Microsoft 365 System Administrator

Dow

Microsoft 365 System Administrator for Dow, serving critical collaboration services across Exchange, SharePoint, Teams, and OneDrive. Key role in system administration and compliance management.

Posted 6/4/2026full-timeMidland • Missouri, Texas • 🇺🇸 United StatesJuniorMid-LevelWebsite

Tech Stack

Tools & technologies

AzureDNSSMTP

About the role

Key responsibilities & impact

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.

Requirements

What you’ll need

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.

Benefits

Comp & perks

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.
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.
Additionally, some of our locations might offer: Transportation allowance (availability varies depending on location) and Meal subsidiaries/vouchers (availability varies depending on location).

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Microsoft Exchange OnlineExchange ServerSharePoint OnlineOneDrive for BusinessMicrosoft TeamsPowerShell scriptingsecurity patchingupdate managementdata loss preventionrole-based access control

Soft Skills

solution consultationgovernancecommunicationmonitoringcollaborationproject managementstakeholder engagementtroubleshootingcompliancestrategic planning