3rd Line Support Engineer
3rd Line Service Desk Engineer
Location: Huntingdon, Cambridgeshire
Reports to: Service Desk Manager
Salary: From £40,000 | Type: Full-time, Permanent
Our client is a forward-thinking IT services provider that helps businesses thrive through technology. They are consistent, customer-focused, and solution-driven - and they're now seeking a 3rd Line Service Desk Engineer to join their senior technical team.
This role suits someone who excels at solving complex problems, stays calm under pressure, and acts as a trusted technical expert for both clients and colleagues. You'll play a key part in ensuring stability, efficiency, and ongoing improvement across customer environments while supporting technical decision-making and service excellence.
What You'll Do
Advanced Technical Support
Own and resolve complex, high-priority incidents escalated from 2nd Line
Deliver advanced troubleshooting and root cause analysis
Administer and optimise Microsoft 365, Azure, Windows Server, virtualisation, and networking environments
Configure and manage firewalls, switches, routers, and security appliances
Oversee patching, upgrades, and critical system deployments
Support infrastructure design, implementation, and transformation projects
Leadership & Collaboration
Act as a senior escalation point and mentor to 1st & 2nd Line engineers
Contribute to knowledge sharing through documentation and training
Collaborate with wider technical teams to ensure consistent, high-quality delivery
Provide expert insight during client reviews and technical discussions
Continuous Improvement
Identify recurring issues and drive root cause investigations
Support automation and optimisation initiatives
Maintain clear, accurate documentation across technical processes
Stay current with emerging technologies and recommend improvements
What You'll Bring
Extensive 3rd Line or infrastructure experience within an MSP environment
Strong expertise across Microsoft 365, Azure AD, Windows Server, Exchange Online, networking, and security
Experience with VMware/Hyper-V, firewalls, VPNs, VLANs, and remote access solutions
Solid understanding of backup, disaster recovery, and business continuity
Excellent diagnostic and analytical abilities with strong attention to detail
Clear communicator and supportive mentor
A calm, customer-focused, solution-driven approach
Why This Role?
You'll join a professional, people-focused team that values ownership, consistency, and pride in a job well done. Expect opportunities to lead, grow, and stay at the forefront of your technical field while contributing to meaningful improvements across client environments.
If you're motivated by solving complex problems and helping organisations succeed through technology, this role is an ideal fit.