Company: Solutions Through Knowledge Contracts Limited
Location: London
Job Description:
Job title: VMware/Omnissa Horizon Engineer – Active SC Clearance
Start date: Beginning of July
Duration: 6 months initially
Location: Hybrid – Central London (50/50 split)
Salary: £380 per day (Inside IR35) – payable weekly
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, maintenance and ongoing support of a critical VMware Horizon VDI environment (now Omnissa Horizon).
This is a hands-on BAU role focused on ensuring platform stability, availability and performance within a secure environment.
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
- 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
- VMware vSphere, ESXi, and vCenter administration
- Windows Server and Active Directory
- Profile management and end-user computing technologies
- Experience supporting large virtual desktop estates.
Posted: June 3rd, 2026