At a Glance
- Tasks: Design, build, and operate secure cloud infrastructure while optimising for performance and cost.
- Company: Join CGI, a leading IT and business consulting firm recognised for its inclusive culture.
- Benefits: Competitive salary, private healthcare, pension scheme, and share options.
- Other info: Collaborative environment with opportunities for career growth and skill development.
- Why this job: Make a real impact on mission-critical systems that keep the nation safe.
- Qualifications: Experience in Site Reliability Engineering or DevOps with strong automation skills.
The predicted salary is between 63000 - 77000 £ per year.
We are seeking experienced Site Reliability Engineers to join our cross-functional teams supporting secure, cloud-based and big-data platforms.
Working closely with clients and internal delivery teams, you will help design, build, operate, and continuously improve highly reliable, scalable systems within a secure environment.
Due to the nature of the work, this role requires onsite attendance and applicants must be solely UK Nationals (not dual nationals and not visa holders) with existing HMG DV / HLC clearance.
- Your future duties and responsibilities
- Architect, build and operate cloud infrastructure
- Design and deliver secure, scalable, fault-tolerant infrastructure across AWS (and potentially Azure/GCP), optimised for performance, availability, and cost.
- Support and operate live systems
- Maintain deployment environments, support production systems, and manage changes to live services in mission-critical environments.
- Technology stack
- Languages & Scripting: Java, Python, Go, Java Script (Type Script), Bash
- Frontend: Vue
- CI/CD & Automation: Jenkins, Git Lab CI, Ansible, Cucumber
- Cloud & Platforms: AWS, Open Shift, Linux
- Infrastructure as Code: Terraform
- Data & Streaming: Apache Ni Fi
- Monitoring & Logging: Grafana, ELK Stack, Sonar Qube
- Version Control: Git Lab
- Automation & Infrastructure as Code (Ia C)
- Automate infrastructure provisioning, configuration, and CI/CD pipelines using Terraform, Ansible, Cloud Formation, and scripting languages.
- CI/CD & Platform Engineering
- Build, maintain, and improve CI/CD pipelines using Jenkins, Git Lab CI/CD, and related tooling.
- Monitoring, reliability & optimisation
- Implement and manage monitoring, logging, alerting, and performance optimisation using tools such as Grafana, ELK Stack, Cloud Watch, Prometheus, and Sonar Qube.
- Security & compliance
- Implement IAM, encryption, network controls, and secure configurations in line with government and industry standards (e. g. GDPR, ISO 27001).
- Disaster recovery & resilience
- Design and test backup, disaster recovery, and self-healing strategies to ensure system reliability and availability.
- Collaboration & documentation
- Work closely with development, Dev Ops, security, and operations teams; produce runbooks, architecture documentation, and knowledge-sharing materials.
CGI's Space, Defence and Intelligence business unit delivers innovative, mission-critical solutions to some of the UK government's most complex and challenging problems.
We design, build, and operate bespoke, secure systems that help keep the nation safe and secure.
Our work spans cloud, on-prem, and hybrid environments, underpinned by strong cyber and engineering best practices.
- Required qualifications to be successful in this role
- Proven experience as a Site Reliability Engineer, Dev Ops Engineer, or similar role supporting cloud-based or secure systems
- Strong automation and scripting skills (Python, Bash, Go, or similar)
- Hands-on experience with CI/CD pipelines (Jenkins, Git Lab CI/CD, etc.)
- Strong knowledge of Infrastructure as Code (Terraform, Cloud Formation, Ansible)
- Solid understanding of AWS and cloud-native architectures
- Experience with Linux-based environments and production troubleshooting
- Familiarity with containerisation and orchestration (Open Shift or Kubernetes)
- Experience with monitoring, logging, and observability tools
- Comfortable supporting live services in production environments
- Strong communication skills and a proactive, problem-solving mindset
- Skills: English
- Git Lab
- Cloud Native Development
- 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.
Position Description
CGI was recognised in the Sunday Times Best Places to Work List 2025 and named one of the World's Best Employers by Forbes.
We offer a competitive salary, excellent pension, private healthcare, and a share scheme (3.5% + 3.5% matching), making you a CGI Partner rather than just an employee.
We are committed to inclusivity and building a genuinely diverse community of technology professionals.
Site Reliability Engineers (DV Security Clearance) in Gloucester employer: CGI Group Inc.
At CGI, we pride ourselves on fostering a culture of ownership and collaboration, where every team member is valued as a partner from day one. Located in Leatherhead, our supportive environment encourages continuous learning and innovation, providing ample opportunities for professional growth while working on impactful projects in the Space, Defence and Intelligence sector. With competitive benefits, including private healthcare and a share scheme, CGI is committed to your well-being and career development, making it an exceptional place to thrive.
StudySmarter Expert Advice🤫
We think this is how you could land Site Reliability Engineers (DV Security Clearance) in Gloucester
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We think you need these skills to ace Site Reliability Engineers (DV Security Clearance) in Gloucester
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at CGI Group Inc..
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at CGI Group Inc. and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at CGI Group Inc.
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If CGI Group Inc. uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
