System Administrator, Microsoft 365

Overview Join a team that values your ambition and empowers your growth. At Corient, we help high- and ultra-high-net-worth individuals and families to enjoy a full life, while enabling them to preserve their wealth for future generations, and provide for the people, causes and communities they care about. We focus on exceeding expectations, simplifying lives, and establishing legacies that last for generations. We are always looking for talented and motivated individuals to join our team. If you want to work for a company that values your contributions and supports your growth, we would like to meet you. Key Responsibilities Administer and maintain Exchange Online, including mail flow, mailbox permissions, transport rules, and hybrid configurations. Manage Microsoft Teams settings, policies, and integrations with other M365 services. Oversee Microsoft Purview for compliance, data governance, and lifecycle management. Monitor service health, usage analytics, and proactively resolve issues across M365 services. Plan and execute email migrations between Microsoft365 tenants using BitTitan MigrationWiz. Perform domain migrations between tenants, including DNS updates, domain verification, and service reconfiguration. Manage domain registrars, including renewals, DNS record updates, and registrar transfers. Coordinate with internal and external stakeholders to ensure seamless transitions with minimal disruption. Implement and manage DLP, retention policies, eDiscovery, and compliance manager settings in MicrosoftPurview. Perform searches and exports of email data from journaling providers to support legal, compliance, and archival requirements. Ensure M365 configurations align with organizational security and compliance standards. Develop and maintain PowerShell scripts to automate administrative tasks and generate reports. Document procedures, configurations, and change management activities. Provide Level3 support for Microsoft365‑related incidents and escalations. Collaborate with infrastructure, security, and compliance teams to support business needs. Qualifications 3+ years of experience administering Microsoft365 environments. Strong expertise in ExchangeOnline, MicrosoftTeams, and MicrosoftPurview. Proven experience with BitTitan MigrationWiz for tenant‑to‑tenant migrations. Experience migrating domains between Microsoft365 tenants and managing domain registrars. Experience with email journaling systems and exporting data for compliance or legal purposes. Proficiency in PowerShell scripting for automation and reporting. Familiarity with Microsoft365 security and compliance frameworks. Excellent troubleshooting, communication, and documentation skills. Microsoft certifications (e.g., MS‑203, MS‑700, SC‑400) are a plus. Preferred Skills Experience with hybrid Exchange environments. Knowledge of MicrosoftEntraID (formerly AzureAD) and conditional access policies. Familiarity with MicrosoftDefender for Office365. Microsoft Learning modules: Enabling & Managing Office365 (M20347), Office365 Administration and Troubleshooting (M10997), Administering MicrosoftExchange Server2016 (M20345), SharePoint2016 for Site Owners (6870L), SharePoint2016 for Site Members (6869L). Benefits 401(k) Plan with Employer Matching Four Medical Plan options subsidized by Corient Employer‑paid Dental, Vision & Life and AD&D Insurance Employer‑paid Short‑term & Long‑term Disability Paid Maternity & Parental Leave Flexible Spending Accounts & Health Savings Accounts Dependent Care FSA Commuter & Transit FSA Corporate Discount Program – Perkspot Training Reimbursement Paid Professional Designations Volunteer Days Physical Requirements This position requires the physical capabilities to work in an office environment, which may include prolonged periods of sitting at a desk and working on a computer. Corient seeks to make reasonable accommodations that enable individuals with disabilities to perform essential duties when possible. This position may require the ability to lift up to 15 pounds. This position is required to work onsite 4 days per week. Eligibility Must be 18 years of age or older. Must have unrestricted work authorization to work in the United States. For U.S. employment opportunities, Corient hires U.S. citizens or permanent residents. Exceptions to these requirements will be determined based on shortage of qualified candidates with a particular skill. Corient will require proof of work authorization. Corient participates in E‑Verify and will provide the federal government with your FormI‑9 information to confirm that you are authorized to work in the U.S. If E‑Verify cannot confirm that you are authorized to work, this employer is required to give you written instructions and an opportunity to contact Department of Homeland Security (DHS) or Social Security Administration (SSA) so you can begin to resolve the issue before the employer can take any action against you, including terminating your employment. Employers can only use E‑Verify once you have accepted a job offer and completed the FormI‑9. Must be willing to execute Corient’s Employee Agreement or Confidentiality and Non‑Disclosure Agreement, which require, among other things, post‑employment obligations relating to non‑solicitation, confidentiality, and non‑disclosure. EEO Statement We are an equal opportunity employer. All candidates will be recruited and, if applicable, selected and employed without regard to sex, race, religion, marital status, veteran status, age, national origin, sexual orientation, gender identity, color, creed, ancestry, disability, genetic information or any other basis prohibited by law. #J-18808-Ljbffr