Senior Environmental Specialist - Air

Job Summary

Marathon's Corporate Refining Environmental Department is seeking a Senior Environmental Specialist – Air to support Marathon's Refining Organization. This position will serve as the Subject Matter Expert (SME) in Clean Air Act regulations and air permitting requirements. The primary role is to serve as a technical liaison to MPC's Refining and Renewables environmental staff in the applicability and execution of air quality regulations, including NSPS, MACT, NESHAP, Emissions Inventory, NSR, PSD, and Title V.

Additional project roles may include auditing, emissions inventory, permit limit management, and external shareholder communications. The selected candidate will foster a culture of environmental stewardship through leading refinery program coordinator conference calls and work groups in the development of best practices and formalized guidance.

• Coordinate and lead permitting activities associated with Refining and Renewable Fuels projects, including creating permit strategies, project schedules and milestones, and communicating and managing key permitting risks.
• Provide environmental engineering support for MPC’s Refining and Renewable operations to ensure implementation of environmental programs follows regulatory requirements and company policies.
• Build strategic working relationships with each refinery and ancillary departments such as engineering, operations and technical services, providing guidance and clear direction on compliance matters for the company.
• Develop and implement corrective actions or recommendations for environmental compliance improvements.
• Provide negotiation support with federal or state regulatory agencies as needed for the refinery.
• Represent the company in meetings with federal, state, and local regulatory agencies.
• Identify emerging environmental issues, review and provide guidance and permitting for the implementation of new environmental programs and developing company initiatives (GHG Reduction, Renewable Projects, Sustainability, etc.).
• Provide technical assistance in regulatory advocacy work that may be needed for proposed regulations.
• Identify areas where capital improvements are needed and support development of refinery budget.
• Facilitate development of Decision Support Packages (DSP) to support engineering and construction of required projects.
• Oversee the implementation of MPC Consent Decrees or Agreements, including but not limited to Agreed Orders, Flare Consent Decrees, LDAR Consent Decrees, etc.
• Conduct deep‑diving auditing of compliance programs.
• Train and mentor facilities’ environmental staff through the implementation of formalized PATH training and other team‑building activities.

• Bachelor’s degree in a HES related field or Engineering degree; education must be obtained/completed prior to start date.
• 7 years of relevant professional environmental experience in a process industry such as refining, midstream, petrochemical or other heavy industry.
• Detailed knowledge of current and proposed environmental Air Rules and Regulations (air quality regulations, including NSPS, MACT, NESHAP, Emissions Inventory, NSR, PSD, and Title V) 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.
• Proficient in Microsoft Word, Excel and Outlook.
• Must be able to wear appropriate PPE in the refinery (respirator), be able to physically perform all tasks in the field and take hair drug test and physical.
• Must have a valid driver’s license (MPC determines valid status).
• Must have steady employment history.
• Must be able to obtain a TWIC Card.
• Legally authorized to work in the US without the need for future VISA sponsorship.

Available schedule: onsite Monday–Friday, core business hours 8 AM – 5 PM. After‑hours calls are required several times a month,…