3rd Line Support Engineer

About the role

We are looking for an experienced MSP engineer who becomes the go‑to person when issues become complex. You will troubleshoot across Microsoft 365, servers, networking, firewalls and cloud environments, taking ownership of challenging technical work and contributing to a strong pipeline of upcoming projects.

Key responsibilities

• Act as senior technical escalation point for complex client issues.
• Troubleshoot Microsoft 365, Entra ID and hybrid environments.
• Support and administer Windows Server and Active Directory.
• Manage Microsoft 365 across multiple customer tenants.
• Support Microsoft Intune, Autopilot and endpoint management.
• Troubleshoot networking including VLANs, switching, routing, DNS, DHCP and wireless.
• Configure and troubleshoot firewalls, VPNs and security policies.
• Support virtualised environments such as Hyper‑V, VMware and Proxmox.
• Manage backup, disaster recovery and business continuity solutions.
• Support endpoint security, MFA and EDR technologies.
• Diagnose complex infrastructure and performance issues.
• Take ownership of technical problems through to resolution.
• Mentor less experienced engineers and produce clear technical documentation.
• Work directly with customers to explain technical issues and recommendations.
• Deliver and support infrastructure and cloud projects, including on‑site work.

Required profile

• Strong 3rd Line or senior 2nd/3rd Line experience within an MSP.
• Broad Microsoft infrastructure and Microsoft 365 knowledge.
• Strong Windows Server and Active Directory experience.
• Practical knowledge of Microsoft Entra ID and Intune.
• Strong networking knowledge including VLANs, switching, routing and wireless.
• Experience administering and troubleshooting firewalls and VPNs.
• Experience supporting virtualised server environments.
• Good understanding of backup, disaster recovery and security technologies.
• Confidence investigating unfamiliar or complex technical problems.
• Strong customer‑facing communication skills and ability to work independently.
• Previous involvement in infrastructure or Microsoft cloud projects is valuable.

Required skills

• Microsoft 365
• Microsoft Entra ID
• Windows Server
• Active Directory
• Microsoft Intune
• Autopilot
• VLANs
• Switching
• Routing
• DNS
• DHCP
• Wireless networking
• Firewalls
• VPN
• Hyper‑V
• VMware
• Proxmox
• Backup solutions
• Disaster recovery
• Endpoint security
• MFA
• EDR

What we offer

• Salary up to £45,000 depending on experience.
• Commercial vehicle provided within six months.
• Private medical insurance after six‑month probation.
• Private dental cover after six‑month probation.
• Varied technical work across multiple customer environments.
• Opportunity to become a senior technical member of a growing MSP.
• Strong pipeline of upcoming infrastructure and cloud projects.
• Long‑term progression as the technical team expands.