Laboratory Tester

Marathon Petroleum Company LP
Canton, OH

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.

POSITION SUMMARY:

Marathon Petroleum Company LP, a recognized leader in the energy industry, is accepting applications for a Lab Tester position in its Ohio Refining Division's Laboratory Department at the Canton, Ohio Refinery. This position offers immediate responsibility and a generous benefits package. This position is unionized and follows an 8-hour rotating shift schedule. Overtime may be required as conditions warrant.

KEY RESPONSIBILITIES:

  • Perform multiple analytical tests at the same time with strict adherence to procedures.

  • Provide quality control analyses on all intermediate streams and finished products of the refinery with high accuracy as well as technical support to the process.

  • Perform routine calibration and maintenance of equipment.

  • Initiate certificates of analysis according to product specification requirements.

EDUCATION AND EXPERIENCE:

  • Bachelor of Science Degree in Chemistry OR an equivalent 4-year science degree with at least 16 hours of Chemistry is required.

  • A valid driver's license is required.

  • Excellent analytical and problem-solving skills with strong mechanical aptitude, organization skills, verbal and written communication skills are required.

  • Prior lab experience in petroleum applications is preferred.

  • Experience with gas chromatography and wet chemistry is preferred.

  • Experience with Microsoft Office applications and LIMS is preferred.

PHYSICAL REQUIREMENTS:

  • Must be able to lift up to 50 lbs.

As an energy industry leader, our career opportunities fuel personal and professional growth.

Location:

Canton, Ohio

Additional locations:

Job Requisition ID:

00021446

Location Address:

2408 Gambrinus Ave SW

Education:

Employee Group:

Full time

Employee Subgroup:

Regular

Marathon Petroleum Company LP is an Equal Opportunity Employer and gives consideration for employment to qualified applicants without discrimination on the basis of race, color, religion, creed, sex, gender (including pregnancy, childbirth, breastfeeding or related medical conditions), sexual orientation, gender identity, gender expression, reproductive health decision-making, age, mental or physical disability, medical condition or AIDS/HIV status, ancestry, national origin, genetic information, military, veteran status, marital status, citizenship or any other status protected by applicable federal, state, or local laws. If you would like more information about your EEO rights as an applicant, click here (/Department\ of\ Labor\ EEOC_.pdf) . If you need a reasonable accommodation for any part of the application process at Marathon Petroleum LP, please contact our Human Resources Department at [email protected] . Please specify the reasonable accommodation you are requesting, along with the job posting number in which you may be interested. A Human Resources representative will review your request and contact you to discuss a reasonable accommodation. Marathon Petroleum offers a total rewards program which includes, but is not limited to, access to health, vision, and dental insurance, paid time off, 401k matching program, paid parental leave, and educational reimbursement. Detailed benefit information is available at .The hired candidate will also be eligible for a discretionary company-sponsored annual bonus program. 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.

About Marathon Petroleum Corporation

Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream energy company headquartered in Findlay, Ohio. The company operates the nation's largest refining system. MPC's marketing system includes branded locations across the United States, including Marathon brand retail outlets. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company that owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure.

Posted 2026-04-24

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