Linux Infrastructure Engineer (SC Clearance)

Position Description:

At CGI you will play a key role in designing and operating secure high-performance Linux-based infrastructure that supports mission-critical systems across the Space Defence and Intelligence sector.

As a Linux Infrastructure Engineer you will build resilient scalable platforms that enable innovation and operational excellence. Working with advanced technologies and expert teams you will take ownership of complex challenges apply creative solutions and grow your career within a collaborative and supportive environment.

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.

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 position will be based on site near Gloucester 5 days a week.

Your future duties and responsibilities:

In this role you will architect deploy and maintain secure Linux-based infrastructure ensuring high availability performance and scalability across complex environments. You will take ownership of infrastructure automation containerised platforms and system optimisation supporting both project delivery and operational excellence.

Working closely with multidisciplinary teams you will contribute to building resilient systems improving deployment pipelines and driving continuous improvement. You will bring innovative thinking to infrastructure challenges while being supported by a collaborative and expert-led environment.

Design & Deploy Linux-based infrastructure across enterprise environments

Automate & Optimise systems using configuration management and scripting

Orchestrate & Manage containerised platforms using Kubernetes

Build & Maintain infrastructure-as-code and CI/CD pipelines

Manage & Enhance storage solutions backup and disaster recovery processes

Monitor & Improve system performance reliability and scalability

Collaborate & Deliver with cross-functional teams to support mission-critical systems

Required qualifications to be successful in this role:

You should have strong experience managing Linux infrastructure within enterprise or secure environments with a focus on automation scalability and reliability. A solid understanding of containerisation and infrastructure-as-code practices is essential.

You should have strong experience with Linux distributions such as Red Hat or Rocky Linux

Proficiency in scripting and automation (e.g. Python Bash Ansible)

Experience with containerisation and orchestration tools such as Kubernetes

Knowledge of infrastructure-as-code and CI/CD practices

Experience managing storage solutions and backup/recovery processes

Strong troubleshooting and system optimisation skills

Familiarity with data tools such as NiFi (desirable)

Experience working in secure or regulated environments (advantageous)

#LI-SB2

Skills:

• BASH
• Kubernetes
• Linux
• Python
• Ansible
• Hadoop Ecosystem (Nifi)

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.