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

This role involves leading the design and implementation of complex, multi-vendor network and security solutions, with a focus on high-availability data centre and SD-WAN architectures. The architect will produce detailed technical designs, configure and troubleshoot enterprise infrastructure, and provide technical leadership across delivery teams. Key technologies include Cisco ACI, F5 BIG-IP, and advanced routing and security platforms.

CBSbutler Holdings Limited trading as CBSbutler Newbury, Berkshire, United Kingdom £550 – £650 pd

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

Cyber Security Network Engineer - Banking

This role involves managing and securing critical network infrastructure within a regulated banking environment. The engineer will lead vulnerability management, maintain firewalls and web application security systems, and ensure secure change implementation. Key responsibilities include pre-production testing, technical documentation, and peer review participation to uphold high security standards.

Robert Walters London, United Kingdom £70,000 – £75,000 pa
On-site

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

Cyber Security Lead

This role involves leading and improving the organisation's information and cyber security posture across infrastructure, networks, cloud platforms, and business systems. The candidate will develop and maintain the Information Security Management System (ISMS), ensure ISO 27001 compliance, manage risk assessments, and coordinate vulnerability remediation. They will work closely with technical teams and senior stakeholders to embed security best practices and respond to incidents, combining hands-on technical work with strategic governance.

SSA Digital Recruitment Bedford, Bedfordshire, United Kingdom £60,000 – £72,000 pa
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

Senior Network Architect, Cisco

Design and implement secure, end-to-end network solutions using Cisco technologies in high-integrity environments. Lead technical design, mentor engineers, and align network architectures with security and business requirements across complex projects. Work within a specialist team on critical infrastructure with a mix of on-site and flexible working.

Sopra Steria Salisbury, United Kingdom

Senior Security Analyst - Product-Based Risk Assessment (PBRA)

Conduct end-to-end security risk assessments for critical applications and technology services, evaluating threats, vulnerabilities, and control effectiveness. Engage with senior stakeholders across CISO, CTO, and engineering functions to deliver actionable remediation plans and strengthen cyber resilience. Support the evolution of assessment methodologies toward data-enabled and automated approaches, with a focus on cloud, AI, and emerging technologies.

Salt London, United Kingdom £517 – £690 pd
Hybrid Contract Clearance Required

AWS Network Engineer (Palo Alto, Firewalls, Python) - Amsterdam

This role involves designing, implementing, and troubleshooting large-scale AWS networking and cloud security infrastructure. The engineer will manage VPCs, Transit Gateway, firewalls (especially Palo Alto), and automate operations using Python and Infrastructure as Code. Collaboration with security and platform teams is key to maintaining resilient, secure cloud networks.

Salt London, United Kingdom £69 – £95 ph

Cyber Security & Infrastructure Engineer

This role involves protecting systems, networks, and data by monitoring security alerts, leading incident response, and improving security posture across on-premises and cloud environments. The engineer will implement and maintain Azure, Microsoft 365, and Intune security, conduct vulnerability management, and ensure compliance with standards like ISO 27001 and NCSC. A key focus is threat detection, forensic investigation, and enhancing infrastructure resilience within a small, technical IT team.

Adria Solutions East Howdon, Tyne & Wear, United Kingdom £40,000 – £50,000 pa

Cyber Security & Infrastructure Engineer

This role involves hands-on management of cyber security and IT infrastructure across on-premises and cloud environments, with a focus on threat detection, incident response, and security hardening. The engineer will monitor alerts, conduct forensic investigations, secure Azure and Microsoft 365 environments, and ensure compliance with standards like ISO 27001 and NCSC guidance. A key aspect is leading during incidents and improving organisational resilience through proactive security measures.

Adria Solutions Newcastle upon Tyne, United Kingdom £40,000 – £50,000 pa

Cyber Security Engineer

This role involves designing, implementing, and maintaining cybersecurity solutions across Microsoft environments, cloud platforms, and network infrastructure. The engineer will lead incident response, threat hunting, and vulnerability management efforts while ensuring security-by-design in IT projects. Key focus areas include Microsoft 365 security, identity management, SIEM/SOAR operations, and compliance with Cyber Essentials Plus.

Morgan Hunt Recruitment Ec1N8Js, United Kingdom £65,000 pa
Hybrid Contract
Experis logo

Senior Cyber Security Engineer

This role involves securing a cloud-first technology landscape with a focus on Azure, web platforms, identity services, and emerging AI systems. The engineer will implement security controls, manage WAFs, embed secure-by-design practices in DevOps, and lead identity security via Entra ID. They will also act as a technical liaison for security partners and help shape security governance for scalable digital delivery.

Experis Manchester, United Kingdom £50,000 – £60,000 pa