Senior IT Systems Administrator

Post Date

May 12, 2025

Location

South San Francisco,
California

ZIP/Postal Code

94080
US
Aug 14, 2025 Insight Global

Job Type

Contract

Category

System Administrator

Req #

SFR-781918

Pay Rate

$51 - $64 (hourly estimate)

Job Description

We seek a skilled Senior IT Systems Administrator to play a critical role in managing and securing our IT infrastructure. This position is ideal for a self-starter with extensive experience in hybrid Microsoft environments, security, automation, and troubleshooting.

The ideal candidate will have expertise in managing Hybrid Active Directory, Microsoft Exchange, Proofpoint email security, Microsoft Defender for Endpoints, and Windows Server environments, along with strong problem-solving skills and attention to detail.

We are a company committed to creating inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity employer that believes everyone matters. Qualified candidates will receive consideration for employment opportunities without regard to race, religion, sex, age, marital status, national origin, sexual orientation, citizenship status, disability, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to Human Resources Request Form. The EEOC "Know Your Rights" Poster is available here.

To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/ .

Required Skills & Experience

5+ years managing Hybrid Microsoft Exchange Server and Microsoft Exchange Online.
5+ years supporting Hybrid Microsoft AD & Entra ID environments.
Experience with Microsoft Defender for Endpoints and enterprise endpoint security solutions.
Proficiency in PowerShell or Python scripting for task automation.
Strong problem-solving and communication skills with the ability to work independently.
Bachelors degree in IT, Computer Science, Cybersecurity, or equivalent experience (6+ years).
Ability to respond to urgent infrastructure needs and manage IT service tickets effectively.

Nice to Have Skills & Experience

Experience in a help desk escalation role for 150+ users.
Familiarity with JIRA, Confluence or Perforce for IT documentation and issue tracking.
Relevant certifications (e.g., Windows Server Hybrid Administrator Associate).
SAN Administration experience is a plus.

Benefit packages for this role will start on the 31st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.