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Premium Job
Permanent

Job Vacancy
IT Infrastructure Operations and Security Lead

Nexus Jobs Limited
Published on
Infrastructure
Network and Information System Security (NIS)

£90k-95k
City of London, England, United Kingdom

IT Infrastructure Operations 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 organization'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. 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 optimizing 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: The following is a summary of the key skills that the Client would like you to bring to the company. Global Enterprise level Infrastructure Management position for the last 5 years, Buy before Build mentality and demonstrable migration of Legacy VM based estates to SaaS and Azure Cloud services platforms, Global Operational team management experience (human resources, strategic delivery, operational service, audit lead for Infra, budget, etc.) Key 3rd party operational infrastructure vendor management - ie management of managed service partners as a team extension globally, as well as service/solution delivery partners, Migration of Legacy VM based estates to SaaS and Cloud services platforms, Legacy Infra tech to Azure knowledge/experience, Prior to the last 5 years in Enterprise Management of a global estate/user-base, a demonstrable 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 - £95K plus Benefits. Do send your CV to us in Word format along with your salary and notice period.

Permanent

Job Vacancy
IT Infrastructure Operations and Security Lead

Nexus Jobs Limited
Published on

£85k-100k
London, United Kingdom

IT Infrastructure Operation s 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. 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: The following is a summary of the key skills that the Client would like you to bring to the company. Global Enterprise level Infrastructure Management position for the last 5 years, Buy before Build mentality and demonstrable migration of Legacy VM based estates to SaaS and Azure Cloud services platforms, Global Operational team management experience (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 as a team extension globally, as well as service/solution delivery partners, Migration of Legacy VM based estates to SaaS and Cloud services platforms, Legacy Infra tech to Azure knowledge/experience, Prior to the last 5 years in Enterprise Management of a global estate/user-base, a demonstrable 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 - £95K plus Benefits. Do send your CV to us in Word format along with your salary and notice period.

Premium Job
Fixed term

Job Vacancy
IT Infrastructure Support Engineer

Nexus Jobs Limited
Published on
WSUS (Windows Server Update Services)

1 year
£32k-35k
United Kingdom

IT Infrastructure Support Engineer Our Client a bank based in Central London is looking to recruit a bright talented individual as an IT Infrastructure Support Analyst with circa 2 to 5 years IT Support experience. You will have at least 2 to 5 years hands-on experience within IT Infrastructure ideally from the Banking or Financial arena. Must have in-depth knowledge of troubleshooting experience with Windows, Office365 and ideally Banking applications and conferencing applications. The Client is rolling out MS Windows 11 and would therefore like to recruit an individual with these skills. You will be responsible for the support and maintenance of the IT infrastructure for the Branch and to provide IT support to staff. 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. Business Performance Duties · Familiarity with core banking systems or financial applications · Provide first/second level support for hardware, software, and network-related issues. · Install, configure, and maintain desktops, laptops, printers, Phones/Mobiles and other IT equipment. · Laptop imaging experience needed (WIM USB, MDT, SCCM, Intune, AutoPilot) – Image creation, management and deployments. · Assist in user account management in Active Directory, Microsoft 365, Sharepoint, Onedrive, Teams, and banking systems · Networking Fundamentals – DNS, DHCP, TCP/IP, and LAN/WAN. · Understanding of cybersecurity measures. · Perform routine system backups and assist with disaster recovery operations. · Monitor system performance and report anomalies to senior IT staff · Assist with software updates, patches, and antivirus management. · Exposure to following Fortinet solutions – fortigate, forticlient VPN, Symantec Endpoint Protection & Encryption, Bitlocker, SentinelOne, Cisco Switches, Tenable, Group policy, ManageEngine, Nagios, MFA · Document IT procedures and maintain technical documentation relating to role. Technical/Functional skills - Proficient in common operating systems (Linux – Redhat & Ubuntu, Windows OS – Win10 & 11) - Software proficiency – 0365, Sharepoint and Teams – Banking Applications - Networking (IT) - Proficient in programming languages & Automation (good to have) - Project management - Data analysis - Excellent troubleshooting and problem-solving skills. - AV Support - Understanding of cybersecurity fundamentals The Client is based in Central London. This is a 12 month FTC position which is hybrid with at least 3 days a week in the office. The salary for this position will be around £32K - £35K. Do send your CV to us in Word format along with your salary and availability.

3 results

Contracts

Contractor Permanent

Location
1

United Kingdom

Remote type

Hybrid Remote On-site

Rate minimum.

£150 £1300 and more

Salary minimum

£20k £250k

Experience

0-2 years experience 3 to 5 years experience 6 to 10 years experience +10 years experience

Date posted

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