via reed · 3 June 2026 ·3 days ago

3rd Line Support Engineer

Career Cross Ltd
London Full-time GBP 48,000 – 52,000
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3rd Line Support Engineer – London - £48k - £52k + excellent benefits

Our client is a well-established IT services provider based in London. Due to continued growth and expansion, they are looking to recruit a 3rd Line Support Engineer. The role will involve managing complex client infrastructures and delivering strategic IT solutions.

Responsibilities:

  • Provide expert-level support for complex issues across server environments, virtualisation, networking, cloud services, and security. Act as the primary escalation point for the engineering team.

  • Lead end-to-end infrastructure projects, including server migrations, virtualisation deployments, cloud solutions (Microsoft Azure), and network upgrades, ensuring successful and timely delivery.

  • Work closely with clients to understand their needs and provide tailored IT solutions. Manage client expectations and guide them through technical implementations.

  • Mentor junior engineers, offering guidance on technical issues and career development. Ensure team members adhere to best practices and quality standards.

  • Lead the design and implementation of security solutions, including firewalls, endpoint protection, and cloud security measures, ensuring compliance with industry standards and best practices.

  • Ensure thorough documentation of system configurations, solutions, and troubleshooting steps. Provide clients with performance reports and recommendations for improvement.

Technical Skills:
  • Expert knowledge in Windows Server, Active Directory, DNS, DHCP, GPOs, and WDS, including advanced troubleshooting and configuration.

  • Strong hands-on experience with server virtualisation (Hyper-V, VMware) and cloud technologies, particularly Microsoft Azure (Azure AD, Virtual Machines, Storage).

  • In-depth experience with backup solutions (Veeam, Cove, Acronis) and disaster recovery planning.

  • Strong networking skills: VLANs, subnetting, TCP/IP, LAGs, VPNs, and expertise in configuring and managing firewalls (Fortinet, Juniper, Watchguard, Palo Alto).

  • Proficient in storage solutions, including Dell PowerVault and Synology (LUNs, RAID, storage pools).

  • Experience with endpoint protection platforms like Microsoft Defender and Sophos.

  • Proven ability to manage and deliver complex IT projects, including server migrations, cloud deployments, and network upgrades.

Hours - Monday – Friday, between 9am – 6pm

Keywords – MSP, Senior Infrastructure Engineer, Senior 3rd Line Engineer, Senior Systems Engineer, Senior IT Engineer, Lead Solutions Engineer, Lead Infrastructure Engineer, IT Systems Architect, Senior IT Consultant, IT Infrastructure Architect, Senior Technical Engineer, IT Solutions Architect, Senior Systems Administrator, multi service provider, IT Support, IT Support Engineer, Windows Server, Active Directory, DNS, DHCP, GPOs, WDS, Microsoft Azure, Azure AD, Virtual Machines, Fortinet, Juniper, Watchguard, Palo Alto, Dell PowerVault, Synology, Microsoft Defender, Sophos, Hyper-V, VMware, London, Central London

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Career Cross Ltd

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