Marathon Petroleum
Instrumentation Project Engineer
Carson, California · Full-time
Stay score
odds of building a lasting career here
Sponsors, but it's cap-subject — you still face the weighted lottery (~45% per draw at Level III). Good if you win; have a cap-exempt backup on your list.
Lottery odds assume a STEM candidate.
Personalize to your clock →H-1B wage level
the lottery is wage-weighted — each level is one more entry
$13,012 more — $119,912 — moves this role to Level III and 3 lottery entries. That figure is inside the range the employer already advertised.
Based on the DOL prevailing wage for this occupation and worksite, a base salary of $119,912 would place this position at wage Level III. That figure is within the posted range, and I'd like to target it. This role classifies under "Civil Engineers" for prevailing-wage purposes.
DOL prevailing wage, 2026-27 wage year · Civil Engineers (17-2051) · Los Angeles-Long Beach-Anaheim, CA. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.
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About the role
- Marathon Petroleum Corporation's (MPC) Los Angeles Refinery, located in Carson/Wilmington, California, is looking for an Instrumentation Project Engineer in the Area Engineering Department.
- The Instrument Engineer will report to the Area Instrument Engineering Manager.
Responsibilities
- Apply project management skills across all phases: development, justification, design, construction, and start-up.
- Provide instrumentation technical support to operating units and capital projects, including scope development, and interdisciplinary coordination
- Manage multiple projects/programs safely, efficiently, and within budget
- develops strategies to meet schedules and mitigate delays.
- Perform specification and design of instrumentation, including sizing, selection, datasheet development/review, and preparation of technical requisitions for procurement.
- Support testing and commissioning activities, including factory and site acceptance testing (FAT/SAT), loop checks, calibration, and startup.
- Evaluate new instrumentation technologies and support continuous improvement through collaboration with cross-functional teams.
- Maintain accurate engineering documentation, including updates to piping and instrumentation diagrams (P&IDs), loop drawings, & logic diagrams.
- Support refinery Turnarounds (TAR) and maintenance outages by planning instrumentation scope, coordinating with operations and maintenance teams, overseeing project implementation, and helping ensure a safe, efficient return to service.
- Provide technical support for process analyzers, including specification, start-up, performance monitoring, and implementation of projects to enhance measurement reliability and process control.
Requirements
- Must have a minimum of 4 years of post-degree instrumentation engineering experience in a refinery, chemical plant, or similar industry required.
- Must be able to wear appropriate PPE in the refinery (respirator), be able to physically perform all tasks in the field and take hair drug test and physical.
- Must have a valid driver's license. (MPC determines valid status.)
- Must be legally authorized to work in the US without the need for future VISA sponsorship.
- Must be proficient in Microsoft: Word, Excel and Outlook.
- Must be able to work on of the available schedules: 9/80 or 4/1, after hours calls happen a couple of times a year normally can be handled over the phone and support of TAR approximately once a year.
Skills
- Coordinate with external engineering consultants and designers to complete projects.
- Promote safety awareness and take corrective action when unsafe practices or conditions are observed.
Compensation
- $106,900.00 - $184,300.00 Salary
Benefits
- The hired candidate will also be eligible for a discretionary company-sponsored annual bonus program.
Company info
- If you need a reasonable accommodation for any part of the
Equal opportunity
- Employer: Veteran / Disability
- We will consider all qualified Applicants for employment, including those with arrest or conviction records, in a manner consistent with the requirements of applicable state and local laws. In reviewing criminal history in connection with a conditional offer of employment, Marathon will consider the key responsibilities of the role.
- We will consider all qualified Applicants for employment, including those with arrest or conviction records, in a manner consistent with the requirements of applicable state and local laws.
- In reviewing criminal history in connection with a conditional offer of employment, Marathon will consider the key responsibilities of the role.
Visa & Work Authorization
- Must be legally authorized to work in the US without the need for future VISA sponsorship.
This listing is sourced directly from Marathon Petroleum's careers page and normalized into a canonical job model.