Laboratory Technician

Marathon Petroleum CorporationLos Angeles, CA
$41 - $56Onsite

About The Position

An exciting career awaits you At MPC, we’re committed to being a great place to work – one that welcomes new ideas, encourages diverse perspectives, develops our people, and fosters a collaborative team environment. Performs analytical testing with strict adherence to standard operating procedures, generating highly accurate and timely results. Conducts routine tests, measurements analyses, and preparations in accordance with established methods and procedures. Operates laboratory equipment as part of testing requirements. Records results of the tests and arranges data for review and analysis. Completes routine calculations and reports. Inputs, submits and receives computer data. Maintains computer databases, runs programs and enters sample and test information into a LIMS. Coordinates chain of custody forms Maintains documentation that samples are received in proper containers and at the required temperature, within the appropriate holding time. Performs calibration and maintenance of equipment. Understands and adheres to all written analytical and safety Standard Operating Procedures established by MPC. Participate actively in safety meetings, including surfacing hazards/concerns and suggestions for improvement. Dispose of all samples per site procedures. Enter sample results accurately into Laboratory Information Systems (LIMS) as soon as practical and special sample results as soon as obtained. Communicates promptly with internal customers. Conduct routine and non-routine testing on samples used to certify products, prove regulatory compliance, and control the process. Makes proper relief in work area by communicating pending analyses, instrument problems, SQC concerns, operational issues affecting the lab, and off-spec results. Reads e-mail, area notes, and applicable orders as appropriate Operates a motor vehicle in the refinery in accordance with MPC Motor Vehicle Safety and Driving Standard and site requirements. Operates fume hoods and hood sashes per MPC standard. Completes all required training and CBT modules on time. Keeps work areas clean and orderly to maintain a high level of safety and efficiency. Effectively validates results generated prior to reporting. Completes corrective action forms for out-of-control points. Attempts to resolve SQC alarms according to skill level and communicates to appropriate chemist and/or supervisor. Inform lab management personnel when lab supplies are running low. Performs routine maintenance and other lab duties as assigned Records and maintains accurate records of analyses Enters test results into the Laboratory Information Management System (LIMS) Accurately communicates to the Lab Supervisor any unusual observations made during the analysis of samples. Assists the Chemists and Lab Supervisors in the development of new test procedures as needed. Provides training for new Lab Techs Performs monitoring checks and SQC data to ensure instrument accuracy at the beginning of each shift. Performs any required re-testing and communicates off-specification product results immediately to the Lab Supervisor. Practices site safety and adhere to environmental standards. Participates in lab safety audits Maintains consistent and excellent housekeeping habits. Supports all internal and external laboratory audits. Understands proper labeling and hazard communication procedures.

Requirements

  • Bachelor’s Degree with 16 hours of college-level chemistry required.
  • Two (2) years or more of experience required.
  • Ability to use a personal computer required, including familiarity with word processing, spreadsheet, email and database applications.
  • Must be able to work a rotating 12-hour schedule, which includes nights, weekends, holidays and vacation coverage for peers
  • Operates as an effective member of a laboratory team.

Nice To Haves

  • Chemistry Degree preferred.
  • Experience in QC/production laboratory in petroleum refining or petrochemical industry preferred
  • Familiarity with ASTM laboratory test methods for petroleum analyses.
  • Effective communication, written and verbal.
  • Familiarity with the oil refining process.
  • Familiarity with Laboratory Information Systems (LIMS)

Responsibilities

  • Performs analytical testing with strict adherence to standard operating procedures, generating highly accurate and timely results.
  • Conducts routine tests, measurements analyses, and preparations in accordance with established methods and procedures.
  • Operates laboratory equipment as part of testing requirements.
  • Records results of the tests and arranges data for review and analysis.
  • Completes routine calculations and reports.
  • Inputs, submits and receives computer data.
  • Maintains computer databases, runs programs and enters sample and test information into a LIMS.
  • Coordinates chain of custody forms
  • Maintains documentation that samples are received in proper containers and at the required temperature, within the appropriate holding time.
  • Performs calibration and maintenance of equipment.
  • Understands and adheres to all written analytical and safety Standard Operating Procedures established by MPC.
  • Participate actively in safety meetings, including surfacing hazards/concerns and suggestions for improvement.
  • Dispose of all samples per site procedures.
  • Enter sample results accurately into Laboratory Information Systems (LIMS) as soon as practical and special sample results as soon as obtained.
  • Communicates promptly with internal customers.
  • Conduct routine and non-routine testing on samples used to certify products, prove regulatory compliance, and control the process.
  • Makes proper relief in work area by communicating pending analyses, instrument problems, SQC concerns, operational issues affecting the lab, and off-spec results.
  • Reads e-mail, area notes, and applicable orders as appropriate
  • Operates a motor vehicle in the refinery in accordance with MPC Motor Vehicle Safety and Driving Standard and site requirements.
  • Operates fume hoods and hood sashes per MPC standard.
  • Completes all required training and CBT modules on time.
  • Keeps work areas clean and orderly to maintain a high level of safety and efficiency.
  • Effectively validates results generated prior to reporting.
  • Completes corrective action forms for out-of-control points.
  • Attempts to resolve SQC alarms according to skill level and communicates to appropriate chemist and/or supervisor.
  • Inform lab management personnel when lab supplies are running low.
  • Performs routine maintenance and other lab duties as assigned
  • Records and maintains accurate records of analyses
  • Enters test results into the Laboratory Information Management System (LIMS)
  • Accurately communicates to the Lab Supervisor any unusual observations made during the analysis of samples.
  • Assists the Chemists and Lab Supervisors in the development of new test procedures as needed.
  • Provides training for new Lab Techs
  • Performs monitoring checks and SQC data to ensure instrument accuracy at the beginning of each shift.
  • Performs any required re-testing and communicates off-specification product results immediately to the Lab Supervisor.
  • Practices site safety and adhere to environmental standards.
  • Participates in lab safety audits
  • Maintains consistent and excellent housekeeping habits.
  • Supports all internal and external laboratory audits.
  • Understands proper labeling and hazard communication procedures.

Benefits

  • access to health, vision, and dental insurance
  • paid time off
  • 401k matching program
  • paid parental leave
  • educational reimbursement
  • discretionary company-sponsored annual bonus program
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service