Senior Infrastructure and Directory Services Engineer
28 days ago
Cardiff
Senior Infrastructure & Directory Services Engineer - Defence Programme Location: Caerphilly (with travel to Defence/Ministry of Defence sites as required) Clearance: SC (must hold or be eligible); DV highly desirable Package: £65,000 + Bonus + comprehensive benefits Working Pattern: Hybrid (Mon & Fri optional WFH) This is a fantastic opportunity for you, a Senior infrastructure and Director Services Engineer - or similar, to join a long established, financially robust technology provider with comprehensive experience delivering secure IT solutions across the UK public sector. The Opportunity A major Defence customer is undertaking an extensive programme to build a secure, on?premise, multi domain virtualised infrastructure that underpins mission?critical and operational capabilities. As a Senior Infrastructure & Directory Services Engineer, you will design, implement, and support enterprise services across several secure domains - including Active Directory, identity services, Windows Server, DNS/DHCP, PKI, authentication platforms, and related Microsoft ecosystem components. Key Responsibilities - Architect, manage, and maintain multi?site Active Directory environments - Administer DNS, DHCP, and PKI in secure operational environments - Design and enforce Group Policy Objects (GPOs) - Manage Web Application Proxy (WAP), RDS, and federation services - Ensure alignment with MOD security standards - Participate in design reviews and Change Advisory Boards (CAB) - Work closely with security, cloud, networking, Linux, and virtualisation teams - Monitor performance using Splunk, event logging, and PowerShell automation - Automate tasks using PowerShell (essential) or Ansible (desirable) Essential Skills & Experience - Multi site Active Directory support - Windows Server, DNS, DHCP - GPO design and troubleshooting - PKI and certificate services - Web Application Proxy & RDS - Strong PowerShell scripting - Working in a Defence or Government environment Desirable Skills - Defence sector experience - VMware vSphere, vCenter, ESXi; awareness of NSX?T - SIEM/monitoring experience - Ansible or other automation tools - Linux/Unix integration with AD - Secure WAN technologies (BGP/MPLS/VPN) - Existing SC/DV clearance Qualifications - Microsoft Identity & Access Administrator (or equivalent) - ITIL v4 Foundation or higher - Degree in Computer Science or equivalent experience Personal Attributes - Customer focused and committed to service excellence - Strong ownership and reliability - Willingness to challenge established practices - Driven, proactive, and collaborative If you are a Senior Infrastructure and Director Services Engineer or similar, with a background in Defence, then please send your CV to me today as this will go quickly. TPBN1_UKTJ