Microsoft 365 Collaboration Services System Administrator

Responsibilities

• Provide Level 3–4 system administration and engineering for Microsoft Exchange Online, SharePoint Online, OneDrive for Business, and Microsoft Teams.
• Manage hybrid configuration, mail flow architecture, and SMTP relay governance for business-critical systems.
• Administer SharePoint and OneDrive site provisioning, governance, permission management, and file share migrations.
• Oversee Microsoft Teams tenant policies, governance, and app ecosystem compliance.
• Perform security patching, hardening, and manage Entra ID role assignments (PIM/JIT) and RBAC.
• Support Microsoft Purview compliance functions, including eDiscovery, Data Loss Prevention (DLP), and retention policies.
• Develop and maintain PowerShell scripts for automation, reporting, and health monitoring across all M365 workloads.
• Monitor Microsoft Message Center for roadmap changes and coordinate feature rollouts with internal stakeholders.

Requirements

• Bachelor’s degree or equivalent military experience (E5 or above) or 5 years of relevant professional experience.
• Minimum of 2 years of experience administering Microsoft 365 services (Exchange, SharePoint, Teams, or OneDrive).
• Demonstrated proficiency in PowerShell scripting for M365 automation and troubleshooting.
• Hands-on experience with Microsoft Entra ID (Azure AD) identity management and RBAC.
• Ability to work overtime, weekends, and holidays as needed, including participating in an on-call rotation.
• Legal authorization to work in the United States without visa sponsorship.

Preferred Qualifications

• Experience with Microsoft Purview compliance tools, multi-geo M365 configurations, and email security gateways.
• Microsoft certifications such as Microsoft 365 Certified: Administrator Expert or Teams/SharePoint Administrator Associate.
• Experience using ServiceNow for incident and change management.

Benefits

• Equitable and market-competitive base pay and bonus opportunities.
• Comprehensive medical, life, and dental insurance packages.
• Competitive retirement programs and employee stock purchase programs.
• Student Debt Retirement Savings Match Program (U.S. only).
• Paid time off for vacations, new parents, and family care.
• Opportunities for continuous learning, mentoring, and professional growth.

About the Company

Dow is one of the world’s leading materials science companies, serving customers in high-growth markets such as packaging, infrastructure, mobility, and consumer applications. With approximately 36,000 employees across 30 countries, Dow is committed to delivering a sustainable future through science, innovation, and collaboration.