Linux System Administrator

We are seeking a skilled Linux Engineer/Linux Systems Administrator to take ownership of our client's large scale Linux environment consisting of approximately 100 Servers. This role will focus on Business-as-Usual (BAU) operations, maintenance, stability and performance, while also contributing to an ongoing infrastructure modernisation programme.
This is an excellent opportunity for a technically strong Linux professional who enjoys both operational responsibility and forward-looking project work.

Key Responsibilities

BAU & Operational Support
. Administer, monitor, and maintain circa 100 Linux Servers across production and non-production environments
. Perform system patching, upgrades and security hardening
. Manage user access, permissions and authentication services
. Troubleshoot performance issues, outages and system alerts
. Maintain high availability, reliability and up time standards
. Manage backups, restores and disaster recovery processes

Modernisation & Project Work
. Contribute to infrastructure improvement and automation initiatives
. Support migration, consolidation or upgrade projects
. Assist with cloud, virtualisation or containerisation initiatives where applicable
. Identify opportunities for efficiency, performance and cost optimisation

Documentation & Governance
. Maintain clear technical documentation and runbooks
. Follow change management and incident management processes
. Work collaboratively with network, security and application teams

Required Skills & Experience
. Strong hands-on experience administering Linux environments (eg, Ubuntu, CentOS, Red Hat, Debian or similar)
. Solid understanding of server hardware, storage and virtualisation platforms
. Experience with patch management and security best practices
. Proficiency with Shell Scripting (Bash or similar)
. Knowledge of monitoring and logging tools
. Experience supporting large-scale server estates

Desirable
. Exposure to cloud platforms (AWS, Azure, GCP)
. Experience with automation tools (Ansible, Puppet, Chef, Terraform)
. Knowledge of containers (Docker, Kubernetes)
. Understanding of networking fundamentals and Firewalls
. ITIL or relevant Linux certifications

Personal Attributes
. Strong problem-solving and analytical skills
. Ability to prioritise workload in a fast-paced environment
. Clear communication and documentation abilities
. Proactive and improvement-focused mindset

What's on Offer
. Opportunity to influence and shape infrastructure modernisation
. Exposure to both operational stability and transformation projects
. Supportive technical environment with room for growth
. Competitive salary and benefits package

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