System Administrator | Head of IT

System Administrator/Head of IT | Infrastructure, Networks & End-User Support | Linux & Microsoft | Azure | 1st - 3rd Line

Location: Cheltenham, Gloucestershire (Onsite)

Package: £35,000 - £55,000 + Meaningful Bonus + Benefits

Eligibility: Must be able to obtain and maintain UK Government SC clearance - ILR or British Passport

Must Have: Heavy 3rd Line Support | No Sponsorship Available

Due to time constraints you will need to be available to start ASAP 4 weeks maximum

Please only apply if you have commercial experience with all of the following

• Managing internal IT systems across desktop, server, network and cloud environments
• Administering both Linux and Microsoft operating systems
• Using network and systems management tools
• Implementing and maintaining strong security controls across an IT estate
• Installing, configuring and troubleshooting hardware, operating systems, networks and applications
• Producing clear, accurate technical documentation and procedures

Required Tech Stack

Must-have hands‑on experience with the following:

• Microsoft Azure & Azure Active Directory / Entra  (3rd line support level - essential)
• Microsoft 365 & Intune (MDM)
• Windows Server & Linux (Debian/Ubuntu/RHEL or similar)
• Active Directory & Group Policy
• Firewall & network security technologies (e.g. Fortinet, Cisco, Palo Alto or similar)
• VPN and remote access solutions
• Ticketing and ITSM platforms (e.g. Service Now, Jira, Freshdesk or similar)
• Virtualisation (e.g. VMware, Hyper‑V)

The Role

This is a hands‑on System Administrator/Head of IT position in a well‑established technical organisation that values innovation, quality and team culture. You'll own internal IT operations end‑to‑end in an onsite environment, managing infrastructure and security while supporting both internal staff and client‑facing technical remediation work.

Must‑Haves

• Experience managing internal IT systems (end‑user, server, network and cloud)
• Hands‑on administration of Linux and Microsoft environments
• Knowledge of network security and firewall technologies
• Experience with ticketing systems and knowledge‑base tools
• Experience with MDM platforms
• Ability to install, configure and troubleshoot hardware and software
• Excellent communication skills and proactive, service‑focused approach

What You’ll Be Doing

• Manage and support internal IT systems, monitor health/stability, respond to alerts
• Implement security controls and maintain compliance with internal standards
• Assist clients in implementing technical fixes following assessments
• Produce documentation, procedures and supporting materials
• Support colleagues with day‑to‑day IT requirements
• Contribute to continuous improvement initiatives

Hands‑On Experience With

• Office, desktop, server and network administration
• Linux and Microsoft operating systems
• Infrastructure‑as‑a‑service cloud platforms
• Network security and firewall technologies
• VPN / remote access solutions
• Ticketing and knowledge‑base systems
• Mobile device management tooling
• Hardware, operating system and network configuration

Bonus Experience

• Exposure to delivering technical remediation for clients
• Experience with ISO‑aligned processes (e.g. ISO
  27001)
• Microsoft desktop or cloud certifications
• Experience supporting or mentoring junior team members

Important Notes

• This is a fully onsite role in Cheltenham
• Candidates must be eligible for and capable of holding UK Government Security Clearance (SC)
• A hands‑on role with active ownership of internal IT systems

If you match the above criteria and would like a confidential discussion about the role, please get in touch.