Infrastructure Engineer | Access Management (Security Clearance)
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At CGI, we are building the next generation of secure identity solutions that power critical national infrastructure. As an Identity Solutions Engineer, you will play a pivotal role in designing and deploying a new on‑premise Microsoft‑based identity platform that delivers resilience, scalability, and trust. This is a rare opportunity to shape a greenfield environment that protects essential systems and enables seamless access for thousands of users.
Due to the secure nature of the programme, you will need to hold UK Security Clearance. This role is based at the Chippenham site, 5 days a week.
Key Responsibilities
* Design and deploy a new identity platform using Windows Server 2022, Active Directory, and ADFS.
* Establish and manage federation services and authentication trust relationships.
* Identify opportunities for automation, monitoring, and performance enhancement.
* Collaborate with application, network, and security teams to ensure seamless integration and compliance.
* Provide operational support, including troubleshooting, patching, and system documentation.
Required Qualifications
* Proven track record in Microsoft identity and access technologies, with hands‑on experience building and supporting complex environments.
* Strong technical depth, attention to detail, and ability to work collaboratively in secure, high‑stakes settings.
Essential Skills And Experience
* Extensive experience with Windows Server 2022, Active Directory, and ADFS.
* Strong understanding of identity federation using SAML, OAuth 2.0, and OpenID Connect.
* Proficiency in Single Sign-On (SSO) and Role‑Based Access Control (RBAC) implementation.
* Familiarity with networking, virtualization, and enterprise security principles.
* Experience in Defence, Government, or other secure enterprise environments.
* Excellent communication skills and a proactive, solution‑oriented mindset.
Desirable
* Microsoft Certified: Identity and Access Administrator Associate.
* PowerShell scripting and automation experience.
* Exposure to hybrid identity or cloud integration models.
Life at CGI
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.
Seniority level: Mid‑Senior level. Employment type: Full‑time. Job function: Information Technology.
Location: Chippenham, England, United Kingdom.
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