London-based Service Desk Engineer (1st/2nd Line) - Windows & M365

ONNEC Group is seeking a Service Desk Support Engineer to deliver 1st and 2nd line support across project sites, regional offices, and remote locations. The role requires hands‑on support for desktops, laptops, printers, and mobile devices, with emphasis on Microsoft 365 and ITSM incident management.

You will log, track, and resolve tickets, keeping stakeholders informed and escalating when necessary to Group IT or external suppliers. A focus on process and user guidance is essential.

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