51 to 75 of 83 Network Security Engineer Jobs in the UK

Kerv Connect Cloud is seeking a Network & Security Support Engineer to join the Network Support Team. This night-shift role focuses on delivering out-of-hours planned work and handling P1/P2 incidents for customer environments across the UK. You will work with ...

leading IT company is seeking an experienced Network Engineer to support and enhance complex, high-availability network environments. The candidate should have 6–10 years of hands-on experience in enterprise network security, strong skills in Cisco and Check Point technologies, and the ability ...

World Class Defence Organisation is seeking a Network Engineer subcontractor for an initial 12-month contract, based at Stevenage. DV security clearance is required. The role is hybrid, onsite 4 days per week with 1 day remote from home, 8 hours per day between … 00. The position covers management of network infrastructure, security and services UK-wide with some international scope, and involves collaboration with partners, suppliers and the Security team to ensure reliable, secure #J-18808-Ljbffr ...

leading systems integrator in the UK is seeking a Network Security Engineer to design and support secure networks for defence programs. You'll work closely with project teams to ensure solutions meet performance and security requirements, focusing on software-defined networking and network automation. Strong ...

Responsibilities Designing, implementing, and overseeing network infrastructures Configuring, supervising, and enhancing firewalls, VPNs, IDS/IPS, and other security measures Investigating and mitigating network and security incidents Maintaining the reliability, efficiency, and protection of the network Offering expertise and assistance to internal teams … Recording and maintaining documentation of network infrastructure Partnering with external service providers Evaluating and deploying emerging technologies Qualifications A degree in computer science, information security, or an equivalent Extensive experience in network and IT security Proficiency with firewalls, VPN technologies, and intrusion detection/prevention Strong ...

Senior Network Security EngineerScotland/HybridSchedule: Rotating shift (includes nights/weekends)Salary up to 80,000You will own incidents end-to-end across Incident, Major Incident, Change, Problem, and Service Request workflows (ITIL-aligned), leading real-time response to live DDoS attacks and complex network events ...

Datasource Recruitment is seeking a DV-cleared Network Engineer to join a team responsible for critical national infrastructure in London. The role focuses on enterprise routing, LAN switching, and network security across on-site environments. You will design, build, test, and maintain network infrastructure, implement … technologies, and collaborate with senior stakeholders to align with customer strategy while sustaining high security and resilience. #J-18808-Ljbffr ...

Rentokil Initial seeks a Network Engineer (EMEA & APAC) to maintain, optimize, and secure enterprise network infrastructure across regional data centers and branch offices within an ITIL-driven framework. You will resolve NetOps incidents and deliver SD-WAN and Cloud Security rollouts while guiding field engineers during … deployments. The role emphasizes remote leadership, network security, and proactive maintenance, with a strong focus on performance and compliance. #J-18808-Ljbffr ...

Hamilton Barnes Associates Limited is seeking a Senior Network Engineer to take technical ownership of design, implementation, and mentoring within a small engineering team. This home-based role includes occasional visits to our East London data centre and covers routing, switching, network security, wireless, cloud networking … Linux technologies. You will design, deliver, and support a hybrid network spanning on‐premises, data centre, and cloud environments, act as senior SME, mentor junior #J-18808-Ljbffr ...

Gujral is seeking a Senior Network Engineer with a strong security background focused on Cisco implementations in the City of London. The role combines BAU support with design of scalable, secure networking solutions across data centre and branch environments. The candidate will diagnose issues, remediate BAU events ...

Capula Investment Management LLP in London is seeking a hands-on Infrastructure & Security Engineer to own security architecture, server and network domains, and to strengthen the firm’s security posture against evolving threats including AI-driven risks. The role blends proactive security ownership with … infrastructure delivery on-site five days a week. You will lead security operations, monitor events, drive hardening across Windows, Linux, and network devices, implement secure designs from day #J-18808-Ljbffr ...

Onyx-Conseil is seeking a Senior Network Engineer in London to support BAU operations and deliver secure networking solutions. You will design and implement firewall policies, manage IPS deployments, and uphold global standards across data-centre and branch networks. The role requires strong Cisco expertise, experience with ...

National Physical Laboratory seeks a Senior Network Engineer to lead on‐prem network design, deployment, and security within a hybrid infrastructure. You will manage Alcatel‐Lucent switches, Fortinet firewalls, and associated services, while coordinating with cybersecurity for secure, reliable connectivity across the UK site footprint. … work with virtualization, storage, and backup systems (e.g., VMware, Hitachi Storage Array, Rubrik, Nimble) and contribute to documentation and network #J-18808-Ljbffr ...

Viasat is seeking a Senior Network Engineer to ensure reliable, secure, and scalable enterprise network operations across on‐premises and cloud environments. You will contribute to network architecture, deployment, and operational readiness, partnering with infrastructure, security, and application teams. The role requires deep networking expertise ...

Arcadis is seeking a Local Networking Engineer in London to plan, design and optimize the network and security infrastructure across the organization. The role emphasizes delivering digital-first networking and secure connectivity to support a sustainable, resilient operation. The candidate should bring extensive hands-on experience … capable of leading initiatives, and collaborate with global teams while driving high-impact improvements in telecom, routing, switching and security #J-18808-Ljbffr ...

hackajob is partnering directly with JPMorganChase to hire for this role. JOB DESCRIPTION Lead Software Engineer - Proxy/SSE Network Security As a Lead Software Engineer at JPMorganChase within the Corporate Sector - Enterprise Technology, youare an integral part of an agile team that works to enhance ...

Onyx-Conseil is recruiting an IT Senior Network Systems Engineer for a City of London bank. The role requires a strong background in large-scale networking, security tooling, and IT infrastructure management to ensure reliable daily operations. You will design and deploy IT projects, provide end-user … computing support, and coordinate access with IT Security, while upholding disaster recovery standards and AML compliance reporting. #J-18808-Ljbffr ...

large and complex, we want a life-long partnership, a company our clients and people can rely on. The Role: As Senior Network SecurityEngineer, you will be responsible for the end-to-end design and implementation of security solutions within clients. This will involve working extensively with … requires absolute delivery working under various conditions, often unsupervised on site with the client. Working as part of a virtual project team the project engineer would be responsible for the delivery and technical assurance of the entire implementation life cycle to deliver the agreed solution seamlessly. This may include ...

Advanced Resource Managers Limited in Stevenage is seeking a Network Engineer on a 12-month contract. You will work with a market-leading Defence and Aerospace company, delivering network services in a high-security environment and ensuring service levels meet required criteria. The role requires CCNA …/CCNP certification, crypto experience, and willingness to obtain high-level MOD security clearance. Based in Stevenage, the role is an on-site position with Inside IR35 remuneration of £68.75 per #J-18808-Ljbffr ...

Rentokil Initial is seeking a Network Engineer (EMEA & APAC) to maintain and secure enterprise network infrastructure across regional data centers and branch offices. The role balances NetOps incident resolution with network engineering project delivery, including SD-WAN migrations and Cloud Security rollouts within an ITIL … framework. The position involves incident resolution, remote branch provisioning, and technical leadership across time zones, with a strong focus on security, compliance, and #J-18808-Ljbffr ...

Lorien in Stevenage is seeking a DV-cleared Network Engineer to join a highly secure enterprise environment. The role covers critical network services across UK sites, with four days onsite and one day remote, on an initial 12-month contract. You will work with Cisco technologies … cryptographic networking, applying security best practices and contributing to robust, scalable network architectures while ensuring high availability. #J-18808-Ljbffr ...

technologies, and tools that empower you to own your career. Join MUFG, where being inspired is expected and making a meaningful impact is rewarded. Network Systems Support Engineer is responsible for supporting the MUFG EMEA data network and all other aspects of networking including firewall and Network infrastructure. KEY RESPONSIBILITIESIncident ManagementTake ownership of network related incidents and troubleshoot from first alert to resolution, to have good customer facing skills when liaising with users, to co-operate with other team members and other internal teams, to liaise and take charge of vendors for incident resolution. AdministrationMaintaining ...

Gujral is seeking a Senior Network Specialist with a strong security focus on Cisco to join its London-based operations. The role emphasizes BAU support, secure design, and scalable solutions for a global environment. The candidate will lead firewall design, IPS deployment, and the migration to a refreshed … security framework while maintaining high-availability networking across data centres and branch interconnectivity. #J-18808-Ljbffr ...

Aspire Technology Solutions is seeking a highly experienced 3rd Line Network Support Engineer to own complex network faults and escalation across Fortinet, Extreme and Cisco environments. You will diagnose, fix and document root causes while mentoring junior engineers and coordinating with customers and internal teams. You will … design and deliver secure network changes, manage incidents under pressure, and continually improve architectures and automation to ensure top‐quality service delivery. #J-18808-Ljbffr ...

Launch Your Cyber Security Career – Job Guaranteed! Cyber attacks are rising, and companies need skilled professionals now more than ever. With Newto Training’s Cyber Security Career Programme, you’ll gain 4 top certifications (Azure Fundamentals, CompTIA Security+, CompTIA CySA+, Forescout FSCA) plus real-world project work that ...