Microsoft 365 Collaboration Services System Administrator

Dow•Midland, MI

3d•Hybrid

About The Position

Dow has an exciting and rewarding opportunity for a Microsoft 365 Collaboration Services System Administrator located 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, 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.

Requirements

A minimum of a bachelor’s degree or relevant military experience at or above a U.S. E5 ranking or Canadian 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.
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.
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
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.
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).
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.
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 and with minimal supervision
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.
Self-starter who stays current with Microsoft roadmap changes, Message Center announcements, and evolving security threats; proactively evaluates new features and capabilities and drives adoption across the organization.
Experience with ITIL-based incident management, ServiceNow (or equivalent) ticketing systems, SLA management, change management processes (CAB, release calendars), and on-call escalation protocols for P1 incidents.

Nice To Haves

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).

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.

Benefits

Equitable and market-competitive base pay and bonus opportunity across our global markets, along with locally relevant incentives.
Benefits and programs to support your physical, mental, financial, and social well-being, to help you get the care you need...when you need it.
Competitive retirement program that may include company-provided benefits, savings opportunities, financial planning, and educational resources to help you achieve your long term financial-goals.
Employee stock purchase programs (availability varies depending on location).
Student Debt Retirement Savings Match Program (U.S. only).
Robust medical and life insurance packages that offer a variety of coverage options to meet your individual needs.
Travel insurance is also available in certain countries/locations.
Opportunities to learn and grow through training and mentoring, work experiences, community involvement and team building.
Workplace culture empowering role-based flexibility to maximize personal productivity and balance personal needs.
Competitive yearly vacation allowance.
Paid time off for new parents (birthing and non-birthing, including adoptive and foster parents).
Paid time off to care for family members who are sick or injured.
Paid time off to support volunteering and Employee Resource Group’s (ERG) participation.
Wellbeing Portal for all Dow employees, our one-stop shop to promote wellbeing, empowering employees to take ownership of their entire wellbeing journey.
On-site fitness facilities to help stay healthy and active (availability varies depending on location).
Employee discounts for online shopping, cinema tickets, gym memberships and more.
Transportation allowance (availability varies depending on location)
Meal subsidiaries/vouchers (availability varies depending on location)
Carbon-neutral transportation incentives e.g. bike to work (availability varies depending on location)