
Frontier Resourcing Ltd
Senior Infrastructure Engineer
Job Description
Salary: £43,000 - 72,000 per year
Requirements:- Experience working within Agile, Scrum, or DevOps environments.
- Strong background in infrastructure or systems engineering across the full project lifecycle.
- Linux administration and deployment experience.
- Experience supporting enterprise server, storage, and desktop infrastructure.
- Ability to take ownership of technical work packages and collaborate with project teams.
- Understanding of large-scale, secure information systems.
- Current UK eDV Security Clearance is essential.
- Experience with Red Hat Enterprise Linux or CentOS.
- Experience with Windows Server and Active Directory.
- Experience with VMware vSphere / ESXi.
- Experience with Infrastructure as Code tools such as Terraform or Ansible.
- Experience with Docker and Kubernetes.
- Experience with AWS and/or Azure.
- Experience with the Atlassian toolset.
- Experience with Concourse CI/CD.
- Experience with Elasticsearch / Kibana.
- Experience with Apache Kafka.
- Experience with Helm.
- Experience with MongoDB.
- Experience with enterprise web applications and services.
- Experience with TOGAF, MODAF, or model-based systems engineering.
- Experience with networking monitoring and Red Hat migrations.
- Administer, maintain, and support secure infrastructure and operational systems.
- Perform system administration, backup, and recovery activities.
- Investigate and resolve infrastructure, network, and application issues.
- Support system installation, maintenance, and ongoing improvements.
- Research and resolve complex technical and system design challenges.
- Translate technical requirements into robust infrastructure solutions.
- Collaborate closely with engineering and project teams to deliver successful outcomes.
- AWS
- Active Directory
- Ansible
- Atlassian
- Azure
- CI/CD
- DevOps
- Docker
- ElasticSearch
- Helm
- Support
- Kafka
- Kibana
- Kubernetes
- Linux
- MongoDB
- Network
- Security
- TOGAF
- Terraform
- VMware
- Web
- Windows
- Cloud
More:
We are a leading defence technology organisation delivering and supporting mission-critical infrastructure for secure government and defence programmes. We are offering a permanent, full-time Senior Infrastructure Engineer role based onsite in Gloucester within a highly skilled engineering team. This is an exciting opportunity to work on cutting-edge national security and defence programmes in an Agile environment, with excellent salary, bonuses, and a comprehensive benefits package. We also offer long-term career development within a growing engineering environment and a relocation package of up to £8k.
last updated 30 week of 2026
Interested in this role?
Submit your application now
How to Apply
About Frontier Resourcing Ltd

Frontier Resourcing Ltd
Gloucester
IT
Skills & Technologies
Inferred from job description
Salary Insight
£57,500
This role
£75,000
UK median
This salary is 23% below the UK median for Senior roles (£75,000/yr).
Based on 2024–2025 UK technology sector benchmarks