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Environmental/Air Quality Specialist (Casual)

Marathon Petroleum Corporation
United Statespart_timeVerifiedPosted 29 Apr 2026

About the role

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 is seeking a Casual Environmental Specialist to provide environmental technical expertise and regulatory support on an as-needed basis, with an estimated up to 500 hours per year. This role supports environmental compliance, policy implementation, and technical problem-solving across assigned areas of the business.

KEY RESPONSIBILITIES:  

  • Interprets and develops Company environmental policies and guidelines and develops methods and procedures for implementing and assuring conformance; advises appropriate managers and supervisors of the Company’s goals and requirements; provides guidance and technical assistance in organizing and establishing programs and procedures to implement and administer such requirements, including budget inputs. Monitors compliance with these policies in assigned areas and directs related reports and recommendations to appropriate personnel.

  • Designs and/or reviews engineering designs and cost estimates for environmental equipment or systems; determines engineering specifications and recommends equipment, as required.

  • Significant experience in National Ambient Air Quality Standards regulatory programs and operational implications

  • Possesses Expertise in various atmospheric and dispersion models, techniques, and processes as well as atmospheric monitoring equipment and techniques.

  • Keeps abreast of environmental legislation, regulatory agency actions, and international standards as well as related technological and administrative developments; develops/assists with legislative and regulatory impact assessment to ensure an appropriate response by the Company to governmental proposals; submits required reports and obtains various permits as required.

  • Develops environmental information, manuals, training material and programs; informs employees of related policies and procedures; conducts appropriate training sessions.

  • Maintains sufficient professional expertise and proficiency in discipline to achieve Company expectations and perform technical assignments.

  • Perform other duties, as assigned.

EDUCATION AND EXPERIENCE:  

  • Bachelor’s degree in Physical Science or Engineering with 15 years of relevant environmental experience.

SKILLS: 

  • Able to prioritize, multi-task, and be flexible 

  • Strong problem solving and analytical skill

  • Demonstrated success with influencing external technical, trade, and advocacy organizations

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

Location:

Houston TX Park Row

Additional locations:

Job Requisition ID:

00021660

Location Address:

16680 Park Row Dr.

Education:

Employee Group:

Part time

Employee Subgroup:

Casual

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.

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

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Company

Marathon Petroleum Corporation

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