About this role
Salary: £? - ? per year
Requirements
- Proven third-line Infrastructure or Active Directory engineering experience.
- Strong expertise in either infrastructure engineering or Active Directory, with working knowledge of the other.
- Windows Server 2016 onwards administration.
- VMware vSphere (ESXi/vCenter) and/or Hyper-V experience.
- Active Directory, Group Policy, DNS, and DHCP experience.
- Experience with SAN/NAS, enterprise backup, and disaster recovery.
- Working knowledge of RHEL/Linux administration.
- Familiarity with SCCM, WSUS, and SCOM.
- Good understanding of networking fundamentals, including TCP/IP, DNS, firewalls, and routing.
- Strong troubleshooting and root cause analysis skills.
- Experience working within secure, controlled IT environments.
- Current, valid DV security clearance is essential; candidates without DV clearance cannot be considered.
- Desirable: advanced VMware, Hyper-V, or Azure Local experience.
- Desirable: RHEL hardening and Red Hat Satellite experience.
- Desirable: Windows PKI, Entra ID, AD Connect, or ADFS experience.
- Desirable: Active Directory migrations and server upgrades experience.
- Desirable: PowerShell, Python, or Ansible automation skills.
- Desirable: knowledge of CIS/NCSC security baselines and air-gapped environments.
- Desirable: relevant Microsoft, VMware, Red Hat, or ITIL certifications.
Responsibilities
- Provide third-line support and resolve complex infrastructure and Active Directory issues.
- Administer Microsoft Active Directory, Group Policy, DNS, DHCP, replication, and authentication.
- Support Windows Server 2016 onwards and Red Hat Enterprise Linux.
- Manage VMware vSphere and/or Hyper-V virtualisation environments.
- Support SAN/NAS storage, backup, monitoring, clustering, and disaster recovery.
- Undertake server builds, patching, upgrades, and vulnerability remediation.
- Support infrastructure modernisation and migration projects.
- Perform root cause analysis and manage technical incidents and changes.
- Maintain technical documentation and follow ITIL service management processes.
- Work closely with network, security, desktop, and application teams.
Technologies
- Active Directory
- Ansible
- Azure
- Hyper-V
- Support
- ITIL
- Linux
- Network
- PowerShell
- Python
- RHEL
- Security
- TCP/IP
- VMware
- Windows
- Cloud
More
We are seeking an experienced Infrastructure & Active Directory Engineer for a hands-on third-line engineering role in a secure, business-critical enterprise IT environment. Our established infrastructure includes Windows and Linux servers, virtualisation, storage, backup, monitoring, and Microsoft Active Directory. The role supports critical services and contributes to modernisation, upgrades, and technology lifecycle projects. We have four roles available, based onsite near Basingstoke, on a six-month contract at £80–£87 per hour, inside IR35.
last updated 45 week of 2026