Senior Infrastructure Engineer

Position Description:

As a Lead Infrastructure Engineer within our Space Defence and Intelligence business you will support high-performing environments that directly support the future of vital national services. This is an opportunity to take ownership of complex challenges guide a talented team and develop creative technical solutions that keep pace with evolving programme needs. Supported by a collaborative expert community youll play a pivotal role in delivering infrastructure excellence that enables our clients to achieve lasting impact.

CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK Best Employer by the Financial Times. We offer a competitive salary excellent pension private healthcare plus a share scheme (3.5% 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector including our Armed Forces and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and youll be part of an open friendly community of experts. Well train and support you in taking your career wherever you want it to go.

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 is a hybrid position.

Your future duties and responsibilities:

In this role you will provide technical leadership across the day-to-day delivery governance and operational integrity of the Windows infrastructure estate within the programme. You will guide a small team of engineers through complex technical activities steer incident and change management processes and ensure environments remain resilient secure and compliant. You will take ownership of high-priority issues drive technical improvements and represent the infrastructure workstream across programme-level governance forums.

You will balance hands-on engineering with technical direction-setting contributing directly to platform stability while helping build team capability and enabling creative approaches to emerging infrastructure needs. Supported by CGIs collaborative community you will help shape a stable scalable and future-ready service for our client.

Key responsibilities include:

Oversee BAU technical delivery including patching backups configuration changes and service availability.

Provide technical leadership during major incidents owning high-priority issues through to resolution.

Plan & prioritise technical workload promoting knowledge sharing cross-skilling and engineering capability growth.

Represent technical infrastructure interests in change boards architecture reviews and governance forums.

Maintain adherence to change incident and documentation processes in line with CGI and client standards.

Provide technical direction for new initiatives balancing operational continuity with evolving programme needs.

Contribute hands-on across technologies such as VMware Hyper-V SQL CI/CD pipelines PowerShell and Bash.

Required qualifications to be successful in this role:

To succeed in this role you will bring strong experience in infrastructure operations leadership within technical teams and a proven ability to manage complex multi-environment estates. You will be confident navigating incident change and governance processes while delivering hands-on engineering expertise.

You should have:

Extensive experience supporting and leading Windows-based infrastructure estates.

Strong technical capability across VMware Hyper-V SQL and automation tooling.

Proficiency in scripting (PowerShell and/or Bash).

Proven experience leading incident response and resolving complex technical issues.

Demonstrable ability to coordinate and mentor a small engineering team.

Experience operating within structured change and governance frameworks.

Ability to engage effectively with stakeholders across technical and programme domains.

Willingness to travel occasionally to Leatherhead Reading Chippenham and Bridgend.


#LI-SB2

Skills:

• Incident Response
• Leadership
• Server - Wintel
• Technical Analysis
• Ansible
• Change Management
• PowerShell
• PowerShell
• Security Infrastructure Supprt

What you can expect from us:

Together as owners lets turn meaningful insights into action.

Life at CGI is rooted in ownership teamwork respect and belonging. Here youll 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. Thats why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our companys strategy and direction.

Your work creates value. Youll 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.

Youll shape your career by joining a company built to grow and last. Youll 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 teamone of the largest IT and business consulting services firms in the world.