Infrastructure Engineer

Linux Engineer/System Administrator

We are recruiting Infrastructure Engineers to work for a leading British engineering and technology consultancy. Our client is seeking Engineers with robust Linux, Cloud and on-prem experience to support secure and mission-critical operational systems across Government, National Security and Defence. This is an exciting opportunity to join a growing team delivering resilient technology solutions that help keep the UK safe.

Salary: £25,000 - £90,000 + Bonuses & Benefits (Junior to Lead/Principal)
Location: Gloucester preferred (other offices considered)
Working Pattern: Flexible hybrid working, split between office, client sites, and home

Why This Role?
This is not a typical infrastructure role. You will be working on systems that underpin national security and critical government operations. Our client offers:

* Work that matters - you will be supporting critical systems used across Government and National Security, contributing directly to keeping the UK safe
* Structured progression - a clear career framework with defined pathways, supported by senior engineers and client teams
* Ongoing development - access to training, certifications and exposure to a broad range of technologies across cloud, on-prem and secure environments
* Competitive pay - salary up to £90,000 depending on experience, with a strong wider benefits package
* Flexible working - a genuine hybrid model that trusts you to manage your time across office, client sites and home

Key Responsibilities
* Administer and support secure Linux-based operational systems, both on-premises and in cloud environments
* Perform proactive system maintenance, including patching, OS and firmware updates, and life cycle management
* Monitor server and infrastructure health across hybrid environments, troubleshooting performance issues and outages
* Support cloud infrastructure operations including deployment, scaling and management across platforms such as AWS, Azure or GCP
* Implement and maintain Infrastructure as Code practices to automate provisioning and configuration management
* Contribute to DevOps pipelines, supporting CI/CD tooling, containerisation and deployment automation
* Deliver second-line technical support and carry out root cause analysis for production incidents
* Collaborate with development, security and operations teams to ensure systems are robust, secure and well-maintained
* Participate in an out-of-hours on-call rota when required
* Document processes, maintenance activities and technical procedures to a high standard

Essential Skills
* Strong experience in Linux system administration (Red Hat preferred)
* Familiarity with server life cycle and patch management tools (eg, Foreman, Dell OME)
* Experience working in or supporting cloud environments (AWS, Azure or GCP)
* Understanding of networking fundamentals and secure system design

For security clearance reasons, applicants must be a sole UK national and hnot have any adverse dept or

Desirable Skills
* Experience with Infrastructure as Code tools such as Puppet, Ansible or Terraform
* Exposure to DevOps practices and CI/CD pipeline tooling
* Basic understanding of Cisco networking and switch configuration
* Familiarity with containerisation technologies such as Docker or Kubernetes

If you are a motivated Infrastructure Engineer with a problem-solving mindset and an interest in secure environments, we'd love to hear from you.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason , please let us know when you apply or talk to the recruiters directly so we can support you.