Technical Infrastructure Architect (DV Security Clearance)

Job Description

At CGI, we empower architects to shape the future of secure digital transformation. As a Technical Architect, you will design and deliver a next generation, on premise identity solution that underpins the resilience and security of our clients' most critical systems. You will help define and implement a scalable, future ready access management platform that ensures seamless connectivity and trust across complex environments. This is an opportunity to take ownership of a greenfield solution that drives real world impact, harnessing creativity and technical excellence to keep CGI's clients ahead in an evolving digital landscape.

Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance.

Benefits include a competitive salary, excellent pension, private healthcare and a share scheme (3.5% + 3.5% matching). The company values diversity and inclusion.

Your future duties and responsibilities include:

• Lead & Innovate: Drive the design and architecture of a new on premise identity solution using Windows Server 2022, Active Directory and ADFS.
• Develop & Deliver: Define technical standards, principles and direction for a secure IAM environment.
• Mentor & Support: Guide engineering teams through build and deployment phases, ensuring alignment with design intent.
• Integrate & Secure: Design and configure federation services, SSO and RBAC models aligned to business needs.
• Collaborate & Govern: Partner with security, networking and application teams to ensure smooth integration and operational readiness.
• Document & Communicate: Produce comprehensive architecture documentation and provide ongoing governance for solution stability and compliance.

Qualifications and experience required:

You should have strong experience architecting and delivering Microsoft based identity solutions in secure or regulated environments, with proven expertise in Active Directory, ADFS and federation technologies. You will bring both strategic thinking and hands on technical depth, with excellent communication skills and a collaborative approach to problem solving.

Essential skills and experience:

• Extensive experience as a Solution or Technical Architect specialising in Microsoft identity solutions.
• Proven track record delivering greenfield IAM environments.
• Deep expertise in Windows Server 2022, Active Directory and ADFS configuration.
• Strong knowledge of SAML, OAuth 2.0 and OpenID Connect federation models.
• Experience designing and implementing SSO and RBAC frameworks.
• Solid understanding of networking fundamentals (DNS, routing, firewalls, load balancing).
• Proven leadership and mentoring experience with engineering teams.
• Strong documentation, communication and stakeholder engagement skills.

Desirable:

• Microsoft Certified: Identity and Access Administrator Associate or Solutions Architect Expert.
• Experience with hybrid identity integration and PowerShell automation.
• Prior experience in Defence or secure government environments.