About the CompanyWe are looking for a Senior Unix Systems Engineer to join Paragon and take technical ownership of their Unix estate across the UK and international hosting environment.About the RoleAs the Senior Unix Systems Engineer, you'll act as the technical lead and senior escalation point for Unix platforms across Paragon's hosting estate. You'll be responsible for the stability, performance, security, and ongoing improvement of AIX and Linux environments, while supporting infrastructure strategy, automation, and mentoring within the team. This is a senior, hands-on role for someone who enjoys being close to the platform, leading by example, and shaping how Unix systems are designed, supported, and improved across on-prem and cloud environments.ResponsibilitiesAct as the senior technical authority for Unix platforms across ParagonDesign, build, support, and optimise AIX and Linux environments (Red Hat, Oracle Linux, CentOS)Provide 3rd line support and senior escalation for complex Unix incidentsLead patching, upgrades, lifecycle management, and platform improvementsSupport Unix platforms across on-prem VMware and public cloud environments (AWS, Azure, OCI)Drive automation, scripting, and configuration improvements to reduce manual effortEnsure Unix environments meet security, compliance, backup, and DR requirementsWork closely with cloud, infrastructure, security, and application teamsContribute to platform strategy and mentor engineers within the teamParticipate in an on-call rota and occasional out-of-hours workQualificationsExtensive experience supporting AIX and Linux in enterprise environmentsStrong knowledge of Oracle Linux, including KspliceExperience across on-prem, hybrid, and cloud infrastructureSolid understanding of virtualisation, storage, and Unix networkingStrong troubleshooting skills and ability to resolve complex, business-critical issuesExperience working in ITIL-governed environmentsConfident communicator, comfortable working with senior technical and non-technical stakeholdersRequired SkillsUnix or Linux certifications (RHCE, RHCSA, or similar)Strong scripting and automation experience (Bash, Python, PowerShell)Experience working in AWS, Azure, or OCIPrevious experience mentoring engineers or acting as a technical leadPay range and compensation packageSalary: £68,000Contract: PermanentLocation: Remote (UK based)Equal Opportunity StatementWe are an equal opportunity employer, and we encourage job applications from people of all backgrounds. All qualified applicants will receive consideration regardless of gender, race, religion, age, disability, sexual orientation, or marital status.This is a permanent remote role – with occasional travel to Paragon sites. Hours Monday–Friday, 9am–5pm. Please note that due to the high volume of responses we receive, only successful applicants will be contacted.
Job Title
Senior Unix Engineer