Full job description3rd Line Support Engineer?
Salary: £35,000 - £45,000 per annum
Location: Oxford


Our client is a well-established Managed Service Provider (MSP) looking for an experienced 3rd Line Support Engineer to join their team in Oxford.


This is a client-facing role resolving technical issues, supporting client infrastructure, and contributing to changes within a structured MSP environment.


The Role
*Support and maintain the systems
*Act as the go-to escalation point for 1st and 2nd line colleagues
*Own complex and priority tickets end to end
*Get to the root cause of issues rather than just patching symptoms
*Maintain high first-time fix rates
*Carry out ongoing infrastructure maintenance and patching
*Handle the technical delivery of changes such as migrations, upgrades, and new implementations,
*Coordinate with client and internal stakeholders so changes land smoothly with minimal downtime
*Visit client sites as needed
*Communicate with clients effectively by phone and email
*Log and update tickets accurately within SLAs
*Effectively maintain documentation


Your Skills & Experience
*5+ years’ hands-on experience in IT support
*Previous experience working within an MSP highly advantageous
*Solid troubleshooting experience across the following:
*Enterprise firewall management
*Network infrastructure (switches, wireless access points)
*Business email platforms
*Cloud-based email filtering
*Identity management platforms
*Security monitoring (SIEM, MDR)
*Enterprise password management
*Hosted VoIP telephony
*Backup and disaster recovery management
*PSA and RMM tooling
*Experience of PowerShell and automation
*Microsoft/Azure certifications
*Confident supporting Mac and Linux alongside Windows
*Full UK driving licence and vehicle essential