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Software Engineer – Space, Defence & Intelligence
CGI, recognised in the Sunday Times Best Places to Work List 2025 and named one of Forbes’ ‘World’s Best Employers’, offers a competitive salary, excellent pension, private healthcare, and a share scheme (3.5% + 3.5% matching). We are committed to inclusivity, building a diverse tech talent community, and inspiring careers in our sector.
About the Role
Our Space, Defence and Intelligence business unit delivers contemporary and innovative technical solutions for government agencies tackling their most complex challenges. We design, build, and operate mission-critical, technically complex systems that ensure our clients—and society—remain safe and secure.
We are seeking an experienced Software Engineer to join our cross-functional team, collaborating with clients to define, guide, and assure the delivery of integrated solutions. This role offers an exciting opportunity within a highly rewarding environment, growing your expertise with structured learning and development.
While we prefer candidates who meet all requirements, we also consider highly skilled individuals who fulfil most criteria.
Security Clearance Requirement
Due to the sensitive nature of the project, candidates must either currently hold or be eligible for UK security clearance. Eligibility criteria include:
- Sole British nationality
- Resided in the UK for the past 10 years
- No more than 28 consecutive days spent outside the UK in the last five years
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Candidates without current clearance may still apply, as we will explore alternative opportunities where applicable.
Location & Hybrid Work
This role is primarily based on a secure client site, requiring 5-day-per-week attendance. Flexibility may occasionally be granted, but arrangements must align with security constraints—approved in advance with the project team.
Responsibilities
- Contribute to cutting-edge software projects supporting mission-critical operations.
- Play a key role in designing, developing, and delivering advanced software capabilities, ensuring resilience, security, and performance.
- Implement new features, optimise existing systems, and enhance scalability and usability.
- Handle configuration, integration, and maintenance of complex deployment environments.
- Support live system changes to ensure continuous, secure delivery.
- Collaborate with architects, stakeholders, and technical experts to develop innovative solutions.
- Foster a problem-solving mindset, adapting to evolving client needs with precision and creativity.
Technical Requirements
We seek Software Engineers with expertise in one or more technologies, supporting full-stack development or deep specialisation (e.g., Java, C++, or Python-focused).
Programming Languages
- Java
- Python
- Rust
- JavaScript / TypeScript
- Go
- C++
Frontend Frameworks
- Vue.js (or comparable modern JavaScript frameworks)
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Scripting & Automation
- Bash
- Ansible
DevOps & CI/CD
- Jenkins
- GitLab CI/CD
- Terraform
Cloud & Infrastructure
- AWS (or equivalent)
Testing & Quality
- Cucumber
- SonarQube
Monitoring & Logging
- ELK Stack (Elasticsearch, Logstash, Kibana)
- Grafana
Dataflow & Integration
- Apache NiFi
While applicants need not master every technology, we prioritise a strong software engineering foundation, rapid learning, and a willingness to adapt across the tech stack.
Why Join CGI?
Ownership, innovation, and growth define life at CGI. Here’s how we empower your career and impact:
Be an Owner from Day One
Your contributions shape our company’s strategy, culture, and Direction—you’re a CGI Partner, not just another employee.
Value-creating, Global Opportunities
Develop cutting-edge solutions, build relationships, and scale your work globally with industry-leading support.
Career Development for the Future
You’ll thrive with leader-led wellbeing initiatives and continuous skill advancement, ensuring long-term success in tech’s ever-evolving landscape.
Join Our Team
CGI—one of the world’s largest IT and business consulting firms—wants you. Whether you specialise in high-performance systems or embrace a full-stack role, your expertise can shape tomorrow’s solutions today.
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