Senior Infrastructure Engineer (DV Security Clearance)

  • Onyx-Conseil
  • May 29, 2026
Full time I.T. & Communications

Job Description

Overview

At CGI, you'll play a vital role in protecting and enabling some of the UK's most critical defence capabilities. As an Infrastructure Engineer, you will help design, support and sustain secure, high-availability environments that underpin mission-critical operations. Working alongside trusted experts, you'll take ownership of complex infrastructure challenges, apply creative problem-solving, and deliver resilient solutions that make a real-world impact. CGI empowers you to shape outcomes, innovate with purpose, and grow your career within a supportive, collaborative culture where your expertise genuinely matters.

Responsibilities
  • Design, support and sustain secure, high-availability environments that underpin mission-critical operations.
  • Take ownership of complex infrastructure challenges and apply creative problem-solving to deliver resilient solutions.
Requirements
  • Hold UK Security Clearance or be eligible to go through this clearance.
  • This position requires 5 days a week onsite in Chippenham.