Senior Software Engineer - SC Cleared

Senior Software Engineer - SC Cleared

Position Description
At CGI, we’re shaping the future of secure digital services by designing innovative, resilient technology solutions that deliver lasting value for our clients. As a Senior Software Engineer, you’ll play a pivotal role in defining technical direction, modernising complex environments and delivering cloud and on-premises solutions that support critical business outcomes. You’ll have the freedom to influence architectural decisions, explore creative approaches and take ownership of meaningful technical challenges.

Working alongside collaborative teams and experienced specialists, you’ll help drive continuous improvement, strengthen security and shape future capabilities. With access to CGI’s global expertise and a supportive culture that encourages professional growth, you’ll have the opportunity to make a tangible 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 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 UK Security Clearance or be eligible to go through this clearance.

Your future duties and responsibilities
In this role, you will take ownership of architectural design and technical direction, shaping secure, scalable and efficient solutions across cloud and on-premises environments. You’ll work closely with clients, technical teams and key stakeholders to translate business requirements into practical technology capabilities, ensuring alignment with strategic objectives, security standards and organisational policies.

- Lead/support technical elaboration/design of cloud and on premises solutions
- Arbitrate on key architectural decisions and technical direction
- Identify, prioritise and manage technical debt, FinOps optimisation opportunities and SecOps improvements
- Establish and maintain technical governance throughout the product lifecycle
- Engage with Information Assurance, Policy, Information Management and other stakeholders to ensure compliance with legal, regulatory and organisational requirements
- Shape and deliver capabilities aligned with the technical strategy and roadmap
- Coordinate and lead technical incident response activities, ensuring effective resolution and continuous improvement
- Contribute to and support wider client initiatives as required
- Support requirements gathering and shaping of new/existing capabilities.

Required qualifications to be successful in this role
- Architecture Experience: Proven experience in software or solution architecture at SFIA Level 4 or 5, with the ability to lead or support complex technical design activities.
- Cloud & On-Premises Technologies: Strong understanding of cloud and traditional infrastructure architectures, including integration, security and scalability considerations.
- Technical Leadership: Demonstrated ability to influence architectural decisions, provide technical guidance and resolve complex design challenges.
- Security & Compliance: Understanding of secure solution design, technical governance, information assurance and regulatory compliance.
- Continuous Improvement: Experience identifying technical debt and opportunities to improve system performance, security, efficiency and cost effectiveness.
- Stakeholder Engagement: Strong communication and collaboration skills, with the ability to engage technical and non-technical stakeholders.
- Incident Management: Experience supporting technical incident resolution, root-cause analysis and service improvement.
- Security Clearance: Current UK Security Check (SC) clearance or eligibility to obtain it, with Developed Vetting (DV) clearance desirable.
- Location: Based in Gloucestershire or within a commutable distance.

#LI-JK1

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.

That same commitment to fairness extends to how we use technology. To support our recruitment team, AI tools may be used to help assess applications though they never replace human judgement. All hiring decisions remain entirely in the hands of our recruitment professionals.

Come join our team—one of the largest IT and business consulting services firms in the world.