Network Engineer (DV Security Clearance)

Salary: £143,000 - 143,000 per year

Requirements:

• A career background in information technology.
• Demonstrable crypto experience and strong knowledge of crypto best practice.
• Knowledge of Cisco Catalyst Center, ISE, Cisco best practice and CVDs.
• Demonstrable knowledge of the OSI model.
• Strong understanding of network communication protocols including 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.
• Authentication services knowledge.
• 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 Stevenage, 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 other intelligence.
• Assist with the support of initiatives as part of the 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 the DEx Networks Crypto Network Specialist regarding crypto management and support.

Technologies:

• Cisco
• DevOps
• HTTP
• Support
• Linux
• Network
• RHEL
• Security
• TCP/IP
• VMware
• Windows
• 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 hybrid/remote working: onsite 4 days per week and 1 day remote from home. The working pattern is 8 hours a day between 07:00 and 19:00, with a 37-hour contract and overtime paid at time and a quarter for hours worked over 37 per week. The role is inside IR35 (umbrella) and is expected to continue on an ongoing, long-term basis. We manage and support networks across the UK estate and some international locations, with DEx Networks covering Network Solutions and Operations across collaboration, devops, infrastructure, security and services.

last updated 39 week of 2026