Network Engineer; DV Security Clearance
Stevenage, Hertfordshire, SG1, England, UK
Listed on 2026-09-12
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IT/Tech
Cybersecurity, Network Engineer, Network Security, Systems Engineer
World Class Defence Organisation is currently looking to recruit a Network Engineer subcontractor on an initial 12 month contract. please note:
Current DV Security Clearance is required.
Rate:£68.75 per hour
Location:
Stevenage
Hybrid / Remote working:
Onsite 4 days per week, 1 day remote from home. 8 hours a day between 07:00-19:00
Contract:
37 Hours per week
Overtime:
Hours worked over 37 hours per week will be calculated at 'time and a quarter'
Duration: 12 Months (initially and then ongoing and long-term thereafter)
IR35 status:
Inside IR35 (Umbrella)
Job Description:
DEx Networks are responsible for the management and support of networks across the UK estate, and some International locations (MCN). DEx Networks has two departments:
Network Solutions (Projects) and Operations (BAU/ Support/ Maintenance); DEx Network Operations is split into five domains, as follows:
- Network Collaboration (Unified Comms)
- Network Dev Ops
- Network Infrastructure (LAN)
- Network Security
- Network Services
Network Collaboration services:
Collaboration tools, IP telephony and Video Conference.
Network Dev Ops:
Automation and the development of processes/solutions to deliver services and improvements, as a team.
Network Infrastructure (LAN & WLAN): network infrastructure (i.e. switches/routers etc.) on various networks of differing classifications.
Network Security: firewalls, load balancing, proxies, RAS, encryption - the security technologies to maintain a secure network. This is separate from our SOC team that analyses network threats and vulnerabilities, amongst other things.
Network Services:
Manages service outcomes, monitoring output and incident process, supporting the other departments with communication to end users, process documentation etc.
- Provide dedicated support at, but not limited to, the Stevenage site (Bolton and Bristol sites are 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 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, 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.
- 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, 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.
- Network cabling fundamentals.
- Proficient in monitoring technologies such as Nagios, PRTG, Solarwinds.
- CCNA / CCNP would be great
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