We're looking for an experienced Linux Infrastructure Engineer / Linux SME to provide specialist support across enterprise Linux platforms operating within a secure and assured infrastructure environment. The role combines traditional Linux platform administration with more modern infrastructure and development practices. You'll be responsible for maintaining stable, secure and performant Linux environments while also supporting development environments, containerisation and greater use of automation across the infrastructure. You'll work alongside other infrastructure specialists to resolve complex technical issues, improve existing platforms and help shape how the Linux environment develops and grows.
Key Responsibilities
Provide SME-level support across enterprise Linux platforms
Maintain the stability, performance and security of Linux-based infrastructure
Diagnose and resolve complex Linux infrastructure incidents and technical issues
Support ongoing platform improvements and infrastructure development
Build, configure and maintain Linux development environments
Support Linux-based development activities alongside traditional platform operations
Containerise applications and services where appropriate
Support modern deployment approaches across the environment
Identify opportunities to improve infrastructure through automation
Lead and contribute to technical discussions around the development and growth of the Linux environment
Work collaboratively with infrastructure, development and operational specialists
Operate within formal service management and security frameworks
Maintain accurate and robust technical and operational documentation
What We're Looking For
Strong hands-on Linux administration and infrastructure engineering experience
Significant experience supporting enterprise Linux environments
Strong troubleshooting skills across complex Linux-based infrastructure
Experience maintaining secure, stable and highly available environments
Experience building and maintaining Linux development environments
Practical experience with containerisation of applications and services
Experience using automation to improve infrastructure management and deployment
Understanding of modern deployment approaches alongside traditional infrastructure operations
Experience operating within formal IT service management processes
Strong understanding of infrastructure security and working within controlled environments
Ability to operate as a Linux SME and provide technical direction to other teams
Strong technical documentation skills
Active SC clearance
Technical Experience
Enterprise Linux administration
Red Hat / RHEL
Linux infrastructure engineering
Linux system administration
Infrastructure automation
Containerisation
Application and service deployment
Development environment configuration
Linux security and hardening
Performance monitoring and optimisation
Incident and problem resolution
IT service management
Secure infrastructure environments
Reasonable Adjustments
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