Sr CI/OT Architect

Are you looking for a career in a dynamic and innovative company that values versatility, growth, and teamwork? Look no further than Delek US Holdings!

WHAT IS DELEK? WHAT DO WE DO?

We are a boutique-sized diversified downstream energy company with a range of assets, including petroleum refining and logistics.

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  Our refineries in Texas, Arkansas, and Louisiana have a combined crude capacity of 302,000 barrels per day

  
  


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  Our logistics business currently owns and operates 720 miles of crude and product pipelines, a 600-mile crude oil gathering system, and storage tanks and terminals.

  
  

DELEK BENEFITS:

We offer fantastic benefits that include up to a 10% match on 401K on your hire start, with a vesting timeline of only one year, along with medical benefits that start on day one with a 30% premium rebate annually! We value your well-being and all employees now have access to the Calm app for FREE, which is used for meditation, stress management, and better sleep. Through our performance management program, you can earn additional annual incentives as you set and achieve goals. Our pay for performance culture motivates our employees to improve Delek’s year-over-year company, business unit, and individual results. With some of the highest bonus payouts in recent years, we know that our success is due to our talented and dedicated team. We are looking for individuals like you to help us continue this momentum and bring new ideas to the table. At Delek, you will have the opportunity to make an impact and grow your career in a supportive and innovative environment.

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.

EDUCATION AND EXPERIENCE

• 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)

JOB REQUIREMENTS

• 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 DeltaV, 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.

CORE COMPETENCIES

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.

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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.