Infrastructure Engineer

CGI Group Inc.; Chippenham; On-site; GBP 50,000 - 70,000; Full time

Job summary

A leading technology firm in Chippenham is seeking an experienced professional to design and support a new on-premise identity platform. You will collaborate with various teams to implement secure identity services using Microsoft technologies. The ideal candidate will have extensive experience with Windows Server 2022 and strong skills in identity federation. This role requires UK Security Clearance and offers a supportive team environment focused on ownership and innovation.

Qualifications

• Extensive experience with Windows Server 2022, Active Directory, and ADFS.
• Strong understanding of identity federation using SAML, OAuth 2.0, and OpenID Connect.
• Experience in Defence, government, or other secure enterprise environments.

Responsibilities

• Build and configure a new identity platform using Windows Server 2022.
• Establish and manage federation services and authentication trust relationships.
• Identify opportunities for automation and performance enhancement.

Skills

Experience with Windows Server 2022

Understanding of identity federation using SAML

Proficiency in Single Sign-On (SSO)

Familiarity with networking principles

Communication skills

Tools

PowerShell

Job description

Overview

In this role, you will take ownership of designing, deploying, and supporting a new on‑premise identity platform built on Microsoft technologies. You'll collaborate closely with solution architects, infrastructure teams, and cybersecurity experts to implement secure, scalable, and high‑performance identity services from the ground up. Your work will underpin the stability, security, and accessibility of critical systems—making a tangible impact every day. You’ll bring creativity and problem‑solving to each phase of delivery, helping define technical standards, automate operations, and ensure smooth service transition. Supported by CGI’s collaborative community, you’ll be empowered to drive continuous improvement and shape the long‑term evolution of our identity services.

Key Responsibilities

• Design & Deploy: Build and configure a new identity platform using Windows Server 2022, Active Directory, and ADFS.
• Integrate & Secure: Establish and manage federation services and authentication trust relationships.
• Optimise & Automate: Identify opportunities for automation, monitoring, and performance enhancement.
• Collaborate & Deliver: Work with application, network, and security teams to ensure seamless integration and compliance.
• Support & Evolve: Provide operational support, including troubleshooting, patching, and system documentation.

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, virtualisation, 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.

Location and Clearance

Due to the secure nature of the programme, you will need to hold UK Security Clearance. This role is based on site in Chippenham, 5 days a week.

Life at CGI

Life at CGI is rooted in ownership, teamwork, respect, and belonging. You are invited to be an owner from day 1 as we work together to bring our Dream to life. CGI partners benefit from collective success and actively shape the company’s strategy and direction. Your work creates value as you develop innovative solutions, build relationships with teammates and clients, and access global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise. You will be supported by leaders who care about your health and well-being and provide opportunities to deepen your skills and broaden your horizons.