Lead Manufacturing IOT & OT Security Architect - US Remote

Company Overview

Imagine Everything. Build the Future with Hexion.

At Hexion, we push boundaries, rethink possibilities, and create real impact. We activate science to deliver progress—developing breakthrough solutions that strengthen industries, protect communities, and drive a more sustainable future.

This is where bold thinkers, problem-solvers, and innovators come together to shape what’s next. Whether you're engineering advanced materials, transforming manufacturing technologies, or leading strategic innovation, your ideas and actions leave a lasting mark. We cultivate an inclusive culture of growth, collaboration, and accountability, ensuring every contribution propels us forward.

We don’t follow the status quo—we challenge it, disrupt it, and improve it. Every role at Hexion is part of something bigger.

We invest in innovation, sustainability, and continuous development—equipping you with the tools, training, and opportunities to excel. With an unwavering commitment to safety, partnership, belonging, and impact, we empower you to lead change and strengthen industries worldwide.

Your Future Starts Here.  

If you’re ready to push limits, reimagine what’s possible, and create the extraordinary, Hexion is where you belong. 

Anything is possible when you imagine everything. 

Position Summary

This is a US Remote position. 

Hexion is a global leader in specialty chemicals, delivering innovative solutions that improve performance, sustainability, and operational excellence across industries. As part of Hexion’s digital transformation strategy, we are building a next-generation industrial edge-to-cloud platform that integrates operational technology (OT), industrial data, advanced analytics, AI, and digital twin technologies to drive manufacturing performance and create scalable customer-facing solutions. 

We are seeking a Principal Manufacturing IOT & OT Security Architect to establish the security architecture and governance framework that enables industrial AI and analytics while protecting critical manufacturing operations. 

The Principal Manufacturing IOT & OT Security Architect is responsible for defining and governing the secure integration of industrial control systems, edge computing, cloud platforms, digital twins, and AI-driven applications across Hexion’s manufacturing environments. 

This role serves as the primary authority for industrial cybersecurity architecture and will ensure that all digital manufacturing initiatives align with: 

• Purdue Enterprise Reference Architecture 
• IEC 62443 Industrial Security Standards 
• NIST Cybersecurity Framework 
• NIST SP 800-82 Industrial Control Systems Guidance 
• Corporate security policies and regulatory requirements 

The successful candidate will establish secure patterns for moving operational data from manufacturing environments into cloud platforms while enabling advanced analytics, machine learning, digital twins, and future autonomous operations. 

This role requires balancing security, operational reliability, and business innovation while maintaining the integrity and availability of critical manufacturing systems. 

Key Responsibilities

Industrial Security Architecture Leadership 

• Define and govern enterprise-wide industrial security architecture standards 
• Establish secure edge-to-cloud connectivity patterns 
• Develop reference architectures for industrial AI, digital twins, and advanced analytics 
• Define approved deployment patterns for manufacturing environments 
• Serve as the primary architectural authority for OT cybersecurity initiatives 

Purdue Model & Industrial Network Architecture 

• Design and govern solutions across Purdue Levels 0 through 5 
• Define segmentation and trust boundaries between: 
   
   
• • Control Systems 
  • Manufacturing Operations 
  • Industrial DMZ 
  • Enterprise Networks 
  • Cloud Platforms 

• Establish secure communication paths between operational and enterprise environments 
• Develop strategies for secure remote access and vendor connectivity 

Secure Industrial Data & AI Architecture 

• Define approved architectures for: 

• • Industrial data collection 
  • Historian integration 
  • Industrial IoT 
  • Edge analytics 
  • AI model deployment 
  • Digital twin environments 

• Ensure operational data can be securely leveraged for: 

• • Predictive maintenance 
  • Process optimization 
  • Reliability engineering 
  • Advanced analytics 

• Establish governance for AI deployment within manufacturing environments 

Additional Responsibilities

Edge Computing & Industrial IoT Security 

• Define secure deployment patterns for: 
  • AWS IoT Greengrass 
  • IoT SiteWise 
  • IoT TwinMaker 
  • Edge gateways 
  • Industrial data brokers 
• Establish device identity and certificate management standards 
• Define secure software deployment and update mechanisms for edge environments 
• Ensure secure operation during network interruptions and disconnected operations 

Security Governance & Compliance 

• Establish cybersecurity controls aligned with: 
  • IEC 62443 
  • NIST CSF 
  • NIST SP 800-82 
  • Corporate standards 
• Conduct architectural security reviews for digital manufacturing initiatives 
• Define risk assessment methodologies for industrial systems 
• Partner with Corporate Cybersecurity teams to ensure alignment between IT and OT security programs 

Platform & Product Security 

• Define security architecture for multi-tenant industrial software platforms 
• Establish customer data isolation requirements 
• Define identity and access management strategies 
• Establish customer-managed key and encryption architectures 
• Define audit logging and compliance requirements for industrial SaaS solutions 

Cross-Functional Leadership 

Partner closely with: 

• Principal Manufacturing & Semantic Architect 
• Principal Industrial AI Data Architect 
• Principal Edge & OT Architect 
• Platform Engineering Teams 
• Manufacturing Operations 
• Reliability Engineering 
• Corporate Cybersecurity 
• External Customers and Partners 

Minimum Qualifications

• Bachelor’s degree in Engineering, Computer Science, Cybersecurity, Information Systems, or related discipline; Associate's Degree with experience in process manufacturing will be considered  
• 7+ years of experience in: 
  •  Industrial Control Systems 
  • Operational Technology 
  • Industrial Cybersecurity 
  • Manufacturing Architecture 

• Deep expertise in: 
• Purdue Enterprise Reference Architecture 
• Industrial Network Segmentation 
• IEC 62443 
• NIST Cybersecurity Framework 
• NIST SP 800-82 

• Experience with: 
  • PLCs 
  • DCS platforms 
  • SCADA systems 
  • Industrial Historians 
  • Manufacturing Execution Systems 

• Experience designing secure architectures for: 
• • Industrial IoT 
  • Edge Computing 
  • Cloud Integration 
  • Digital Manufacturing Platforms 

Preferred Qualifications

• Experience with: 
  • AWS IoT Greengrass 
  • Industrial Digital Twin platforms 

• Familiarity with: 
  • ISA-95 
  • ISA-88 
  • CFIHOS 
  • Industrial AI and Machine Learning deployments 

• Relevant certifications such as: 
• • GICSP 
  • CISSP 
  • ISA/IEC 62443 Cybersecurity Expert 
  • AWS Security Specialty 

Leadership Expectations

• Operate as the enterprise authority for industrial security architecture 
• Influence organizational strategy without direct authority 
• Balance innovation and risk management 
• Drive adoption of secure-by-design principles across all digital manufacturing initiatives 
• Establish reusable security patterns that accelerate deployment while maintaining compliance 

Success Measures 

• Success in this role will be measured by: 
• Adoption of standardized edge-to-cloud security patterns 
• Compliance with industrial cybersecurity frameworks 
• Reduction of cybersecurity risk across manufacturing environments 
• Secure enablement of industrial AI and analytics initiatives 
• Successful deployment of scalable digital manufacturing platforms 
• Elimination of ad hoc OT-to-cloud integrations 

Other

We are an Equal Opportunity, Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to gender, pregnancy, race, national origin, religion, age, sexual orientation, gender identity, veteran or military status, status as a qualified individual with a disability or any other characteristic protected by law.

To be considered for this position candidates are required to submit an application for employment through our career site and, be at least 18 years of age.  Any offer of employment will be conditioned upon successful completion of a drug test and background investigation, as well as authorization for the Company to conduct additional periodic background checks as required by the Chemical Facility Anti-Terrorism Standards (CFATS) or regulations adopted by the department of Homeland Security or other regulatory agencies. A prior criminal record is not an automatic bar to employment, and the Company will conduct an individualized assessment and reassessment, consistent with applicable law, prior to making any final employment decision.