Sr. Process Controls Engineer

Pay Band:

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Nutrien is a leading provider of crop inputs and services, and our business results make a positive impact on the world. Our purpose, Feeding the Future, is the reason we come to work each day. We're guided by our culture of care and our core values: safety, inclusion, integrity, and results. When we say we care, we mean it. We're creating an inclusive workplace where everyone feels safe, has a sense of belonging, trusts one another, and acts with integrity.

Through the collective expertise of our nearly 26,000 employees, we operate a world‑class network of production, distribution, and ag retail facilities. We efficiently serve growers’ needs and strive to provide a more profitable, sustainable, and secure future for all stakeholders. Help us raise the expectation of what an agriculture company can be and grow your career with Nutrien.

The Senior Process Control Engineer provides technical leadership and system expertise to ensure safe, reliable, and optimized operation of process units in various fertilizer manufacturing environments. This role focuses on maintaining and improving the Basic Process Control System (BPCS) or Safety Instrumented System (SIS) across ammonia, urea, nitric acid, shipping, and utilities units. The position plays a key role in implementing process control strategies, supporting capital projects, and sustaining compliance with PSM and functional safety standards.

• Serve as site expert for various Control Systems, include but not limited to:
  Yokogawa CENTUM VP, Tricon/CX, APACS/Quadlog, Siemens PCS7, Wonder Ware, Alen Bradly, Rockwell, Compressor controls, Woodward, Peak
  150/200, G11, and Bently Nevada.
• Develop, implement, and optimize control logic, interlocks, and advanced control strategies to improve process safety, reliability, and efficiency.
• Troubleshoot control system and instrumentation issues affecting process loops such as ammonia synthesis loops, reformers, absorbers, urea reactors, etc.
• Maintain control system documentation, loop drawings, and change management records.
• Possess an understanding and ability to work in virtual environments, Thin Manager services, and aid the site with cybersecurity readiness.
• Provide instrument engineering support for various field devices and installations, including but not limited to:
  Engineered Control Valves, Various flow elements, Thermowell Design, and Analytical measurements of the process.
• Stay abreast on new and changing instrument technology
• Proficient in various programming languages, ladder logic, function block, C&E, batch, and sequential function block.

• Lead and support DCS and SIS scope for capital projects and system modernization efforts.
• Define control narratives, I/O lists, and interface specifications for new installations and revamps.
• Support FAT/SAT testing, commissioning, and startup of new process control systems.
• Collaborate with EPC firms and system vendors to ensure design consistency with site standards.

• Ensure all automation changes comply with PSM, MOC, and ISA 84 / IEC 61511 requirements.
• Participate in PHA, SILD, and SIS lifecycle activities, including SIF validation and proof testing.
• Support alarm management, trip testing, and control system cybersecurity initiatives.

• Provide real-time troubleshooting and optimization support to operations and maintenance.
• Analyze process data and recommend control improvements to reduce variability and increase production efficiency.
• Mentor junior engineers and technicians in process control fundamentals and system troubleshooting.
• Participate in on‑call rotation for automation support.

• A degree in Chemical Engineering, Electrical Engineering, or Control Systems Engineering is required from an ABET (Accreditation Board for Engineering and Technology) accredited university.
• Minimum 5 years of process control experience in a fertilizer industry or large‑scale chemical plant.
• Strong understanding of process instrumentation and control loops.
• Experience applying ISA 84 / IEC 61511 functional safety standards and…