CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the ‘World’s Best Employers’ by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a member 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.
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.
Our roles are only available if you hold a UK Security Clearance and are a sole UK National due to the secure nature of the project. You will either hold a higher level clearance or be willing to obtain it. Any individual without security clearance is welcome to apply and will always be considered for this or wider opportunities in CGI, where appropriate. The position is suitable for some office or home-based work but due to the secure access of systems, this position will require onsite attendance in Gloucester.
Opportunity to be at the forefront of a large-scale cloud transformation programme.
A collaborative, hands-on environment where your input will directly impact project success.
Supportive team culture with scope for upskilling and development in cloud technologies.

YOUR FUTURE DUTIES AND RESPONSIBILITIES

We are seeking a skilled and motivated Software Engineer to support the transition of applications from on-premises infrastructure to the cloud. The primary focus of this role will be on “lift and shift migrations, ensuring that legacy and current applications are moved seamlessly and effectively into a cloud-hosted environment.
Responsibilities:
Play a hands-on role in executing the lift and shift of applications to the cloud.
Collaborate with infrastructure and application teams to ensure readiness for transition.
Identify and resolve issues that could impact successful migration of applications.
Provide support and guidance to other technical team members developing cloud migration capabilities.
Engage in light architectural work to ensure solutions align with both cloud best practices and legacy application constraints.
Document transition approaches, challenges, and resolution paths to inform future migrations.
Work closely with security, operations, and development teams to ensure application functionality and compliance post-migration.

REQUIRED QUALIFICATIONS TO BE SUCCESSFUL IN THIS ROLE

Strong software engineering background, with experience supporting enterprise applications.
Proven experience with cloud platforms such as AWS, Azure, or Google Cloud (AWS preferred).
Demonstrable hands-on experience with lift and shift projects, preferably in a complex, regulated environment.
Solid understanding of networking, storage, and security principles in cloud and hybrid environments.
Experience with containerization, virtual machines, and related deployment strategies.
Ability to diagnose and troubleshoot technical issues related to cloud migration.
Familiarity with on-premises infrastructure, legacy applications, and modernization strategies.
Desirable:
Exposure to scripting and automation tools (e.g., PowerShell, Bash, Python, Terraform).
Basic architectural knowledge to support high-level cloud migration planning.
Experience in mentoring or supporting junior engineers through cloud transition efforts.
Understanding of ITIL or similar service management frameworks.

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