Certainly. Here's the revised version using UK spelling, no dashes, and without Oxford commas:
Job Overview
As a Hands-On Desktop Support Technician you will play a vital role in building repairing and supporting end-user devices across a public sector organisation. This role is focused on physical hardware work including unboxing assembling upgrading and repairing PCs and laptops. Once devices are built and tested you will also handle second line desktop support tasks troubleshooting technical issues and assisting with deployments and system rollouts.
Key Responsibilities
1. Carry out hands-on break fix work on desktops laptops and peripherals including diagnostics part replacement and reassembly
2. Unbox build and configure PCs and laptops to specification ensuring devices are ready for deployment
3. Install upgrade and configure hardware components such as memory drives and graphics cards during new builds and repairs
4. Set up and test peripherals such as monitors docking stations and printers
5. Support the physical rollout of equipment as part of hardware refreshes office moves and deployment projects
6. Provide second line support for hardware software and network issues