The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery processes and our deep expertise across the breadth of space, defence, intelligence, aerospace and maritime, all underpinned by our end-to-end cyber capability. We work collaboratively with global technology companies, cutting edge SMEs and academia to deliver the optimal solution for each client.

Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This position will be based on site near Farnborough or Reading.

Your future duties and responsibilities

We are looking for an experienced and highly skilled Senior Infrastructure Support Engineer to join our team. This role is ideal for professionals who excel in supporting, maintaining, and optimizing critical IT infrastructure. You will play a key role in ensuring the high availability, security, and performance of our systems while troubleshooting complex issues efficiently. Additionally, you will participate in an on-call rota to provide 24/7 support for mission-critical systems.

Key Responsibilities:

Advanced Support & Troubleshooting:

• Provide expert-level support for VMware Cloud Foundation, Tanzu, Dell VxRail, and Dell Data Domain solutions.
• Troubleshoot and resolve issues related to key management systems, including HashiCorp Vault and Thales Hardware Security Module.
• Manage and support privileged access management solutions (BeyondTrust) and SSO systems (KeyCloak).
• Have a strong foundation in networking principles.

System Maintenance & Optimisation:

• Administer and optimise Windows Server 2022 and Hyper-V environments.
• Perform proactive monitoring and maintenance to ensure system performance and reliability.
• Implement and support disaster recovery and business continuity strategies.

Collaboration & Documentation:

• Work closely with cross-functional teams to resolve infrastructure challenges and drive improvements.
• Maintain detailed documentation for all systems, processes, and configurations.

On-Call Support:

• Participate in an on-call rota to provide out-of-hours support for critical systems and ensure rapid incident resolution.

Required qualifications to be successful in this role

• Defence sector experience or experience in a highly regulated environment.
• Proven experience in a senior support role, managing complex IT environments.
• Certifications in VMware, Microsoft, Dell, or security technologies (highly desirable).
• Strong problem-solving skills, attention to detail, and a commitment to delivering high-quality solutions.
• Familiarity with Hyper-converged Infrastructure.

Desired Competencies:

• Knowledge of cross-domain technologies (Tiger Traps, Garrison, OpsWat, NiFi).
• Familiarity with DevOps tools (GitLab, Harbor, FluxCD, Kubernetes-based containerisation).
• Experience with Elastic for logging and analytics.

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Together, as owners, let 's turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our team–one of the largest IT and business consulting services firms in the world.