Senior Systems Administrator – End User Computing

iSupport Worldwide is hiring a Senior Systems Administrator – End User Computing to support one of our enterprise clients. This is a senior individual contributor role focused on end‑user computing, endpoint reliability, and advanced technical support. The role serves as a senior escalation point within the Helpdesk function and works closely with IT leadership to ensure a secure, stable, and well‑managed digital workplace.

This position is hands‑on and execution‑focused, ideal for someone who enjoys technical problem‑solving, system administration, and process discipline without people management responsibilities.

Key Responsibilities

Senior Helpdesk Support and Escalation

• Act as a senior escalation point for complex Helpdesk issues

• Resolve advanced hardware, software, operating system, and access‑related issues

• Support ticket triage and escalation workflows aligned with SLAs

• Provide technical guidance and knowledge sharing to Helpdesk team members

Endpoint Administration (Intune and Autopilot)

• Administer and support the Microsoft Intune environment

• Manage device enrollment, configuration profiles, compliance policies, and application deployments

• Support Windows Autopilot provisioning and endpoint lifecycle management

• Ensure endpoints remain secure, compliant, and consistently configured

Windows 10/11 Administration

• Serve as a senior resource for Windows 10/11 endpoint issues

• Troubleshoot operating system, application, hardware, and peripheral issues

• Maintain and support standard workstation builds and configurations

Microsoft 365 Administration

• Administer and support Microsoft 365 services including Exchange, Teams, SharePoint, and OneDrive

• Perform user provisioning and deprovisioning

• Manage access and support identity and security integrations such as MFA and device compliance

Documentation and Process Adherence

• Maintain and update IT documentation, SOPs, and knowledge base articles

• Follow and reinforce established processes for onboarding, offboarding, patching, and endpoint lifecycle management

• Identify recurring issues and escalate improvement recommendations

Patch and Software Management

• Execute and monitor endpoint patching for operating systems and applications

• Ensure endpoints adhere to approved software versions and configurations

• Support remediation of non‑compliant devices

Global User Support

• Provide end‑user support for employees across different regions, including U.S. time zone overlap when required

Required Qualifications

• 5–8 years of experience in Systems Administration, End User Computing, or senior IT Support roles

• Strong hands‑on experience supporting Windows 10/11

• Strong experience administering Microsoft 365 environments

• Practical hands‑on experience with Microsoft Intune (required)

• Proven ability to troubleshoot complex issues across OS, applications, and hardware

• Strong documentation and communication skills

• Willing to report to the office 1–2 times per week

Preferred Qualifications

• Experience supporting remote or distributed workforces

• Exposure to Windows Autopilot

• Experience with endpoint security tools such as Microsoft Defender or Sophos

• PowerShell or scripting experience for administrative efficiency

• Interest in continued growth in endpoint or systems administration