Location: Farnborough / Erskine / Newcastle
About the Role
We are looking for an experienced Microsoft Active Directory SME to lead the design, implementation and optimisation of enterprise directory services within secure, high-assurance environments. You will work both strategically and hands-on, supporting a UK secure account and engaging directly with the Tech Lead, Programme Manager and stakeholders on customer sites.
Key Responsibilities
- Lead the architecture, design and evolution of on-premises Microsoft Active Directory environments
- Act as the technical SME, advising on best practices, policies and standards
- Design and implement secure AD architectures (domains, forests, trusts, replication)
- Develop and enforce Group Policy (GPO) strategies
- Deliver identity services integration, including ADFS federation
- Implement tiered administration models, privileged access controls and PAM tooling integration
- Conduct health checks, security assessments and remediation planning
- Support incident resolution and root cause analysis for identity and authentication services
- Produce and maintain design and operational documentation (HLDs, LLDs, runbooks)
Essential Skills and Experience
- Proven experience as an Active Directory Architect or Senior SME
- Deep hands-on expertise in multi-domain/forest AD, Group Policy, DNS and DHCP
- Experience designing and implementing enterprise-scale AD environments
- Strong knowledge of identity security: tiered administration, least privilege, PAWs and PAM
- Knowledge of authentication protocols (Kerberos, NTLM, LDAP, SAML, OAuth)
- PowerShell scripting and automation experience
- Experience integrating AD with security and monitoring tools (e.g. SIEM)
- Excellent stakeholder engagement, communication and documentation skills
- Defence and/or Aerospace sector experience
- Familiarity with JSP series and NCSC guidance
- Microsoft certifications (Identity and Access Administrator, Windows Server)
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SME - Active Directory in Farnborough employer: CodeVerse
As a leading employer in the UK Government secure programme, we offer exceptional opportunities for DV Cleared Architects to thrive in a high-assurance environment. Our commitment to employee growth is reflected in our supportive work culture, where innovation and collaboration are encouraged, and we provide comprehensive training and development resources. Located in Newcastle, our team enjoys a vibrant city atmosphere while contributing to critical national security projects, making this an ideal place for professionals seeking meaningful and rewarding careers.
