Senior Systems Administrator – End User Computing

About the role

iSupport Worldwide is seeking a Senior Systems Administrator focused on End User Computing for an enterprise client. The role is hands‑on, senior‑level, and serves as the primary escalation point for complex help‑desk issues while ensuring a secure and stable digital workplace.

Key responsibilities

• Act as senior escalation point for advanced hardware, software, OS, and access issues.
• Administer Microsoft Intune, manage device enrollment, configuration profiles, compliance policies, and application deployments.
• Support Windows Autopilot provisioning and oversee endpoint lifecycle management.
• Provide expert troubleshooting for Windows 10/11 endpoints, including OS, application, hardware, and peripheral problems.
• Administer Microsoft 365 services (Exchange, Teams, SharePoint, OneDrive) and handle user provisioning, de‑provisioning, MFA, and device compliance.
• Maintain IT documentation, SOPs, and knowledge‑base articles; follow onboarding, off‑boarding, patching, and lifecycle processes.
• Execute endpoint patching, monitor software versions, and remediate non‑compliant devices.
• Deliver global user support with occasional U.S. time‑zone overlap.

Required profile

• 5–8 years of experience in Systems Administration, End User Computing, or senior IT support.
• Strong hands‑on experience with Windows 10/11 and Microsoft 365 environments.
• Practical experience administering Microsoft Intune (required).
• Proven ability to troubleshoot complex OS, application, and hardware issues.
• Excellent documentation and communication skills.
• Willingness to report to the office 1–2 times per week.

Required skills

• Windows 10/11 administration
• Microsoft 365 (Exchange, Teams, SharePoint, OneDrive)
• Microsoft Intune
• Windows Autopilot
• Multi‑Factor Authentication (MFA)
• Endpoint patch and software management
• Help‑desk ticketing and escalation workflows