Snr System Administrator - Redhat

Job Title: Senior System Administrator
Work Model: Hybrid (3 days onsite)
Location: Camberley
Commutable Distance: Candidates should be within 20 miles of Camberley
Pay Rate: £400-£550 per day
Length of Contract: 12 Months

About the Role

We're seeking an experienced Senior System Administrator with deep expertise in Red Hat Linux and clustering technologies to join a leading global banking client's IT Infrastructure team. You'll be part of a small EMEA-based team working closely with global high-touch patching teams to deliver a "follow-the-sun" support model. The role focuses on enterprise-scale OS patching, troubleshooting, and system automation across a complex Unix/Linux environment.

Key Responsibilities

• Plan, execute, and oversee monthly OS patching and core upgrades across enterprise environments
• Perform pre- and post-patch checks to ensure system stability and configuration consistency
• Troubleshoot and resolve patching or infrastructure issues; escalate when needed
• Collaborate with application support, platform engineering, and global operations teams
• Develop and maintain automation scripts (BladeLogic, Ansible, Shell, Python, Perl)
• Manage and support Red Hat clustering solutions (RHCS) and GPFS clusters
• Contribute to continuous process improvement and documentation

Required Skills & Experience

• Extensive Red Hat Linux (RHEL 7.x-9.x) system administration experience
• Proven experience with clustering technologies - RHCS and GPFS (essential)
• Strong troubleshooting skills for x86 hardware (IBM, HP, Dell)
• Hands-on experience in enterprise patch management (1,500+ servers)
• Scripting proficiency - Ansible, Shell, Python, Perl
• Knowledge of BladeLogic (advantageous)
• Familiarity with Mellanox and SolarFlare technologies
• Excellent communication skills and ability to work with global teams
• Banking or financial services experience preferred
• Availability to work Saturdays, with time off in lieu provided on a weekday

We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention.

Please be advised if you haven't heard from us within 48 hours then unfortunately your application has not been successful on this occasion, we may however keep your details on file for any suitable future vacancies and contact you accordingly.

Pontoon/Adecco is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive.