Principal Systems Administrator

Principal Systems Administrator
Take ownership of core infrastructure design and technical guidance within a critical sector where your expertise ensures system resilience. This position allows you to drive advanced infrastructure projects and influence engineering practices while collaborating with senior management to deliver robust technical research. You will be able to shape complex architecture and guide technical teams in an environment that values structural stability and long term career progression.

Essential requirements

Proven background providing technical guidance and infrastructure administration at a senior level.
Sole British nationality is required due to the nature of the projects.
Eligibility to obtain and maintain UK Government security clearance.
Domain experience within the defence or high security infrastructure sector.
Your package

Performance related annual cash bonus scheme.
Up to 8% employer pension contribution via salary exchange.
Comprehensive private medical and dental insurance coverage.
The work

Act as the systems administration lead on advanced projects and major programmes.
Install, configure, administer and troubleshoot complex infrastructure and application deployments.
Apply subject matter expertise to provide technical recommendations to management and guide team members.
Participate in a technical roster to support the delivery of resilient services and manage planned infrastructure changes.
Maintain and disseminate approved operational procedures aligned with industry security standards.
Skills and background

Comprehensive knowledge of VMware vSphere 8.0 or above alongside Fibre Channel storage technologies.
Strong capabilities with Microsoft OS 2019 and 2022, Exchange, Office 365 and Active Directory Federated trusts.
Experience with Citrix XenApp, XenDesktop and Citrix Netscaler.
Technical capability with cloud environments such as Amazon Web Services or Azure.
Practical knowledge of Linux environments and Ansible automation tools.
Familiarity with SQL Server administration and project frameworks including ITIL, Agile or Scrum.
Benefits and balance

Here is how this employer helps you thrive:
Optional compressed working schedule providing every other Friday off.
Twenty five days annual holiday allowance with the option to buy or sell leave.
Workplace nursery scheme with a monthly employer contribution.
Support for industry memberships alongside unlimited access to global online learning platforms.
Location and setup

This position is based in Cheltenham and operates on a hybrid working pattern.
The role requires travel within the United Kingdom up to 25% of the time, with occasional international travel to regional offices.

Share your profile to arrange a short confidential call this week.

You will be represented by a specialist technical recruiter who will guide you through each stage of the process.

Due to the nature of work at our client’s site, these vacancies are only open to British Citizens who hold SC clearance or can obtain it.

This is a permanent role.

Electus Recruitment Solutions provides specialist engineering and technical recruitment solutions to high technology industries. Thank you for your interest. If you do not hear from us within seven working days, please presume your application has been unsuccessful on this occasion. You may resubmit your CV or details in the future, and we shall assess your suitability then