Find your next tech and IT Job or contract Networks in England

Explore the latest IT & tech jobs in England, home to numerous tech hubs and a diverse job market.

Your search returns 45 results.
Permanent

Job Vacancy
Network Support Analyst with Cisco CCNA – City London

Nexus Jobs Limited
Published on

£45k-55k
City of London, England, United Kingdom
Network Support Analyst with Cisco CCNA – City London Our Client is looking to recruit a Network Support Analyst with Cisco CCNA – you must have at least 5 years proven track record. This is a support role (BAU) with involvement in design of scalable solutions deliverable through projects. Encompassing numerous technologies that benefit high-availability solutions. Fast thinker who can diagnose, assist others and remediate BAU support issues. Maintain documentation and networking diagrams for both support and stringent internal audits. This role requires a responsible individual who can support to root cause analysis. Key duties - Work within Infrastructure team in supporting and delivering all aspect of services - BAU encompassing networks, telephony, PABX, voice recording, desk moves and changes - Support annual Disaster Recovery invoking/testing - Contribute to design, build and implementation of firewall solutions from perimeter to DMZ roles - Support IPS deployment for European sites - Develop, maintain and deliver global standards to all networking devices - Interpret network security reports - Assist with seamless migration of network estate to newly adopted security framework - Facilitate internal/external Audits and Penetration Testing. Remediation - Treasury solutions such as IPC turrets General Skills -Experience working within mission-critical environments -Experience in operational deployments -Maintains required industry recognised skills through training and self-study methods Technical Skills -In-depth knowledge of CISCO including firewalls, switches and routing protocols -In-depth knowledge of supporting a datacentre with branch interconnectivity (LES circuits) -CISCO certification, required CCNA -VPN technologies (IPSEC) -Security certification (advantageous) Technologies Layer 2 Switching, Layer 3 Routing, VPN IPSEC & SSL, TACACS, RADIUS, NAT/PAT, VSS. High availability, including failover technologies and first hop redundancy protocols. The Client is based in the City in London close to Liverpool Street. Salary for this position will be in the range £45K - £55K plus banking benefits. Please send your salary to us in Word format along with your salary and availability.
Permanent

Job Vacancy
Senior Network Engineer (DV Security Clearance)

CGI
Published on

Chippenham, England, United Kingdom
As a Senior Network Engineer at CGI, you will play a pivotal role in safeguarding and advancing the networks that power our clients’ most critical missions. You will help shape resilient, secure, and scalable infrastructure while contributing to innovative integration and design projects that drive industry transformation. This role offers the chance to take meaningful ownership of complex challenges, collaborate with expert teams, and apply your creativity to deliver future-ready network solutions. Supported by CGI’s strong engineering community, you’ll make a lasting impact across high-value programmes while continuously growing your skills in a dynamic and trusted environment. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance.
Permanent

Job Vacancy
Senior Network Engineer with Security and Cisco – City London

Nexus Jobs Limited
Published on

£60k-70k
London, England, United Kingdom
Senior Network Engineer with Security and Cisco – City London Our Client urgently requires a Senior Network Engineer with heavy background in Network Security on Cisco and Microsoft. The security and support of the company’s network is paramount. Predominately a support role (BAU) with design of scalable solutions deliverable through projects. Encompassing numerous technologies that benefit high-availability solutions. This role requires a responsible individual who can design and deliver secure networking solutions. Fast thinker who can diagnose, assist others and remediate BAU support issues. Main Aspects of the role: -Work within Infrastructure team in supporting and delivering all aspect of BAU and support services -Design, build and implement firewall solutions from perimeter to DMZ roles -Support IPS deployment for European branches -Develop, maintain and deliver global standards to all networking devices -Remediate Penetration Test results -Ensure seamless migration of network estate to newly adopted security framework General Skills -Experience working within mission-critical environments -Experience in operational deployments -Datacentre cabling and racking of equipment Technical Skills you need to bring to the table: -In-depth knowledge of CISCO including firewalls, switches and routing protocols -In-depth knowledge of supporting a data-centre and branch inter-connectivity -Strong technical skills are essential -Experience of CISCO multi-layer switches and routers, including 6500s -CISCO certification, ideally CCNP -CISCO CSM -VLAN segregation -McAfee HIPS, Trend Micro -Centralised authentication service (AAA) -SafeNet Ethernet Encryptor -RADIUS / RSA -Security certification (advantageous) You will also need to an understanding of the following technologies: VLAN segregation. DMZ. VSS. Failover. OSPF. High availability. CISCO. Palo Alto. Juniper. McAfee IPS. SafeNet. Tripwire. You will ideally be coming with experience from a City based investment bank. Salary for this role is between £60K and £70K plus banking benefits. Please send your CV to us in Word format.
Contractor

Contractor job
Infrastructure Network Support Analyst

Nexus Jobs Limited
Published on

£300-400
Milton Keynes, England, United Kingdom
Infrastructure Network Support Analyst We are looking for an experienced Network and Infrastructure Support Analyst with at least 5 to 7 years solid hands-on expertise. Must be able to technically as well as manage all the day to day tasks as part of the hands-on aspects of this role. The following are some of the skills required: Strong infrastructure generalist good applications experience on windows platforms Strong AD Windows Server – 2003 upwards Experienced and very strong trouble-shooter InTune a benefit. experience with Application deployment via GPO’s a benefit experience with image deployment methods Milton Keynes base and must be within easy commute. Some UK travel required and international travel possible in future The Client is looking for someone who comes up with the solutions and is pro-active not just the waiting around for orders and direction. The position is based in Milton Keynes – with travel. Please send your CV to us in Word format along with your daily rate and availability.
Contractor

Contractor job
Network Engineer – Milton Keynes and Remote

Nexus Jobs Limited
Published on

£300-400
Milton Keynes, England, United Kingdom
Network Engineer – Milton Keynes and Remote Our Client is seeking to recruit a Network Engineer with at least 7 to 10 years proven hands-on expertise. Plan and implement network transformation across 43 UK sites to support a rollout of 1 to1 Devices to students. Support the design and implement of layer 3 network enhancement, additional WiFi Access Points, and the deployment of new firewalls. Peer review the proposed design and configuration and provide documentation in line with departmental standards. Manage the Network Changes into support. Assess existing network IP address schema and DHCP scope Plan an expansion to accommodate additional network devices Test solution, connectivity, and routing Deploy new IP address schema across all sites Document & Transition to Support Assess location and AP density to guarantee performance with increase in concurrent connections Plan and position additional APs to maintain network performance Deploy APs and test performance Document & Transition to Support Firewalls Assess existing firewall configuration including rules, routers and VPNs Build new ruleset template for deployment across estate Test firewall configuration Deploy hardware appliances and configuration Document & Transition to Support Policies & Procedures To comply with safeguarding policies, procedures and code of conduct To demonstrate a personal commitment to safeguarding and student/colleague wellbeing To ensure that any safeguarding concerns or incidents are reported appropriately in line with policy To engage in safeguarding training when required Multi-site projects Meraki APs HP/Aruba Switches Smoothwall Firewalls Must have proven expertise in Network Design, Network Routing, Switching, Wireless and DHCP/DNS and Network Security Excellent interpersonal skills. Must have a degree in Computer Science or equivalent coupled with a CCNA or equivalent. Any experience and understanding of the Education sector would be very beneficial for this assignment. Must have WAN, LAN, VLAN Design & Implementation along with Firewall Setup, configuration & Management. You will have ITIL certification along with experience of ITIL practices. The rate for this assignment is circa £300 - £400 per day. This is a 6 month assignment initially. The Client has offices in Milton Keynes – you will need to attend meetings from time to time in Milton Keynes – but the role can be worked remotely. Please send your CV to us in Word format along with your daily rate and availability.
Contractor

Contractor job
Network Infrastructure Support Engineer with Azzure

Nexus Jobs Limited
Published on

£300-400
Milton Keynes, England, United Kingdom
Network Infrastructure Support Engineer The role of the IT Infrastructure Engineer is to manage day to day activities to develop, deliver and support the infrastructure and upgrades needed to deliver this programme. You will be part of the 10 people UK ICT team but be assigned to the programme on a full-time basis. Provide technical and project management support Define, manage, track and proactively deliver technical solutions to achieve project goals Implement technical changes and solutions into the Companys environments Ensure all solutions are in line with Company policies and standards Act as interface between the project and BAU support team Fully document all solutions and activities You will be report to the Head of Global Infrastructure and the European IT Director Excellent communication skills, including including written and verbal You will have an understanding of ITIL, Prince 2 practices. Must have a MCP certification along with at least 5 years experience of desktop and application rollouts Ability to think creatively and problem solve and ability to work under pressure Must be able to document solutions and support users through system changes Should have effective time management and organisational skills Ability to learn knowledge of new systems quickly and apply them in the work environment Previous experience of supporting a school environment – desirable Should have the following technical skills: Microsoft Active Directory, Office 365 administration Windows 10 operating system Azure Portal Microsoft Intune uniFLOW management software Meraki Access Points Knowledge of SIMS.net – desirable Knowledge of education applications – desirable The position will be based in Milton Keynes with travel to various locations in the UK. The rate is negotiable. This is a 6 month contract assignment based in Milton Keynes. Please send your CV along with a daily rate and availability.
Permanent

Job Vacancy
Network Support Analyst - Cisco CCNA – European Bank - City London

Nexus Jobs Limited
Published on

£45k-60k
City of London, England, United Kingdom
Network Support Analyst - Cisco CCNA – European Bank - City London Our Client is looking to recruit a Network Support Analyst with Cisco CCNA – you must have at least 4 to 7 years proven track record. This is a support role supporting Business As Usual (BAU) with involvement in design of scalable solutions deliverable through projects. Encompassing numerous technologies that benefit high-availability solutions. Fast thinker who can diagnose, assist others and remediate BAU support issues. Maintain documentation and networking diagrams for both support and stringent internal audits. This role requires a responsible individual who can support to root cause analysis. Key duties - Work within Infrastructure team in supporting and delivering all aspect of services - BAU encompassing networks, telephony, PABX, voice recording, desk moves and changes - Support annual Disaster Recovery invoking/testing - Contribute to design, build and implementation of firewall solutions from perimeter to DMZ roles - Develop, maintain and deliver global standards to all networking devices - Interpret network security reports - Assist with seamless migration of network estate to newly adopted security framework - Facilitate internal/external Audits and Penetration Testing. Remediation Technical Skills -In-depth knowledge of CISCO including firewalls, switches and routing protocols -In-depth knowledge of supporting a datacentre with branch interconnectivity (LES circuits) -CISCO certification, required CCNA -VPN technologies (IPSEC) -Security certification (advantageous) Technologies Layer 2 Switching, Layer 3 Routing, VPN IPSEC & SSL, TACACS, RADIUS, NAT/PAT, VSS. High availability, including failover technologies and first hop redundancy protocols. Simply this is a 1, 2 and 3 Line Network Support position – ensuring that the applications and services that the Client has are supported and operational. The Client is based in the City in London close to Liverpool Street. Salary for this position will be in the range £45K - £60K plus banking benefits. Please send your salary to us in Word format along with your salary and availability.
Premium Job
Permanent

Job Vacancy
IT Infrastructure & Systems Manager

Nexus Jobs Limited
Published on
Active Directory
Cisco
Microsoft Office

£60k-65k
SW1V 1SW, London, England, United Kingdom
IT Infrastructure & Systems Manager We are seeking an experienced and highly motivated Senior IT Infrastructure Manager with at least 7 to 10 years experience to oversee, manage, and continuously improve the organization's IT infrastructure, enterprise systems, network environment, and end-user computing services. The successful candidate will ensure the availability, security, performance, and resilience of critical business systems while leading technical teams and supporting key stakeholders across the organization. This role requires a strong blend of technical expertise, leadership capability, operational excellence, and stakeholder management skills, within a complex enterprise environment that includes financial, trading, and treasury systems. Please note that this is a completely hands-on role and you must be able to be a Network Engineer, Network Security and Systems Manager all rolled in to on efunction. Role Description The IT Infrastructure & Systems Manager is a full-time role based in London with a hybrid working arrangement, combining on-site presence with some work from home. This role is responsible for managing and maintaining the organization's core IT infrastructure, including servers, networks, storage, and cloud services. Day-to-day tasks include overseeing system administration, monitoring performance and availability, implementing security best practices, and coordinating backup and disaster recovery processes. The role involves leading and supporting IT operations, resolving complex technical issues, and ensuring that systems, applications, and services remain stable and secure. The IT Infrastructure & Systems Manager will collaborate with internal stakeholders, manage vendors and service providers, contribute to IT strategy and roadmaps, and document procedures, standards, and configuration changes. Qualifications · Strong foundation in Information Technology and IT Operations, including infrastructure design, capacity planning, and service management. · Hands-on experience with System Administration and Troubleshooting across Windows and/or Linux environments, virtualization, and cloud platforms. · Proficiency in Network Security, including firewalls, VPNs, endpoint protection, access control, and security monitoring. · Proven ability to manage IT projects, prioritize tasks, and deliver improvements on time and within scope. · Excellent communication and stakeholder management skills, with the ability to explain technical concepts to non-technical audiences. · Experience leading or mentoring IT team members or support staff is highly desirable. · Relevant certifications (eg, ITIL, Microsoft, Cisco, CompTIA, or cloud certifications) are an advantage. · Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent practical experience. Infrastructure & Systems Management Administer, maintain, and optimize Windows and Linux server environments. Manage VMware virtualized infrastructure (vSphere 8 and above). Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). Support endpoint DLP, SIEM, and security monitoring tools (eg, Splunk, Tenable). Manage patching processes using ManageEngine Patch Manager Plus. Support Microsoft 365 services and related cloud technologies. In depth understanding of Cyber ​​security Monitor system performance, capacity, availability, and infrastructure health. Ensure compliance with IT governance, security policies, and operational standards. End-User Computing Support Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. Manage OS deployment, imaging, image creation, maintenance, and software packaging. Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. Resolve technical incidents and service requests in line with agreed SLAs. Enterprise Applications & Financial Systems Support Support and administer business-critical applications, including: Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP Support enterprise file synchronization and replication solutions (eg, Syncovery, other SFTP). Networking Configure and support Cisco switches and routers. Administer FortiGate firewall environments. Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management Support vulnerability management using tools such as Tenable. Manage security monitoring and log analysis tools (eg, Splunk). Perform SSL/TLS certificate lifecycle management using OpenSSL. Create and manage CSRs, certificate chains, and private keys. Ensure adherence to cybersecurity policies, standards, and regulatory requirements. Support physical access control systems (eg, Paxton) Governance, Documentation & Process Improvement Develop, maintain, and enforce IT policies, standards, and operational procedures. Produce system architecture diagrams, technical documentation, SOP's, and performance reports. Identify and drive opportunities for automation and service improvement. Support technology planning, infrastructure modernization, and transformation initiatives. Operating Systems Windows 11 Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 ManageEngine Patch Manager Plus SaaS solutions SQL Server Security Symantec Endpoint Protection (SEP) Symantec Endpoint Encryption (SEE) SentinelOne – EDR/XDR Endpoint DLP solutions Firewall administration Vulnerability management tools (eg, Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers FortiGate Firewalls LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers Dell PowerVault SAN Storage Technical Competencies Data analysis and operational reporting Desktop and laptop support Infrastructure monitoring and performance management Certificate lifecycle management (SSL/TLS) Windows imaging and deployment, GPO, NTFS PowerShell scripting SQL Server administration Understanding of software development lifecycle (SDLC) and deployment processes Architecture review and systems optimization Asset management 7+ years of experience in enterprise IT infrastructure and systems administration. Experience within financial services, banking, trading, or treasury environments. Proven experience managing mission-critical infrastructure and applications. Experience operating within regulated and security-focused environments. Able to provide support to VIP stakeholders This is a hybrid role with 3 days at the office in Central London. Salary for this role will be in the range £60K - £65K. Do send your CV to us in Word format along with your salary and availability.
Fixed term

Job Vacancy
Senior IT Infrastructure Officer

Nexus Jobs Limited
Published on
Network and Information System Security (NIS)
Office 365
Veeam Backup & Replication

30 days
£70k-75k
SW1V 1SW, London, England, United Kingdom
Senior IT Infrastructure Officer Our Client a bank, in Central London are looking for an experienced IT Infrastructure professional who is ideally looking for their next challenge in a dynamic and regulated financial services environment. We are seeking a highly skilled Senior IT Infrastructure Officer to lead the management, security, and continuous improvement of our enterprise IT infrastructure. The Senior IT Infrastructure Officer will be playing a key role in ensuring the availability, resilience, and performance of critical systems while supporting technologies across servers, networks, cloud services, cybersecurity, and business-critical financial applications. The candidate must have strong technical expertise in Windows/Linux, VMware, Microsoft 365, networking, cybersecurity, and infrastructure management who also enjoys solving complex challenges and driving operational excellence. Must have 7 years' experience in enterprise infrastructure, ideally within banking or financial services, and be passionate about delivering secure, reliable IT services.. The role will be Monday to Friday, 9:30am to 5:30pm and reporting into the Head of IT & Data. Due to the nature of the role, the individual is expected to work in our offices, 5 days per week, during their probationary period Infrastructure & Systems Management · Administer, maintain, and optimize Windows and Linux server environments. · Manage VMware virtualized infrastructure (vSphere 8 and above). · Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. · Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. · Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). · Support endpoint DLP, SIEM, and security monitoring tools (eg, Splunk, Tenable). · Manage patching processes using ManageEngine Patch Manager Plus. · Support Microsoft 365 services and related cloud technologies. · In depth understanding of Cyber ​​security · Monitor system performance, capacity, availability, and infrastructure health. · Ensure compliance with IT governance, security policies, and operational standards. End-User Computing & Branch Support · Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. · Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. · Manage OS deployment, imaging, image creation, maintenance, and software packaging. · Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. · Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. · Resolve technical incidents and service requests in line with agreed SLAs. 3. Enterprise Applications & Financial Systems Support · Support and administer business-critical applications, including: · Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP · Support enterprise file synchronization and replication solutions (eg, Syncovery, other SFTP). 4. Networking • Configure and support Cisco switches and routers. • Administer FortiGate firewall environments. • Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management · Support vulnerability management using tools such as Tenable. · Manage security monitoring and log analysis tools (eg, Splunk). · Perform SSL/TLS certificate lifecycle management using OpenSSL. · Create and manage CSRs, certificate chains, and private keys. · Ensure adherence to cybersecurity policies, standards, and regulatory requirements. · Support physical access control systems (eg, Paxton) Operating Systems · Windows 11 · Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization · VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 · ManageEngine Patch Manager Plus SaaS solutions SQL Server Security · Symantec Endpoint Protection (SEP) · Symantec Endpoint Encryption (SEE) SentinelOne – EDR/XDR Endpoint DLP solutions Firewall administration · Vulnerability management tools (eg, Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers · FortiGate Firewalls · LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers · Dell PowerVault SAN Storage Education Bachelor or Master's degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The role is based in Central London and initially will be 5 days per week in the office. This is a 12 month FTC position. The salary for the role will be around £70K - £75K. Do send your CV to us in Word format along with your salary and availability.
Contractor

Contractor job
3rd Line Network Engineer / Team Leader - DV Cleared

LA International Computer Consultants Ltd
Published on

6 months
£575
RG29 1BY, Hart, England, United Kingdom
3rd Line Engineer / Team Leader Must have an Active DV Clearance Role Overview This position requires a technically capable individual with strong troubleshooting capability, team leadership skills and experience supporting enterprise infrastructure technologies within secure environments. Flexibility to support shift work may be required. Legacy infrastructure training will be provided. Key Responsibilities Provide 3rd line support across secure technical environments. Support a high profile user community through the incident logging application. Handle and resolve technical escalations from support teams. Provide leadership and support to other engineers within the team. Coach and mentor team members on technical issues and operational processes. Support implementation activities and operational changes where required. Technical Skills and Experience VMware and virtual infrastructure technologies. Microsoft technologies including Windows Server 2019/2022. Experience with MCM, SCOM and Exchange. Strong knowledge of Active Directory, DNS, GPO and User Account Management. Experience supporting DFS and Windows log analysis. Exposure to network technologies such as Juniper and monitoring tools. Knowledge of legacy technologies including Windows 7/10 and Server 2008/2012. Additional Skills Strong problem solving and analytical capability. Customer focused communication and service skills. Ability to work independently under pressure. Flexible and adaptable approach to work. Strong team leadership and interpersonal skills. To apply, please send your CV by pressing the apply button Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 18 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance. An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience. Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.
Premium Job
Permanent
Fixed term

Job Vacancy
Senior IT Infrastructure & Systems Lead

Nexus Jobs Limited
Published on
Active Directory Domain Services (AD DS)
Cisco
Group Policy Object (GPO)

12 months
£70k-75k
SW1V 1SW, London, England, United Kingdom
Senior IT Infrastructure & Systems Lead Our Client a bank, in Central London are looking for an experienced IT Infrastructure professional who is ideally looking for their next challenge in a dynamic and regulated financial services environment. We are seeking a highly skilled Senior IT Infrastructure Officer to lead the management, security, and continuous improvement of our enterprise IT infrastructure. The Senior IT Infrastructure Officer will be playing a key role in ensuring the availability, resilience, and performance of critical systems while supporting technologies across servers, networks, cloud services, cybersecurity, and business-critical financial applications. The candidate must have strong technical expertise in Windows/Linux, VMware, Microsoft 365, networking, cybersecurity, and infrastructure management who also enjoys solving complex challenges and driving operational excellence. Must have 7 years' experience in enterprise infrastructure, ideally within banking or financial services, and be passionate about delivering secure, reliable IT services.. The role will be Monday to Friday, 9:30am to 5:30pm and reporting into the Head of IT & Data. Due to the nature of the role, the individual is expected to work in our offices, 5 days per week, during their probationary period Infrastructure & Systems Management · Administer, maintain, and optimize Windows and Linux server environments. · Manage VMware virtualized infrastructure (vSphere 8 and above). · Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. · Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. · Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). · Support endpoint DLP, SIEM, and security monitoring tools (eg, Splunk, Tenable). · Manage patching processes using ManageEngine Patch Manager Plus. · Support Microsoft 365 services and related cloud technologies. · In depth understanding of Cyber ​​security · Monitor system performance, capacity, availability, and infrastructure health. · Ensure compliance with IT governance, security policies, and operational standards. End-User Computing & Branch Support · Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. · Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. · Manage OS deployment, imaging, image creation, maintenance, and software packaging. · Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. · Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. · Resolve technical incidents and service requests in line with agreed SLAs. 3. Enterprise Applications & Financial Systems Support · Support and administer business-critical applications, including: · Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP · Support enterprise file synchronization and replication solutions (eg, Syncovery, other SFTP). 4. Networking • Configure and support Cisco switches and routers. • Administer FortiGate firewall environments. • Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management · Support vulnerability management using tools such as Tenable. · Manage security monitoring and log analysis tools (eg, Splunk). · Perform SSL/TLS certificate lifecycle management using OpenSSL. · Create and manage CSRs, certificate chains, and private keys. · Ensure adherence to cybersecurity policies, standards, and regulatory requirements. · Support physical access control systems (eg, Paxton) Operating Systems · Windows 11 · Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization · VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 · ManageEngine Patch Manager Plus SaaS solutions SQL Server Security · Symantec Endpoint Protection (SEP) · Symantec Endpoint Encryption (SEE) SentinelOne – EDR/XDR Endpoint DLP solutions Firewall administration · Vulnerability management tools (eg, Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers · FortiGate Firewalls · LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers · Dell PowerVault SAN Storage Education Bachelor or Master's degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) The role is based in Central London and initially will be 5 days per week in the office. This is a 12 month FTC position. The salary for the role will be around £70K - £75K. Do send your CV to us in Word format along with your salary and availability.
Premium Job
Permanent

Job Vacancy
IT Infrastructure & Systems Manager

Nexus Jobs Limited
Published on
Microsoft Windows
Security Information Event Management (SIEM)
SWIFT

£60k-65k
SW1V 1SW, London, England, United Kingdom
IT Infrastructure & Systems Manager We are seeking an experienced and highly motivated Senior IT Infrastructure Manager with at least 7 to 10 years experience to oversee, manage, and continuously improve the organization's IT infrastructure, enterprise systems, network environment, and end-user computing services. The successful candidate will ensure the availability, security, performance, and resilience of critical business systems while leading technical teams and supporting key stakeholders across the organization. This role requires a strong blend of technical expertise, leadership capability, operational excellence, and stakeholder management skills, within a complex enterprise environment that includes financial, trading, and treasury systems. Role Description The IT Infrastructure & Systems Manager is a full-time role based in London with a hybrid working arrangement, combining on-site presence with some work from home. This role is responsible for managing and maintaining the organization's core IT infrastructure, including servers, networks, storage, and cloud services. Day-to-day tasks include overseeing system administration, monitoring performance and availability, implementing security best practices, and coordinating backup and disaster recovery processes. The role involves leading and supporting IT operations, resolving complex technical issues, and ensuring that systems, applications, and services remain stable and secure. The IT Infrastructure & Systems Manager will collaborate with internal stakeholders, manage vendors and service providers, contribute to IT strategy and roadmaps, and document procedures, standards, and configuration changes. Qualifications · Strong foundation in Information Technology and IT Operations, including infrastructure design, capacity planning, and service management. · Hands-on experience with System Administration and Troubleshooting across Windows and/or Linux environments, virtualization, and cloud platforms. · Proficiency in Network Security, including firewalls, VPNs, endpoint protection, access control, and security monitoring. · Proven ability to manage IT projects, prioritize tasks, and deliver improvements on time and within scope. · Excellent communication and stakeholder management skills, with the ability to explain technical concepts to non-technical audiences. · Experience leading or mentoring IT team members or support staff is highly desirable. · Relevant certifications (eg, ITIL, Microsoft, Cisco, CompTIA, or cloud certifications) are an advantage. · Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent practical experience. Infrastructure & Systems Management Administer, maintain, and optimize Windows and Linux server environments. Manage VMware virtualized infrastructure (vSphere 8 and above). Oversee enterprise backup and disaster recovery solutions using Veeam Backup & Replication. Manage Veeam ONE monitoring and Veeam Recovery Orchestrator (VRO) environments. Administer endpoint security and encryption solutions, including Symantec Endpoint Protection (SEP) and Symantec Endpoint Encryption (SEE). Support endpoint DLP, SIEM, and security monitoring tools (eg, Splunk, Tenable). Manage patching processes using ManageEngine Patch Manager Plus. Support Microsoft 365 services and related cloud technologies. In depth understanding of Cyber ​​security Monitor system performance, capacity, availability, and infrastructure health. Ensure compliance with IT governance, security policies, and operational standards. End-User Computing Support Provide advanced desktop, laptop, printer, Mobile device (iOS) and branch office IT support. Deliver AV support for meeting rooms, conferencing, presentations, and collaboration systems. Manage OS deployment, imaging, image creation, maintenance, and software packaging. Administer Active Directory (AD), Group Policy Objects (GPOs) and user provisioning and NTFS permissions. Support Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint. Resolve technical incidents and service requests in line with agreed SLAs. Enterprise Applications & Financial Systems Support Support and administer business-critical applications, including: Bloomberg FXT and Refinitiv Eikon, Murex Treasury System, SWIFT Alliance Access (SAA), 1AML, SIBS, GFMS, COP Support enterprise file synchronization and replication solutions (eg, Syncovery, other SFTP). Networking Configure and support Cisco switches and routers. Administer FortiGate firewall environments. Strong network fundamentals: DNS, DHCP, TCP/IP, LAN/WAN, Routing and connectivity troubleshooting. Monitor network performance, availability, and security posture. Security & Endpoint Management Support vulnerability management using tools such as Tenable. Manage security monitoring and log analysis tools (eg, Splunk). Perform SSL/TLS certificate lifecycle management using OpenSSL. Create and manage CSRs, certificate chains, and private keys. Ensure adherence to cybersecurity policies, standards, and regulatory requirements. Support physical access control systems (eg, Paxton) Governance, Documentation & Process Improvement Develop, maintain, and enforce IT policies, standards, and operational procedures. Produce system architecture diagrams, technical documentation, SOP's, and performance reports. Identify and drive opportunities for automation and service improvement. Support technology planning, infrastructure modernization, and transformation initiatives. Operating Systems Windows 11 Windows Server 2019/2022 (or equivalent enterprise environments) Red Hat Linux Infrastructure & Virtualization VMware vSphere / vCenter (v8.0.3 and above) Veeam Backup & Replication Veeam ONE, VRO Microsoft Office 365 ManageEngine Patch Manager Plus SaaS solutions SQL Server Security Symantec Endpoint Protection (SEP) Symantec Endpoint Encryption (SEE) SentinelOne – EDR/XDR Endpoint DLP solutions Firewall administration Vulnerability management tools (eg, Tenable) SIEM tools (e.g., Splunk) Networking Cisco Switches and Routers FortiGate Firewalls LAN/WAN networking and routing Hardware & Storage Dell PowerEdge Servers Dell PowerVault SAN Storage Technical Competencies Data analysis and operational reporting Desktop and laptop support Infrastructure monitoring and performance management Certificate lifecycle management (SSL/TLS) Windows imaging and deployment, GPO, NTFS PowerShell scripting SQL Server administration Understanding of software development lifecycle (SDLC) and deployment processes Architecture review and systems optimization Asset management 7+ years of experience in enterprise IT infrastructure and systems administration. Experience within financial services, banking, trading, or treasury environments. Proven experience managing mission-critical infrastructure and applications. Experience operating within regulated and security-focused environments. Able to provide support to VIP stakeholders This is a hybrid role with 3 days at the office in Central London. Salary for this role will be in the range £60K - £65K. Do send your CV to us in Word format along with your salary and availability.
Permanent

Job Vacancy
IT Systems Architect

Rise Technical Recruitment Ltd
Published on

£60k-65k
North Lincolnshire, United Kingdom
IT Systems Architect 2 Year FTC Scunthorpe, North Lincolnshire Hybrid Working - 3 days in, 2 from home Up to £65,000 + excellent benefits including pension + 27 days holiday + bank holidays + life assurance + health cash plan + ongoing training and development Are you an experienced infrastructure professional ready to step into a strategic architecture role where you can shape end-to-end IT and OT solutions across a complex and evolving technical environment? This is a hands-off Solution Architect position focused on defining and aligning technology solutions across infrastructure, networks, security, enterprise systems, and operational technology. You will work closely with internal teams and third-party suppliers to produce clear, structured designs ready for delivery. You will play a key role in translating business requirements into high-quality technical solutions, ensuring consistency, scalability, and long-term supportability. The position offers exposure to both legacy manufacturing systems and modern cloud-based platforms within a hybrid environment. The ideal candidate will bring a strong background in infrastructure engineering, alongside solid networking and cybersecurity knowledge. You will be confident engaging stakeholders, challenging ideas constructively, and driving consensus across multiple teams. The Role: *Lead end-to-end solution design across infrastructure, networks, security, and OT *Produce high- and low-level designs, diagrams, and documentation *Align technical stakeholders to a single agreed solution approach *Identify and manage risks, dependencies, and constraints *Provide architectural oversight during project delivery The Person: *Strong infrastructure engineering background (servers, storage, virtualisation) *Experience designing solutions across multiple technical domains *Good understanding of networking and cybersecurity principles *Experience in hybrid environments including cloud and legacy systems *Strong communication and stakeholder engagement skills Reference Number: BBBH276125 Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client. We are an equal opportunities company and welcome applications from all suitable candidates.
Permanent

Job Vacancy
IT Support Analyst Engineer

Nexus Jobs Limited
Published on

£40k-45k
London, England, United Kingdom
IT Support Analyst Engineer Our Client is looking to recruit an IT Support Analyst Engineer with at least 3 to 5 years experience in IT Network and Support ideally from a banking environment. Responsible for the support and maintenance of the IT infrastructure, and to provide IT support to staff and other group colleagues. To assist in the response to service outages and other IT related problems as well as maintenance and upkeep of for security of the systems in place To provide IT Support and assistance to branch staff concerning IT related matters in a timely fashion. • Responsible for the maintenance of the IT infrastructure of the Branch by providing first line support of software, hardware and networking that incudes installation, configuration and troubleshooting. Support endpoint security standards (antivirus/firewall/patching/two-factor authentication). • Manage day to day operational aspects of a project and scope. • To assist the IT Manager in delivering various IT projects. • End User Computing support for all staff. • Coordinator between the London Users and Group IT Security on all requests for systems access and to ensure that such permissions are provided promptly, are regularly updated and that the Group Access Matrix Protocol is followed at all times. • Preserve the Assets of the Branch by implementing Disaster Recovery and back up procedures and ensuring that the standards comply with Group requirements. • Provide IT support to ensure the smooth running of daily and periodic reports for the London Compliance team to ensure adherence to the Anti Money Laundering Provisions . • Undertake Data Extraction for reporting requirements for all the other stakeholders at the branch. • To hold Administrator function for some of the systems housed at the Branch”. Responsible for the granting of access and maintenance of system matrix Overall networking equipment monitoring (i.e. Network Switches, Firewall and other appliances) and support inclusive of the server room. • To plan and carry out maintenance checks to ensure IT Operations, infrastructures are running smoothly and ensure daily routine task completeness. • Manage inventory of computers, network equipment including tracking of purchased equipment and services. • To maintain and ensure that the BCP site is always ready for continuous bank operations • To maintain the branch PABX system and to ensure that the recording system is always up and running at all times. • To perform monthly infrastructure test and report for Risk Assessment. • Manage Incident Handling procedure (This includes monitoring as well as post –incident follow up • Support the Branch operations as and when needed and any other tasks assigned by the General Manager of the Branch. • To comply with all applicable FCA/PRA conduct rules. • Compliance with all mandatory training as set by the Branch/Group. Bachelor or Master’s degree or professional qualification in relevant discipline (IT/Information Systems/Computer Science/Technology/Programming/Information Science/System Engineering/Computing) At least 3 years of experience in IT ideally in the Banking/Financial industry in-depth knowledge of and troubleshooting experience with Windows, Office applications and conferencing applications. Technical/Functional skills - Proficient in common operating systems - Software proficiency - Networking (IT) - Proficient in programming languages - Project management - Data analysis Personal skills (Soft Competencies [Core/Leadership]) - Strong interpersonal skills - Strong written and verbal communication skills (in English) Strong stakeholder engagement The position is based in Central London. The salary will be in the range £40K - £45K. Please do send your CV to us in Word format along with your salary and notice period for this exciting position.
Permanent

Job Vacancy
Information Security Manager

Nexus Jobs Limited
Published on

£60k-75k
London, England, United Kingdom
Information Security Manager Role Description This is a full-time role as an Information Security Manager for Bank in Central London. The Information Security Manager will be responsible for day-to-day tasks related to information security management, including implementing and maintaining Information Security Management Systems (ISMS), ensuring cybersecurity and network security, and protecting sensitive information. This is a hybrid role, based in London with the flexibility for some remote work. Qualifications Information Security Management, ISMS, and Cybersecurity skills Network Security and Information Security knowledge Experience in implementing and maintaining ISMS Proficient in identifying and addressing information security vulnerabilities Strong analytical and problem-solving skills Excellent communication and interpersonal skills Certifications such as CISSP, CISM, or equivalent are preferred Bachelor's degree in Information Security, Computer Science, or related field Information Security Manager role (permanent) reporting into Head of IT (CIO | CISO) Need an individual with a strong hands on network and security background Cisco networking Cisco firewalls (Firepower / Threat Detection) Palo Alto firewalls SIEM experience (Logarithm desirable) Web proxy (Forcepoint desirable) Governance skills Policy writing / reviewing Reporting KPI monitoring Certifications like CCNP / CISM would be desirable but strong experience is preferable. The Client is based in Central London and the position is hybrid - 3 days in the office every week. Salary circa £60K - £75K + Benefits. Please do send your CV to us in Word format along with your salary and notice period.
Permanent

Job Vacancy
IT Operations Platforms and Security Lead

Nexus Jobs Limited
Published on

£85k-100k
London, England, United Kingdom
IT Operation s Platforms and Security Lead This role requires excellent management of a small team in IT along with managing stakeholders and vendors. You must be hands-on technically in IT Infrastructure. The IT Operational Platform and Security Lead is responsible for overseeing the organisation’s IT operations, ensuring the stability, continuity, security, and efficiency of its technology platforms within a global commercial insurance environment. While Microsoft technologies (Microsoft 365, Azure, Exchange Online) form a core part of the infrastructure, the role also encompasses broader enterprise IT systems, multi layered networking, security, data management, and third-party platforms that support global business operations and the associated applications estate. The role requires a proactive leader who can drive IT operational excellence, manage security risks, focus on continual service improvement, drive transformational delivery projects, and work effectively with internal stakeholders and third-party vendors to deliver a high-quality Global IT services. Working in line with the Architecture defined IT principle of a "buy before build" environment, the individual will need to ensure that outsourced and cloud-based services are robust, cost-effective, and aligned with business needs and the Strategic IT vision. They will also play a key role in enhancing cybersecurity, protecting data and systems, driving transformative operational change, enhancing IT processes and ensuring compliance with governance bodies and industry regulations. Due to the nature of the role, complexity Security, Compliance & Risk Management Define and enforce cloud security policies, identity management, and access controls to protect systems, networks, and data. Oversee the adoption of zero-trust security principles to enhance protection across cloud platforms. Manage identity and access management (IAM) in a cloud-first environment, including Azure AD, MFA, Conditional Access, SSO, and Privileged Access Management (PAM). Lead threat monitoring, detection, and response using cloud-native security solutions such as Microsoft Defender, Sentinel, and SIEM platforms. Ensure compliance with cloud security frameworks and regulatory requirements (ISO 27001, NIST, GDPR, SOC2, FCA). Conduct regular security risk assessments, penetration tests, and vulnerability management across cloud services. Oversee endpoint security, cloud network and API security for robust protection across all assets Define, manage and maintain accurate DR and BCP plans for the infrastructure area with biannual tests. Technical Experience Microsoft Azure Infrastructure design and administration, including topology, Azure networking, services, and component knowledge, Microsoft AD (Entra), Server and SQL experience, O365 administration and design Global Software Patching and estate management via Intune Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience Software Defined Networking (Cisco, Meraki, Versa) Key Skills Microsoft 365 & Azure: Strong experience managing Microsoft 365 (Exchange, SharePoint, Teams), Azure cloud infrastructure, and security tools such as Microsoft Defender and Sentinel. Security & Compliance: Deep knowledge of security frameworks (ISO 27001, NIST, CIS), compliance requirements (GDPR, SOC2), and risk management best practices. Identity & Access Management (IAM): Expertise in Azure AD, MFA, Conditional Access, Single Sign-On (SSO), and Privileged Access Management (PAM). Threat Management & Incident Response: Ability to detect, respond to, and mitigate cyber threats using SIEM, endpoint security, and vulnerability management tools. Networking & Infrastructure Security: Understanding of firewalls, VPNs, SD-WAN, DNS security, endpoint protection, and cloud security controls. IT Service Management & Automation: Experience implementing ITIL-based service management, automating operational tasks, and optimising service delivery. Operational & Leadership Skills: IT Operations & Service Continuity: Ability to ensure IT systems are highly available, resilient, and fit for purpose, with a strong focus on business continuity and disaster recovery. Supplier & Vendor Management: Experience managing third-party IT vendors, MSPs, and SaaS providers, ensuring service levels, performance, and cost-effectiveness. Project Leadership & Change Management: Ability to lead technology projects, system upgrades, and platform migrations, ensuring smooth execution and minimal business disruption. Process Improvement & Automation: Strong analytical mindset to identify inefficiencies, automate workflows, and enhance security controls. Soft Skills & Mindset: Problem-Solving & Decision-Making: Capable of making informed decisions and resolving complex IT issues in a fast-paced environment. Stakeholder Engagement: Ability to communicate effectively with technical and non-technical stakeholders, including senior leadership and business users. Resilience & Adaptability: Comfortable working in an evolving technology landscape, with a proactive and security-first approach. Summary of Skills Required: Global Enterprise level Infrastructure Management position for the last 5 years, Global team management (human resources, strategic delivery, operational service, audit lead for Infra, budget..) Key - 3 party operational infrastructure vendor management - i.e management of managed service partners, Migration of Legacy VM based estates to SaaS and Cloud services platforms, Legacy tech to Azure knowledge/experience, Prior to the last 5 years, a technical infrastructure engineering level background, working on Windows Server, AD , SQL environments, Firewalls/SDWAN, and Networks (WAN &/or LAN). The Client is based in the City of London. This is a hybrid position with 3 days in the office. The salary for this role will be in the range £85K - £100K plus Benefits. Do send your CV to us in Word format along with your salary and notice period.
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