S
Not Specified Permanent

Santa Clara, California · USA job

Sr. IT Support Administrator

SiTime

Santa Clara, California

Job description

Overview

In this role you will provide advanced IT support and systems administration for a hybrid end-user environment. You act as an escalation point for complex issues and own identity, access, and security controls, SaaS platform support, and IT operations. You'll work cross-functionally with IT and security teams to improve endpoint reliability and security while enabling business productivity with scalable solutions.

Compensation / Benefits
  • 401k plan
  • medical, dental, vision, life insurance
  • parental leave
  • legal services
  • time off plans
  • equity grants
Responsibilities
  • Administer hybrid identity environments (Active Directory and Microsoft Entra ID) for secure, scalable identity services
  • Oversee end-to-end user lifecycle management (onboarding, role changes, offboarding) with focus on access controls and automation
  • Provide advanced OS support (Windows, macOS, Linux) and serve as escalation point for complex issues
  • Troubleshoot hardware, laptops/desktops/servers/mobile devices/AV equipment and conference room systems
  • Collaborate with senior IT/security teams on endpoint security, backups, deployment, and patching
  • Manage Microsoft 365 services (Exchange Online, Teams, OneDrive, SharePoint) for availability and security
  • Support cloud infrastructure in Microsoft Entra and AWS (VMs, networking, identity, access controls)
  • Perform advanced network troubleshooting (IP, DNS, DHCP, VPN)
  • Maintain VMware virtualization (ESXi, vCenter) and develop PowerShell scripts for automation
  • Uphold security best practices, monitor systems, and resolve security incidents
  • Contribute to documentation, processes, and IT maturity for scalability
Key requirements
  • Bachelor's degree in IT, Computer Science, or related field, or equivalent practical experience
  • 7+ years in IT support or systems administration in a corporate/enterprise setting
  • Experience with enterprise IT environments
  • IT certification is a plus
  • Independent work style with ability to manage multiple priorities
  • Strong collaboration across global teams
  • Excellent verbal and written communication
  • Windows, macOS, Linux support
  • Active Directory and Microsoft Entra ID
  • Microsoft 365 (Exchange Online, Teams, OneDrive, SharePoint)

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