Senior M365 Administrator (Microsoft Office 365)

TaniumBellevue, WA (Hybrid); DurhamPosted June 19, 2026

Want this job? Aria tailors your résumé to this role and submits the application on the employer's own platform — on your behalf. Free to start.

About this role

The Basics

We are seeking a highly skilled Collaboration Administrator with expertise in Microsoft 365 (M365), SharePoint, Exchange Online, Teams, and Slack to join the Identity and Collaboration team at Tanium. The ideal candidate will be a self-directed problem-solver who thrives in a fast-moving environment, adapts to shifting priorities, and drives work forward independently.

This position follows the Company’s hybrid schedule which currently requires employees to work in the office at one of the following locations a minimum of three days per week: Bellevue, WA; Durham, NC; or Emeryville, CA

What you'll do

• Administration and management of M365, Entra, SharePoint, Slack, Exchange Online, Teams

• Lead or participate in projects related to collaboration tools, identity, and M365

• Provide technical support and guidance to end-users, resolving complex issues related to M365, Identity, and Slack

• Manage permissions and access controls across platforms to ensure security and compliance

• Manage and secure Enterprise Apps and App Registrations

• Maintain comprehensive documentation of system configurations, processes, and procedures

<li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226]

Stop filling out applications one by one.