Are you an experienced 3rd Line Enginee r with a solid MSP background? Do you enjoy tackling a mix of infrastructure and networking challenges? Looking for a role that keeps you hands-on, technical, and client-facing? This 3rd Line Infrastructure Engineer role could be a great fit. Join a growing and well-regarded Managed Service Provider as part of their senior engineering team. You will take ownership of escalated issues, support and guide more junior engineers, and lead on technical projects for a range of SME clients. Salisbury – Hybrid working (mix of office, home, and client site) £32,000 – £40,000 DOE Driving licence required – client site visits involved As a 3rd Line Infrastructure Engineer, what you will be doing: Providing 3rd line support and infrastructure troubleshooting Leading smaller client projects and re-architecting customer networks Acting as an escalation point for complex issues Installing, configuring, and supporting client environments across servers, networks, and cloud platforms Mentoring junior engineers and ensuring quality technical delivery Attending client sites when required (local travel) Core technical skills we are looking for: Windows Server (setup, troubleshooting, maintenance) Microsoft 365 administration and support Active Directory & Group Policy Network support – routers, switches, firewalls (WatchGuard experience a bonus) TCP/IP, DNS, DHCP Strong experience with remote and on-site troubleshooting Comfortable working across a broad IT estate (hardware, software, cloud, networking) Experience delivering infrastructure projects and identifying opportunities for improvement You will need: Experience in a 2nd/3rd line role within an MSP environment Strong communication skills and client-facing confidence A methodical and calm approach under pressure Full UK driving licence and access to your own vehicle This is a varied and rewarding role that offers technical autonomy, exposure to different technologies, and a culture that values learning and initiative. If you are ready for a new challenge where no two days are the same — we would love to hear from you.