Latest Network Security Jobs

Network Security Architect - DV Cleared

This role involves designing and owning high-level security architectures for complex network and infrastructure solutions within a UK government defence programme. The architect will translate security requirements into technical designs, conduct control mapping against standards like NIST and NCSC, and ensure secure-by-design principles are embedded across delivery. Focus is on resilience, compliance, and accreditation within a highly regulated, on-site environment.

CBSbutler Holdings Limited trading as CBSbutler Cliddesden, Hampshire, RG25 2JJ, United Kingdom £600 – £700 pd

On-site Contract Clearance Required

Network Security Engineer

This role involves designing and maintaining network security solutions across complex global systems, with a focus on satellite and communications technology. You will monitor threats using SIEM, IDS/IPS, and vulnerability management tools, respond to incidents, and ensure compliance with standards like ISO27001. The position offers technical ownership and collaboration with engineering and compliance teams.

Rise Technical Recruitment Redhill, RH1 1RJ, United Kingdom £40,000 – £50,000 pa

On-site Permanent Clearance Required

Network Security Manager

This role involves leading a multidisciplinary team responsible for security operations and network security, overseeing SOC services, incident response, and compliance with frameworks like ISO 27001 and NIST. The manager will govern network infrastructure security, manage third-party providers, and drive continuous improvement in cyber security operations, risk management, and resilience. It is a strategic leadership position combining technical depth with governance and stakeholder engagement.

Pearson Whiffin Recruitment Group Dartford, United Kingdom £85,000 – £95,000 pa

On-site Permanent

Network Security Architect

The role involves designing and improving network security architecture with a focus on large-scale network segmentation. You'll lead global technical projects, collaborate with vendors, and enforce security standards across a complex enterprise environment using technologies like Fortigate, Cisco, and Palo Alto. The position requires deep expertise in network protocols, security frameworks, and hands-on implementation of advanced security solutions.

Proactive Appointments Didcot, United Kingdom £70,000 – £75,000 pa

On-site Permanent

Network Security Engineer

This role involves hands-on management and optimisation of enterprise firewall platforms within a complex, multi-site environment, covering both IT and operational technology networks. The engineer will lead firewall design, implementation, and troubleshooting, while collaborating with infrastructure and application teams on security projects, upgrades, and new deployments. Emphasis is placed on operational resilience, secure connectivity, and continuous improvement of network security policies.

Rise Technical Recruitment Scunthorpe, DN15 6SS, United Kingdom £60,000 – £65,000 pa

Hybrid Permanent

Network and Security Architect

This role involves designing and shaping network architectures within highly secure environments, often across classified and international projects. You'll collaborate with security teams, operations, and stakeholders to define architectural direction and resolve complex technical challenges. The position supports MBDA's global network harmonisation and cloud transition, requiring strong diplomacy and coordination across diverse teams.

MBDA Stevenage, Hertfordshire, United Kingdom £65,000 pa

Hybrid Permanent Clearance Required

Network & Cyber Security Engineer

This role involves securing hybrid environments, on-site infrastructures, and cloud services, particularly Microsoft 365 and Fortinet/FortiGate firewalls. You will design and implement security frameworks, manage vulnerabilities, and support DevSecOps practices, working closely with engineering and operations teams.

GBR Recruitment Limited Lincoln, Lincolnshire, United Kingdom £55,000 – £60,000 pa

On-site Permanent Clearance Required

Network & Cyber Security Engineer

This role involves securing hybrid environments, on-site infrastructures, and cloud services, particularly Microsoft 365. You will design and implement security frameworks, manage vulnerabilities, and support DevSecOps practices. The position offers hands-on experience and the potential to lead a growing Cyber Security team.

GBR Recruitment Limited Nottingham, Nottinghamshire, United Kingdom £55,000 – £60,000 pa

On-site Permanent Clearance Required

Network and Security Engineer

This role involves supporting the data network and network infrastructure, including firewall management and project work. The engineer will handle Layer 3 path control, IPv4 redistribution, and various routing protocols, as well as work with Cisco ACI, ISE, and Meraki technologies.

McGregor Boyall London, United Kingdom £90,000 – £110,000 pa

Hybrid Permanent

Principal Network Security Engineer

Join us at EntrustAt Entrust, we’re shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely.Get...

Entrust Newbury, United Kingdom

Senior Network Security Engineer

Senior Network Security EngineerNear Epsom | Hybrid (2 days onsite)Permanent | On call + occasional OOHWhy This Role?This is a busy, engineering led role within a well established financial services environment, ideal for someone who wants to own and evolve...

Lloyd Recruitment Epsom, KT19 8DX, United Kingdom

Senior Infrastructure Project Manager (Network Security/ Cloud)

This role involves overseeing the design, operation, and security of network and infrastructure services in a regulated financial environment. Responsibilities include strategic capacity planning, technical leadership, project management, and vendor management, with a focus on resilience and continuous improvement.

Robert Walters London, United Kingdom £60,000 – £80,000 pa

Network Engineer

This role involves hands-on support and maintenance of enterprise network infrastructure across multiple locations. Responsibilities include troubleshooting, configuring firewalls, managing network security, and working on network segmentation and access control initiatives.

Oscar Technology Barnsley, United Kingdom £30,000 – £40,000 pa

Hybrid Contract

Network Support

This role involves maintaining and improving the network and server infrastructure in a large enterprise environment. You'll support a wide range of technologies, handle technical escalations, and participate in infrastructure projects and on-call duties.

Spectrum IT Recruitment Chichester, United Kingdom

On-site Permanent

Network Architect

This role involves designing and delivering enterprise-scale network solutions across LAN, WAN, and data centre environments. You will work closely with engineering teams, stakeholders, and customers to ensure robust, scalable, and secure solutions, with a focus on modern technologies like SD-WAN and cloud networking.

Searchability Leeds, United Kingdom £75,000 – £85,000 pa

Hybrid Permanent