Senior Microsoft 365 Administrator

Wilson Sonsini is the premier legal advisor to technology, life sciences, and other growth enterprises worldwide. We represent companies at every stage of development, from entrepreneurial start-ups to multibillion-dollar global corporations, as well as the venture firms, private equity firms, and investment banks that finance and advise them. The firm has approximately 1,100 attorneys in 17 offices: 13 in the U.S., two in China, and two in Europe. Our broad spectrum of practices and entrepreneurial spirit allow exceptional opportunities for professional achievement and career growth. Microsoft 365 is where our attorneys and staff do their work every day. As Senior Microsoft 365 Administrator, you’ll keep it secure, reliable, and evolving. You’ll lead the migration of key services into M365, keep our tenants aligned with firm security and risk standards, and partner with IT Operations, Security, Risk, Applications, and Communications to support attorneys, practice groups, and administrative teams.This is a fully remote opportunity. Essential Duties and Responsibilities:Email and securityAdminister Exchange OnlineManage Mimecast policies and configuration (spam, malware, and other threats)Help manage the firm’s email archiving solutionIdentity and accessAdminister Entra ID: user and group lifecycle, licensing, and device registrationManage and troubleshoot hybrid identity, including Entra Connect sync with on-premises Active DirectoryManage enterprise apps, app registrations, and B2B guest access, and support periodic access reviewsMobile devicesSupport mobile devices on AirWatch and help move us to IntuneCollaboration and conferencingSupport Teams, SharePoint, and OneDriveWork with Communications on AV conferencing equipmentSecurity, compliance, and performanceSupport our Purview and Defender implementations alongside IT Security and RiskRun root cause analysis on cloud performance issues to restore service quickly and stop repeat problemsDocumentation and knowledge sharingDocument the services you manageStay current on M365 developments and share what you learn with IT engineers and developersEducation and/or Work Experience Requirements:7+ years as a Microsoft 365 Administrator, or comparable experienceHands-on administration of Exchange Online, Teams, SharePoint Online, Purview, Copilot, OneDrive, and Intune3+ years administering Entra ID (formerly Azure AD), including hybrid identity with Entra ConnectWorking knowledge of Conditional Access, MFA, and SSO (SAML/OIDC)Experience with email security and mail gateway policy managementExperience troubleshooting authentication and access issues across Exchange Online, Teams, OneDrive, and IntuneUnderstanding of M365 integrations using Graph APIWorking Mentality You spot problems early and come with solutionsYou collaborate across IT and explain things clearly to both engineers and non-technical audiencesYou keep multiple projects moving at onceYou handle confidential information with discretionYou’re available for 24/7 support when critical issues arisePreferred BA; experience in the legal industryMicrosoft 365 certification (Administrator Expert, MS-102) or SC-300Experience migrating MDM platforms, such as AirWatch to IntunePowerShell or Graph automation for M365 and identityEntra ID Governance experience: Privileged Identity Management, access reviews, entitlement managementIdentity protection, risk-based policies, and sign-in log analysisExperience with AI tools such as Copilot or ClaudeExperience supporting AV and conferencing equipmentThe primary location for this job posting is in Palo Alto, but other locations may be listed. The actual base pay offered will depend upon a variety of factors, including but not limited to the selected candidate’s qualifications, years of relevant experience, level of education, professional certifications and licenses, and work location. The anticipated pay range for this position is as follows:Palo Alto, New York, San Francisco: $131,750 - $178,250 per year. Austin, Boston, Boulder, Century City, Delaware, Los Angeles, Salt Lake City, San Diego, Seattle, Washington, D.C., and all other locations: $119,000 - $161,000 per year.The compensation for this position may include a discretionary year-end merit bonus based on performance. We offer a highly competitive salary and benefits package. Benefits information can be found here. Equal Opportunity Employer (EOE). SummaryLocation: Palo Alto; Salt Lake City; San Francisco; San Diego; Century City; New York; Boulder; Los Angeles; Virtual / Remote; Seattle; Delaware; Washington, D.C.; Boston; AustinType: Full time