Linux Infrastructure Engineer

Job description

CGI UK Careers – Your mission found here

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Position Description:

CGI is seeking a talented Linux Infrastructure Engineer to help shape and strengthen the resilient, high-availability platforms that power some of our most critical services. In this role, you'll play a key part in architecting secure, scalable, and automated Linux environments that drive meaningful impact for clients across our Space, Defence & Intelligence business. You’ll work collaboratively with experts, apply creative problem-solving to complex challenges, and take real ownership of solutions that enable long-term transformation. This is an opportunity to build future-ready infrastructure while growing your career in a supportive, innovative environment.

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 you’ll be part of an open, friendly community of experts. We’ll 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 the highest level of UK Security Clearance or be eligible to go through this clearance.

Your future duties and responsibilities:

In this role, you will design, build, and optimise Linux infrastructure that enables robust, scalable, and secure services for a range of mission-critical environments. You will take ownership of end-to-end engineering activities, applying automation and containerisation to streamline delivery while working collaboratively across teams to enhance performance, resilience, and operational efficiency.

You’ll contribute to modernisation initiatives that strengthen system reliability, supporting long-term growth and continuous improvement. With access to a supportive community and freedom to innovate, you’ll play a key role in advancing platform capabilities and ensuring exceptional client outcomes.

Key Responsibilities

Design & Build: Deliver resilient Red Hat and Rocky Linux infrastructure for enterprise-grade systems.

Automate & Optimise: Implement automation and configuration management using Ansible to enhance consistency and efficiency.

Orchestrate & Scale: Manage Kubernetes environments to support scalable, fault-tolerant application deployments.

Secure & Protect: Support object storage, backup strategies, disaster recovery planning, and continuity processes.

Develop & Deliver: Contribute to CI/CD pipelines and IaC solutions using Python, Bash, and related tooling.

Required qualifications to be successful in this role:

To succeed in this role, you should bring strong Linux engineering expertise, a passion for automation, and experience supporting secure and scalable platforms. You’ll be comfortable working with containerisation, configuration management, and scripting to drive system reliability and operational excellence.

Essential qualifications

Strong hands-on experience with Red Hat and/or Rocky Linux administration

Proficiency with automation and configuration management, ideally Ansible

Experience with Kubernetes or other container orchestration platforms

Understanding of object storage, backup, and recovery processes

Practical scripting skills using Python and/or Bash

Experience contributing to CI/CD pipelines and infrastructure-as-code practices

Ability to work collaboratively across teams in secure, high-availability environments

Skills:

·  BASH
·  Linux
·  Ansible
·  Kubernetes
·  Python

What you can expect from us:

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.