> Markdown version of [/jobs/ext/4652789-onsite-it-engineer](https://www.wearedevelopers.com/jobs/ext/4652789-onsite-it-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Onsite IT Engineer - **Company:** SER Limited - **Location:** London, United Kingdom (Remote available) - **Experience:** Expert - **Salary:** £30,000 - £40,000 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Wireless Networks, User Accounts - **Published:** November 10, 2026 - **Apply:** https://www.serlimited.com/job-search/9237-senior-onsite-engineer/it/london/apply ## About the Role Previous experience in an IT Support, IT Technician or Infrastructure Engineer position. Strong 2nd Line support experience, ideally with some 3rd Line exposure. Good knowledge of Microsoft 365, Active Directory and Windows environments. Experience troubleshooting networking and infrastructure issues. The confidence to work independently and take ownership of technical problems. Previous experience within an education environment or supporting schools would be highly advantageous. ## Description This is an excellent opportunity for an experienced IT professional who enjoys working in a hands-on environment, taking ownership of technical issues and ensuring staff and students receive first-class IT support., As the Senior Onsite IT Engineer, you will be responsible for providing technical support across the school's IT infrastructure, acting as a senior escalation point and ensuring the smooth day-to-day running of IT systems., Providing 2nd and 3rd Line IT support across the school. Acting as the senior technical point of contact for IT-related issues. Troubleshooting hardware, software, networking and infrastructure problems. Supporting Microsoft 365, Active Directory and Windows environments. Maintaining and supporting servers, networks, switches and wireless infrastructure. Managing user accounts, permissions and device configurations. Working closely with teaching and administrative staff to resolve technical issues. Proactively identifying improvements to the school's IT environment.