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 ID (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. ServiceNow, 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. ISO27001)
* 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.
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