Senior Environmental Specialist

Marathon Petroleum Corporation; Indianapolis (IN); On-site; USD 123,000 - 212,000; Full time

Benefits offered by this job

Health insurance

Vision insurance

401k matching

Job summary

Marathon Petroleum Corporation seeks an Air Subject Matter Expert (SME) to lead air permitting and compliance across terminals, pipelines, and fleets. The role develops strategy, guides complex projects, and builds relationships with engineering, operations and leadership.

Based in Indianapolis with travel up to 25% and flexible location options. The candidate will become a trusted technical advisor, owning the air permit program and contributing to continuous improvement initiatives while

Qualifications

• Experience leading air permitting and compliance programs.
• Ability to review and interpret environmental rules for leadership.
• Strong communication with field Environmental Specialists and stakeholders.

Responsibilities

• Lead air permitting and regulatory compliance activities for terminal, pipeline, and marine projects.
• Coordinate audits and provide insights to improve environmental performance.
• Develop guidance and training for field teams on air compliance topics.
• Represent the department in regulatory discussions and inter-team projects.

Skills

Air Permitting

Regulatory Compliance

NSPS/NSR

Internal Audits

Stakeholder Communication

Project Leadership

Education

Bachelor’s degree in Engineering or Environmental field

High School Diploma or GED + 7–15 years experience

Job description

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.

The Logistics & Storage Environmental, Safety, Security and Product Quality (L&S ESS&PQ) department is seeking an enthusiastic, collaborative professional ready to expand their technical expertise, influence business decisions, and grow as an environmental leader. We are looking for candidates who build strong partnerships across teams, communicate effectively in both speaking and writing, and thrive in a fast-paced environment where their work can make a visible impact.

Position Summary

The MPLX L&S ESS&PQ Group has a full-time, exempt opening for an Air Subject Matter Expert (SME) on the Air Compliance and Technical Support Team. This highly visible role will lead environmental air permitting and air compliance efforts for terminals, pipeline and marine facilities, and transport fleets across the country. The position offers an opportunity to shape compliance strategy, guide complex projects, build broad organizational relationships, and develop leadership capabilities while becoming a trusted technical advisor to the business.

Candidate location is flexible and can be based at any L&S location. This position may require up to 25% travel with occasional overnight stays.

Key Responsibilities

• Serve as a key member of an experienced team of Air SMEs, with opportunities to lead initiatives, broaden technical expertise, and influence environmental strategy. Responsibilities will include the following:
• Serving as a trusted advisor to field Environmental Specialists by providing day-to-day air permitting and regulatory compliance support.
• Leading and supporting implementation of new and revised air regulations (i.e., 40 CFR Part 60 Subpart XXa and Part 63 Subparts R and BBBBBB).
• Collaborating with, and providing support and backup for, other Air SMEs (e.g., storage tanks, CEMS, LDAR), creating opportunities to expand expertise across multiple programs.
• Performing and documenting New Source Performance Standards (NSPS) determinations for terminal, pipeline, and marine projects.
• Leading and supporting air permit and compliance audits, communicating insights to stakeholders, and driving continuous improvement through the internal auditing program.
• Representing L&S in rule advocacy efforts through trade organizations, such as the International Liquid Terminals Association (ILTA), and helping shape practical regulatory outcomes.
• Creating and improving guidance documents and compliance tools that establish consistent practices and enable effective decision-making across the organization.
• Developing and delivering training to field Environmental Specialists on a wide range of air compliance and permitting topics, strengthening technical capability across the team.
• Helping lead emerging technology evaluations and digital transformation initiatives, such as Next Gen Maintenance and the new Environmental Accounting & Tasking system.
• Serve as Air Permitting Coordinator for the L&S organization — a visible leadership assignment that connects environmental expertise with engineering, operations, business development, and senior stakeholders.
• Represent L&S Environmental in engineering, business development, and other project-related meetings, providing clear recommendations and helping teams navigate permitting and scope decisions.
• Own and advance the air permit and project tracking program.
• Set air permitting priorities and strategically align internal and external resources.
• Identify the timeliest and most cost-effective permitting pathways to support project schedules and business objectives.
• Provide clear, proactive project updates — including scope changes and permit timing — to stakeholders and leadership.
• Lead or support development of air permit applications, complete detailed reviews of draft permits, and recommend solutions to complex permitting issues.
• Build productive relationships with state agencies and Field Environmental Specialists to obtain permits that support business objectives.
• Develop into a recognized Air Permitting SME for New Source Review (NSR), Title V (major), and non-Title V (minor) permitting, with a pathway to broader technical and organizational leadership.

Education and Experience

Minimum Qualifications

• High School Diploma or GED required with 15 years of relevant environmental experience in a process industry (e.g. refining, midstream, petrochemical or other heavy industrial); or Bachelor’s degree in a HES related field, Engineering degree, or advanced degree with 7 years relevant environmental experience.
• Detailed knowledge on current and proposed environmental rules and regulations with the ability to communicate impact plans to local leadership for budget development.
• Ability to review engineering designs and specifications to ensure compliance with appropriate environmental rules and regulations.
• Comprehensive knowledge of facilities and relationships with environmental rules and regulations with the ability to initiate steps that will avoid reoccurrence of environmental problems.
• A driver’s license is required.
• Must possess or be able to obtain a Transportation Worker Identification Credential (TWIC).

Preferred Qualifications

• At least 5 years of air permitting and compliance experience is preferred.
• Bachelor’s degree in civil or environmental engineering, or Environmental Management is preferred.
• Relevant industry certifications are preferred.
• Strong background in environmental compliance related to oil and gas operations is preferred.

Location

Indianapolis, Indiana

Pay Min/Max

$122,900.00 - $212,000.00 Salary

Grade

12 - 13

Location Address

1304 Olin Ave

Additional locations

Albuquerque, New Mexico, Findlay, Ohio, Long Beach, California, Pasadena, Texas, Salt Lake City, Utah, San Antonio, Texas

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.

If you need a reasonable accommodation for any part of the application process at Marathon Petroleum LP, please contact our Human Resources Department at [e-mail]. 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 mympcbenefits.com. 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.