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Permanent

Job Vacancy
Network Engineer (DV Security Clearance)

CGI
Published on

London, United Kingdom

Secure Innovation is part of CGI’s Space, Defence and Intelligence business unit, focused primarily on the delivery of contemporary and innovative technical solutions for the our client's most challenging problems. Our teams work alongside our clients to help them understand how to exploit technologies to maintain a competitive advantage. We are looking for a hands on Senior Network Engineer to help our team design and deploy a next generation hybrid and multi cloud Wide Area Network, with a blend of physical and virtual appliances, alongside first party Public Cloud services. The enabling technology is predominantly Cisco SD WAN with automation enabled through the Day 0 deployment and the Cisco SD WAN Manager's API service We are heavily committed to developing our members and will provide excellent learning and development opportunities to ensure that your knowledge and skills keep pace with the evolving technology landscape. We engender a culture of innovation, collaboration and ownership; highly motivated self-starters thrive within our organisation. Although we would like candidates to have all of the mandatory requirements, we would consider high quality individuals who meet most of the criteria. Our roles are only available if you hold a UK Security Clearance and are a sole UK National due to the secure nature of the project. You will either hold a higher level clearance or be willing to obtain it. Any individual without security clearance is welcome to apply and will always be considered for this or wider opportunities in CGI, where appropriate.

Contractor

Contractor job
Network Security Specialist – Belgique

EterniTech
Published on
Cisco

1 year
400-450 €
Luxembourg, Belgium

Mission Renforcer l’équipe sécurité réseau du client. Vous serez responsable de la configuration, du maintien et de la sécurisation de l’infrastructure réseau. Votre rôle consistera à configurer, maintenir et sécuriser les équipements réseau tout en veillant à la conformité avec les politiques de sécurité en place. Compétences requises Maîtrise des produits Fortinet : FortiGate, FortiAnalyzer, FortiManager, FortiAuthenticator Expérience sur le matériel Cisco (switches et routeurs) Solides connaissances en sécurité réseau, firewalling et troubleshooting Bonne communication et rigueur dans la documentation

Permanent

Job Vacancy
Technical Project Manager – Bank – City of London

Nexus Jobs Limited
Published on

£60k-70k
City of London, England, United Kingdom

Technical Project Manager – Bank – City of London As the Technical Project Manager, you play an integral role in a high performing team to deliver technical projects on time, to budget and that achieve both the project objectives and increase internal customer satisfaction. This is a hybrid role where you apply your technical expertise in either software development or IT infrastructure projects. At times, you might need to chip in on business requirement scoping and technical delivery to get the project across the line. You leverage your project management expertise and adept communication skills to lead the end-to-end project lifecycle and by doing so, you directly shape the success of IT projects, and therefore our business. Key Responsibilities: Maintaining high performance levels for service-related processes, and implementing improvement activities wherever necessary Taking ownership of critical risks and issues, coordinating resolution with all appropriate constituents, and establishing effective communication between stakeholders Developing a deep understanding of projects to gain insights into the scope of service delivery Manage metrics reporting and analysis of business demand against capacity constraints Manage the development and delivery of IT products utilizing Scrum and Kanban methodologies Focus on the constant improvement of quality, speed and ensuring the team learns and gets better each sprint. Collaborate with Architecture, Engineering, and security teams to comply with established policies and procedures and verifies that deliverables meet requirements Provide communication and escalation to IT and business area management on critical issues Foster and maintain good working relationships with business area representatives to remain in sync on direction and future delivery requests Key Requirements: Comfortable capturing and challenging briefs to ensure we are delivering the most worthwhile solutions Experience of leading, energising and mentoring project members Experience in IT project delivery including managing all project phases from analysis, design, build, testing, implementation and hand over to BAU teams. Ability to work to tight deadlines and work calmly under pressure A high level of organisation and demonstrated skills to manage a team’s capacity Comfortable multitasking and prioritising several tasks at once Hard-working with an outgoing and positive nature Excellent communication skills, both written and verbal Technical skillsets within IT Infrastructure and Development will be mandatory Technologies: Microsoft based environment including – MS SQL, Exchange, Active Directory, IIS, Symantec, Citrix Network – Cisco, Palo Alto, ForcePoint, Symantec Email Security Programming Language – T-SQL, VB.net, C#, PowerShell, ASP The Client is a bank based in the City of London. The salary for this position will be circa £60K - £70K. This is a 12 month FTC position. Do send your CV to us in Word format along with your salary and availability.

Contractor

Contractor job
Network Engineer

LA International Computer Consultants Ltd
Published on

6 months
Newbarns, England, United Kingdom

***SC CLEARED*** Network Engineer 6 Month contract initially Location: Barrow-in-Furness. Rate: £Market rates p/d (via Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. We have a great opportunity for a Network Engineer to join the team. The role requires the candidate to be a part of our Network Performance Monitoring team, delivering and maintaining monitoring toolsets to the client. Embedded within the client's Network Analysis team, the candidate will monitor the client networks for performance issues utilising our toolsets to assist in investigations and conduct deep-dive analysis. Therefore, there will be periods where these monitoring devices will require repair, replacement and new builds and deployment out in the field. Key Responsibilities: * Perform Level 2/3 Network incident diagnostics/resolution. * Network change & request implementation * Continue to strengthen and bolster your existing capabilities through a mix of professional training, certifications, and experiences. Key Skills & Experience: * Network performance monitoring - using application-level traffic monitoring and also low level packet capture to diagnose network issues * Gather requirements, documentation of designs, installations and build documents * Software installation and server builds * Physical server installation (Data Centres) * Generate scripts for automating functions and interfacing systems such as Rest API etc * Review and test new software versions in a lab/dev environment * Gain knowledge of networking concepts (Firewalls, VPN, load-balancing etc) * Gain knowledge in network packet sniffing and SNMP monitoring tools * Build dashboards for SOC/NOC end users using the current toolsets * Prepare and deliver demonstrations of toolsets to clients * Utilise end user experience monitoring tools * An awareness of virtualisation and containerisation technologies, such as VMWare, Docker and their function Working knowledge of Windows and Linux based operating systems * Server and PC hardware fundamentals * Basic networking / TCP/IP * Appreciation of enterprise class networking e.g. Juniper, Cisco * Virtualization (VMWare) and containerisation * Knowledge of scripting languages such as Perl, Python, PowerShell and BASH scripting This is an excellent opportunity on a great project of work, If you are looking for your next exciting opportunity, apply now for your CV to reach me directly, we will respond as soon as possible. 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 up to a minimum 10 weeks. LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.

Permanent

Job Vacancy
IT Technical Network Systems Engineer

Nexus Jobs Limited
Published on

US$55k-65k
Los Angeles, California, United States of America

IT Technical Network Systems Engineer Our Client is an international company with offices in several countries around the World. They are looking to recruit a talented IT professional with 5 to 7 years solid hands-on expertise as a Technical Network Systems Engineer. The primary role of the IT Technical Systems Engineer is to ensure a smooth , end user support for all users in our Los Angeles office, with specific focus on our user base In the United States. This role requires good customer and client facing skills, with primary efforts on ensuring communication, managing IT software or hardware changes, printers (local and MFD), documentation, and system administration are seamlessly supported and deployed, whether locally or remotely, via phone and/or email. Ability to communicate effectively in English is essential for this role. This role is key towards promoting and representing IT practices, and requires an in-depth knowledge of Apple MAC (IOS), and its supporting desktop applications. Equally essential is a solid understanding and technical awareness of user collaboration tools for conference support, desktop and mobile telephony, asset management tools, File sharing protocols, user permission and folder administration. The following is a list of some of the day-to-day activities for this role: Daily interaction with users at all levels. Support employees and their (Mac) OS X clients, incl. web-based systems, Microsoft, Adobe CS Suite (Photoshop, InDesign), Apple iWork, CAD (SketchUp, Vectorworks, AutoCAD), and Google Suite Applications. Responsible for maintenance and upkeep of our backup Infrastructure, including daily backups for applications, laptops, servers and other designated backup hardware. Responsible for new starter training and inductions (when required), Maintain IT all aspects of IT security systems, including fire alarm. Maintenance and upkeep of Cisco Meraki systems. Collaborate with IT colleagues to manage global application deployments, or updates to desktop or user applications, either via automation or manually. Manage daily user related issues and/or risks and escalate as appropriate. Ensure adequate stock levels of critical components are checked weekly, and stock related documents updated, and ordered. Provide timely report to IT management and key stakeholders on progress of dedicated tasks, or on-going activities, by updating weekly focus report. The Client would like you to bring the following skillsets to the company: Apple MAC Certification an advantage. Microsoft Office 2008+ support essential. MAC OSX Server Administration essential. Adobe application support (Photoshop, Indesign etc), an advantage Exposure to JAMF Mobile Device Management (MDM) an advantage. Google suite support essential (Gmail, G-Storage, G-Docs) Microsoft O365 support an advantage (Exchange, OWA) Exposure to backup applications an advantage. Prior experience in supporting 100+ employees an advantage. Good documentation and analytical skills, with a passion for user satisfaction. Mobile Device support (Iphones, Ipads and Macbook’s) essential Good interpersonal skills, with an ability to develop, and enhance relationships with clients and peers. Open Directory / Active Directory exposure essential There may be occasional travel to other sites in Europe may be required occasionally. The Client is based in Central Los Angeles. The salary for this position is up to $65K per year plus benefits. Please send you CV to us in Word format along with your salary and availability.

Fixed term

Job Vacancy
Network Engineer

LA International Computer Consultants Ltd
Published on

180 months
Newbarns, England, United Kingdom

**FULLTIME ONSITE IN BARROW-IN-FURNESS** Role Description: * Inputting into High Level Designs * Creating Low Level designs from approved High-Level Designs * Configuring core infrastructure components e.g. Data Centre Fabric, Access/Distribution Switches, routers, WAN, firewalls, load balancers, Authentication servers, Wi-Fi controllers, management tooling. * Performing impact assessments on large or complex networks. * Performing testing to pre-determined plans and analyse results. * Planning survey's / surveying for cross/site distribution areas (Fibre) - checking for cabling power/space (photo's to be taken) * Installing new SDA switches in readiness for OOH work for installation/take on and testing of kit, providing ELS and decom/removal of old switches Installation/take on and testing of new SDA kit Key Skills o Network Architecture / Architecture (Compute/storage/End User) o Working in secure environments o Network Design (HLD/LLD) o Cisco Networking (Routing/Switching) o Data Centre Networking o Cisco ACI o Firewalls (Palo Alto / Cisco) o Authentication (802.1x / Cisco ISE / AD familiarity) o Network management o Load balancing (NetScaler) o Cisco SDA (Software Defined Access) o Meraki o Wi-Fi o Remote access o Encryption LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.

Permanent

Job Vacancy
Senior Networks Infrastructure Engineer - NCA - SEO

Government Digital & Data
Published on
microsoft

£55k-62k
England, United Kingdom

The purpose of the Senior Networks Infrastructure Engineer role is to ensure critical Intelligence Collection capabilities are delivered and maintained effectively to ensure they meet the NCAs evolving operational demands. Working in a small team of highly enthusiastic IT professional staff, transferring skills within the team will ensure we are better placed to look after the TI Intelligence networks to provide full critical support, upgrades, development and maintenance. The role is responsible for: Delivering 1st, 2nd and mainly 3rd line support of technical systems to a professional standard, adapting to and meeting user requirements; Having an in-depth knowledge of the network protocols; Installing of new network hardware, configuration which will also include the patching of all network elements; Working knowledge of the Fortigate, CISCO and Dell hardware primarily; Maintaining and upgrading systems in line with technical requirements for ICI. Security is extremely important for all of the services SOS maintain, therefore systems must be maintained to ensure these systems are accreditable. This includes updating system high and low level designs and associated documentation. Due to the nature of this role, travel between sites is regularly required. As such, a Full, clean, UK Driving Licence is essential. Please note, TI (Domestic) team members will be subject to an on call rota. This role aligns to within the Government Digital and Data career framework. Duties and responsibilities: Business as usual support - Help deliver 3rd line support of the supported SOS systems to a professional standard, meeting user requirements, reacting to system problems to ensure continued availability of SOS systems within defined service levels. Support 1st and 2nd line functions if required to ensure the ICI business can function as efficiently as possible. Specification of hardware - Matching business requirements to hardware specifications that meet and often exceed those requirements Installation of hardware - Racking and cabling of hardware to an industry best practice level, including asset management registering of support, licensing Identification of obsolescence - Notification of obsolescence issues early in the hardware lifecycle to ensure funding and approvals are in place as early as possible, avoiding unnecessary system outages due to obsolescence Creation and maintenance of system documentation - Create technical designs and ensure High and Low Level Designs (HLD/LLD) are maintained to an accurate level Continual Improvement - Researching advances in technology to better meet business requirements with innovative solutions to meet business or technical problems Patching and upgrades of Network equipment - Using standard IT tooling to deploy and test software patches Configuration of Network equipment - Have the knowledge of configuring the different types of network equipment Supporting the wider SOS team - Providing support to the wider team, assisting where needed and mentoring to share knowledge and upskill less experienced staff, provide briefing sessions and training material to aid in that process Assist in project work - Be the lead for new projects in developing new technologies to best meet the requirements Interception principles - Have an understanding of Interception of Telecommunications would be useful, even at a basic level Infrastructure Problem Solving - Have a basic understanding of Infrastructure to be able to problem solve network and/or server issues Knowledge and the working of Fortigate, CISCO and Dell firewalls - Have an in-depth understanding of the Firewall models - configuration, patching, support, fault finding and upgrading Virtual Open Evening Event To find out more about the role and the application process we will be holding a virtual opening evening via MS Teams on Wednesday, 22nd October 2025 at 6:00 p.m. This event is by invitation only. To register, please click on the following link Please note, you will be asked for your name and email address. The registration will close on Sunday, 19 October 2025 at 11:00 p.m. You will not be able to register after this date and time.

Permanent

Job Vacancy
Senior IT Engineer with OKTA

Nexus Jobs Limited
Published on

£45k-60k
London, United Kingdom

Senior IT Engineer with OKTA Our Client seeks a Senior IT Engineer to support the employee population, analyze current systems and assets, recommend and implement solutions and upgrades, and provide IT related training. The ideal candidate will have extensive knowledge of network maintenance and experience managing staff. Knowledge of the Art industry is a plus. From day one, the Senior IT Engineer will have an immediate impact on the day-to-day efficiency of the IT operations, and an ongoing impact on it’s overall growth. Purpose of the Role: – Lead large IT projects, including the design and deployment of new IT systems and services – Maintain essential IT operations, including operating systems, security tools, applications, servers, email systems, laptops, desktops, software, and hardware – Own projects, solutions, and key responsibilities within a larger business initiative – Handle business-critical IT tasks and systems administration – Research and evaluate emerging technologies, hardware, and software – Track and maintain hardware and software inventory Responsibilities: – Monitor performance of information technology systems to determine cost and productivity levels, and to make recommendations for improving the IT infrastructure – Help define IT infrastructure strategy, architecture, and processes – Analyze business requirements by partnering with key stakeholders across the organization to develop solutions for IT needs – Assess vendors and develop test strategies for new hardware and software – Troubleshoot hardware and software issues related to internal IT – Supervise daily operations of network and server infrastructure – Align IT infrastructure with current and future business requirements and goals – Evaluate risk, develop network recovery and backup processes – Assess and purchase new and replacement hardware – Test, troubleshoot and adjust information systems to operate effectively – Implement security of the network, data and its storage and communication systems – Ensure network components meet business needs and work together seamlessly, using the full range of capabilities, and stay informed about new features and competitive solutions – Train employees on both software and hardware, troubleshoot, and provide technical support when needed – Develop and execute disaster procedures, and maintain data backups – Manage information technology and computer systems – Identify problematic areas and implement strategic solutions in time – Preserve assets, information security and control structures – Proven working experience as an IT Manager or relevant experience – Excellent knowledge of technical management, information analysis and of computer hardware/software systems – Expertise in data center management and data governance – Hands-on experience with computer networks, network administration and network installation Qualifications and requirements: – Bachelor’s degree in Information Technology, Computer Science, Information Systems, or a related field, or equivalent experience – 5–7 years experience in IT management – Experience leading and managing large IT projects and rolling out IT infrastructures across various technologies – Excellent working knowledge of computer systems, security, network and systems administration, databases and data storage systems, and phone systems – Strong critical thinking and decision-making skills – Excellent project management skills and strong ability to prioritize – Firm grasp on IT infrastructure and operations best practices – Experience across different software solutions, including: desktop operating systems (MS Windows, MacOS), server operating systems (MS Windows, Linux), cloud-based technologies (Google Workspaces, AWS, SD-WAN), SaaS solutions (Okta SSO, Dynamics365, Microsoft365), mobile (iOS, Android), backup and recovery procedures, and system performance monitoring – Experience across different hardware solutions, including: Cisco Switches/Routers, Meraki/Palo Alto Firewalls, Meraki Wireless Access Points; Cisco Unified Communications. – Expertise with implementing, configuring, and testing solutions – Proven leadership skills – Strong creative and analytical thinking – Professional certifications preferred (i.e. A+, Network+, CCNA, MCP) The position is based in Central London. The salary is competitive and will be circa £45K - £60K. Please send your CV to us in Word format along with your salary and availability.

Permanent

Job Vacancy
IT Operations Platforms and Security Lead

Nexus Jobs Limited
Published on

£85k-100k
London, 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.

Contractor

Contractor job
Network Solutions Architect

LA International Computer Consultants Ltd
Published on

7 months
£500-550
Coventry, United Kingdom

This role will lead the Generally Senior Solution Architect with Network specialization and great stakeholder management capability (very proactive). Ability to engage with the architectural governance process (HLDs) to gain appropriate approvals, overseeing projects through delivery. Overview of skills at a high level: Cisco ACI Data Centre Design Knowledge F5 LTM and WAF Design Knowledge F5 Distributed cloud Knowledge Cisco ISE Palo Alto Firewalls Palo Alto SASE - Prisma Access LAN, WAN, WLAN design. More general skills/experience: 1.Core Responsibilities * Design and document enterprise network architectures (LAN, WAN, WLAN, cloud networking). * Ensure scalability, reliability, performance, and security of network infrastructure. * Develop and maintain network roadmaps and standards aligned with business and IT strategy. * Lead network design for data centres, cloud integrations, and hybrid environments. * Evaluate and recommend new technologies, tools, and vendors. * Provide architectural oversight on implementation projects and troubleshooting escalations. * Collaborate with cybersecurity, infrastructure, and application teams to ensure end-to-end solution integrity. * Prepare network capacity and resilience plans. * Document network topology, standards, and procedures. 2. Technical Requirements Networking Technologies * Expert knowledge of IP networking (IPv4/IPv6, routing, switching, subnetting, VLANs, NAT, QoS). * Deep understanding of protocols such as BGP, OSPF, EIGRP, MPLS, STP, VXLAN, and DNS/DHCP. * Familiarity with SDN and SD-WAN architectures (e.g., Cisco Viptela, Meraki, VMware NSX, Fortinet). * Experience designing VPNs and secure remote access solutions. * Strong understanding of wireless networking design and optimisation. * Proficiency in load balancing, firewalls, and proxy solutions.(e.g., F5, Palo Alto, Forcepoint, Cisco ASA) Security & Compliance * Integration of security principles (Zero Trust, segmentation, NAC). * Familiarity with frameworks such as ISO 27001, NIST, PCI-DSS, and data protection standards (GDPR). Cloud & Virtualisation * Experience with AWS, Azure, or GCP networking services (Transit Gateway, VNet, VPC, ExpressRoute, Direct Connect). * Understanding of hybrid and multi-cloud connectivity and governance. * Exposure to virtual networking and automation tools (Terraform, Ansible, Python, etc.). Monitoring & Management * Knowledge of network management systems (SolarWinds, Cisco DNA Center, etc.). * Performance monitoring, logging, and incident response design. 3. Experience Requirements * Typically 7-10+ years in network engineering, with 3-5 years in architecture or design roles. * Proven experience in large-scale or complex enterprise environments. * Experience producing architectural artefacts (HLDs, LLDs, diagrams, standards). * Track record of leading technical design workshops and influencing senior stakeholders. * Vendor selection and cost optimisation experience. 4. Educational & Certification Requirements * Bachelor's degree (or higher) in Computer Science, Information Technology, or related field. * Relevant professional certifications (preferred or equivalent experience): o Cisco: CCNP / CCIE (Enterprise, Security, or Data Center) o Juniper: JNCIP / JNCIE o AWS Certified Advanced Networking / Azure Network Engineer Associate o TOGAF, ITIL, or equivalent enterprise architecture framework o Security certifications (CISSP, CCSP) beneficial. 5. Soft Skills & Attributes * Strategic and analytical thinking. * Strong communication skills - able to translate technical design for non-technical stakeholders. * Leadership and mentoring capability. * Documentation and presentation excellence. * Ability to balance innovation with operational practicality. * Vendor and stakeholder management. * Continuous learning mindset to keep up with evolving technologies. 6. Deliverables (Typical Outputs) * Network Architecture Blueprint / Roadmap * High-Level & Low-Level Design Documents * Network Standards and Configuration Templates * Capacity and Resilience Plans * Risk Assessments and Security Architecture Inputs * Technical Design Authority (TDA) artefacts and governance reports LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.

Contractor

Contractor job
Administrateur réseau Network H/F

HAYS France
Published on

3 months
500 €
Saint-Paul-lès-Durance, Provence-Alpes-Côte d'Azur

Rattaché à une équipe de 3 personnes, vous intervenez sur les activités de build & run, avec un périmètre technique orienté Cisco et Palo Alto. Le poste nécessite une bonne base technique en réseau et un niveau d'anglais professionnel pour évoluer dans un environnement multiculturel.Principales responsabilités : Administration de réseaux locaux haute disponibilité (switching / routing) Gestion d'équipements de sécurité : UTM gateways, Email Security, ADC Câblage fibre optique et cuivre Déploiement et maintenance de solutions réseau Automatisation / scripting pour l'optimisation des opérations Étude de nouvelles solutions et réalisation de tests Production de documentation technique Support utilisateur niveau 2 / 3 et résolution d'incidents Participation à la gestion de projets techniques

Permanent

Job Vacancy
Senior Network Engineer, Cisco, SD WAN, Firewalls

VIQU IT
Published on

Warwick, England, United Kingdom

Senior Network Engineer, Cisco, SD WAN, Firewalls Must be eligible for SC Clearance £50,000 - £61,000 Hybrid in Warwickshire VIQU are searching for a Senior Network Engineer to lead major network upgrades and support a complex Cisco environment for a large public sector organisation. This is a permanent, hands-on role. Perfect for a true network specialist with deep Cisco and SD WAN expertise. Key responsibilities Design, implement and maintain enterprise network infrastructure Lead LAN, WAN and SD WAN upgrades and migrations across multi site environments Configure and support Cisco core networks including LAN Core and ISE plus switches and firewalls Ensure high availability and security of network systems in line with best practice Act as a senior technical point of contact for critical network issues and projects Key requirements Proven experience as a senior network engineer in large complex environments Expert knowledge of Cisco technologies including LAN Core and ISE Strong hands on experience with WAN SD WAN firewalls and switches Experience delivering network upgrades and migrations end to end Clear track record of stable roles with senior technical accountability Cisco certification such as CCNP preferred

Contractor

Contractor job
Network Security Engineer

LA International Computer Consultants Ltd
Published on

6 months
£370-380
Coventry, United Kingdom

Our client is looking for a Network Security Engineer to start immediately on a 6 month contract. This would be mainly remote with the potential of occasional travel to Warwick, Southern & Western Datacenters. The position is Outside IR35 with a rate of £370-£380 per day and candidates already holding SC Clearance is preferred. Deliverables: Technical Ownership of the Customers Security infrastructure estate, processes procedures, documentation and life cycle management contracted to Vodafone Senior Technical point of reference for all Security related projects, Changes or modifications to firewall rule bases Senior technical point of reference/escalation and interface into vendor support for all Incidence related to the security infrastructure. Design of customer networks including the support of High Level and Low Level designs. Providing technical support, Change management, for hard (physical) and soft (remote) changes. Customer inventory management, Hardware software, EOL. Nice to have: Detailed experience of supporting Checkpoint, Juniper, Bluecoat, F5 and knowledge of Cisco networking solutions including all the major switching families and understanding of Wireless Technologies and Cisco IPT /QoS /802.1x/ Inflobox DNS, VPN Technologies ipsec, SSL VPN, DMVPN and Wide Area network technologies including routing protocols. 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 up to a minimum 10 weeks. LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.

Contractor
Permanent

Job Vacancy
Information Security Architect / Manager

Nexus Jobs Limited
Published on

£500-550
London, United Kingdom

Information Security Architect / Manager Our Client is an International company with offices in Central London. They are looking to bring on-board an Information Security Architect / Manager with at least 5 to 8 years proven expertise within Information Security. The function of the position will be as follows: Assess the current environment against industry standards and trends. Implement robust security and control measures, in line with the global IT team Streamline current processes and execute changes for a secured and optimised technology and data landscape. Subject matter expert in application and network security, with operational experience of managing security operations, SIEM solutions, incident, and response management. Collaborate to develop the Infosec strategy and associated operating model. Conduct an in-depth security risk assessment across the technology stack and provide end-to-end mitigation steps for resilience. Working closely with key stakeholders to ensure compliance with security policies, and promotion of strong information security culture. Provide weekly governance, risk and compliance reports utilising key risk and key performance indicators and metrics. Skills/Competencies Required: Experience developing information security policy, process and procedure design and implementation. Excellent troubleshooting, problem solving, and root-cause analytical (RCA) skills. Good working knowledge of Cisco Meraki and associated technologies. Practical knowledge of Continual Service Improvement (CSI) methodologies. Vulnerability management and assessment. Intrusion detection and prevention analysis / frameworks. Solid exposure to cloud based applications security and provisioning. Experience in writing policy, process, and standard playbooks. Experience in SOC and SIEM platforms Excellent communications skills in framing and messaging issues of highly technical nature, into meaningful and relevant information for a varied audience. Excellent analytical skills, with an ability to manage multiple projects under tight guidelines. Experience with common Information security frameworks such as ISO, ITIL, and COBIT. Information security professional qualifications (CISMP, CISSM, SSCP, CAP..etc) ** Occasional travel to other sites may be required. This is 6 month contract assignment based in Central London. Rate will be circa £500 per day. Please do send your CV to us in Word format along with your daily rate and availability.

Contractor

Contractor job
Ingénieur d'exploitation sécurité (Security Operations Engineer)

KatchMe Consulting
Published on
ASM
Check Point
Cisco

6 months
400-550 €
Massy, Ile-de-France

Le SOE est garant du bon fonctionnement des solutions opérationnelles de sécurité périmétrique de nos clients, il est l’interlocuteur privilégié du client final, sur les questions techniques, dans ce cadre il contribue à la satisfaction globale du compte. Il est responsable du Maintien en Condition Opérationnel et du Maintien en Condition de Sécurité de l’infrastructure client, définie au contrat. Le SOE est responsable du traitement des tickets (incidents, change, problème, release, information), lorsqu’ils sont transmis au niveau 2. Il assure la gestion du niveau 3 en coordination avec les partenaires internes et externes. Il peut être amener à organiser et gérer des réunions de crise, et fournir les rapports et compte rendus nécessaires. Le SOE fournit des conseils techniques, d’organisation auprès de nos clients, sur les solutions sécurité, cyber défense, dans ce cadre il peut être amené à organiser et à mener des comités d’exploitation, des réunions de suivi de projet. Le SOE évolue au sein du Security Operations Center, dans ce cadre, il aura la responsabilité technique de plusieurs comptes, et contribuera à l’évolution de l’équipe. Le SOE accompagne l’équipe commerciale, lors de nouvelles propositions Le SOE participe à l’intégration ou l’évolution de solutions, soit avec les équipes projets, soit de façon autonome Il veille au bon respect des délais et à la qualité des livrables Il assure la qualité du service rendu et le respect du contrat : S'assurer du respect des engagements et procédures définis par le contrat de service, sur son périmètre en coordination avec les autres acteurs du compte Garantir le bon fonctionnement des prestations et des demandes clients selon les conditions des contrats Proposer et organiser les prestations complémentaires Coordonner et participer aux comités périodiques d'exploitation Rédiger les comptes rendus et organiser les actions d'amélioration Sur la base des évolutions du client, il met en œuvre les changements organisationnels nécessaires en particulier sur le niveau 1 : Organise la montée en compétence sur l’environnement client du niveau 1 Initier la mise en place des procédures associées

Contractor

Contractor job
Infra Engineer & Security– Patching

Cherry Pick
Published on
Ansible
Bash
CyberSoc

6 months
550-630 €
Valence, Auvergne-Rhône-Alpes

Infrastructure Engineer – Patching & Security (Ingénieur Infrastructure – Gestion des correctifs et Sécurité) Mission principale Assurer la sécurité, la stabilité et la conformité de l’environnement IT de l’entreprise en pilotant l’ensemble des activités liées au patch management (Windows, Linux, VMware, équipements réseau). Le poste requiert une forte expertise technique, une sensibilité à la sécurité, et une collaboration étroite avec les équipes Infrastructure, Sécurité et Métiers. Responsabilités clés1. Gestion des correctifs (Patch Management) Piloter le cycle complet de mise à jour pour les serveurs Windows, Linux, VMware ESXi et équipements réseau. Planifier, tester et déployer les patchs de sécurité et de performance selon les fenêtres de maintenance et les priorités business. Garantir la conformité aux standards de sécurité internes et aux bonnes pratiques du marché. 2. Remédiation des vulnérabilités Collaborer avec les équipes Sécurité (SOC / Vulnerability Management) pour évaluer les risques et prioriser les actions. Contrôler et reporter la conformité des patchs via les outils disponibles (SCCM, WSUS, Ansible, vSphere Update Manager, etc.). 3. Collaboration et communication Coordonner les interventions avec les équipes métiers afin de minimiser l’impact des maintenances. Participer aux audits et assurer la conformité réglementaire (ISO27001, CIS, NIST). 4. Excellence opérationnelle Documenter précisément les cycles de patch, exceptions, et procédures de rollback. Automatiser les processus de déploiement des patchs pour accroître l’efficacité et réduire les erreurs humaines. Surveiller la santé de l’infrastructure après déploiement et résoudre les incidents éventuels. 5. Amélioration continue Se tenir informé des dernières mises à jour, vulnérabilités et bonnes pratiques en matière de sécurité. Proposer des optimisations et contribuer à la stratégie de sécurité à long terme de l’entreprise. Profil recherchéCompétences techniques Maîtrise de l’administration Windows Server (2016/2019/2022) et Linux (RHEL, CentOS, Ubuntu) . Expérience confirmée du patching et upgrade VMware vSphere/ESXi . Connaissance du firmware patching sur équipements réseau (switches, firewalls, routers). Maîtrise d’un ou plusieurs outils de gestion de patchs : SCCM/MECM, WSUS, Ansible, Ivanti, BigFix, etc. Compétences sécurité & conformité Bonne compréhension des CVE , du vulnerability management et des cadres de conformité (ISO27001, CIS, NIST). Expérience de collaboration avec des équipes SOC / InfoSec . Compétences comportementales Excellentes capacités de communication pour interagir avec des interlocuteurs techniques et métiers. Sens de l’organisation, rigueur, et orientation résultats. Réactivité et sang-froid lors des opérations de maintenance critiques. Esprit analytique et autonomie dans la résolution de problèmes. Formation et certifications Bac +3 à Bac +5 en informatique, systèmes et réseaux, cybersécurité ou équivalent. Certifications souhaitées : Microsoft (MCSA, MCSE) Red Hat Certified Engineer (RHCE) VMware Certified Professional (VCP) Cisco CCNA / CCNP CompTIA Security+ Qualités personnelles Sens aigu du détail et de la sécurité. Esprit d’équipe et adaptabilité dans un environnement international. Disponibilité pour intervenir en heures non ouvrées (soirs, week-ends) lors de maintenances planifiées. Rattachement hiérarchique Responsable Infrastructure / Responsable Sécurité IT (selon organisation).

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