IT & Software

Senior Network Engineer

CGI

Chippenham · Wiltshire · United Kingdom

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Overview

As a Senior Network Engineer in CGI's Space, Defence and Intelligence unit, you will own and optimise secure, mission-critical networks. You will work autonomously within a collaborative expert team to enhance stability, performance and security on a secure programme. The role offers ownership, opportunities to implement innovative solutions and to advance in a network-centric, high-security environment. This position supports CGI’s mission to enable critical capability through resilient networking.

Pay / Benefits
  • competitive salary
  • excellent pension
  • private healthcare
  • share scheme (3.5% + 3.5% matching)
  • career development
  • training and support
Responsibilities
  • Own & Resolve complex network issues to minimise disruption of critical services
  • Optimise & Improve network performance, resilience and operational efficiency
  • Maintain & Support the secure, available network infrastructure
  • Design & Implement network enhancements and configuration changes
  • Analyse & Prevent by conducting root cause analysis and sustainable fixes
  • Secure & Protect by applying security best practices and standards
  • Collaborate & Advise with technical specialists and stakeholders
  • Document & Enhance network knowledge and drive service improvement
Key requirements
  • Network Engineering Expertise in complex enterprise networks
  • Routing & Switching knowledge (TCP/IP, VLANs, routing protocols, switching)
  • Troubleshooting & Problem-Solving of complex faults
  • Network Security understanding (firewalls, segmentation, access controls)
  • Continuous Improvement experience to enhance stability and reliability
  • Technical Ownership and autonomous working attitude
  • Infrastructure Support including change management and incident resolution
  • Strong Communication & Collaboration skills
  • Strong communication
  • Collaborative mindset
  • Proactive and autonomous working style
  • TCP/IP
  • VLANs
  • Routing protocols

Reference: WJ-747_31292136 · Posted 13 Nov 2026, 10:59 AM

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