3Rd Line IT Support Desk Engineer
Job in
City of Westminster, Central London, Greater London, England, UK
Listed on 2026-01-14
Listing for:
Crestwave Solutions
Full Time
position Listed on 2026-01-14
Job specializations:
-
IT/Tech
IT Support, Systems Administrator, Technical Support, Systems Engineer
Job Description & How to Apply Below
A highly accredited Managed Service Provider (MSP) in London are looking for an experienced 3rd Line IT Support Engineer to join its senior Service Desk team. This role suits a strong technical engineer with MSP background who thrives in resolving P1 / P2 escalations in a fast-paced environment.
The Role:- Resolve complex 3rd Line escalations across Microsoft & infrastructure technologies
- Troubleshoot Microsoft 365, Azure, Windows Server 2016/2019
- Support VMware, Hyper‑V, networking, firewalls and switches
- Act as a technical escalation point for 2nd Line Engineers
- Work closely with Service Desk Management on priorities & workload
- Use Connect Wise (PSA/ITSM) to manage tickets and escalations
- Liaise with internal teams, clients, and 3rd‑party vendors
Skills & Experience:
- 3-5 years' experience in a 3rd Line / Senior Service Desk / MSP role
- Strong Microsoft Cloud knowledge (Microsoft 365, Teams, Azure)
- Windows Server, virtualisation & network troubleshooting
- Experience with ITSM / PSA tools (Connect Wise, Bright Gauge, ITBoost, Smile Back, Crush Bank)
- Excellent communication skills and calm approach to critical incidents
- UK MSP experience strongly preferred
- Microsoft certifications (AZ / MS / M365)
- Firewall & switching experience
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