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Information Technology Support Specialist

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: SISL Global
Full Time position
Listed on 2026-10-18
Job specializations:
  • IT/Tech
    IT Support, Systems Administrator
Salary/Wage Range or Industry Benchmark: 32000 - 52000 GBP Yearly GBP 32000.00 52000.00 YEAR
Job Description & How to Apply Below

We are looking for an experienced Desktop Support Engineer (Band
3) who can provide advanced technical support, handle escalated incidents, and ensure smooth functioning of end-user systems across the organization.

Key Responsibilities
  • Provide Level 2 & 3 support for desktops, laptops, OS, and enterprise applications.
  • Handle escalations from L1 and L2 teams and resolve complex technical issues.
  • Manage patch updates, endpoint security, and compliance checks.
  • Support users with network connectivity, VPN, printers, and hardware issues.
  • Coordinate with infrastructure/security teams for problem resolution.
  • Maintain accurate documentation of incidents, solutions, and preventive actions.
  • Participate in IT audits and ensure compliance with company standards.
Required Skills :

Systems:
Windows 10/11, Windows Server , Ubuntu Linux, Mac OS, VMWare, Hyper-V Networking: TCP/IP, IPAM, DHCP, DNS, SNMP, Wireshark, TCPDUMP, Observium, Net Box Security:
Active Directory, LDAP/RADIUS, IPsec/SSL VPN, 2FA, Crowdstrike, ESET

Trading Apps experience Candidates will be preferred

Activ, Axe Trader, Bloomberg, Eikon, IB Trader Workstation, Live Vol Pro, Market Axess, Matrix, Micro hedge, Real Tick, ROX, Sterling Trader/Manager, Trade Web, Trumid

Skills & Qualifications
  • 3–5years of experience in Desktop/End-User Support
    .
  • Strong troubleshooting skills in Windows, macOS, O365, VPN, and hardware
    .
  • Hands-on experience with Active Directory, Group Policy, and patch management tools
    .
  • Knowledge of ITIL processes (Incident, Change, Problem Management).
  • Good communication and customer-handling skills.
  • Preferred:
    MCSA/MCSE, ITIL Foundation, CompTIA A+/N+.
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