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Temporary/Casual
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VDI Engineer

STK RecruitmentLondon, UK🇬🇧United KingdomPosted 21 Jul 2026

Quick Overview

Salary
£380/hr
Work Type
Hybrid
Schedule
Temporary/Casual
Level
Mid Senior

Job Description

Job title: VMware / Omnissa Horizon Engineer - Active SC Clearance
Start date: Flexible, can allow for notice period
Duration: 6-12 months initially
Location: Hybrid - Central London (50/50 split)
Salary: £380 per day - Inside IR35
Standard hours: Monday to Friday 9am-5pm

Overview
We 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 Responsibilities

  • Administration and support of the Omnissa Horizon VDI platform
  • Performing system maintenance, patching, upgrades, and configuration changes
  • Monitoring platform health and investigating issues
  • Incident resolution and root cause analysis
  • Supporting the ongoing availability and performance of the Horizon VDI environment
  • Working closely with infrastructure and support teams to maintain service levels
  • Producing and maintaining technical documentation where required
Essential Skills & Experience
  • Active SC Clearance is essential
  • Strong experience administering and supporting VMware/Omnissa Horizon environments
  • Experience performing Horizon upgrades and maintenance activities
  • Proven background in VMware/Omnissa Horizon BAU support, maintenance, and upgrade activities
  • Experience supporting VDI platforms within enterprise environments
  • Strong troubleshooting and problem-solving skills
  • Experience working within secure or regulated environments
Desirable Skills
  • VCF (VMware Cloud Foundation), NSX, ESXi, and vCenter administration
  • Windows Server and Active Directory
  • Profile management and end-user computing technologies
  • Experience supporting large virtual desktop estates

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