Sr I & E Technician

Description:

• Understand the general principles, topologies, access methods, transmission media, protocols, testing and troubleshooting of PLC data highway systems.

• Should be NACE certified to “Cathodic Protection Tester” or above. Must have working knowledge of CP and how it interacts with electronic field equipment.

• Ground system design and testing – System, equipment, static, lightning protection and sensitive electronics grounding.

• Process Analyzers – Understand the principles of operation and applications for on-stream analytical instruments used in industry including sampling systems and sampling techniques. Know analytical terminology, safety, types of analysis (on-stream gas and liquid chromatography, mass spectrometers, pH, conductivity, refractors, oxygen, dissolved oxygen, turbidity and ambient air analysis).

• Supervisory Control – Understand the architecture, operation, hardware arrangement, programming, advantages, limitations and peripherals in a supervisory control system. Be familiar with the use and areas of application (petrochemical, manufacturing, materials handling, machining, and power).

• Computer Control Systems (General) – Understand the characteristics and major components of computer control systems (processor, process interface, operator interface, process control software, algorithms and peripheral equipment).

• Understand the data highway systems and multiplexers used in computer control technologies (multiplexing and scanning, multiplexer designs, system configurations, remote stations, super communication, sub-communication, digital signal transmission and Ethernet with subnet mask).

• Specify, install and program any type of PLC, servers, communication equipment and other telemetry.

• Ability to design schematic diagram and read blueprints.

This position is hourly nonexempt status, which means you are eligible for overtime pay.

Qualifications:

• High school diploma or GED required.
• 8 years of experience electrical & instrumentation field or have other industry related experience required.
• Masters knowledge and understanding of National Electrical code guidelines required.
• Expert knowledge and understanding of safe electrical practices, safe hot work practices, confine space regulations and DOT pipeline safety devices required.

All successful candidates must be eligible to obtain a TWIC card (Transportation Worker Identification Credential). It is Valero’s policy that employees must wear this card at all times while working at the refinery. Please review eligibility criteria at

Position level and salary will be commensurate with qualifications and experience.

Valero's employees are the heart of its success, and there is a reason why the company is an employer of choice in the fuels manufacturing and marketing industry. It’s not just the excellent benefits package, or the opportunities for personal growth, it’s also the caring and committed culture of the organization that makes everyone feel like they’re truly part of a team.

Valero is an EEO Employer. All qualified applicants are encouraged to apply and will receive consideration for employment without regard to legally protected status, including race, color, religion, sex, national origin, age, disability, protected veteran or any other status protected by applicable federal, state or local laws.

Please be advised, if you are viewing this position on a website that lists an estimated salary rate/range, it was not provided by Valero. Valero’s market specific salary rate/range will be provided during the recruiting process and tends to be higher than what is estimated by such websites.

*LI-LP1

Job: Operations/Skilled Crafts %26 Trades/Maintenance
Primary Location: US-LA-Norco
Job Posting: Jun 3, 2026, 4:02:12 PM
Unposting Date: Jun 7, 2026, 11:59:00 PM
Req ID: 260017T