Principal Infrastructure Engineer- Cheltenham-Permanent (flexible work patterns available) - Up to -80,000

About the Opportunity

This is an exciting opportunity for an experienced Principal Systems Administrator to play a key role in the design, delivery, and support of critical enterprise infrastructure within a highly secure and technically complex environment.

Working as part of a skilled infrastructure team, you will provide technical leadership, contribute to strategic projects, and ensure the reliability, security, and performance of core business systems. This role offers the chance to work with a broad range of technologies while influencing technical direction and supporting business-critical services.

Key Responsibilities

• Provide technical leadership and subject matter expertise across infrastructure and systems administration functions.
• Design, implement, administer, and support enterprise systems and platforms.
• Lead and contribute to complex infrastructure projects and service improvements.
• Troubleshoot and resolve advanced technical issues across multiple technology domains.
• Support the delivery of highly available services, including participation in an on-call rota and out-of-hours change activities.
• Collaborate with internal teams and third-party vendors to maintain and enhance critical applications and infrastructure.
• Contribute to service planning, operational excellence, and continuous improvement initiatives.
• Ensure compliance with established operational procedures, security requirements, and industry standards, including ISO20000 and ISO27001.
• Provide guidance and mentoring to other technical team members where required.

Required Skills and Experience

You will have a strong technical background across several of the following areas:

• VMware vSphere 8.0 or later
• Windows Server 2019/2022 administration
• Microsoft Exchange and Microsoft 365
• Active Directory and Federated Trusts
• Citrix XenApp, XenDesktop, and NetScaler
• Fibre Channel storage technologies, including Dell NetApp solutions
• Amazon Web Services (AWS) and/or Microsoft Azure
• SQL Server administration and database concepts (SQL Server 2019)
• Public Key Infrastructure (PKI) and Certificate Authority administration
• Linux system administration
• Ansible automation
• Enterprise networking fundamentals including TCP/IP, DNS, DHCP, and MPLS

What''s on Offer

• Flexible hybrid working arrangements.
• Optional compressed working schedule with every other Friday off.
• Private healthcare.
• Performance-related bonus opportunities.
• Ongoing training and career development.
• Opportunity to work on challenging and impactful projects within a secure, mission-focused environment.

Eligibility

Due to the nature of the work, applicants must be sole UK nationals.

If this role is of interest please get in touch