Identity Solution Engineer - DV Cleared

We are seeking a skilled Identity Solutions Engineer to play a key role in delivering a greenfield on-premise identity solution within a secure defence environment. This position offers an opportunity to work on the full lifecycle of a major identity deployment - from design and implementation through to operational support. The successful candidate will work closely with the Solution Architect to build, configure, and maintain a secure, scalable, and resilient identity infrastructure based on Microsoft technologies., * Implement and configure an on-premise identity solution based on Microsoft Windows Server 2022, Active Directory (AD), and Active Directory Federation Services (ADFS). * Work from detailed solution designs to deploy and integrate identity components, ensuring performance, resilience, and compliance with security standards. * Configure and maintain federation services with other on-premise identity providers, supporting secure authentication and trust relationships. * Implement Single Sign-On (SSO) and Role-Based Access Control (RBAC) in line with architectural requirements. * Collaborate with networking, security, and application teams to ensure seamless integration with dependent systems. * Develop and maintain comprehensive technical documentation, including configuration guides and deployment procedures. * Participate in testing, validation, and transition to operations, ensuring readiness for live support. * Provide ongoing operational support, including incident resolution, change management, patching, and performance optimisation. * Drive continuous improvement, identifying opportunities for automation, hardening, and enhanced monitoring of identity services.

Previous experience working in a Defence or National Security environment. * Proven background as an Identity Engineer, Infrastructure Engineer, or Systems Administrator with a focus on Microsoft identity technologies. * Strong, hands-on experience in: * Windows Server 2022 installation, configuration, and management. * Active Directory design, replication, Group Policy, and security configuration. * ADFS deployment and configuration, including claims-based authentication and trust establishment. * Federating with on-premise identity providers using SAML, OAuth 2.0, and OpenID Connect. * Solid understanding of SSO, RBAC, and secure authentication practices. * Good knowledge of networking fundamentals (DNS, routing, load balancing, firewalls) and their impact on identity services. * Experience supporting complex enterprise environments and troubleshooting identity-related issues. * Familiarity with on-premise virtualisation technologies such as VMware Cloud Foundation and private cloud infrastructures. Desirable Skills * Microsoft Certified: Identity and Access Administrator Associate (or equivalent certification). * Experience with PowerShell scripting for automation and operational efficiency. * Familiarity with monitoring and alerting tools for AD and ADFS. * Exposure to hybrid identity models integrating on-premise and cloud systems. * Strong attention to detail and methodical documentation practices. * Proactive, collaborative, and security-focused approach to delivering stable identity systems.