Job Vacancy Cloud Architect (DV Security Clearance)
Chippenham
CGI
Job position Cloud Architect (DV Security Clearance)
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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, all underpinned by our end-to-end cyber capability. We work collaboratively with global technology companies, cutting edge SMEs and academia to deliver the optimal solution for each client.
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 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. This position will be working out of client sites near Chippenham and Reading.
Candidate profile
You'll collaborate with two experienced cloud architects to deliver comprehensive design solutions and critical supporting artefacts that will shape the digital infrastructure of tomorrow.
Your Responsibilities Will Include:
• Concept Design & Target State Definition
Contribute to the development of high-level migration solutions (Concept Design), working closely with stakeholders to define the future-state architecture and agree on migration scope and strategy.
• High-Level Design (HLD) Creation
Assist in producing comprehensive HLD documentation that captures key system components, integration points, data flows, and security architecture across both the legacy and future-state environments.
• Component-Level Low-Level Design (LLD) Development
Create detailed LLDs covering configurations, cloud services (e.g., compute, storage, networking), identity/access controls, deployment patterns, and integration with legacy systems.
• Legacy System Analysis & Gap Assessment
Evaluate the current system architecture, technology stack, data flows, and operational model to identify gaps, limitations, and cloud readiness. Provide insights that guide migration strategy and phasing.
• Migration Strategy & Roadmap Design
Contribute to a phased, risk-aware migration plan that incorporates rollback procedures, ensures business continuity, and aligns stakeholders throughout the process.
• Technical Documentation Support
Produce and maintain essential artefacts to support the wider project, including RAIDO logs, asset inventories, and service transition plans.
• Collaborative Cross-Functional Engagement
Work in partnership with teams across security, testing, and operations to validate architecture decisions, maintain alignment with governance frameworks, and ensure secure, scalable migration paths.
Required qualifications to be successful in this role
• Hybrid Cloud Solutions Architecture
• Solution Analysis
• Solution Design
• Cloud Migration (Design and/or Delivery)
• Public/Private Cloud Practitioner
• Stakeholder Management
Desirable
• Experience in MOD / Defence Digital environments
• Networking
• Secure by Design Principles
• Service Architecture
#LI-SB2
Working environment
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.
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Cloud Architect (DV Security Clearance)
CGI
