Microsoft 365 Collaboration Services System Administrator
Job in
Houston, Harris County, Texas, 77007, USA
Listed on 2026-06-11
Listing for:
Dow
Full Time
position Listed on 2026-06-11
Job specializations:
-
IT/Tech
IT Support, Cloud Computing, Systems Administrator, IT Consultant
Job Description & How to Apply Below
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:06/04/2026
Job Number:
R2066027
Position Type:
Regular
Workplace Type:
Onsite
Apply Now ( R2066027/apply)
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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 in Midland, 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, One Drive 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 function and 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 One Drive 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 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 One Drive content.
+ Develop and maintain Power Shell scripts and automation for administrative tasks, reporting, health monitoring, bulk operations, and governance signals (e.g., owner attestation, guest recertification, One Drive 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…
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