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Posted 23 July, 2026

VDI Engineer

STK Recruitment
City of London, ENG, GB Full Time

Job Description

Job title: VMware / Omnissa Horizon Engineer - Active SC ClearanceStart date: Flexible, can allow for notice periodDuration: 6-12 months initiallyLocation: Hybrid - Central London (50/50 split)Salary: £380 per day - Inside IR35Standard hours: Monday to Friday 9am-5pmOverviewWe are seeking an experienced VMware Horizon VDI Engineer who possesses Active SC Clearance, to join an operational support team responsible for the administration, upgrade, maintenance and ongoing support of a critical VMware Horizon VDI environment (now Omnissa Horizon).This is a hands-on BAU & project role focused on ensuring platform stability, availability and performance within a secure environment, where aside from Omnissa Horizon, VCF and NSX skills are a nice to have.Key ResponsibilitiesAdministration and support of the Omnissa Horizon VDI platformPerforming system maintenance, patching, upgrades, and configuration changesMonitoring platform health and investigating issuesIncident resolution and root cause analysisSupporting the ongoing availability and performance of the Horizon VDI environmentWorking closely with infrastructure and support teams to maintain service levelsProducing and maintaining technical documentation where requiredEssential Skills & ExperienceActive SC Clearance is essentialStrong experience administering and supporting VMware/Omnissa Horizon environmentsExperience performing Horizon upgrades and maintenance activitiesProven background in VMware/Omnissa Horizon BAU support, maintenance, and upgrade activitiesExperience supporting VDI platforms within enterprise environmentsStrong troubleshooting and problem-solving skillsExperience working within secure or regulated environmentsDesirable SkillsVCF (VMware Cloud Foundation), NSX, ESXi, and vCenter administrationWindows Server and Active DirectoryProfile management and end-user computing technologiesExperience supporting large virtual desktop estatesTPBN1_UKTJ