IT & Software

3rd Line IT Support Engineer

SER

London · Greater London · United Kingdom

Overview

In this role you will serve as a senior escalation point, resolving complex infrastructure issues across servers, networking, cloud, and security. You will drive infrastructure projects, collaborate with clients, and mentor junior engineers to raise technical capabilities. The position supports a London-based MSP, offering exposure to a broad tech stack and high-impact client delivery. You’ll shape robust IT solutions and security postures, contributing to ongoing growth and service excellence. This is a senior, hands-on role for someone who thrives on ownership and cross-functional collaboration.

Pay / Benefits
  • salary up to 55,000
  • 40-hour week, Mon–Fri, 9am–6pm UK time
  • flexible hybrid working with remote Fridays
  • 22 days plus Bank Holidays, up to 25 with tenure
  • quarterly and annual staff awards
  • funded social events
Responsibilities
  • Provide 3rd line support and expert troubleshooting across server environments, virtualization, networking, cloud and security
  • Act as a senior escalation point for complex technical issues
  • Manage and deliver infrastructure projects, including server migrations, virtualization deployments, Azure solutions and network upgrades
  • Work directly with clients to understand technical requirements and provide appropriate solutions
  • Support and mentor junior engineers, sharing technical knowledge and best practice
  • Design and implement security solutions, including firewalls, endpoint protection and cloud security
  • Maintain accurate technical documentation covering system configurations, solutions and troubleshooting
  • Provide clients with technical recommendations and performance reports
Key requirements
  • Windows Server, Active Directory, DNS, DHCP, GPOs and WDS
  • Hyper-V and VMware virtualization
  • Microsoft Azure, including Azure AD, Virtual Machines and Storage
  • Backup and disaster recovery solutions such as Veeam, Cove and Acronis
  • Networking, including VLANs, subnetting, TCP/IP, LAGs and VPNs
  • Firewalls including Fortinet, Juniper, WatchGuard and/or Palo Alto
  • Storage solutions such as Dell PowerVault and Synology
  • Endpoint protection platforms including Microsoft Defender and Sophos
  • Delivering infrastructure projects, including server migrations, cloud deployments and network upgrades
  • Client-facing communication
  • Mentoring and knowledge sharing
  • Ownership and accountability
  • Windows Server and Active Directory
  • Hyper-V and VMware virtualization
  • Azure and Azure AD

Reference: WJ-747_30137071

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