Onsite Senior 3rd Line Engineer — Tech Lead & Mentor

Hamilton Barnes ?; Greater London; On-site; GBP 50,000 - 70,000; Full time

Benefits offered by this job

Ongoing technical training

Structured learning pathways

Supportive team culture

Job summary

A leading technical services company in Greater London is looking for a Senior 3rd Line Support Engineer. You will be the go-to technical expert, managing complex incidents onsite for a high-profile client. Responsibilities include full ownership of technical resolutions and mentoring junior engineers. Candidates should be proficient in Microsoft Exchange, Microsoft 365, and possess advanced networking knowledge. Opportunities for continuous learning and professional development are offered.

Qualifications

• Proven experience in a senior support role onsite at client premises.
• Strong hands-on with Microsoft Exchange and Microsoft 365.
• Advanced networking knowledge required.

Responsibilities

• Act as the senior onsite escalation point for complex technical incidents.
• Manage investigation, diagnosis, and resolution of 3rd line issues.
• Support internal infrastructure and project work.

Skills

Microsoft Exchange

Microsoft 365

TCP/IP

Routing

Switching

NGFWs

VPN

VMware

iSCSI

Active Directory

DNS

DHCP

Group Policy

SharePoint Online

Teams

OneDrive

Leadership

Job description

A leading technical services company in Greater London is looking for a Senior 3rd Line Support Engineer. You will be the go-to technical expert, managing complex incidents onsite for a high-profile client. Responsibilities include full ownership of technical resolutions and mentoring junior engineers. Candidates should be proficient in Microsoft Exchange, Microsoft 365, and possess advanced networking knowledge. Opportunities for continuous learning and professional development are offered.