Operations Technology; OT Cybersecurity Senior Engineer

Operations Technology (OT) Cybersecurity Senior Engineer

Join to apply for the Operations Technology (OT) Cybersecurity Senior Engineer role at The Lubrizol Corporation. This full‑time position is hybrid and located in Wickliffe, OH or Deer Park, TX.

About Lubrizol: The Lubrizol Corporation, a Berkshire Hathaway company, is a specialty chemical company that delivers sustainable solutions. Founded in 1928, we operate more than 100 manufacturing facilities and employ roughly 8,000 people worldwide. For more information, visit

We value diversity in professional backgrounds and life experiences. By enabling a consistent, unbiased, and transparent recruitment process, Lubrizol seeks to create a positive experience for candidates so we can get to know them at their best. We recognize unique work and life situations and offer flexibility, ensuring our employees feel engaged and fulfilled in every aspect of life.

Unleash Your Potential. If you are ready to join an international company with talent around the world, and want to make a real impact, we want you on our team. The Operations Technology (OT) Security Senior Engineer at Lubrizol Corporation is a critical role responsible for architecting, implementing and governing industrial control system (ICS), laboratory, and process control environments on a team of IT and OT security experts, ensuring the robust security of our environments.

As an OT Security Senior Engineer at Lubrizol you will be a tactical leader responsible for architecting, implementing, and governing secure operational environments. This role bridges IT and OT, applying globally recognized frameworks to ensure resilient, standards‑compliant operations. The engineer will partner with IT security teams to ensure alignment of OT security controls with enterprise‑wide cybersecurity strategies, participate in joint IT/OT security assessments, audits, and incident response exercises, and contribute to the development of unified security architectures that span IT and OT environments.
You will collaborate with a diverse group of passionate individuals to deliver sustainable solutions to advance mobility, improve wellbeing and enhance modern life. The OT Security Engineer will work closely with Operations, IT, OT, and Governance Risk and Compliance resources to achieve measurable improvements in enterprise security.

• Minimum of 5 years of experience in cybersecurity, with a focus on operations technology, or process control engineering.
• Proven experience in overseeing IT and/or OT security initiatives and projects from conception through implementation.
• Experience in securing operational technology environments, including SCADA, PLC, DCS, and SIS systems.
• Experience in developing and implementing security strategies, policies, and procedures for IT and/or OT environments.
• Experience with incident response, recovery planning, and secure remote access specific to OT environments.
• Proficiency in system security, network security, and application security.
• Strong knowledge of security testing, risk‑based vulnerability assessment, and penetration testing.
• Familiarity with security frameworks and standards (e.g., NIST, ISO 27001, IEC 62443).
• Familiarity with OT security protocols and platforms.
• Ability to communicate with both IT personnel and OT engineers, bridging the technical gap between the two environments.
• Experience working within or alongside formal change management processes in industrial environments.

• System Security and Development
• Operational Technology Security
• Architectural Integration
• Collaboration and Communication

• Bachelor’s degree in Information Security, Computer Science, or a related field.
• Master’s degree in a relevant field is preferred.

• Certified Information Systems Security Professional (CISSP)
• Global Industrial Cyber Security Professional Certification (GICSP)
• ISA/IEC 62443 Cybersecurity Certification
• GIAC Critical Infrastructure Protection Certification (GCIP)
• Global Information Assurance Certification (GIAC) in relevant areas (e.g., GSEC, GCIH, GCED)
• Azure IoT Experience
• Certified…