Solution Architect - IAM Platform

• Lead the end-to-end design of an on-premise identity solution using Microsoft Windows Server 2022, Active Directory (AD), and Active Directory Federation Services (ADFS).
• Take ownership of the solution architecture, setting technical direction, standards, and design principles for the new identity environment.
• Lead and mentor engineers throughout implementation and support phases, ensuring high-quality delivery aligned with architectural intent.
• Design and configure federation services with other on-premise identity providers to enable secure and seamless authentication across systems.
• Develop and implement Single Sign-On (SSO) and Role-Based Access Control (RBAC) models aligned with business and security requirements.
• Collaborate with stakeholders across security, networking, infrastructure, and application teams to ensure integration and operational readiness.
• Produce comprehensive architecture and design documentation, including diagrams, design decisions, and operational guidelines.
• Provide technical governance and support for the solution post-deployment, ensuring ongoing stability, scalability, and compliance.

Technologies:

• Active Directory
• Architect
• IAM
• Support
• Load Balancing
• OAuth
• OpenID
• RBAC
• SAML
• Security
• Windows
• PowerShell, We are a global IT consultancy delivering digital transformation to the MoD, and we are seeking an experienced Solution Architect or Technical Architect to lead the design and delivery of a greenfield on-premise identity solution. This role will involve defining, architecting, and guiding the implementation of a secure, scalable, and resilient identity and access management (IAM) platform.

We look for candidates who are strategic thinkers with strong attention to detail and technical rigor. You should be a confident leader capable of driving design decisions and influencing technical direction, all while maintaining a collaborative approach to problem-solving and stakeholder engagement. If you are passionate about designing secure, efficient, and future-ready identity solutions, we encourage you to apply.

• Experience working in Defence.
• Extensive experience as a Solution Architect or Technical Architect specializing in Microsoft-based identity solutions.
• Proven ability to design and deliver new, greenfield identity and access management environments.
• Deep expertise in Windows Server 2022 and Active Directory architecture and management.
• ADFS configuration, federation trusts, and claims-based authentication.
• Federation with on-premise identity providers using industry standards such as SAML, OAuth 2.0, and OpenID Connect.
• Strong background in SSO design, RBAC implementation, and identity governance.
• Solid understanding of networking fundamentals, including DNS, routing, firewalls, and load balancing as they relate to identity infrastructure.
• Experience providing technical leadership to engineering teams, including mentoring and code or configuration reviews.
• Excellent communication and documentation skills, capable of engaging with both technical and business stakeholders.