Sr. Operational Technology; OT​/ICS) Security Architect

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

Function:
Information Technology

Audience:
Experienced Professional

Work Arrangement:
On Site

Requisition

The Sr. OT Security Architect is a key member of the Owens Corning Global Information Services (GIS) Security organization. This role is responsible for defining, implementing, and governing Operational Technology (OT) security architecture, security operations capabilities, and cybersecurity standards across Owens Corning's global manufacturing environments.

The role serves as the technical leader for OT cybersecurity initiatives, ensuring secure design principles, defense-in-depth strategies, and consistent security controls are deployed across manufacturing sites. Key accountabilities include building and maturing OT Security Operations capabilities, developing OT security standards, governing firewall architecture and policy management, and driving vulnerability management, patching, and remediation programs.

This position partners with Manufacturing, Engineering, Infrastructure, Cybersecurity, the IT Security Operations Center, site teams, and external service providers to identify and mitigate cyber risk while maintaining reliability, availability, safety, and continuity of manufacturing operations. The role also provides oversight of OT monitoring, incident response and recovery, technology lifecycle management, and monthly security metrics and dashboards.

Reports to:

Director, Manufacturing Security & Infrastructure

Span of Control:
Individual Contributor; will coordinate work of third-party resources

• Understand the strategic direction of the company's businesses and execute technical strategies to enhance business results
• 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/OT Security and services are directly aligned with the company's strategic objectives by regularly engaging with key business stakeholders
• Know what best‑in‑class IT organizations do and obtain outside‑in market insights to understand and then apply to positively impact Owens Corning.

• Define, maintain, and govern global OT security architecture standards, patterns, reference designs, and technical requirements.
• Maintain secure design principles aligned with the Purdue Model, defense in depth, least privilege, ISA/IEC 62443, NIST guidance, and applicable industry practices.
• With oversight, will develop and maintain OT security standards, procedures, roadmaps, technical specifications, implementation guidance, and architecture decision records.
• Perform security architecture reviews for manufacturing systems, network designs, segmentation, remote access, cloud integrations, digital manufacturing initiatives, and material technology changes.
• Provide technical leadership for global OT security initiatives and participate in risk reviews for new technologies, projects, acquisitions, integrations, and modernization efforts.
• Govern security exceptions, compensating controls, residual-risk documentation, and architecture acceptance decisions.

• Lead the OT vulnerability management process from discovery through risk assessment, prioritization, remediation planning, exception management, validation, and…