Senior Information Technology Support Engineer

5 days ago


London Area, United Kingdom Vallum Associates Full time

Key Responsibilities

  • Provide
    1st–3rd line desktop support
    for business systems, applications, and end-user devices.
  • Serve as the
    first point of contact
    for the IT Helpdesk, managing incidents and ensuring SLA compliance.
  • Deploy, configure, and maintain
    desktops, laptops, printers, and peripherals
    .
  • Install, update, and troubleshoot
    software, patches, and security updates
    within Windows environments.
  • Manage
    Active Directory
    , including Users, Groups, OUs, Group Policy, NTFS Permissions, and DFS.
  • Administer and support the
    Microsoft 365 Tenant
    (Users, Groups, Teams, OneDrive, Exchange Online, SharePoint).
  • Support
    Windows Server
    services, including DHCP, DNS, print services, and DFS.
  • Assist with
    network troubleshooting
    (VLANs, TCP/IP, LAN/WAN, Wi-Fi, switches, routers, VPN configurations).
  • Provide support for
    audio-visual equipment
    and meeting room technology.
  • Maintain accurate
    IT asset tracking
    for mobiles, laptops, and PCs.
  • Produce and maintain
    technical documentation
    for processes, configurations, and troubleshooting steps.

Skills, Experience & Attributes

  • 3–5 years
    experience in an IT support role handling 1st–3rd line issues.
  • Strong understanding of
    Windows 11 deployment, maintenance, and troubleshooting
    .
  • Proficiency with
    Active Directory
    , Group Policy, and Windows Server administration.
  • Experience supporting
    Microsoft 365 Apps
    and
    hybrid environments
    (Exchange Online, Teams, OneDrive).
  • Solid troubleshooting skills for
    network connectivity
    , TCP/IP, VLANs, VPNs, and general networking issues.
  • Basic knowledge of
    IT security best practices
    , endpoint protection, and compliance.
  • Experience supporting
    AV systems
    and meeting room technologies.
  • Strong organisational skills with ability to prioritise tasks and manage incidents efficiently.
  • Excellent interpersonal and communication skills; comfortable in a
    client-facing
    , service-oriented role.
  • Demonstrated eagerness to learn and adopt new technologies across IT infrastructure.
  • Ability to work both
    independently and collaboratively
    within a global IT team.


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