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 RoleWe''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 ResponsibilitiesPlan, execute, and oversee monthly OS patching and core upgrades across enterprise environmentsPerform pre- and post-patch checks to ensure system stability and configuration consistencyTroubleshoot and resolve patching or infrastructure issues; escalate when neededCollaborate with application support, platform engineering, and global operations teamsDevelop and maintain automation scripts (BladeLogic, Ansible, Shell, Python, Perl)Manage and support Red Hat clustering solutions (RHCS) and GPFS clustersContribute to continuous process improvement and documentation Required Skills and ExperienceExtensive Red Hat Linux (RHEL 7.x-9.x) system administration experienceProven experience with clustering technologies - RHCS and GPFS (essential)Strong troubleshooting skills for x86