Senior System Administrator – Desktop Expertise

Responsibilities

• Administer and support GN desktop environments, ensuring reliability, security, and performance.
• Manage operating system deployment, image creation, software packaging, and patch distribution.
• Troubleshoot and resolve complex desktop-related technical issues escalated from the Service Desk.
• Maintain endpoint management tools such as Intune, MECM, or Group Policy.
• Develop and maintain scripts, automation routines, and configuration baselines.
• Implement endpoint security practices and collaborate with cybersecurity teams.
• Maintain detailed documentation and contribute to standard operating procedures.
• Participate in projects involving workstation upgrades, migrations, or roll‑outs.
• Provide mentorship to junior technicians and support staff.

• Minimum 3–5+ years of progressive experience in desktop engineering, endpoint management, or system administration.
• Degree or diploma in Information Technology, Computer Systems, or related field.
• Certifications in Microsoft technologies (MD-100/MD-101, MCSA/MCSE, or Modern Desktop Administrator Associate) – preferred.
• Experience with endpoint management platforms such as Intune, SCCM/MECM, or VMware Workspace ONE.
• ITIL Foundation certification – an asset.
• Strong knowledge of Windows desktop OS, device imaging, software deployment, group policies, and endpoint security controls.
• Experience managing desktop infrastructure in enterprise‑scale environments.
• Ability to diagnose complex technical issues related to operating systems, drivers, profiles, and authentication.
• Experience developing automation scripts (Power Shell preferred).
• Familiarity with M365 services, user identity management, and Azure AD/Entra .
• Strong understanding of endpoint hardening, patching, compliance, and vulnerability management.
• Excellent communication and documentation skills.
• Ability to work independently and support Tier 2–3 escalations.