IT / OT Infrastructure and Cyber Architect

AdvanSix plays a critical role in global supply chains, innovating and delivering essential products for our customers in a wide variety of end markets and applications that touch people’s lives, such as building and construction, fertilizers, plastics, solvents, packaging, paints, coatings, adhesives, and electronics. Our reliable and sustainable supply of quality products emerges from the vertically integrated value chain of our three U.S. based manufacturing facilities. AdvanSix strives to deliver best-in-class customer experiences and differentiated products in the industries of nylon solutions, chemical intermediates, and plant nutrients, guided by our core values of Safety, Integrity, Accountability and Respect.

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Why work at AdvanSix ?

- We provide benefits that are industry competitive and focused on employee well-being

- Total Rewards program includes a competitive compensation, health, dental, vision & wellness programs, paid vacation, 401K with company matching, health savings programs, disability & life insurance, employee assistance program

- Tuition reimbursement for continued education, certifications, training, and development

- Work within a fast paced and innovative company, meeting passionate colleagues and partners with diverse backgrounds and experiences

Position Summary The IT-OT Infrastructure & Cyber Architect is responsible for defining, designing, and governing secure, resilient, and scalable infrastructure architectures and processes that are fit for purpose across enterprise IT and operational technology (OT) environments. This role ensures that infrastructure platforms—including networks, computers, cloud, identity, and industrial systems—are architected to meet business, operational, and cybersecurity requirements. In addition, this role will ensure cybersecurity architecture and processes meet the business requirements, best practices and industry standards. The Architect serves as a strategic bridge between IT, OT, and cybersecurity, ensuring alignment with enterprise architecture standards, cybersecurity frameworks, and business objectives while supporting digital transformation initiatives across manufacturing and corporate environments.

Key Responsibilities Infrastructure & Architecture

- Define and maintain target-state architecture for IT and OT infrastructure, including networks, servers, virtualization, cloud platforms, identity, and supporting services.

- Design secure, resilient, and scalable architectures for enterprise and plant environments, supporting availability, performance, and operational safety requirements.

- Develop and maintain architecture standards, patterns, and reference designs for IT and OT environments.

- Partner with enterprise architecture, application, and OT teams to ensure consistent adoption of standards and integration across domains.

OT & Industrial Systems

- Collaborate with OT teams to design and secure infrastructure supporting ICS, DCS, PLCs, SCADA, and plant network environments.

- Support secure IT/OT convergence while respecting operational constraints, safety, and uptime requirements.

- Ensure OT infrastructure designs align with industry best practices and regulatory expectations for industrial environments.

Cybersecurity Architecture

- Embed security-by-design principles into all IT and OT infrastructure architectures.

- Define and enforce cybersecurity architecture controls aligned to frameworks such as NIST CSF, NIST 800-53/82, IEC 62443, and Zero Trust principles.

- Partner with cybersecurity teams to design controls for network segmentation, identity and access management, monitoring, logging, vulnerability management, and incident response.

- Participate in architecture and security risk assessments; identify gaps and drive remediation through design and engineering standards.

Governance, Risk