Latest Network Security Jobs

Spotlight
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Senior Data Engineer

The role involves designing, building, and operating scalable batch and streaming data pipelines that transform vast, unstructured exposed data into reliable, queryable intelligence. You'll work end-to-end across the data lifecycle, ensuring high data quality and close integration with machine learning workflows for feature engineering and model training. The position emphasizes ownership of data platforms using modern cloud and data stack technologies in a collaborative, remote-first startup environment.

Lab 1 London, Greater London, United Kingdom £85,000 – £125,000 pa
Hybrid Permanent
Experis logo

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

Network Security Engineer

This role involves architecting, deploying, and managing secure network infrastructures using Fortinet technologies in a high-growth cybersecurity consultancy. The engineer will configure FortiGate firewalls, manage HA clusters, and implement site-to-site and remote-access VPNs across complex, multi-tenant environments. They will also lead incident response, vulnerability remediation, and work closely with executive leadership to shape security strategy, utilizing FortiAnalyzer, FortiManager, and FortiClient EMS for proactive threat mitigation and visibility.

Robert Walters Cheshire, United Kingdom £40,000 – £45,000 pa

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

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 Specialist

This role involves leading enterprise cybersecurity initiatives with a focus on firewall management, network segmentation, and risk reduction. The specialist will design and implement secure network architectures across critical zones, enforce policy governance, and collaborate with internal and external teams to strengthen cyber resilience. Work includes hands-on configuration of Cisco Secure Firewall (FTD/FMC) and supporting large-scale remediation projects in a multi-vendor environment.

Perfect Placement Carlton, Barnsley, South Yorkshire, S71 3JH, United Kingdom £1 pa
Hybrid Permanent Clearance Required

Lead Network Engineer

Lead Network Engineer responsible for maintaining, enhancing, and securing the Joint Military Network Integration and Information Assurance Network (JMNIAN), supporting UK Defence and international coalition operations. The role involves network design, firewall management, automation development, and technical documentation in a highly secure environment. Works within a specialist team to deliver resilient, secure communications across complex, multi-vendor infrastructures.

Sopra Steria Salisbury, United Kingdom £50,000 – £65,000 pa

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

Security Solutions Architect

This role involves designing and governing security architecture for enterprise technology initiatives within a global financial services organisation. The architect will conduct threat modelling, define security controls, and ensure solutions are secure by design across cloud, infrastructure, and networking environments. They will work closely with technical and business stakeholders to align security with regulatory and operational requirements.

Huxley Associates London, City And County Of the City Of London, United Kingdom £110,000 – £130,000 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

Security Engineer

This role involves leading cyber security strategy across both corporate IT and operational technology (OT) environments in a manufacturing organisation. You'll manage enterprise security platforms such as EDR, SIEM, NDR, firewalls, and email security, lead incident response, conduct vulnerability assessments, and ensure robust patching and identity management. The role also includes developing security awareness programmes, supporting disaster recovery, and maintaining compliance, all within a complex hybrid infrastructure spanning on-premises and cloud environments.

NET Recruit Chichester, United Kingdom £50,000 – £60,000 pa
Hybrid Permanent Clearance Required