3rd Line Support Engineer - MSP

Job Description Please make an application promptly if you are a good match for this role due to high levels of interest. Are you an experienced 3rd Line Support Engineer looking to step into a fast-paced, highly accredited Managed Service Provider? This is an exceptional opportunity to join a growing UK Service Desk and work with cutting-edge technologies across Microsoft, virtualisation, and advanced networking. This is a hands-on, high-visibility position ideal for someone who thrives in a dynamic MSP environment. About the Role A leading MSP in Central London is seeking a 3rd Line IT Support Desk Engineer to join its UK-based Help Desk team. You will sit within a 30-engineer operation and report directly into the Service Desk Manager. Working alongside senior 3rd Line engineers and the Escalations Team Leader, you will take ownership of critical P1 and P2 incidents, ensuring timely and effective resolution for a wide range of clients. Great benefits Hours: 7.5 hours a day, rotating shift between 8am – 6pm (either 8am – 4.30pm or 9.30am – 6pm). Holidays: 20 days per year, plus bank holidays,vitality at work business for rewards & health benefits, breakfast on Wednesdays, quarterly team socials & events, gym membership and more Key Responsibilities You will be responsible for resolving advanced technical issues across: Microsoft & Cloud Microsoft 365 administration & troubleshooting Azure support and configuration Servers & Virtualisation Windows Server 2016 / 2019 VMware & Hyper-V Networking Escalated network troubleshooting beyond 2nd Line Supporting firewalls and switches Service Desk Operations Logging, managing, and resolving tickets via ConnectWise Escalating critical issues to the Head of Service when needed Guiding 2nd Line Engineers (“steering the wheel”) and providing mentorship Working collaboratively with internal teams, external stakeholders, and 3rd parties Maintaining a positive, solutions-focused attitude across all interactions Skills & Experience Required 3–4 years’ MSP experience in a 3rd Line or senior 2nd Line role Strong troubleshooting capability across Microsoft, Azure, servers, and networking Excellent communication skills — calm, clear, and client-focused Ability to manage priorities and xbpsjku adapt to Service Desk needs Experience with ITSM / MSP tools such as: ConnectWise BrightGauge SmileBack ITBoost NinjaOne Qualifications (Desirable) Microsoft Cloud certifications are highly advantageous, including: AZ-104 – Azure Administrator AZ-500 – Security Engineer AZ-700 – Network Engineer MS-100 / MS-101 – Microsoft 365 Why Join? Work for a highly accredited and respected MSP Opportunities for training and certifications Exposure to enterprise-level cloud, networking, and virtualisation environments Collaborative technical team with strong career progression Central London office with a supportive, high-performing culture