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

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 ...

Group is seeking a Network Security Professional in Sheffield to provide expert technical support on complex network and cyber security deployments for UK contracts. You will build strong relationships, communicate effectively, and drive meeting expectations and deadlines. You will act as a cyber and networking security ...

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 ...

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 ...

Hexegic, located in Malvern, is seeking a Software Developer to create systems and security software for a new Linux-based network security appliance. You will work within a small, product-focused team, gaining significant autonomy in a security-conscious environment. The ideal candidate will possess proficiency ...

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 ...

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 ...

Experis - ManpowerGroup is seeking an experienced Senior Network Engineer to join an essential infrastructure programme in Barrow-in-Furness. The role focuses on maintaining and enhancing enterprise network services across LAN, WAN, wireless, and security technologies. Responsibilities include incident resolution, change management, and delivering documentation ...

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 ...

Rentokil Initial plc in the UK seeks a Network Engineer (EMEA & APAC) to maintain and secure enterprise network infrastructure across regional data centers and branch offices, blending NetOps incident resolution with network engineering projects such as SD-WAN migrations and SASE rollouts. The role requires delivering … remote deployments, guiding field engineers, and applying designs from Global Network Architecture teams, with ITIL governance and hands-on Cisco/Aruba/VMware NSX experience. #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 ...

Test Triangle is seeking an experienced network engineer in Sheffield to design, deploy and manage advanced Cisco networks, SD-WAN and SDA fabrics for OT/IT environments. You will implement policy templates, VPN segmentation and WAN edge configurations, ensuring secure, reliable operations across SCADA/ICS interfaces. ...

Rentokil Initial in the United Kingdom seeks a Network Engineer to maintain and optimize enterprise networks across regional data centers and branch offices. You will balance NetOps incident resolution with project delivery, including SD-WAN migrations and cloud security rollouts. The role requires ITIL experience and industry ...