Senior Desktop Support Engineer – Escalations & Security

SISL Global; Sassenheim; On-site; EUR 42,000 - 56,000; Full time

Job summary

SISL Global is seeking an experienced Desktop Support Engineer (Band 3) to provide advanced technical support for end-user systems. The role covers escalations, patch management, endpoint security, and IT audits, across Windows, macOS, Linux, and virtual environments.

The position requires 4–6 years of desktop/end-user support experience, strong troubleshooting, and familiarity with AD, GPO, and ITIL processes. Knowledge of trading applications is a plus.

Qualifications

• 4–6 years of experience in Desktop/End-User Support.

Responsibilities

• Provide Level 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.

Skills

Desktop Support

Windows 10/11

Windows Server 2003-2019

Ubuntu Linux

Mac OS

VMware

Hyper-V

Active Directory

LDAP/RADIUS

IPsec/SSL VPN

2FA

CrowdStrike

ESET

ITIL

Trading Apps

Patch management

Tools

Group Policy

Patch Management Tools

Job description

SISL Global is seeking an experienced Desktop Support Engineer (Band 3) to provide advanced technical support for end-user systems. The role covers escalations, patch management, endpoint security, and IT audits, across Windows, macOS, Linux, and virtual environments.

The position requires 4–6 years of desktop/end-user support experience, strong troubleshooting, and familiarity with AD, GPO, and ITIL processes. Knowledge of trading applications is a plus.