1 to 25 of 33 Network Security Engineer Jobs in the UK excluding London

Network Security Engineer (SOC) Job Description Please note this role will require candidates to gain DV Clearance. An exciting opportunity for a passionate Network Security Engineer to join a unique, multi-national Information Management function. Ideal candidates should be committed to protecting critical systems and ensuring the integrity and security of the network infrastructure. The opportunity: Join a forward thinking team as a Network Security Engineer, where you will play a key role in safeguarding our clients’ organisations’ network infrastructure as part of the 24x7 Internal Security Response (ISR) team. When not involved in incident response and triage activity with the SOC team, you will be responsible … for designing, implementing and maintaining robust security solutions to protect against evolving threats. Collaborating with cross-functional teams, you will work on implementing changes securely, identifying vulnerabilities, managing security incidents and ensuring compliance with industry best practices. The role will be involved in the optimisation of network security tools to remediate “purple team” highlighted areas identified More ❯

Network Security Engineer (SOC) Job Description Please note this role will require candidates to gain DV Clearance. An exciting opportunity for a passionate Network Security Engineer to join a unique, multi-national Information Management function. Ideal candidates should be committed to protecting critical systems and ensuring the integrity and security of the network infrastructure. The opportunity: Join a forward thinking team as a Network Security Engineer, where you will play a key role in safeguarding our clients’ organisations’ network infrastructure as part of the 24x7 Internal Security Response (ISR) team. When not involved in incident response and triage activity with the SOC team, you will be responsible … for designing, implementing and maintaining robust security solutions to protect against evolving threats. Collaborating with cross-functional teams, you will work on implementing changes securely, identifying vulnerabilities, managing security incidents and ensuring compliance with industry best practices. The role will be involved in the optimisation of network security tools to remediate “purple team” highlighted areas identified More ❯

Network Security Engineer (NOC) Salary: Up to 55,000 + shift allowance + bonus Security Clearance: Must hold active DV clearance. Join a forward-thinking team as a Network Security Engineer (NOC), helping to protect and optimise critical network infrastructure. Youll work within a 24x7 ISR and NOC environment, ensuring network reliability while defending against evolving threats. In this hands-on Network Security Engineer role, youll support incident triage with the SOC, design and implement secure network solutions, and collaborate across teams to identify vulnerabilities and improve performance. Youll also help optimise NOC tools and standardise network security platforms for greater resilience. What youll … bring as a Network Security Engineer. Strong understanding of TCP/IP, DNS, routing, switching, VLANs, and load balancing Experience as a NOC or Network Security Engineer in a 24x7 setting Hands-on with Cisco, Checkpoint, and Palo Alto firewalls Familiar with IPS/IDS, SSL decryption, and deep packet inspection Experience managing Bluecoat or More ❯

Network Security Engineer (NOC) Salary: Up to £55,000 + shift allowance + bonus Security Clearance: Must hold active DV clearance. Join a forward-thinking team as a Network Security Engineer (NOC), helping to protect and optimise critical network infrastructure. You’ll work within a 24x7 ISR and NOC environment, ensuring network reliability while defending against evolving threats. In this hands-on Network Security Engineer role, you’ll support incident triage with the SOC, design and implement secure network solutions, and collaborate across teams to identify vulnerabilities and improve performance. You’ll also help optimise NOC tools and standardise network security platforms for greater resilience. … What you’ll bring as a Network Security Engineer. Strong understanding of TCP/IP, DNS, routing, switching, VLANs, and load balancing Experience as a NOC or Network Security Engineer in a 24x7 setting Hands-on with Cisco, Checkpoint, and Palo Alto firewalls Familiar with IPS/IDS, SSL decryption, and deep packet inspection Experience More ❯

Network Security Engineer (NOC) Salary: Up to £55,000 + shift allowance + bonus Security Clearance: Must hold active DV clearance. Join a forward-thinking team as a Network Security Engineer (NOC), helping to protect and optimise critical network infrastructure. You’ll work within a 24x7 ISR and NOC environment, ensuring network reliability while defending against evolving threats. In this hands-on Network Security Engineer role, you’ll support incident triage with the SOC, design and implement secure network solutions, and collaborate across teams to identify vulnerabilities and improve performance. You’ll also help optimise NOC tools and standardise network security platforms for greater resilience. … What you’ll bring as a Network Security Engineer. Strong understanding of TCP/IP, DNS, routing, switching, VLANs, and load balancing Experience as a NOC or Network Security Engineer in a 24x7 setting Hands-on with Cisco, Checkpoint, and Palo Alto firewalls Familiar with IPS/IDS, SSL decryption, and deep packet inspection Experience More ❯

Network Security Engineer (NOC) Salary: Up to £55,000 + shift allowance + bonus Security Clearance: Must hold active DV clearance. Join a forward-thinking team as a Network Security Engineer (NOC), helping to protect and optimise critical network infrastructure. You ll work within a 24x7 ISR and NOC environment, ensuring … network reliability while defending against evolving threats. In this hands-on Network Security Engineer role, you ll support incident triage with the SOC, design and implement secure network solutions, and collaborate across teams to identify vulnerabilities and improve performance. You ll also help optimise NOC tools and standardise network security platforms for greater … resilience. What you ll bring as a Network Security Engineer. Strong understanding of TCP/IP, DNS, routing, switching, VLANs, and load balancing Experience as a NOC or Network Security Engineer in a 24x7 setting Hands-on with Cisco, Checkpoint, and Palo Alto firewalls Familiar with IPS/IDS, SSL decryption, and deep packet inspection More ❯

Job Title: Network Security Engineer Location: Seattle, WA Job Description: We are looking for a skilled Network Security Engineer with expertise in Cisco technologies to join our team in Seattle, WA. As a Network Security Engineer, you will be responsible for designing, implementing, and maintaining secure network infrastructures to protect … our organization's data and systems from cyber threats. Key Responsibilities: - Design, implement, and maintain network security measures to protect organization's data and systems - Monitor network traffic for potential security breaches and respond appropriately to incidents - Conduct regular security audits and vulnerability assessments to identify and address security risks - Collaborate with cross-functional … teams to implement security policies and procedures - Provide technical support and guidance to IT staff on network security best practices - Stay up-to-date on latest security trends and technologies to continuously improve network security measures Qualifications: - Bachelor's degree in Computer Science, Engineering, or related field - 3+ years of experience in network More ❯

Job Title: Network Security Engineer Location: Seattle, WA Job Description: We are looking for a skilled Network Security Engineer with expertise in Cisco technologies to join our team in Seattle, WA. As a Network Security Engineer, you will be responsible for designing, implementing, and maintaining secure network infrastructures to protect … our organization's data and systems from cyber threats. Key Responsibilities: - Design, implement, and maintain network security measures to protect organization's data and systems - Monitor network traffic for potential security breaches and respond appropriately to incidents - Conduct regular security audits and vulnerability assessments to identify and address security risks - Collaborate with cross-functional … teams to implement security policies and procedures - Provide technical support and guidance to IT staff on network security best practices - Stay up-to-date on latest security trends and technologies to continuously improve network security measures Qualifications: - Bachelor's degree in Computer Science, Engineering, or related field - 3+ years of experience in network More ❯

Job Title: Network Security Engineer Location: Seattle, WA Job Description: We are looking for a skilled Network Security Engineer with expertise in Cisco technologies to join our team in Seattle, WA. As a Network Security Engineer, you will be responsible for designing, implementing, and maintaining secure network infrastructures to protect … our organization's data and systems from cyber threats. Key Responsibilities: - Design, implement, and maintain network security measures to protect organization's data and systems - Monitor network traffic for potential security breaches and respond appropriately to incidents - Conduct regular security audits and vulnerability assessments to identify and address security risks - Collaborate with cross-functional … teams to implement security policies and procedures - Provide technical support and guidance to IT staff on network security best practices - Stay up-to-date on latest security trends and technologies to continuously improve network security measures Qualifications: - Bachelor's degree in Computer Science, Engineering, or related field - 3+ years of experience in network More ❯

Job Title: Network Security Engineer (Active SC Clearance Required) Job Type: Contract Location: Fully Remote Day Rate: Up to 500/day (INSIDE IR35) Contract Length: 6 Months (with the view to extend) Network Security Engineer - Role & Responsibilities Design, configure, and implement Palo Alto Networks firewalls, including security policies, NAT, VPNs, and threat … prevention features. Deploy and maintain SD-WAN solutions (e.g., Prisma SD-WAN, Cisco, or Fortinet) to improve network performance, reliability, and cost efficiency. Monitor network traffic and firewall logs to detect and respond to security incidents. Utilise Panorama or API-based automation to centrally manage configurations, updates, and reporting. Maintain detailed documentation for network topology, security configurations, and change logs. Network Security Engineer - Required Experience 5+ years' experience in Network Security projects Active SC Clearance Palo Alto (project work in secure, public sector environments) SD-WAN (Prisma SD-WAN ideally) Excellent communication skills Interviews: October 2025 Start Date: November 2025 How to Apply: Apply to Gary Hargreaves at X4 Technology More ❯

A Senior Network Security Engineer is required to join our Managed Service, responsible for Firewall Solution Design on our client's network infrastructure in the UK. Job Description As a Senior Network Security Engineer within the team you will be responsible for designing and documenting security solutions across multiple networks to ensure … end to end traffic flows as per client requirements. The Senior Network Security Engineer will be heavily focussed on client needs and on delivering tailored solutions across the client's estate. The Engineer should have at least 8 years experience in a Networking role with a strong focus on security. The scope of the primary task … of this role is to work alongside the client's Network Security Architect in developing security solutions. The main duties and responsibilities of the role will include: Troubleshooting Manage and troubleshoot issues that arise on the network and resolve issues reported by other IT groups. The candidate must be dynamic and be able to work under More ❯

A Senior Network Security Engineer is required to join our Managed Service, responsible for Firewall Solution Design on our client's network infrastructure in the UK. Job Description As a Senior Network Security Engineer within the team you will be responsible for designing and documenting security solutions across multiple networks to ensure … end to end traffic flows as per client requirements. The Senior Network Security Engineer will be heavily focussed on client needs and on delivering tailored solutions across the client's estate. The Engineer should have at least 8 years experience in a Networking role with a strong focus on security. The scope of the primary task … of this role is to work alongside the client's Network Security Architect in developing security solutions. The main duties and responsibilities of the role will include: Troubleshooting Manage and troubleshoot issues that arise on the network and resolve issues reported by other IT groups. The candidate must be dynamic and be able to work under More ❯

Network Security Engineer Network Security/Penetration Testing/CREST/CSTL/API Testing/Config Reviews/Infrastructure/Outside IR35/West London We’re seeking an experienced Network Security Engineer to support a major multi-phase security testing project. You’ll conduct penetration tests, configuration reviews, and … infrastructure assessments, contributing to a high-profile programme of work extending into next year. Required Strong background in network and infrastructure security. Experience performing penetration testing, configuration reviews, and API testing. Knowledge of “classic” CHECK-style testing methodologies. CREST, CSTL or CTL certification (Team Member or Team Leader level). Ability to deliver high-quality reports and communicate technical … findings clearly. Hands-on experience across infrastructure, networking, and external testing. Desirable Experience working within CHECK or other accredited testing schemes. Strong understanding of secure network architecture and hardening practices. Previous consultancy or project-based testing experience. Contract Details Outside IR35 West London (on-site presence required for majority of testing) 0-hours contract – project-based work, phase by More ❯

Network Security Engineer Network Security/Penetration Testing/CREST/CSTL/API Testing/Config Reviews/Infrastructure/Outside IR35/West London We’re seeking an experienced Network Security Engineer to support a major multi-phase security testing project. You’ll conduct penetration tests, configuration reviews, and … infrastructure assessments, contributing to a high-profile programme of work extending into next year. Required Strong background in network and infrastructure security. Experience performing penetration testing, configuration reviews, and API testing. Knowledge of “classic” CHECK-style testing methodologies. CREST, CSTL or CTL certification (Team Member or Team Leader level). Ability to deliver high-quality reports and communicate technical … findings clearly. Hands-on experience across infrastructure, networking, and external testing. Desirable Experience working within CHECK or other accredited testing schemes. Strong understanding of secure network architecture and hardening practices. Previous consultancy or project-based testing experience. Contract Details Outside IR35 West London (on-site presence required for majority of testing) 0-hours contract – project-based work, phase by More ❯

Job Title: Senior Network Security Engineer Location: Kidlington or Southampton Contract Type: Temporary Daily Rate: £450 - outside IR35 Contract Length: 16 months Join Our Team!Are you an experienced Network Security Engineer ready to make an impact in the public services sector? We are looking for talented individuals to join our client Thames Valley … Police at either their offices in Kidlington or the Hampshire Police Offices in Southampton. What You'll Do:As a Senior Network Security Engineer, you will play a crucial role in maintaining and enhancing our wide area and local area communications network infrastructure. Your expertise will ensure the security and efficiency of our network operations. Key Responsibilities: Utilise network management tools to monitor network and voice traffic loads and performance metrics, ensuring service levels are met. Create insightful reports and proposals for network improvements to support business needs. Identify and resolve operational problems and implement necessary network changes and maintenance routines. Coach and mentor junior network engineers, fostering More ❯

Job Title: Senior Network Security Engineer Location: Kidlington or Southampton Contract Type: Temporary Daily Rate: £450 - outside IR35 Contract Length: 16 months Join Our Team! Are you an experienced Network Security Engineer ready to make an impact in the public services sector? We are looking for talented individuals to join our client Thames Valley … Police at either their offices in Kidlington or the Hampshire Police Offices in Southampton. What You'll Do: As a Senior Network Security Engineer, you will play a crucial role in maintaining and enhancing our wide area and local area communications network infrastructure. Your expertise will ensure the security and efficiency of our network operations. Key Responsibilities: Utilise network management tools to monitor network and voice traffic loads and performance metrics, ensuring service levels are met. Create insightful reports and proposals for network improvements to support business needs. Identify and resolve operational problems and implement necessary network changes and maintenance routines. Coach and mentor junior network engineers, fostering More ❯

Job Title: Senior Network Security Engineer Location: Kidlington or Southampton Contract Type: Temporary Daily Rate: £450 - outside IR35 Contract Length: 16 months Join Our Team!Are you an experienced Network Security Engineer ready to make an impact in the public services sector? We are looking for talented individuals to join our client Thames Valley … Police at either their offices in Kidlington or the Hampshire Police Offices in Southampton. What You'll Do:As a Senior Network Security Engineer, you will play a crucial role in maintaining and enhancing our wide area and local area communications network infrastructure. Your expertise will ensure the security and efficiency of our network operations. Key Responsibilities: Utilise network management tools to monitor network and voice traffic loads and performance metrics, ensuring service levels are met. Create insightful reports and proposals for network improvements to support business needs. Identify and resolve operational problems and implement necessary network changes and maintenance routines. Coach and mentor junior network engineers, fostering More ❯

An exciting opportunity for a passionate Network Security Engineer to join a unique, multi-national Information Management function. Ideal candidates should be committed to protecting our critical systems and ensuring the integrity and security of our network infrastructure. Salary : Circa £50,000depending on experience + shift allowance Dynamic (hybrid) working : 5 days per week on … site due to workload classification, working a 24/7 Shift Pattern Security Clearance : British Citizen This role will require DV Clearance. Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks … BPSS) and a Security Check (SC) clearance, which are managed by the MBDA Personnel Security Team. What we can offer you: Company bonus : Up to £2,500 (based on company performance and will vary year to year) Pension : maximum total (employer and employee) contribution of up to 14% Overtime: opportunity for paid overtime Flexi Leave: Up to More ❯

An exciting opportunity for a passionate Network Security Engineer to join a unique, multi-national Information Management function. Ideal candidates should be committed to protecting our critical systems and ensuring the integrity and security of our network infrastructure. Salary : Circa £50,000 depending on experience + shift allowance Dynamic (hybrid) working : 5 days per week … on-site due to workload classification, working a 24/7 Shift Pattern Security Clearance : British Citizen This role will require DV Clearance. Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard … checks (BPSS) and a Security Check (SC) clearance, which are managed by the MBDA Personnel Security Team. What we can offer you: Company bonus : Up to £2,500 (based on company performance and will vary year to year) Pension : maximum total (employer and employee) contribution of up to 14% Overtime: opportunity for paid overtime Flexi Leave: Up to More ❯

IT Security Engineer Feltham (Hybrid) £45,000 - £55,000 Base + Benefits Overview The IT Security Engineer is responsible for designing, implementing, and maintaining the security controls that protect the organization’s systems, networks, and data. This role works closely with IT, DevOps, and business teams to ensure that security is embedded throughout technology … operations and architecture. The IT Security Engineer is key to detecting, preventing, and responding to cybersecurity threats in a proactive and efficient manner. Key Responsibilities: Security Architecture & Implementation Design, deploy, and manage security solutions including firewalls, intrusion detection/prevention systems, endpoint protection, SIEM, and identity management platforms. Implement secure network architecture and enforce segmentation … and least-privilege access controls. Support secure cloud environments across Azure, AWS, or GCP (e.g., IAM, security groups, encryption, KMS). Threat Detection & Incident Response Monitor and analyze security alerts and network traffic for threats or suspicious activity. Lead or support incident response activities: investigation, containment, eradication, recovery, and reporting. Conduct root cause analysis and implement security More ❯

Join a unique, multi-national Information Management function that partners with governments and the Armed Forces to defend freedom and national sovereignty. As a Network Security Engineer, you'll play a vital role in safeguarding critical systems and network infrastructures as part of a 24x7 Internal Security Response team. We're hiring a Network Security Engineer to join a unique, multinational Information Management function dedicated to supporting the Armed Forces and protecting national interests. This organisation partners with governments to defend freedom and sovereignty, working at the cutting edge of technological security. If you're passionate about cyber defence, thrive in fast-paced environments, and love solving complex technical problems, this … is the place for you. You'll play a critical role as part of a 24x7 Internal Security Response team, helping safeguard our organisation's network infrastructure and respond to security incidents. When you're not collaborating with SOC experts, you'll design and maintain robust security solutions, protecting us against ever-evolving threats. What you More ❯

Cyber Security Engineer Location: Leeds City Centre (Hybrid: 3 days in the office, 2 days remote) Job Type: Full-Time Reports To: Security Operations Manager Salary: £30,000 – £45,000 + On-Call Allowance + Benefits Working Hours: 09:30–18:00 (core business hours are 08:00–18:00) On-Call: 1-in-4 rotation with … allowance, providing 24/7 coverage Company Overview The team supports a broad range of cutting-edge security technologies, helping customers secure their networks, applications, and infrastructure through proactive monitoring, management, and incident response. As demand for managed firewall and security services grows, my client is looking for a Cyber Security Engineer with strong networking fundamentals … and a willingness to learn advanced security technologies. This role is ideal for someone with 1–2 years of experience who wants to develop their skills in a supportive, growth-focused environment. Role Overview As a Cyber Security Engineer within the Security Operations Center (SOC), you will help manage and support customer network security More ❯

Cyber Security Engineer Location: Leeds City Centre (Hybrid: 3 days in the office, 2 days remote) Job Type: Full-Time Reports To: Security Operations Manager Salary: £30,000 – £45,000 + On-Call Allowance + Benefits Working Hours: 09:30–18:00 (core business hours are 08:00–18:00) On-Call: 1-in-4 rotation with … allowance, providing 24/7 coverage Company Overview The team supports a broad range of cutting-edge security technologies, helping customers secure their networks, applications, and infrastructure through proactive monitoring, management, and incident response. As demand for managed firewall and security services grows, my client is looking for a Cyber Security Engineer with strong networking fundamentals … and a willingness to learn advanced security technologies. This role is ideal for someone with 1–2 years of experience who wants to develop their skills in a supportive, growth-focused environment. Role Overview As a Cyber Security Engineer within the Security Operations Center (SOC), you will help manage and support customer network security More ❯

Job Title: Network Security Engineer Location: Full Remote/outside IR35 Contract Type: 6-Month Initial Term (with potential for extension) Role Overview: We are seeking an experienced Network Security Engineer to support a strategic data centre migration project involving the transition to a segmented VRF architecture. The ideal candidate will have deep expertise … in Palo Alto firewall technologies and knowledge with Cisco VXLAN EVPN, and will be instrumental in implementing secure, scalable network solutions during this transformation. Key Responsibilities: - Lead the migration of legacy data centre environments into segmented VRFs, ensuring secure and efficient traffic separation via Palo Alto Infrastrcuture. - Design, deploy, and manage Palo Alto Next-Generation Firewalls (PA-Series, Panorama … GlobalProtect). - Configure and troubleshoot Cisco VXLAN EVPN overlays, including BGP EVPN control plane and VTEP deployments. - Implement network segmentation aligned with zero-trust principles. - Collaborate with infrastructure, cloud, and application teams to ensure secure connectivity during migration. - Perform firewall rule optimization, threat prevention tuning, and performance monitoring. - Document migration plans, network designs, and operational procedures. - Provide expert More ❯

Job Title: Network Security Engineer Location: Full Remote/outside IR35 Contract Type: 6-Month Initial Term (with potential for extension) Role Overview: We are seeking an experienced Network Security Engineer to support a strategic data centre migration project involving the transition to a segmented VRF architecture. The ideal candidate will have deep expertise … in Palo Alto firewall technologies and knowledge with Cisco VXLAN EVPN, and will be instrumental in implementing secure, scalable network solutions during this transformation. Key Responsibilities: - Lead the migration of legacy data centre environments into segmented VRFs, ensuring secure and efficient traffic separation via Palo Alto Infrastrcuture. - Design, deploy, and manage Palo Alto Next-Generation Firewalls (PA-Series, Panorama … GlobalProtect). - Configure and troubleshoot Cisco VXLAN EVPN overlays, including BGP EVPN control plane and VTEP deployments. - Implement network segmentation aligned with zero-trust principles. - Collaborate with infrastructure, cloud, and application teams to ensure secure connectivity during migration. - Perform firewall rule optimization, threat prevention tuning, and performance monitoring. - Document migration plans, network designs, and operational procedures. - Provide expert More ❯