Instrument Engineer Jobs in California (NOW HIRING)

Interested in joining a winning team? A team whose employees are empowered to make a difference?

Company: INEOS Olefins & Polymers USA

Grade: 34/35 (Grade commensurate with experience)

Offer Range: $120,644 - $165,000 (commensurate with experience)

Job Type: Full-Time

Location: Carson, CA

INEOS is a manufacturer of petrochemicals, specialty and intermediate chemicals and polymers. INEOS includes 68 manufacturing facilities in 24 countries throughout the world with approximately 18,500 employees. INEOS’ annual turnover is around $60bn making it the 3rd largest chemical company in the world. INEOS is a customer‑focused company and our business mission is to be the supplier of choice to our customers.

INEOS Olefins and Polymers USA includes the polyethylene and polypropylene plants located on Battleground Road in La Porte, Texas and the Chocolate Bayou Plant in Alvin, Texas; also includes the Carson, California Polypropylene Manufacturing plant and the Hobbs, New Mexico Fractionation Complex.

The successful candidate who fills this position will work as a member of the Maintenance and Engineering Team, consisting of engineers, specialists, and technicians who report to the Maintenance and Engineering Manager. This role will play a key role in developing both short‑term and long‑term Reliability strategies for the site, day to day troubleshooting, in addition to providing engineering support to the site Operations, Maintenance, and Capital teams.

• Provide tactical electrical engineering support to facilitate the safe and reliable operation for all instrumentation and power systems.
• Assist and lead instrumentation & electrical troubleshooting with I/E technicians.
• Actively participate in hazard and risk assessments resolving process safety management (PSM) issues (scenarios). Review and provide comments on engineering design packages (issued for approval and construction packages) issued by engineering and capital projects team.
• Ensure the technical integrity of projects, including compliance with the project scope, job specifications, accepted good engineering practices, and meeting customer requirements.
• Direct maintenance, improvements and usage efforts to existing Power distribution (< 69KV), switching, MCCs, VFDs, motors, UPS, and grounding systems.
• Ensuring PM compliance of electrical distribution equipment (EDS), reviewing PM data, and creating/maintaining Key Performance Indexes (KPIs) from the PM data.
• Maintain and manage equipment care plans for the following: AC and DC motors, junction and terminal boxes, cabinets and cabling, instrumented input devices such as switches, transmitters, probes as well as output devices such as control valves and associated components.
• Design and specify instrumentation and field analyzers, both analog and digital, electronic, pneumatic, hydraulic or mechanical.
• Coordinate high voltage work and monitor transformer and substation performance.
• Interface and communicate non‑routine activities between operations, I&E craft technicians and Southern California Edison.
• Managing small in‑house I&E projects by performing and supporting MOC’s, validating programming changes prior to implementation, verifying all pertinent documentation changes (e.g. procedures, narratives, PM’s) are accurately defined/documented and supporting training (if required).
• Lead, drive and assure that Carson site Critical Equipment Lists is up to date, maintained and documentation kept in accordance with Site procedures, PSM and ISA requirements.
• oversee larger projects by E&C firms.
• Create/Update documentation (computerized databases, oversee CAD drawing activities) including single line and wiring diagrams & schematics.
• Perform RCFA following detailed design and troubleshooting guidelines, using investigating techniques for system failures.

• Bachelor of Science degree in Electrical Engineering.
• Minimum of 7 years’ experience in an Instrumentation or I/E Engineering position.
• Petrochemical/Manufacturing Plant experience is preferred.
• Formal training in Safety Instrumented Systems preferred with understanding of IEC 61511, ANSI/ISA 84.00.01-2004 (IEC 61511), API RP 14C and 556, NFPA 85 requirements. Certification is a plus.
• Formal training in NFPA70E.
• Engineer‑In‑Training (EIT) or Professional Engineer (PE) a plus.

• Strong I/E engineering skills with knowledge of reliability methodology.
• Plant level experience and understanding of P&IDs, PFDs, instrumentation loop drawings, and logic controller terminology, and Industry Standards (ANSI, NFPA, ISA, IEC, API, NEC, etc.).
• Knowledge of programmable electronic safety systems logic solvers and their associated application programming.
• Design and program control and interlock systems.
• Size and select instruments and control valves.
• Knowledge of programmable logic controllers (PLC) and their associated application programming.
• Instrument and control system reliability background required.
• Experience with execution of capital projects and project expense projects observing Site procedures and protocols.
• Experience working with multiple engineering disciplines, as well as contractors supporting delivery of projects.
• Must be a self‑starter and capable of working on an individual basis and in a team environment.
• Strong organizational skills, ability to prioritize work, utilize available resources and deliver quality results on time.
• Knowledge of polypropylene manufacturing and process control preferred.
• Strong understanding of cost/benefit economic analysis and budgeting.
• Ability to generate new ideas from within self and from others.
• Can implement new and useful concepts effectively.
• Excellent communication with all levels of the organization and across different groups.
• Can make timely, effective decisions consistent with business plans and department goals; able to manage change and multiple priorities with input from supervisor.
• Mutually defines requirements with internal/external customers.
• Proven track record in problem solving and decision making and exceeding objectives and delivering results.
• Works and interacts effectively as a team member and acts as mentor to others.
• Ability to lead and positively influence others/promote philosophy, win concessions without damaging relationships.
• Strong demonstrated ability to manage, progress and deliver multiple and competing priorities.
• Proven commitment and delivery of SHE compliance.
• Defines personal success in terms of the whole team.
• Makes timely and effective decisions, including use of good judgment and consideration of proper balance between benefits/risks.
• Creates strong morale and spirit, feeling of belonging in team, broadly shares both routine and important task.

• Location: Carson, United States
• Discipline: Engineering
• Type: Full‑time
• Business: INEOS Olefins & Polymers USA
• Posted: 16 June 2026
• Requisition ID: REQ-2802