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# 3rd Line Engineer

- **Company:** Tela Technology
- **Location:** London, UK
- **Experience:** Experienced
- **Salary:** £44,000.0 - £46,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Backup Devices, Cyber Security, Dynamic Host Configuration Protocol, Domain Name System (DNS), Hyper-V, Virtual Private Networks (VPN), Azure Active Directory, Microsoft SharePoint, Virtual Local Area Networks, Break Fix, Sonicwall, Firewalls (Computer Science), Microsoft InTune, Information Technology, Fortinet, Vmware
- **Published:** July 4, 2026
- **Apply:** https://uk.indeed.com/viewjob?jk=1495c917c78d836b

## About the Role

You'll have at least two years' experience working as a 3rd Line Engineer within a Managed Service Provider (MSP), with the confidence to take ownership of complex escalations. We're looking for someone who is a confident user of;

 * Microsoft 365 (Exchange Online, SharePoint, Teams)
 * Microsoft Entra ID / Azure AD
 * Managing endpoints (Intune)
 * Hyper-V and/or VMware
 * Networking (switches, VLANs, DHCP, DNS, VPNs)
 * Firewalls (Sophos, Fortinet, SonicWall, etc.)
 * Endpoint security (Bitdefender or similar)
 * Backup solutions, * 3rd Line (MSP): 2 years (required)

## Description

This is an excellent opportunity for an experienced 3rd Line Engineer who enjoys solving complex technical issues and working across a wide range of technologies. You'll play a key role as part of our escalation team, who are all based in London, but support colleagues and customers UK wide.

As a 3rd Line Engineer, you will:

 * Take ownership of complex 3rd Line support tickets, whether assigned directly to you, or escalated from the 2nd Line team.
 * Deliver exceptional customer service while adhering to agreed service levels and IT service management best practices.
 * Carry out scheduled customer site visits and break-fix support as required.
 * Provide users with guidance, training and advice to ensure they are making the best use of their IT systems and equipment.
 * Mentor and support junior members of the technical team, sharing knowledge and encouraging development.
 * Play an active role in delivering infrastructure and customer projects.
 * Work in accordance with ISO 27001 information security principles and company procedures.


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