Systems Administrator

This role focuses on the day-to-day administration, monitoring, and support of Red Hat Linux servers within an enterprise environment. You'll be responsible for maintaining system health, troubleshooting issues, and ensuring reliable performance across both Linux and Windows platforms.

Alongside core system administration duties, you'll support security tooling (SIEM and SOAR), ensuring systems are correctly configured to collect, process, and deliver accurate data. You'll also help onboard new systems and data sources, ensuring they integrate smoothly into the wider infrastructure.

Working across teams and with external providers, you'll play a key role in diagnosing network and system issues, helping to maintain a secure and resilient IT environment.

What You'll Be Doing

• Administering and supporting Red Hat Linux servers in a production environment
• Monitoring system performance, availability, and reliability
• Troubleshooting and resolving system and network issues
• Supporting the integration of systems into enterprise security platforms
• Assisting with onboarding servers, networks, and data sources
• Working with engineers and third-party providers to resolve escalated issues
• Contributing to system improvements, automation, and operational best practices, You'll be joining an expanding Cyber Engineering function within Enterprise IT, supporting services across the UK and internationally. The team is responsible for maintaining and developing secure, enterprise-level systems and services.

• Experience in a Systems Administrator or similar infrastructure role
• Strong working knowledge of Linux (Red Hat preferred) and Windows environments
• Understanding of networking fundamentals and troubleshooting
• Familiarity with SIEM technologies (or an interest in security tooling)
• Scripting experience (e.g. Python, Bash) for automation and support tasks
• A methodical approach to troubleshooting and problem-solving

Why Join BAE Systems?

• Work on enterprise systems with real-world impact
• Develop your technical skills in both infrastructure and cyber security
• Access to ongoing training and career progression opportunities
• Flexible and hybrid working options
• Comprehensive benefits

A Place Where You Can Thrive

We're committed to building an inclusive workplace where everyone feels supported and valued. Different perspectives strengthen our teams and we want you to bring yours.

Security Requirements

You MUST be eligible for Security Check (SC) Clearance to be considered for this position.

The salary is 35,000 to 40,000 plus an excellent benefits package and offers a hybrid working pattern of 1x day per week required in the office.

I'm working with BAE Systems in Preston on helping them source a Systems Administrator that has a couple of years' experience working with Linux (RHEL) and SIEM technologies.