System Administrator

Optimal Ltd
Cheltenham, United Kingdom
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior
Compensation
£ 40K

Job location

Cheltenham, United Kingdom

Tech stack

Cloud Computing
Cloud Engineering
Information Systems
Linux
Microsoft Desktop Optimization Pack
Issue Tracking Systems
Information Technology Operations
Virtual Private Networks (VPN)
Network Security
Microsoft Office
Microsoft Operating Systems
Network Configuration and Change Management
Network administration
Remote Access Technology
Cloud Services
Cloud Platform System
Software Troubleshooting
SC Clearance
Information Technology
Wikis

Job description

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

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

This is an excellent opportunity for a motivated System Administrator to join a well-established, highly reputable technical organisation that prides itself on innovation, quality and a close-knit team culture. You'll become a key part of a company that genuinely invests in its people, encourages new ideas, and gives you the autonomy to shape how internal systems evolve.

The role offers the chance to work in a modern, technology-driven environment where reliability, security and continuous improvement are at the heart of everything they do. You'll be hands-on across infrastructure, networks, platforms and end-user support, while also contributing to a growing technical service offering that helps clients strengthen their systems.

If you're looking for a role where you can take real ownership, work with modern technologies, and be part of a supportive team that values technical excellence - this is a great opportunity., * Exposure to delivering technical remediation or improvement work for clients following technical assessments

  • Experience collaborating with assessment or consultancy teams to turn findings into practical actions
  • Prior involvement with ISO-aligned processes (e.g. ISO27001)
  • Microsoft desktop or cloud certifications
  • Experience supporting or mentoring junior team members

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 and updates

What You'll Be Doing

Infrastructure & Systems Administration

  • Manage and support internal IT systems across the organisation
  • Monitor the health, stability and security of the IT estate and respond to alerts
  • Maintain performance and resilience of core internal platforms
  • Implement appropriate security controls and help ensure systems remain compliant with internal standards
  • Keep IT processes and procedures fully documented and up to date

Service Quality & Remediation Delivery

  • Assist clients in implementing technical fixes and improvements following technical assessments
  • Deliver hands-on technical remediation work where required
  • Produce documentation, templates and supporting materials for service delivery and reporting
  • Translate technical findings into practical, actionable remediation tasks
  • Provide clear, high-quality documentation for delivery, project management, sales activity and client needs

Collaboration & Stakeholder Support

  • Work closely with internal staff to support their day-to-day IT requirements
  • Liaise with technical teams to streamline delivery of remediation and improvement activities
  • Support leadership with continuous improvement initiatives across IT and related services
  • Contribute to the development of scalable processes and frameworks as service demand grows

Requirements

  • Previous commercial experience in a System Administrator or IT Administrator role
  • Background in IT, computer science, information systems or equivalent hands-on experience
  • Experience supporting office, network, server and cloud environments
  • Familiarity with infrastructure-as-a-service platforms
  • Experience with:
  • Linux and Microsoft environments
  • Commercial ticketing systems
  • Wiki / knowledge-base platforms
  • Mobile Device Management (MDM) solutions
  • Network security and firewall technologies
  • Remote access technologies
  • Ability to identify and respond to security-related issues and incidents
  • Strong troubleshooting and diagnostic skills across hardware, software and networks

Very Important Notes

  • This is a fully onsite position based in Gloucestershire
  • Occasional travel to other UK client sites is required (fully expensed)
  • Candidates must be eligible for and capable of holding UK Government Security Clearance (SC)
  • This is a hands-on role with active ownership of internal IT systems (not suitable for remote-only or purely strategic profiles)
  • You will help maintain and document processes aligned to recognised standards

Must-Haves

  • Experience managing internal IT systems (end-user, server, network and cloud)
  • Hands-on administration of Linux and Microsoft environments
  • Experience with server, desktop, network and cloud support
  • Knowledge of network security and firewall technologies
  • Experience using ticketing systems and knowledge-base tools
  • Experience with MDM platforms
  • Ability to install, configure and troubleshoot hardware and software
  • Experience maintaining documentation, procedures and system records
  • Excellent communication skills and a proactive, service-focused approach, * A reliable, hands-on System Administrator with solid technical breadth
  • Someone comfortable owning internal IT operations end-to-end in an onsite environment
  • A problem-solver who enjoys getting into the detail of technical issues and seeing them through to resolution
  • A clear communicator who can support colleagues at all levels of the organisation
  • Someone organised, diligent and security-aware, with a strong sense of ownership and accountability
  • A motivated individual who values being part of a close-knit, onsite technical team

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