Instrumentation & Controls Engineer
ExxonMobil
- Location
- Baytown, TX, US, 77520
- Work model
- On-Site
- Level
- Mid
- Posted
- Sep 9, 2026
Skills
About this role
About us For well over a century, ExxonMobil has been at the heart of creating and growing a modern world. We embrace the power and promise of technology, pushing the boundaries of what's possible. For billions around the world, lives are better and last longer because of the innovative problem solving and reliable energy we provide. And when it comes to developing industrial solutions to reduce carbon emissions, ExxonMobil is truly the leader. We don't stop at "good enough." We are committed to doing what's right, even if it's difficult or unpopular. We hold ourselves to high standards, challenge what's possible and invest in innovation to meet society's critical needs. Real change begins with bold questions, drive, and ambition. Here, your talent, determination and contributions shape how far you'll go and the impact you'll make along the way. Our future success depends on exceptional people. We invest in developing talent through meaningful work, challenging assignments, mentorship, and experiences that help build the next generation of leaders. Our Culture We are uniquely ExxonMobil. Integrity, care, excellence, resilience and courage, these core values determine how we work every day. At ExxonMobil, our values aren't just words— they're how we show up, focused on delivering the right answer, the right way, every day. What role you will play on our team
Provide instrument engineering expertise at the ExxonMobil site in Baytown,Tx What you will do
The work includes engineering design, configuration, programming, maintenance, trouble-shooting, failure analysis, performance analysis in support of safe and reliable operations of instrumentation equipment within the Complex, including:
Field instrumentation for process measurement (e.g. Pressure, Temperature, Level, and Flow) as well as specialty measurements (density, vibration) and control valves, shutdown valves, and their transmission systems (e.g. 4-20mA, HART, ProfiBus) Safety Instrumented Systems (SIS) Machinery controls and protection systems Programmable Logic Controllers (PLC’s) for monitoring and control of packaged systems Instrumentation cabling, wiring, junction box, power supply and distribution, UPS, and associated TCP/IP, SCADA, Modbus networking (switches, routers, Ethernet, fiber optics, etc.) and transmission systems.
Responsibilities include, but are not limited to
Sizing and specifying various types of instrumentation for new or existing instruments undergoing a change Supporting the maintenance team and interfacing with vendors and contractors to maintain, troubleshoot, repair/replace, configure/tune/program, test/commission/de-commission, etc. Supporting development of equipment strategies, understanding the impact of equipment sparing, redundancy, reliability, availability, maintainability, and maintenance cost in support of operations excellence and capital efficiency Participating in activities related to safety, risk assessment and safety incident investigations related to instrumentation equipment.
Primary contributions will be at the individual contributor level with close interfaces within the immediate work group and interfaces with other disciplines within engineering and maintenance. About you
Required Qualifications
Bachelor's degree in Electrical, Electronic, or related Engineering discipline. 3+ years of experience in the petrochemical, refining, or chemical industry. Knowledge of process measurement technologies including pressure, temperature, level, and flow. Experience specifying and applying instrumentation, control valves, and shutdown systems. Ability to read and interpret P&IDs and familiarity with ISA/API standards. Understanding of field instrumentation, signal transmission, communications, and process safety requirements. Experience troubleshooting instrumentation and control systems and resolving field issues. Working knowledge of