Senior Onsite Engineer

SER Limited; Greater London; On-site; GBP 32,000 - 39,000; Full time

Job summary

SER Limited is seeking a Senior Onsite IT Engineer to be based permanently at a school near Wandsworth, London. The role focuses on providing hands-on technical support across the school IT infrastructure, serving as a senior escalation point and ensuring smooth day-to-day IT operations.

The role requires strong 2nd line (and some 3rd line) experience, with solid knowledge of Microsoft 365, Active Directory and Windows environments, plus networking and infrastructure troubleshooting.

Qualifications

• 2nd/3rd Line IT support experience.
• Strong knowledge of Microsoft 365, Active Directory and Windows environments.
• Experience troubleshooting networking and infrastructure issues.

Responsibilities

• Provide 2nd and 3rd line IT support across the school.
• Act as senior escalation point for IT issues.
• Troubleshoot hardware, software, networking and infrastructure problems.
• Support Microsoft 365, Active Directory and Windows environments.
• Maintain servers, networks and wireless infrastructure.
• Manage user accounts and device configurations.
• Collaborate with staff to resolve technical issues.

Skills

2nd Line support

3rd Line exposure

Microsoft 365

Active Directory

Windows environments

Networking

Job description

Senior Onsite IT Engineer

Location: Wandsworth, South West London
Salary: Up to £35,000 DOE

Are you an experienced IT Support Engineer looking to take the next step in your career within an education environment?

We are working with a growing IT services provider specialising in the education sector, who are looking for a Senior Onsite IT Engineer to join their team, based permanently at a school near Wandsworth.

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.

The Role

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.

Key Responsibilities:

• 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.

What We're Looking For

• 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.

What's On Offer?

• Salary of up to £35,000, depending on technical experience.
• Permanent onsite position based near Wandsworth.
• Opportunity to take ownership of an established school IT environment.
• A senior technical position with responsibility and variety.
• The opportunity to develop your technical skillset within the education sector.