Systems Security Administrator

Description Robert Half is seeking a Systems Administrator to support a gaming industry client based in Bellevue, WA. This role partners closely with Information Security teams to plan and deliver endpoint, server, patch management, and security‑driven IT initiatives within a hybrid enterprise environment. Job Details +

Schedule:

Monday-Friday, 8:00 AM to 5:00 PM PST + On‑

Call Rotation:

24‑hour on‑call rotation every 6 weeks +

Contract Duration:

Long term +

Location:

Remote Key Responsibilities + Own endpoint, server, and application patching across Windows, macOS, and Linux environments using Intune, Jamf, and Patch My PC to ensure security, stability, and compliance + Lead vulnerability remediation and security‑aligned system hardening in partnership with Information Security, including support for Microsoft 365, Exchange, and email security platforms + Provide hands‑on systems and endpoint administration, serving as an escalation point for complex server and endpoint issues and supporting deployments and lifecycle management + Participate in incident response and on‑call rotations, troubleshooting outages, patching failures, and security‑related events with sound judgment under pressure + Drive operational improvements through documentation, runbooks, root cause analysis, and automation to improve reliability and reduce risk Requirements Hands‑on experience supporting Linux and Windows Server environments (2016 and newer) Experience administering macOS environments Strong working knowledge of Microsoft 365 backend administration Experience managing Mimecast, including spam filtering and email security Proven experience with endpoint management tools and processes Solid background in server administration and management  Technology Doesn't Change the World, People Do.® Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles. Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information. © 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking "," you're agreeing to Robert Half's Terms of Use (https://www.roberthalf.com/us/en/terms) and Privacy Notice (https://www.roberthalf.com/us/en/privacy) .