Sr. Infrastructure Engineer - M365 Platform and Messaging

Sr. Infrastructure Engineer - M365 Platform and Messaging

Location(s):
Toledo, OH, US , Tampa, FL, US 33605

Function:
Information Technology

Audience:
Experienced Professional

Work Arrangement:
Hybrid

Requisition

Owens Corning’s Global Information Services (GIS) provides a technology platform that supports the company’s growing global business needs. The Sr. Infrastructure Engineer – M365 Platform and Messaging is a key member of the Global Infrastructure & Operations (GIO) organization and is responsible for leading the Microsoft 365 capability and associated platform technologies. This role will focus on partnering across GIS, GIO, and with our operations partner to drive business value through execution and problem‑solving.

The Sr. Infrastructure Engineer – M365 Platform and Messaging is responsible for platform lifecycle management, maintaining system integrity, and leading improvements for Microsoft 365 and Messaging platforms. Key duties include managing M365 license strategy, overseeing hybrid Exchange setups, and owning Teams platform operations.

Reports to:

GIO Leader, Digital Workplace

Span of Control:
Individual contributor

Knowing Our Businesses and their Strategies

• Develop and maintain a strong understanding of Owens Corning specific business processes and operations locally and globally
• Build relationships within the organization, cross-functionally, and with key business stakeholders; continuously enhance connection to remain aligned with core objectives
• Understand how IT infrastructure and services are directly aligned with the company's strategic objectives by regularly engaging with vendors and key business stakeholders focused on distributed, enterprise, and cloud technologies and solutions
• Additional understanding of global business objectives through engagement with leaders and stakeholders

Executing Strategy

• Assist in monitoring and assessing the health, capacity, and performance of Digital Workplace platforms, proactively identifying opportunities for optimization and mitigating risks
• Provide technical guidance throughout the lifecycle of Digital Workplace platforms — including patching, upgrades, and refresh strategies for the region
• Collaborate with architecture and operations teams to design and implement enhancements that significantly improve reliability, efficiency, and supportability of Digital Workplace platforms
• Establish and maintain engineering standards, templates, and automation patterns for Microsoft 365, Exchange Online, and Teams to ensure consistent, secure, and scalable platform configuration.
• Lead backend configuration and optimization of Microsoft 365 services—including user identity, licensing models, messaging systems, Teams governance, and platform integrations—to maximize reliability and alignment with enterprise infrastructure needs.
• Evaluate new platform capabilities, features, and tools within M365, messaging, and Teams; recommend adoption strategies to improve service performance, simplify management, and enhance end‑user experience.
• Drive engineering-focused problem solving by performing deep‑dive analysis of platform issues, conducting root cause evaluations, and developing long‑term remediation and prevention strategies while leveraging partner resources for operational tasks.
• Identify and implement automation opportunities across user lifecycle management, messaging operations, platform configuration, and governance workflows to reduce manual effort and strengthen control posture.
• Collaborate with architecture, security, and operations teams to design and implement enhancements that improve the resiliency, security, and supportability of Microsoft 365 and messaging platforms, ensuring alignment with enterprise standards and compliance requirements.

• Act as a technical lead and subject matter expert for infrastructure‑related projects and initiatives within the region
• Ensure new applications and services are onboarded efficiently and that Digital Workplace platforms are fully aligned with evolving business needs
• Participate actively in capacity planning and…