Desktop Support Engineer — Windows & ITSM Expert

SISL Global; Greater London; On-site; GBP 32,000 - 46,000; Full time

Job summary

SISL Global is seeking a Desktop Technician to provide day-to-day desktop and remote support, log issues, and guide resolution with supervisors. You will troubleshoot hardware, software, and applications, documenting steps in tickets and ensuring consistency across shifts.

Candidates should have 3–5 years’ IT experience in Windows desktop support and infrastructure, with strong knowledge of AD, O365, devices, and basic networking. English language required.

Qualifications

• Bachelor’s degree or equivalent in Computer Science or related field.
• Minimum of 3-5 years of relevant IT experience.
• Windows 10-11, Active Directory, GPOs, MS Office 365, PC hardware installation and troubleshooting, Thin clients, VDI/Virtual client, Citrix client, antivirus solutions, Helpdesk ticketing systems.
• Basic understanding of network devices like switches, routers, firewalls and other managed/unmanaged network devices.
• Resource should be an English speaker and be well versed with local language.
• Mobile device management including iOS and Android devices, enterprise encryption solutions, Windows PC/laptop management via Active Directory.
• Proven analytical, troubleshooting, and problem-solving skills.
• Understands ITSM tools, and hands-on experience with ServiceNow.

Responsibilities

• Provide first/second level contact and problem resolution for customer issues.
• Work with vendors to remediate complex AV issues as needed.
• Provide timely communication on issue status and resolution.
• Maintain ticket updates for all reported incidents.
• Install, upgrade, support and troubleshoot Windows 10/11 and MS Office 365.
• Support Apple Mac users with basic knowledge of macOS.
• Install, upgrade, support and troubleshoot printers, computer hardware.
• Perform preventative maintenance on computers, laptops and printers.
• Perform remedial repairs on desktops, laptops, printers and peripherals.
• Use diagnostic tools to troubleshoot network connectivity and workstation hardware/software.
• Broad IT experience with basic understanding of networks, servers, AV, smart devices and telecoms.
• Coordinate with Service Desk and suppliers to manage on-site technical requests to resolution.

Skills

English speaking

Analytical skills

Troubleshooting

ITSM experience

Education

Bachelor’s degree in Computer Science

Equivalent experience

Tools

Windows 10-11

Active Directory

GPOs

MS Office 365

PC hardware installation

Thin clients

VDI / Virtual client

Citrix client

Antivirus solutions

Helpdesk ticketing systems

ServiceNow

Networking basics (switches/routers/firewalls)

Job description

SISL Global is seeking a Desktop Technician to provide day-to-day desktop and remote support, log issues, and guide resolution with supervisors. You will troubleshoot hardware, software, and applications, documenting steps in tickets and ensuring consistency across shifts.

Candidates should have 3–5 years’ IT experience in Windows desktop support and infrastructure, with strong knowledge of AD, O365, devices, and basic networking. English language required.