Senior OT Cybersecurity Engineer
Confirmed on the employer's own hiring board on Nov 5, 2026. First seen by Alion on Nov 5, 2026. Chevron scores A on the Alion truth index.
Total Number of Openings
1About the Position:
The OT (Operational Technology) Cybersecurity Engineering and Innovation team is responsible forthe strategic and technical direction of OT/IACS (Industrial Automated Control System) cybersecurity in Chevron. OT Cybersecurity Engineers support activities such as secure-by-design, standardized solutions and network architectures, and the secure implementation of OT/IACS digital technologies across Chevron. The Senior OT Cyber Engineer is responsible forsupporting the strategic direction of OT/ IACS Cybersecurity in multiple domains, architectural design of OT/IACS Cybersecurity safeguards as well as the secure implementation of all OT digital technologies across Chevron. OT Cybersecurity Engineers are cybersecurity influencers functioning at the Chevron Enterprise level, reaching broadly across multiple IT Foundational Platform product lines and selectDigital Platforms and Business Units. These engineers have a grasp of business breadth, along with technical depth to help stakeholders make quality cybersecurity investment decisions. This role positively impactsglobal cybersecurity practices, in various operating assets and environments, delivering on the Chevron cybersecurity integrated risk management strategy
Job Description:
Contribute to developing strategic OT/IACS Cybersecurity initiatives, technology projectsand security programs across the Chevron Enterprise globally
Contribute to the design and review of secure IACS/OT network architectures and data flows including communication between applications, ports, protocols, and services
Contribute to the creation of OT/IACS cybersecurity guardrails to ensure all OT architectures, solutions and technologies across the Chevron enterprise are built using a secure-by-design methodology
Utilize industry standards and frameworks (e.g., NIST-800-53/82, IEC-62443, MITRE ATT&CK / D3FEND), to identifycapabilities and technologies to provide enhanced cyber defenses in diverse scenarios
Support OT cybersecurity initiatives by partnering with Product Owners, delivering cybersecurity engineering solutions, and advancing tools such asAxonius, Tenable.
Develop OT cybersecurity research project proposals. Research, test, and/or lead proof-of-concepts for new and emerging OT technologies.
Lead cybersecurity assessments for Chevron’s Business Unit IACS designs/installations and/or emerging technology OT solutions to determinecriticality rankings and risk gaps
Lead OT cybersecurity assessments including detailed design reviews, system and componentdescriptions, identification and selectionof evaluation criteria, network topology reviews, mapping of data flows to ports, protocols, and services tables
Provide security recommendations for normally unmanned facilities where Industrial Internet of Things (IIoT), optimization, “Big data” analytics, and OT integration with the Cloud are being considered.
Provide recommendations and plans to mitigate identifiedissues from OT cybersecurity risk assessments, IACS Vulnerability assessments, and OT Pen tests
Required education
Bachelor's degree or master'sdegree in information technology, Computer Science, Engineering, or related STEM field
Preferred qualifications
Certifications in Industrial Control Systems Cybersecurity or in IT Cybersecurity are highly preferred (e.g., GISCP, GCIP, CISSP,IEC-62443or other similarcertification)
Required work experience
Minimum6- 8 yrs exprelated work experience in Operational Technology/Industrial Controls Systems Cybersecurity field with increasing levels of responsibility.
“Hands-On” experience with OT/IACS critical infrastructure in energy or similar industries.
Other preferred skills / competencies
Experience in utilizingframeworks and standards such as NIST-800-53/82 and IEC-62443 in an IACS environment
Experienceindesigning secure-by-design OT/IACS networkarchitectuimplementing cybersecuritytechnologies, andapplying Purdue Model-based segmentation.
Understanding of threats, vulnerabilities, attack pathsand exploits in an OT/IACS environment
What we can offer you
Everything we do at Chevron is guided by our values and our commitment to The Chevron Way.
Have the opportunity to take part in world-leading energy projects, advance your professional development and expand your career within an inclusive and collaborative workplace.
Join a workplace where innovation, collaboration and safety are at the core of how we work.
Work in thoughtfully designed environments that support focus, well-being, and innovation enhanced by digital tools that enable seamless collaboration.
Grow through structured learning, mentorship, and opportunities to contribute to impactful projects that align with Chevron’s values and business priorities.
Access comprehensive benefits that support your health, well-being, and work-life balance.
Engage with emerging technologies and digital solutions that are shaping the future of energy and enterprise.
how to apply
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