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Location Name: Findlay, OH 
Job/Requisition ID: [[id]] 
Location Address: 539 S Main St, Findlay, OH, United States (US), 45840
Education Level: Doctorate Required 
Relevant Experience Level: Mid Career (4-10 Years) 
Employee Group: Regular - Full Time
Employee Subgroup: Salaried Exempt


Marathon Petroleum Company (MPC), a recognized leader in the energy industry and a Responsible Care® member (, is seeking a Toxicologist for its Headquarters Health Services Department in Findlay, Ohio. This position offers the opportunity for the right individual to grow in the role as a subject-matter expert in petroleum-related toxicology and product safety areas and regulations with a focus on the preparation and maintenance of hazard communications.



The incumbent will provide a broad range of toxicology services, including:

  • Identifying, evaluating, classifying and communicating the health-related hazards and risks of MPC products, intermediates, emissions, processes, workplace chemicals and practices;
  • Developing, improving and implementing MPC standards and practices, e.g. community exposure guidelines;
  • Identifying, defining and assessing emerging health/regulatory issues, developing proactive or reactive strategies, providing appropriate technical leadership and forecasting their impact on MPC objectives;
  • Formulating advocacy positions and the interpretation of local/state/federal legislation, regulations or industry consensus standards as well as compliance needs;
  • Acting as the MPC representative during interactions with customers, communities and regulatory agencies on health-related issues;
  • Assisting corporate groups and operating sites with training, auditing and communications;
  • Locating and engaging external consultants and collaborating with internal staff;
  • Conducting qualitative or quantitative health-risk and exposure assessments;
  • Recommending approaches for product stewardship activities and assessing and reducing of health-related risk;
  • Designing, monitoring and evaluating toxicity-related research;
  • Providing toxicology support and communications for incidents with chemical spills or releases and participating in emergency response drills;
  • Supporting MPC acquisition teams;
  • Participation on or coordinating with intradepartmental issue teams, e.g. occupational chemical exposure limits, and trade association or consortia technical and policy workgroups, e.g. American Chemistry Council, American Fuels and Petrochemical Manufacturers and the American Petroleum Institute.



  • Candidate must be a self-starter and problem-solver who can work independently or collaboratively with other internal and external professionals.  In addition, the successful candidate must be a team builder, organizer, and program planner who has interpersonal and supervisory skills as well as excellent verbal communication and writing skills for diverse audiences.
  • A Doctorate degree is required in toxicology or allied health fields and the candidate must be certified as a diplomat by the American Board of Toxicology.  Depending on education and background, a minimum of three years of toxicology, product safety, and hazard communication authoring experience is required.  Experience in the petrochemical industry is preferred.


  • Background is also preferred in:
    • The basic medical sciences including biochemistry, physiology, and pharmacology;
    • Petroleum and petrochemical application, emissions, chemistry, processing, toxicity, and epidemiology;
    • Hazard communication authorship using OSHA (HazCom 2012) criteria;
    • Toxicological principles and testing methods, e.g. OECD;
    • Chemical and statistical analysis;
    • Knowledge or major state/federal/global toxicity-related chemical regulations e.g. TSCA;
    • Computer literacy especially in regards to Wercs SDS Authoring Module, Microsoft Office Suite, on-line database searching and internet use.


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 with more than 3 million barrels per day of crude oil capacity across 16 refineries. MPC's marketing system includes branded locations across the United States, including Marathon brand retail outlets. Speedway LLC, an MPC subsidiary, owns and operates retail convenience stores across the United States. MPC also owns the general partner and majority limited partner interests in two midstream companies, MPLX LP and Andeavor Logistics LP, which own and operate gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure.

Travel Expected: Up to 10%


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, 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.

If you need a reasonable accommodation for any part of the application process at Marathon Petroleum LP, please contact our Human Resources Department at 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.

Equal Opportunity Employer: Veteran / Disability

Marathon Petroleum Company LP participates in the E-Verify program in some states in which it operates (including AL, AZ, GA, MS, NC, SC, TN, and UT). For more information before proceeding, please see details in English or Spanish. Right to Work Statement English or Spanish.

Nearest Major Market: Lima
Nearest Secondary Market: Findlay

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