Senior Linux HPC SysAdmin / Engineer
Xcede - Stevenage, ENG
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Job Description Senior Linux HPC Systems Administrator / EngineerLocation:Stevenage, Hertfordshire (hybrid/onsite)Onsite:3 days/week onsite+ able to attend site at short notice (hands-on hardware support)My client islooking for aSenior Linux HPC SysAdmin/Engineer(minimum10 years enterprise ITexperience) to support aLinux-based high-performance/scientific computing environment. Youll providehands-on onsite supportto technical/scientific users, maintaining critical infrastructure and high-end workstations.Key responsibilitiesAdminister, configure and supportRed Hat Enterprise Linux (RHEL 8/9)environments (stability, performance, security)Supporthigh-end workstationsand resolve hardware/software issues onsiteSupportHPC environmentsincludingclusteringandworkload management (Slurm)Monitor and troubleshoot performance issues (includingGPU / networkingimpact)UseServiceNowfor incident/change/ticket management and drive process improvementsManageSSL certificatesand assist withweb server configurationwhere requiredWork closely with stakeholders and vendors; communicate technical topics clearly and build strong working relationshipsRequired skills / experience10+ yearsenterprise IT, with strong hands-onRHEL (8 & 9)administrationExperience supportingscientific users/applicationsand/or research computing environmentsHPC exposure:Slurm,clusters, and general HPC operations/supportStrong troubleshooting acrossLinux, hardware and applicationsConfident stakeholder communication (onsite support is a key part of the role)Nice to haveServiceNow experienceBroader knowledge ofnetworking, performance monitoring tooling, andGPU technologies
Created: 2026-04-16