Microsoft 365 Collaboration Services System Administrator

At a glance

Position:

Microsoft 365

Collaboration Services System Administrator Primary Location:

Midland (MI, USA),

Michigan, United States of America Additional Locations:

Houston (TX, USA) + More -

Less Schedule:

Full time

Date Posted:

05/12/2026

Job Number:

R2066027

Position Type:

Regular Workplace Type:

Onsite At Dow, we believe in putting people first and we're passionate about delivering integrity, respect and safety to our customers, our employees and the planet. Our people are at the heart of our solutions. They reflect the communities we live in and the world where we do business. Their diversity is our strength. We're a community of relentless problem solvers that offers the daily opportunity to contribute with your perspective, transform industries and shape the future. Our purpose is simple - to deliver a sustainable future for the world through science and collaboration. If you're looking for a challenge and meaningful role, you're in the right place. About this role Dowhas an exciting and rewarding opportunity for aMicrosoft 365 Collaboration Services System Administratorlocated inMidland, MI or Houston, TX. In this role, you will serve as a key member of the ITS&S Collaboration Services team, providing Level 3-4 system administration across Dow's full Microsoft 365 platform - including Exchange Online and on-premises Exchange Server SE, SharePoint Online, OneDrive for Business, Microsoft Teams, and Microsoft Office 365 applications. Dow's M365 environment supports users globally and is mission-critical to virtually every Dow business functionand functions. You will provide solution consultation and engineering, drive security and compliance initiatives, support enterprise-scale and serve as a trusted technical advisor ensuring Dow's collaboration ecosystem is secure, compliant, and continuously improving. Responsibilities Provide Level 3-4 system administration, solution consultation, and engineering for Microsoft Exchange Online and on-premises Exchange Server SE infrastructure, including hybrid configuration management, SMTP relay governance for business-critical systems, mail flow architecture (connectors, transport rules, DNS/SPF/DKIM/DMARC), and mailbox lifecycle management. Administer SharePoint Online and OneDrive for Business, including site provisioning and governance, permission and access management, external sharing policies, Information Steward responsibilities, storage management, site modernization, file share-to-SharePoint migrations, and monitoring of high-risk admin changes across all management interfaces. Administer Microsoft Teams, including tenant policy, Teams governance (ownership lifecycle, archival processes), compliance, and app ecosystem governance (approval gates, permission policies, audits). Perform security patching, update management, and security hardening across servers and the M365 tenant; manage Entra ID role assignments (PIM/JIT), RBAC for applications, and conduct periodic admin access reviews across Exchange, SharePoint, and Teams admin roles to ensure least-privilege compliance. Support Microsoft Purview compliance functions across the M365 ecosystem, including eDiscovery and legal holds, Data Loss Prevention (DLP), retention labels and policies, audit log management, and data privacy requests (GDPR/SOX) spanning Exchange, SharePoint, Teams, and OneDrive content. Develop and maintain PowerShell scripts and automation for administrative tasks, reporting, health monitoring, bulk operations, and governance signals (e.g., owner attestation, guest recertification, OneDrive sync monitoring) across all M365 workloads. Actively monitor Microsoft Message Center posts, roadmap changes, and new feature releases; evaluate and prepare for rollouts; coordinate change communications with affected stakeholders; and drive feature enablement in partnership with Microsoft and internal teams (Security, Records Management, Data Privacy, Computer Services). Support strategic enterprise projects including migrations, Exchange infrastructure upgrades, licensing support, Microsoft feature deprecation, and cross-workload lifecycle alignment (Teams ? SharePoint ? Exchange) for retention and eDiscovery. Required Qualifications A minimum of a bachelor's degreeorrelevant military experience at or above a U.S. E5 rankingorCanadian Petty Officer 2nd Class or Sergeant or 5 years of experience in lieu of a bachelor's degree. Minimum of 2 years of relevant experience administering Microsoft 365 services, with hands-on expertise in at least two of the following: Exchange Online/Server, SharePoint Online, Microsoft Teams, or OneDrive for Business. 5+ years preferred. Demonstrated proficiency in PowerShell scripting for M365 administration, including automation, bulk operations, reporting, and troubleshooting across Exchange, SharePoint, and Teams. Hands-on experience with Microsoft Entra ID (Azure AD) identity management, including role-based access control (RBAC), Privileged Identity Management (PIM), and conditional access policies.

Schedule:

Work overtime, weekends, and holidays as needed. This role participates in an on-call rotation for M365 incident response and supports scheduled maintenance windows for server patching and tenant-wide changes. A minimum requirement for this U.S. based position is the ability to work legally in the United States. No visa sponsorship/support is available for this position, including for any type of U.S. permanent residency (green card) process. Preferred Qualifications Experience in contract lifecycle management (CLM), including drafting, negotiating, and redlining. Experience with Microsoft Purview compliance tools (eDiscovery, DLP, retention policies, legal holds, audit), multi-geo M365 configurations, email security gateways (e.g., Cisco IronPort), and ServiceNow ITSM for incident and change management. Microsoft certifications such as Microsoft 365

Certified:

Administrator Expert (MS-102), Messaging Administrator Associate (MS-203), Teams Administrator Associate (MS-700), or SharePoint Administrator (MS-721).

Skills PowerShell & Automation:

Advanced PowerShell scripting for Exchange, SharePoint, Teams, and OneDrive administration, including Graph

API, SPO

Management Shell, Teams PowerShell, and Exchange Online PowerShell modules for automation, reporting, and governance Microsoft 365

Platform Expertise:

Comprehensive understanding of the M365 ecosystem - Exchange Online, SharePoint Online, OneDrive, Teams, Office Apps - and how these services integrate and depend on each other for mail flow, collaboration, compliance, and retention.

Security & Compliance:

Deep understanding of M365 security practices including Entra ID role management (PIM/JIT), SharePoint admin change monitoring, Microsoft Purview (eDiscovery, DLP, retention, audit), data classification, and regulatory compliance (GDPR, SOX).

Communication:

Strong written and verbal communication skills; ability to collaborate across IT, Legal, Finance, HR, Operations, Security, Records Management, and external vendors (Microsoft); adept at adapting communication for technical and non-technical audiences, including leadership briefings and end-user guidance.

Troubleshooting & Problem Solving:

Expert-level ability to diagnose and resolve complex issues across Exchange mail flow, SharePoint site/permissions, Teams policies, OneDrive sync, and hybrid configurations under pressure with minimal supervision

Governance & Information Architecture:

Strong knowledge of SharePoint site governance (site lifecycle, permission models, external sharing, versioning, retention), Teams governance (ownership, archival, naming conventions), OneDrive policies, and file storage strategy across platforms.

Continuous Learning & Agility:

Self-starter who stays current with Microsoft roadmap changes, Message Center announcements, and evolving security threats; proactively e