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Marathon Petroleum Corporation

Refinery Operator – Trainee

Marathon Petroleum Corporation

. Monitor, regulate and operate complex process equipment .

Posted 10/12/2026full-timeCarson • California • United StatesEntry Level💰 $41 - $62 per hourWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in monitoring and operating complex process equipment within a safety-sensitive refinery environment, ensuring quality production while adhering to safety and environmental standards. Possesses strong foundational knowledge in physical science, chemistry, and mathematics, complemented by practical experience in refining operations or the petrochemical industry.

Highest-signal resume keywords
Process Equipment OperationRefining Operations ExperienceOperator Qualification TrainingPhysical Science KnowledgeSafety Compliance

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Process TechnologyMathematicsChemistryMechanical AptitudeConfined Space WorkLifting and Carrying Heavy LoadsClimbing at Varying Elevations12-Hour Shift AvailabilityDrug and Alcohol Screening ComplianceBackground Check Compliance
Soft Skills
Team CollaborationSafety Awareness
Certifications & Qualifications
High School Diploma or GEDValid Driver's License
Industry Keywords
Petrochemical IndustryRefinery OperationsSafety-Sensitive EnvironmentContinuous Random Drug Screening

About the role

Key responsibilities & impact
  • Monitor, regulate and operate complex process equipment
  • Produce quality products in a safe, environmentally sound and efficient manner
  • Work closely with team members in refinery operations
  • Complete operator qualification training
  • Work in a safety-sensitive refinery environment
  • Work at ground level and at varying elevations on concrete, metal grating, gravel, asphalt and piping surfaces
  • Work 12-hour rotating shift schedules, including day and night shifts
  • Work overtime as needed

Requirements

What you’ll need
  • High School Diploma or GED equivalent is required
  • One of: Associate’s degree in Process Technology, Mathematics, Science, a technical or chemical discipline, or a related field; four-year STEM-related degree; three years of refining operations experience; or five years of experience in the petrochemical industry
  • Military experience is preferred
  • A valid Driver's License is required
  • Solid understanding of physical science, chemistry and mathematics, including algebra
  • Passing score on pre-employment test including mechanical aptitude, reading and mathematics
  • Successful completion of extensive pre-employment assessment process
  • Successful completion of drug/alcohol and medical screenings
  • Successful completion of a background check
  • Successful completion of operator qualification training
  • Participation in continuous random drug and alcohol screenings
  • Ability to climb and work safely at varying elevations
  • Ability to lift 40 pounds or more and carry 10 to 20 pounds
  • Ability to push or pull up to 250 pounds with mechanical assistance
  • Ability to work in confined spaces
  • Availability for 12-hour rotating day and night shifts and overtime

Benefits

Comp & perks
  • Retirement benefits
  • Medical benefits
  • Health insurance
  • Vision insurance
  • Dental insurance
  • Paid time off
  • 401k matching program
  • Paid parental leave
  • Educational reimbursement
  • Discretionary company-sponsored annual bonus program
  • Highly competitive benefits
  • Continuous learning and professional growth opportunities