Sr CI​/OT Architect

JOB SUMMARY

The CI/OT Architect is responsible for establishing enterprise ownership of Operational Technology (OT) architecture and lifecycle governance across refinery environments. This role defines standards, provides technical design authority, and ensures consistency of OT systems supporting safe and reliable operations.
This position bridges IT, engineering, and operations to guide implementation while maintaining cross-site alignment, long-term sustainability, and effective lifecycle management of critical OT infrastructure.

• 4 year / Bachelor's Degree (Required)
• In lieu of the above education requirements, an equivalent combination of education and experience may be considered.
• Two (2) or more years Experience in refining, oil & gas, petrochemical, or other process industries (Preferred)
• Six (6) or more years Extensive experience with industrial networking, including Cisco switching/routing, network design, and segmentation strategies. (Required)
• Preferred Certifications/Licensures: (CISSP, GICSP, CCNP/ PCNSE, TOGAF, or vendor-specific control system certifications)

• Extensive experience with industrial networking, including Cisco switching/routing, network design, and segmentation strategies.
• Hands‑on experience configuring and managing Palo Alto and Cisco firewalls in secure OT environments.
• Proven ability to design complex systems and lead cross-functional technical initiatives.
• Excellent problem‑solving, communication, and stakeholder management skills.
• Familiarity with cloud integration, data historians, and advanced analytics platforms.
• Knowledge of Distributed Control Systems (DCS), including Yokogawa, Emerson Delta
  
  V, Honeywell, and Foxboro, as well as SCADA systems and HMI technologies.
• Establish and maintain enterprise OT architecture standards across refinery environments
• Provide technical design authority for OT infrastructure including control systems, industrial networks, and integration platforms
• Govern lifecycle management processes including patching, upgrade sequencing, and version alignment across sites
• Lead architecture planning and technical oversight for OT infrastructure initiatives and modernization programs (e.g., OTPCN)
• Define and enforce network segmentation, firewall, and secure access models within OT environments
• Partner with site IT teams to guide implementation while ensuring alignment with enterprise standards
• Collaborate with engineering, operations, and corporate IT teams to align OT infrastructure with business objectives
• Maintain documentation of architecture standards, configurations, and design decisions
• Evaluate and recommend technologies, vendors, and solutions to support OT environments
• Provide technical leadership and support during major incidents, outages, and troubleshooting scenarios
• Ensure compliance with safety, environmental, and regulatory requirements impacting OT systems
• Support integration of OT systems with enterprise platforms, data historians, and analytics solutions
• Drive continuous improvement of OT infrastructure maturity, scalability, and resilience
• Maintain internal ownership of architecture and standards while leveraging contingent resources for execution
• While this job description aims to provide a comprehensive overview of the role, it may not detail every task or responsibility required.

• CHANGE AGILITY (LEVEL 2 SUPPORTING) – Identifies, initiates, and adapts to organizational changes that foster enhanced effectiveness, efficiency, safety, and ultimately business results.
• COLLABORATION (LEVEL 2 SUPPORTING) – Sees connection points across the organization and partners effectively with others to achieve common goals.
• DECISION MAKING (LEVEL 2 SUPPORTING) – Selects a course of action to reduce risk and uncertainty and create optimal outcomes.
• DRIVE FOR RESULTS (LEVEL 2 SUPPORTING) – Drives to achieve challenging performance objectives.
• TEAM BUILDING (LEVEL 2 SUPPORTING) – Builds trust, fosters openness, and provides support. As the manager of a team, selects and motivates a strong team.

We are an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or national origin, disability status, protected veteran status, or any other characteristic protected by law. Equal Opportunity Employer/Disabled/Veterans.