Haystack
← Back to Jobs
Full time
Technology

Infrastructure Engineer - eDV Cleared

NSDCheltenham, Gloucestershire🇬🇧United KingdomPosted 17 Jul 2026

Why This Role Stands Out

This role offers a fantastic opportunity to contribute to vital national security programs, developing your expertise within a secure and mission-critical environment. You'll thrive here if you possess active eDV clearance and a passion for maintaining and enhancing complex enterprise infrastructure, making this an excellent chance to advance your career. Apply today to join a collaborative team dedicated to supporting sensitive technology initiatives.

Quick Overview

Salary
£55k/yr
Work Type
On Site
Schedule
Full Time
Level
Mid Senior

Job Description

Senior Infrastructure Engineer - eDV Cleared

Cheltenham (Full-Time Onsite)
Salary: Up to £55,000 + Excellent Benefits

Clearance: eDV required for high-side IT access

To apply, email:

An exciting opportunity has become available for an experienced Senior Infrastructure Engineer to join a secure, mission-critical environment supporting some of the UK's most sensitive technology programmes.

This is a fully onsite role based in Cheltenham, working within a highly collaborative technical team responsible for maintaining and enhancing enterprise identity, directory and infrastructure services across a complex multi-domain environment.

Due to the nature of the work, active eDV clearance is essential.

The Role

You'll play a key role in the administration, maintenance and continuous improvement of enterprise directory services, ensuring secure, reliable and resilient infrastructure that supports critical operational systems.

Working as part of a specialist team, you'll contribute to both business-as-usual support and ongoing infrastructure enhancement projects, helping to deliver secure and scalable solutions.

Key Responsibilities

  • Administer and maintain enterprise Active Directory environments.
  • Support identity and access management, including user lifecycle and access control.
  • Design, deploy and manage Group Policy Objects across complex environments.
  • Support and troubleshoot SQL-based systems, producing queries and reports to aid operational support.
  • Configure and maintain secure multi-domain print management solutions.
  • Deliver third-line support, patching, upgrades and lifecycle activities in line with agreed service levels.
  • Collaborate with infrastructure and security teams to improve platform resilience and performance.

Skills & Experience

We're looking for candidates with experience in:

  • Enterprise Active Directory administration, including Domain Controllers, DNS, DHCP and replication.
  • SQL querying, reporting and troubleshooting within complex production environments.
  • Group Policy design, implementation and troubleshooting.
  • Identity and access management within secure enterprise environments.
  • Supporting critical infrastructure under SLA-driven operational models.

Desirable Experience

Experience in any of the following would be advantageous:

  • PowerShell scripting and automation.
  • Privileged Access Workstations (PAWs).
  • Public Key Infrastructure (PKI).
  • Hybrid identity technologies.
  • CI/CD principles and infrastructure automation.

What's on Offer

  • Salary up to £55,000
  • 25 days annual leave, with the option to purchase additional holiday
  • Generous pension contribution
  • Private healthcare
  • Life assurance
  • Additional security clearance allowance
  • Ongoing training and professional development
  • Opportunity to work on nationally significant, cutting-edge technology programmes

Please note: Due to the highly secure nature of this role, applicants must hold active eDV (Enhanced Developed Vetting) clearance and be eligible to work full-time onsite in Cheltenham.


Skills

SQL
Active Directory
DNS
PKI
PowerShell

Similar jobs