Senior System Administrator Job at LHH, Sunnyvale, CA

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  • LHH
  • Sunnyvale, CA

Job Description

We’re looking for a skilled Sr. System Administrator to join our client's dynamic and expanding technology team. This individual will play a key role in delivering secure, high-quality technical support across a distributed workforce, with a strong emphasis on executive-level service and operational excellence. This is a fully onsite role in the San Francisco Bay area.

Responsibilities:

  • Provide responsive, high-touch IT support for both remote, in-office staff, and Executives
  • Administer Microsoft 365 tools including Exchange, SharePoint, Teams, and compliance features.
  • Manage user/device lifecycle and access policies in Hybrid Azure AD.
  • Oversee endpoint management across Windows, macOS, iOS, and Android platforms.
  • Troubleshoot and support collaboration and security tools across the enterprise.
  • Execute full-cycle onboarding/offboarding including account setup, device provisioning, and access control.
  • Maintain IT asset inventory and lifecycle processes from procurement to decommissioning.
  • Collaborate with internal teams to enhance systems, processes, and user experience.
  • Participate in technology initiatives including upgrades, integrations, and automation.
  • Provide on-call support as part of a global rotation.
  • Communicate clearly and empathetically across all levels of the organization, maintaining a high standard of service.

Qualifications:

  • Minimum 5 years of experience in IT support or systems administration
  • Proficient in managing Microsoft 365 and Hybrid Azure AD environments.
  • Hands-on expertise with Intune for endpoint and mobile device management.
  • Advanced macOS support experience, including administration via Jamf.
  • Strong support capabilities for collaboration tools including Zoom, Slack, and mobile platforms (iOS/Android).
  • Familiarity with enterprise-grade security tools such as email filtering, cloud access security brokers, and endpoint protection.
  • Experience with IT asset lifecycle platforms (e.g., ServiceNow, Snipe-IT), including compliance and reporting.
  • Proven track record executing onboarding/offboarding processes with attention to security and user experience.
  • Solid understanding of networking principles including VPN, Wi-Fi, and cloud security.
  • Excellent communication skills and comfort working with senior stakeholders.
  • Ability to prioritize effectively in a fast-moving, service-oriented environment.
  • Bachelor’s degree preferred or equivalent professional experience.
  • Bonus: Background in venture capital, wealth management, or financial services.

Benefits:

  • 100% paid Medical, Dental, Vision
  • 401k match with immediate vesting
  • 4 weeks PTO
  • FSA, HSA, EAP, and Commuter Programs
  • Parenting and fertility support

Equal Opportunity Employer/Veterans/Disabled

To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to

The Company will consider qualified applicants with arrest and conviction records in accordance with federal, state, and local laws and/or security clearance requirements, including, as applicable:

• The California Fair Chance Act

• Los Angeles City Fair Chance Ordinance

• Los Angeles County Fair Chance Ordinance for Employers

• San Francisco Fair Chance Ordinance

Job Tags

Work at office, Local area, Immediate start,

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