Infrastructure Architect

At CGI, you'll design the infrastructure that underpins mission-critical solutions for some of the UK's most complex programmes. As an Infrastructure Architect, you'll shape resilient, secure and scalable technology solutions that deliver lasting value for our clients, working alongside multidisciplinary teams to solve challenging business problems. You'll influence technical direction from bid through to delivery, collaborating with experts across CGI to develop innovative infrastructure architectures while mentoring others and helping drive technical excellence. If you're passionate about creating robust solutions and making a tangible impact, you'll find the support, opportunities and ownership to grow your career with us., As an Infrastructure Architect, you will lead the design and assurance of infrastructure solutions that support large-scale bids, programmes and complex client engagements. Working closely with Solution Architects, delivery teams, project managers and stakeholders, you will ensure infrastructure designs are secure, scalable, high performing and aligned with business objectives, technical standards and architectural best practice. You'll play a key role in shaping technical direction, managing architectural risk and ensuring solutions are fit for purpose from design through to delivery. You'll also collaborate with technology partners and suppliers, provide technical leadership across multidisciplinary teams and contribute to the continued development of CGI's architecture capability. By sharing your expertise and mentoring colleagues, you'll help build a culture of continuous improvement and technical excellence. Key responsibilities include:

• Lead & Design robust infrastructure architectures for complex programmes, bids and client solutions.
• Collaborate & Influence Solution Architects, project teams, clients and suppliers to develop effective infrastructure solutions.
• Review & Assure infrastructure designs, ensuring compliance with technical standards, governance and non-functional requirements.
• Manage & Mitigate technical risks relating to availability, scalability, performance and resilience.
• Assess & Recommend emerging technologies, balancing business value, performance and cost.
• Present & Advise senior stakeholders on infrastructure architecture and technical strategy.
• Coordinate & Estimate infrastructure effort, costs and delivery activities across internal teams and partners.
• Support & Mentor colleagues through knowledge sharing, coaching and architectural leadership.
• Maintain & Govern infrastructure decisions, technical risks and architectural documentation.
  
  We're looking for an experienced Infrastructure Architect with a strong technical background and the ability to design enterprise-scale infrastructure solutions. You will be confident engaging with senior stakeholders, balancing technical and commercial considerations, and ensuring infrastructure designs meet both business and operational requirements.
You should have:
• Proven experience designing enterprise-scale infrastructure architectures.
• Strong understanding of infrastructure technologies, architecture frameworks and design best practices.
• Experience producing and reviewing high-quality infrastructure design documentation.
• The ability to communicate complex technical concepts to both technical and non-technical audiences.
• Experience identifying, assessing and mitigating technical and non-technical risks.
• Strong knowledge of availability, scalability, capacity and performance management.
• Experience contributing to solution costing and infrastructure estimates for complex programmes.
• The ability to lead technical reviews and provide architectural assurance.
• Excellent stakeholder management, collaboration and mentoring skills.
  
  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.Discover CGI London, England, United Kingdom > 1000 employees IT services We are a global business with 91,500 professionals across hundreds of locations worldwide, providing end-to-end IT and business process services that drive our clients' businesses. In the UK alone, we have around 6,000 member-partners working across 19 towns and cities, doing everything from writing complex code to designing sophisticated software solutions. The work we do powers some of the most ambitious projects that touch the lives of many. Our approach sets us apart, characterised by our proximity model, international presence, expertise, and operational excellence. We organise our operations within metro markets where our clients have concentrated footprints, empowering our local teams to build trusted, in-person relationships. As you build your career here, you'll develop your skills, share your insights, and work side-by-side with colleagues and clients on innovative solutions that address the most complex issues. Our commitment to ownership, flexibility, and being approachable makes us easy to do business with. Join us, and together, as owners, let's turn meaningful insights into action to meet the needs and balance the interests of our clients, shareholders, communities, and each other. Benefits: - Insurance coverage - Medical benefits - Pension plan - Member Assistant Programme - Check4Cancer - Flexible time off - Share Purchase Plan - Member discounts - Dental benefits - Vision benefits - Profit Participation Plan - Health and Wellbeing Programme

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. This is a hybrid position.