3rd Line Infrastructure Project Engineer

Salary: £45,000 - 45,000 per year

Requirements

• We require a valid UK driving licence.
• We prefer MSP experience, although it is not essential.
• We require at least 3 years of experience in a similar 3rd line support role.
• We require professional IT certifications such as Microsoft MCP, MCSA, MCSE, PRINCE2, or Cisco CCNA.
• We need strong troubleshooting and fault-finding skills.
• We require excellent oral and written communication skills.
• We need strong knowledge of Azure and current supported Microsoft server and workstation operating systems.
• We require solid experience installing, configuring, and troubleshooting Microsoft technologies, including Active Directory, Group Policy, DHCP, and DNS.
• We need advanced networking skills, including switches, routers, VLANs, Wi-Fi, VPNs, and firewalls.
• We require experience with Microsoft Exchange and Microsoft 365, including installation, configuration, migration, and troubleshooting.
• We need experience with Hyper-V virtualisation, including installation, configuration, and troubleshooting.
• We require knowledge of domains, basic web hosting, and SSLs.
• We need experience remotely troubleshooting hardware such as UPSs, NAS devices, printers, and VoIP systems.
• We require experience using Visio for network documentation.

Responsibilities

• We design, implement, and support customer projects across networks, disaster recovery, office moves, and Microsoft technologies such as Azure, Windows Server, Hyper-V, Microsoft 365, Exchange, SQL, and SharePoint.
• We provide 3rd line technical support to assist our Service Desk when required.
• We create and maintain customer documentation when changes are made, including Visio network diagrams and internal records.
• We provide technical assistance to our Sales and Pre-Sales teams.
• We create scope of work documents for customer projects.
• We manage projects to ensure they are delivered on time and in line with scope.
• We visit client sites when necessary and use a company car for customer visits.
• We research and evaluate new products and services.
• We accurately record time entries and update tickets as work progresses.
• We deliver a strong customer experience and provide great customer service.
• We hand over completed projects to the helpdesk once the customer is satisfied.
• We provide support documentation and training where required so the desk can professionally support the new system.

Technologies

• Active Directory
• Azure
• Cisco
• Hardware
• Hyper-V
• Support
• Microsoft 365
• Network
• SQL
• SharePoint
• Web
• Windows
• Office 365
• Cloud
• DevOps
• VPN

More

We are a leading IT Managed Service Provider based in West Sussex, offering a salary of £40,000 to £45,000 plus benefits and a pension. In this role, you will work on customer-facing infrastructure projects and provide high-level technical support across a broad Microsoft and networking environment. We offer the use of a company car for site visits, and you will be part of a team that values customer service, project delivery, and collaborative support between engineering, service desk, sales, and pre-sales functions.

last updated 23 week of 2026