Latest Network Security Jobs

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Network Security Engineer

This role involves managing and securing complex, multi-vendor firewall environments using AlgoSec for policy automation, risk analysis, and compliance reporting. The engineer will support firewall operations, conduct rule reviews, and drive security optimisation within a regulated enterprise, with a focus on automation using Python, PowerShell, and tools like Ansible or Terraform. The position is based in Knutsford with a hybrid 3-day-in-office work pattern.

Experis Peover Superior, Cheshire, WA16 8TT, United Kingdom £400 – £469 pd

Network & Security Architect

SummaryTake ownership of secure network architecture across complex defence programmes where your technical decisions influence critical environments from concept through to delivery. This is an opportunity to broaden your architectural influence, work across high assurance systems and develop expertise in...

Electus Recruitment Stevenage, Hertfordshire, United Kingdom £60,000 – £65,000 pa

Network Security Architect

Design and lead the development of secure network architectures for highly classified environments, spanning national and international projects including NATO. Collaborate across security, operations, and application teams to balance technical trade-offs and guide strategic direction, particularly during cloud migration. Work involves frequent engagement with multi-level classification systems and cross-cultural technical teams.

Cirrus Selection Stevenage, Hertfordshire, United Kingdom £55,000 – £65,000 pa
Hybrid Permanent Clearance Required

IT / Network Security Engineer

This role involves defending enterprise infrastructure and data by managing threat detection, security appliances, and compliance frameworks. The engineer will analyze network telemetry, respond to incidents, ensure alignment with ISO 27001, and collaborate across teams to integrate security into system design. Work follows a hybrid model with two days per week on-site in Oxfordshire.

Tank Recruitment Oxfordshire, United Kingdom £45,000 – £55,000 pa

Security Architect (OT, IT, Network and Physical)

Design and own the security architecture for an autonomous maritime platform, integrating OT, IT, network, and physical security domains. Partition systems into zones and conduits per IEC 62443, define trust boundaries, access controls, and resilient command links, and produce high- and low-level design artifacts. Support threat modelling, risk assessment, and formal design reviews within a defence-critical environment.

Expleo Bristol, Bristol (county), United Kingdom

Senior Security Operations Engineer

This role involves strengthening and evolving the security operations and engineering capabilities at a fast-growing cybersecurity SaaS company. The engineer will enhance detection and response, vulnerability management, and cloud security across AWS and GCP, while also designing scalable security services and embedding secure-by-design principles. The position includes mentoring, incident leadership, and shaping the long-term security roadmap in a collaborative, mission-driven environment.

Risk Ledger London, United Kingdom £90,000 – £100,000 pa

Network Infrastructure Engineer

This role involves managing the full lifecycle of network security products, including integration, testing, deployment, and operational support. The engineer will diagnose system failures, lead disaster recovery efforts, and ensure high availability through ITIL-aligned processes. Working within a global IT team at Airbus, the position focuses on improving digital infrastructure reliability and efficiency in a hybrid environment.

airbus United Kingdom
CrowdStrike logo

Network Engineer III - Backbone , London)

Design and operate large-scale, fault-tolerant hybrid cloud networks connecting data centers and edge locations across multiple cloud providers. Focus on IP and optical technologies, automation via infrastructure-as-code, and improving network reliability, scalability, and security. Lead initiatives from concept to deployment while participating in on-call support for critical systems.

CrowdStrike London, United Kingdom
Hybrid Permanent

Cyber Security Governance Consultant

This role involves advising government and secure-sector clients on cyber governance, risk, and compliance (GRC), conducting gap analyses against security frameworks, and developing governance strategies. The consultant will lead on risk assessments, policy development, third-party risk, and compliance activities, supporting high-profile, security-cleared transformation programmes. Work includes shaping security roadmaps and ensuring alignment with standards such as ISO 27001, NIST, and NCSC CAF.

83zero London, City And County Of the City Of London, United Kingdom £80,000 – £100,000 pa
Hybrid Permanent Clearance Required

Network Engineer – Central London

This role involves designing, managing, and securing enterprise network infrastructure with a strong focus on Fortinet technologies, including FortiGate firewalls, VPNs, and routing. The engineer will troubleshoot complex network issues, implement security policies, and support hybrid network environments. The position plays a key role in maintaining resilient and secure networking systems within a central London-based team.

Ashdown Group London, United Kingdom £63,000 – £65,000 pa
Hybrid

Senior Security Engineer (IT/OT)

This role involves securing both corporate IT and operational technology environments across a distributed network of stores, distribution centres, and industrial sites. The engineer will design hardened architectures, implement network segmentation, and strengthen identity and endpoint controls where system availability is critical. It combines hands-on technical leadership with mentoring and shaping security best practices across engineering and operations teams.

Oscar Technology London, United Kingdom £80,000 – £90,000 pa
Hybrid Permanent Clearance Required

Cyber Security Consultant

This role involves strengthening and maintaining the organization's cybersecurity posture through security assurance, incident response coordination, vulnerability management, and governance. The candidate will lead responses to cyber incidents, oversee security operations, and ensure compliance with key regulations and frameworks. Technical responsibilities include supporting investigations, threat analysis, and monitoring activities.

Hawke Search London, United Kingdom £80,000 – £90,000 pa

IT Systems & Network Administrator

This role involves hands-on management of IT infrastructure with a focus on network security, virtualisation, and system administration. The candidate will configure and maintain SonicWall firewalls, administer VMware ESXi/vSphere environments, and provide technical support across Windows Server and Active Directory. The position requires on-site presence at Heathrow and supports a depot-based operational environment.

Parkside Office Professional South West England, United Kingdom £50,000 – £80,000 pa
On-site Permanent

Senior IT Security Analyst / Engineer

This role involves leading and operationalising key cybersecurity domains such as endpoint, network, and identity security, with a strong focus on hands-on management of tools like CrowdStrike and Zscaler. The analyst will conduct vulnerability assessments, threat-informed remediation, and incident response, using attacker behaviour and MITRE ATT&CK to prioritise actions. Collaboration with infrastructure, cloud, and identity teams ensures continuous improvement of the organisation's cyber defence posture through automation, detection tuning, and security investigations.

Prime Personnel UK Victoria, Greater London, London, SW1P 1BX, United Kingdom £75,000 – £90,000 pa
Hybrid Permanent Clearance Required

Cyber Security Engineer

This role involves securing a hybrid IT environment spanning Microsoft Azure, VMware, and Cisco Meraki systems. The engineer will focus on cloud security, infrastructure hardening, incident response, and disaster recovery testing while collaborating with infrastructure and service teams. Key responsibilities include vulnerability remediation, security automation, and strengthening cyber resilience across the estate.

DCV Technologies Lincoln, Lincolnshire, United Kingdom £60,000 – £65,000 pa
Hybrid Permanent Clearance Required