Network Engineer

Salary: £? - ? per year

Requirements:

• Strong Network Engineering / IT Infrastructure background.
• Experience within secure or highly regulated network environments, including crypto technologies.
• Good knowledge of Cisco technologies, including Catalyst Centre and ISE.
• Strong understanding of routing, switching and networking fundamentals (OSI, OSPF, BGP, HSRP, VRRP, TCP/IP).
• Experience with Windows Server, Active Directory, Linux/RHEL and VMware.
• Exposure to SDA, authentication services and network security.
• Experience using monitoring tools such as SolarWinds, PRTG or Nagios.
• Strong troubleshooting, documentation and stakeholder communication skills.
• Valid DV security clearance.

Responsibilities:

• Provide operational support for enterprise network infrastructure across multiple sites.
• Investigate, own and resolve network-related issues and risks.
• Support network improvement projects and wider business initiatives.
• Work closely with security teams on network reporting, risk analysis and compliance activities.
• Collaborate with service management teams to ensure agreed service levels are met.
• Support secure network environments, including crypto solutions and associated technologies.
• Maintain network documentation and operational processes.
• Liaise with third-party vendors and technology partners to optimise service delivery.

Technologies:

• Active Directory
• Cisco
• Support
• Linux
• Network
• RHEL
• Security
• TCP/IP
• VMware
• Windows

More:

We are supporting a leading defence engineering organisation in the search for an experienced Network Engineer to join our established Network Operations team on a 12-month contract basis. This role is based in Stevenage with occasional support across Bolton and Bristol, and offers an opportunity to work within a highly secure, complex enterprise environment supporting critical network infrastructure across multiple UK sites while contributing to ongoing network improvement and security initiatives.

last updated 37 week of 2026