SC Network Engineer

Contract – SC Network Engineer (CX /OpNet – Trinity)

• Client: Defence Client
• Location: Corsham (on-site)
• Clearance: Active SC-Clearance
  
• Contract:Inside IR35
• Duration: Until March 2028 (long-term programme)
• Rate: £515/day
• Start: ASAP (subject to clearance & onboarding)

Overview

We’re looking for an SC-cleared Network Engineer to support a major UK defence programme delivered by QinetiQ. You’ll join a team providing operational network engineering across a secure environment, with a strong focus on OpNet activity on Trinity.

This is a hands-on Contract Network Engineering role—ideal for someone who’s comfortable working on-site, following controlled change, and supporting business-critical infrastructure in a high-assurance setting.Key Responsibilities

• Provide day-to-day network engineering support across a secure estate.
• Deliver OpNet engineering activities on Trinity (support, fixes, implementation, and troubleshooting).
• Support incident resolution, problem investigation, and root-cause analysis across network services.
• Carry out planned changes, upgrades, and network improvements within a controlled environment.
• Work closely with service delivery, project teams, and technical stakeholders to maintain availability and performance.
• Produce/update technical documentation (as-builts, implementation plans, handover notes, etc.).

Essential Skills / Experience

• Proven Network Engineer experience in secure / enterprise environments.
• Experience supporting operational networks (BAU + change).
• Strong troubleshooting skills across routed/switching environments.
• Comfortable working in structured change control processes and security-led environments.
• Active SC clearance (must be in place to start).
• Able to work on-site in Corsham.

Desirable

• Prior experience on OpNet and/or within defence/government programmes.
• Familiarity with “Trinity” environments and associated tooling/process.
• Experience supporting large-scale service delivery in multi-team environments.

Working Pattern

• On-site (Corsham) – expectation is site-based delivery due to the secure nature of the environment.