Senior Instrumentation & Electrical Specialist

About the role

Chevron's Specialty Operations business unit is hiring a Senior Instrumentation & Electrical Specialist in Seneca, Illinois. The role covers the installation, calibration, troubleshooting and maintenance of instrumentation, electrical systems and process control equipment across the facility, supporting safe, compliant and reliable plant operation. It is a hands-on position requiring advanced technical expertise, and online applications close on November 4, 2026.

Key responsibilities

• Install, calibrate and maintain field instrumentation such as flow, pressure, temperature and level transmitters
• Troubleshoot control loops and signal issues (4-20 mA, HART, Modbus, etc.)
• Maintain and repair control valves, positioners and regulators
• Support PLC/DCS systems (Allen-Bradley, Siemens or similar)
• Interpret P&IDs, loop sheets and wiring diagrams
• Maintain and troubleshoot low and medium-voltage electrical systems, including MCCs, VFDs, motors and power distribution
• Perform motor testing, wiring and replacement, and support root cause analysis of electrical failures
• Run preventive and predictive maintenance programs, diagnose recurring issues and assist with upgrades, shutdowns and capital projects
• Keep accurate work orders and documentation in the CMMS
• Ensure compliance with OSHA, NFPA 70E and site safety procedures, and take part in LOTO, arc flash and confined space programs
• Coordinate with operations, engineering and contractors, and mentor junior technicians

Required profile

• 5+ years of industrial I&E experience (chemical, refining, manufacturing or similar)
• Ability to read and interpret P&IDs, electrical schematics and loop diagrams
• Experience with CMMS systems and maintenance documentation
• Preferred: Associate or technical degree in Electrical, Instrumentation or a related field, and Journeyman Electrician or equivalent certification
• Preferred: hazardous area classifications (Class I Div 1/2), vibration analysis, thermography, predictive maintenance tools, SAP or Maximo

Required skills

• Process instrumentation and calibration
• Electrical troubleshooting of 480V systems and below
• Control systems (PLC/DCS) and Emerson DeltaV DCS
• Strong attention to detail, prioritization in a fast-paced plant environment, leadership and mentoring ability, and a strong safety mindset

Work conditions include an industrial plant environment with outdoor/indoor exposure, on-call or off-hours support, and physical tasks such as climbing, lifting and confined space entry. Relocation may be considered; expatriate assignments are not. An aptitude and work-style assessment is part of the application process.