Process Control Engineer – Safety Instrumented Systems (SIS) & Control Systems

About the Role:

We are seeking a Process Control Engineer to support and maintain our Safety Instrumented Systems (SIS) program and refinery control systems (DCS & PLC). You will work with process control teams, engineers, technicians, and operators to ensure safe and reliable refinery operations. This role includes troubleshooting, compliance, cybersecurity assessments, and participating in an on-call rotation for after-hours support. We offer a competitive compensation package based on experience and a collaborative environment driven by Principle-Based Management®.

Key Responsibilities:

�� SIS Program Support:

• Assist in project design reviews, commissioning, and testing
• Develop and execute automated logic testing
• Support Factory Acceptance Tests (FATs) and Loop Acceptance Tests (LATs)
• Maintain compliance data records and conduct SIS audits
• Train staff on SIS interlocks, functionality, and cause/effect diagrams

�� Control System Maintenance:

• Troubleshoot and repair PLC/DCS equipment (cards, CPUs, power supplies, etc.)
• Diagnose communication issues between PLC/DCS systems
• Perform minor logic/HMI modifications
• Lead root cause failure analysis (RCFA)
• Assist with hardware upgrades and networking of devices (e.g., SIS AMS)
• Participate in annual maintenance turnarounds and outages
• Support weekly 24/7 on-call rotation

Who You Are (Basic Qualifications):

✔ Experience troubleshooting PLC code, ladder logic, and electrical wiring diagrams
✔ Refinery experience with field inspections and instrumentation
✔ Knowledge of pressure, temperature, level, flow, valves, and vibration instruments
✔ Hands-on experience with Triconex, Allen Bradley, GE, or Siemens PLCs
✔ Understanding of ISA/IEC 61511 SIS standards
✔ Valid U.S. driver’s license
✔ Ability to meet physical requirements (lifting up to 50 lbs, working at heights, wearing PPE)

Preferred Qualifications:

✅ TUV SIS or ISA/IEC 61511 certification
✅ Experience with Process Safety Management (PSM)
✅ Hands-on experience with DeltaV DCS
✅ 5+ years in a refinery or instrumentation role
✅ Strong cybersecurity awareness in process control environments

Compensation & Work Conditions:

�� Salary Range: $100,000 - $150,000 per year
�� Potential for 20% travel (FATs, LATs, training, site support)
�� Extended work hours during maintenance outages
�� Ability to work outdoors in all weather conditions

Join us and play a critical role in ensuring the reliability and safety of our refinery's digital control systems!