Network Engineer (DV Security Clearance)

Salary: £? - ? per year

Requirements:

• A career background in information technology.
• Demonstrable crypto experience and strong knowledge of crypto best practice.
• Knowledge of Cisco Catalyst Centre, ISE, Cisco best practice and CVDs.
• Demonstrable knowledge of the OSI model.
• Strong understanding of network communication protocols including, but not limited to, HSRP/VRRP, HTTP/S, OSPF/BGP, SSL, and TCP/IP.
• Experience with Windows Server/AD, Linux, RHEL and VMWare/vSphere.
• Self-motivated, ambitious and tenacious, with the ability to work under pressure.
• A structured approach to document management.
• Exposure to SDA principles and deployments.
• Knowledge of authentication services.
• Network cabling fundamentals.
• Proficiency in monitoring technologies such as Nagios, PRTG and SolarWinds.
• CCNA / CCNP would be great.
• Current DV Security Clearance is required.

Responsibilities:

• Provide dedicated support at, but not limited to, our Stevenage site, with Bolton and Bristol also in scope, ensuring the effective delivery of DEx Network service in this high-profile environment.
• Own the remediation of any identified issues and risks, based on submitted reports and any other intelligence.
• Assist with the support of initiatives as part of our DEx Networks team.
• Build relationships with partners and external suppliers to optimise the service provided and play a substantial role in agreeing service levels to meet business need.
• Engage with the Security team to develop Security Reporting and risk analysis.
• Collaborate with the Service Manager and DEx Network Service team to ensure Network service requirements meet the agreed criteria.
• Collaborate with our DEx Networks Crypto Network Specialist regarding crypto management and support.

Technologies:

• Cisco
• HTTP
• Support
• Linux
• Network
• RHEL
• Security
• TCP/IP
• VMware
• Windows
• DevOps
• LAN
• Load Balancing
• WLAN

More:

We are a world-class Defence organisation currently recruiting a Network Engineer subcontractor on an initial 12-month contract. The role is based in Stevenage, with onsite working four days per week and one day remote from home. The contract is for 37 hours per week, with overtime paid at time and a quarter for hours worked over 37. The role is inside IR35 on an umbrella basis, with the contract initially 12 months and ongoing and long-term thereafter.

last updated 37 week of 2026