Senior IT Operations & Service Desk Lead

Yasa Limited; Harwell; On-site; GBP 36,000 - 42,000; Full time

Job summary

YASA Limited is seeking a Senior IT Service Desk Technician to own day-to-day IT operations across multiple sites in the UK. You will ensure secure, resilient infrastructure, manage incidents and changes, and drive automation and standardisation to support business growth.

The role requires hands-on experience with Microsoft server infrastructure, Microsoft 365, VMware/Nutanix virtualization, and network security. A proactive, collaborative approach and ITIL foundation are essential.

Qualifications

• Proven experience in IT Operations and multi-site infrastructure.
• Hands-on with Microsoft server infrastructure including AD and related services.
• Experience with Microsoft 365 administration (Entra ID/Azure AD, Exchange Online, SharePoint/Teams).
• Strong virtualization experience (VMware/Nutanix).
• Knowledge of LAN/WAN/Wi‑Fi/VPN connectivity and troubleshooting.
• Security operations including firewalls, EDR, encryption, patching and vulnerability management.
• Identity and access management (MFA, RBAC) and BYOD controls.
• Experience with incident, problem and change management processes.
• Operational reporting and KPI presentation to management.
• Automation capabilities (PowerShell) and continuous improvement mindset.
• Ability to manage stakeholders and communicate clearly.
• ITIL Foundation or equivalent service management experience.
• Enterprise virtualization experience (VMware/Nutanix) and cloud/SaaS administration.

Responsibilities

• Own day-to-day IT operations across sites, ensuring service availability and effective incident, request, problem and change management.
• Operate and improve virtualised infrastructure with high availability and DR capabilities as needed.
• Oversee network connectivity (LAN, WAN, Wi‑Fi, SD-WAN, SASE) and inter-site traffic resilience.
• Manage security operations for IT infrastructure and endpoints (firewalls, EDR, encryption, patching).
• Maintain and upgrade server estate (mainly Microsoft) with standard builds and lifecycle management.
• Own tooling, monitoring, backup reporting, and documentation; drive automation where beneficial.
• Lead end-user support and escalations with timely resolution and clear communication.
• Maintain service KPIs and report risks and improvement actions to management.
• Manage IT suppliers and contracts, including service reviews and escalations.

Skills

IT Operations

Microsoft Server

Microsoft 365

VMware/Nutanix

LAN/WAN/Wi‑Fi

Security operations

Incident/Problem/Change

Automation/PowerShell

ITIL Foundation

Cloud/SaaS admin

Tools

VMware vSphere

Nutanix AHV

Job description

YASA Limited is seeking a Senior IT Service Desk Technician to own day-to-day IT operations across multiple sites in the UK. You will ensure secure, resilient infrastructure, manage incidents and changes, and drive automation and standardisation to support business growth.

The role requires hands-on experience with Microsoft server infrastructure, Microsoft 365, VMware/Nutanix virtualization, and network security. A proactive, collaborative approach and ITIL foundation are essential.