Job Vacancy Senior Infrastructure Architect

In this role, you will take ownership of defining, validating and communicating infrastructure architectures across bids, deals and projects. Acting as the link between Solution Architects, development teams, business stakeholders and project management, you’ll translate requirements into logical infrastructure models, component specifications and detailed designs that can be successfully implemented.

You’ll lead infrastructure thinking while drawing on expertise from CGI colleagues, suppliers and specialist teams. You’ll have the opportunity to explore new technologies, challenge assumptions and recommend approaches that improve performance, scalability and value. You’ll also support colleagues through mentoring and knowledge sharing, contributing to a collaborative environment where technical expertise can develop and thrive.

• Architect & Define – Develop logical infrastructure models, component specifications and detailed designs aligned with the overall solution architecture.

• Lead & Influence – Act as the focal point for infrastructure design and provide clear technical direction across multidisciplinary teams.

• Assess & Innovate – Evaluate current and emerging technologies, advising on suitability, price, performance and potential business benefits.

• Align & Advise – Ensure infrastructure decisions support client objectives while managing stakeholder expectations throughout delivery.

• Assure & Review – Support formal and informal technical reviews to maintain the quality and integrity of infrastructure designs.

• Manage & Mitigate – Own infrastructure concerns and architectural decisions, contributing to technical risk management and mitigation.

• Optimise & Scale – Address non-functional requirements including availability, scalability, capacity and performance.

• Plan & Estimate – Consolidate infrastructure effort and cost estimates from teams, suppliers and subcontractors.

• Coordinate & Deliver – Work closely with project managers and specialist architects to coordinate resources and support successful delivery.

• Mentor & Develop – Share architectural expertise and support the professional development of colleagues.

Required qualifications to be successful in this role

You’ll bring strong experience designing enterprise infrastructure solutions and the ability to turn complex business and technical requirements into clear, implementable architectures. You should be comfortable owning architectural decisions, influencing stakeholders and balancing quality, performance, commercial considerations and risk while working collaboratively across technical and delivery teams.

• Strong experience as an Infrastructure Architect or in a comparable infrastructure architecture role.

• Proven ability to develop logical infrastructure models, component specifications and detailed designs.

• Strong knowledge of enterprise infrastructure architecture principles, patterns and standards.

• Experience translating business and solution requirements into implementable infrastructure designs.

• Strong understanding of non-functional requirements, including availability, scalability and performance.

• Proven experience identifying, assessing and mitigating infrastructure risks and technical concerns.

• Ability to review and assure technical designs against requirements and architectural standards.

• Experience supporting technical planning, change governance and delivery across the project lifecycle.

• Strong stakeholder management skills with the ability to communicate architectural decisions clearly.

• Experience assessing current and emerging technologies, including their cost, performance, benefits and risks.

• Ability to develop reliable infrastructure effort and cost estimates using input from technical teams, suppliers and subcontractors.

• Experience working effectively with technology vendors and specialist partners.

• Strong technical leadership, mentoring and knowledge-sharing capabilities.

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