Principal Systems Administrator

Company:  Electus Recruitment Solutions
Location: Cheltenham
Closing Date: 07/07/2026
Hours: Full Time
Type: Permanent

Job Description

Principal Systems Administrator | Cheltenham (Hybrid)


Looking for a position where your technical expertise directly impacts a mission-critical sector?

We are seeking a Principal Systems Administrator to deliver advanced technical solutions, shape complex architecture, and provide structural guidance for key infrastructure projects within the defence sector.


This is an opportunity to lead high-level programmes, influence engineering practices, and collaborate closely with senior leadership—all while working within an environment that supports your work-life balance.


The Setup & Location

  • Location: Cheltenham
  • Working Pattern: Hybrid (with up to 25% domestic travel, and occasional international travel)
  • Status: Permanent


Key Responsibilities

  • Technical Leadership: Serve as the Systems Administration Lead on advanced projects and major programmes, guiding team members and advising management.
  • Infrastructure Management: Install, configure, administer, and troubleshoot complex infrastructure, cloud deployments, and application performance.
  • Operational Excellence: Maintain, follow, and disseminate approved operational procedures aligned with ISO20000 and ISO27001 standards.
  • Service Resilience: Participate in a technical roster to support 24/7 services and manage planned out-of-hours infrastructure changes.


Skills & Background Required

We are looking for a strong technical foundation across several of the following areas:

  • Virtualisation & Storage: VMware vSphere 8.0+ and Fibre Channel Storage (Dell / NetApp).
  • Microsoft & Citrix Ecosystem: Windows Server 2019/2022, Exchange, Office 365, Active Directory Federated trusts, Citrix XenApp/XenDesktop, and Citrix NetScaler.
  • Cloud & Automation: AWS or Azure, alongside Linux and Ansible.
  • Databases & Frameworks: MS SQL Server 2019 and familiarity with ITIL, Agile, or Scrum methodologies.
  • Networking: Sound knowledge of TCP/IP, DHCP, DNS, and MPLS.


Security & Nationality Constraints

  • Due to the nature of these projects, Sole British Nationality is required for this position.
  • Candidates must hold, or be fully eligible to obtain and maintain, UK Government security clearance (SC level).


What’s in it for You?

  • Work-Life Balance: Optional compressed working schedule featuring every other Friday off.
  • Financial Rewards: Competitive base salary plus a performance-related annual cash bonus scheme.
  • Future Planning: Up to 8% employer pension contribution via salary exchange.
  • Health & Wellbeing: Comprehensive private medical and dental insurance coverage.
  • Time Off: 25 days annual holiday allowance (plus bank holidays) with the option to buy or sell leave.
  • Family Support: Workplace nursery scheme with a monthly employer contribution.
  • Continuous Growth: Support for professional industry memberships and unlimited access to online learning platforms.


📩 To Apply or Learn More:

If you are ready to take ownership of critical infrastructure and drive next-generation capability, let’s talk.


Click apply to arrange a short, confidential call this week.


You will be represented by a specialist technical recruiter at Electus Recruitment Solutions who will guide you transparently through each stage of the process.


#SystemsAdministrator #InfrastructureEngineer #DefenceJobs #CheltenhamJobs #VMware #Citrix #AWS #Ansible #SCCleared #JobOpportunity #ElectusRecruitment

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