Head of IT | Senior System Administrator | Hands-on Full Time

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



Location: Cheltenham, Gloucestershire (Onsite)

Package: £45,000 – £50,000 + 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

🚨 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 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.