Advisor - Environmental

MEPUSA is a growth-oriented upstream oil and gas company backed by Mitsui & Co., Ltd. The Environmental Advisor will support corporate and local operating teams by leading and maintaining environmental compliance programs for upstream oil and gas operations, serving as a key environmental subject matter expert for Operations, senior leadership, Mitsui headquarters stakeholders, regulatory agencies, and business partners.

About the role

The Environmental Advisor reports to the Director - HSE & Regulatory and is based in the Houston, TX office. This role offers broad exposure to environmental compliance, emissions management, regulatory strategy, audit readiness, sustainability initiatives, and cross-functional business operations within a collaborative and entrepreneurial environment. The position involves working across operated and non-operated assets while partnering with Operations, Accounting, senior leadership, regulatory agencies, and Mitsui headquarters stakeholders.

Responsibilities

• Lead and maintain environmental compliance programs for upstream oil and gas operations, including air, water, waste management, remediation, chemical storage, and other designated environmental programs.
• Lead emissions tracking, inventorying, calculations, reporting, and related data quality improvements to support monthly, quarterly, and annual reporting requirements.
• Identify opportunities to improve environmental performance, reporting efficiency, emissions management processes, data integrity, and regulatory compliance practices through technology, analytics, and process improvements.
• Lead preparation of air quality permits, emissions calculations, and dispersion modeling as needed for upstream facilities and operations.
• Manage outsourced LDAR, LiDAR, OGI leak survey, AVO, and related inspection programs, including oversight of contractor work and follow-up actions.
• Maintain working knowledge of applicable federal, state, and local environmental regulations, including Texas permitting, EPA, TCEQ, RRC, CERCLA, RCRA, USFWS, USACE, OOOOa/OOOOb, GHG, SPCC, storm water, and waste-related requirements.
• Advise Operations and asset teams on environmental compliance obligations, permitting requirements, emission control options, facility design considerations, and air compliance documentation.
• Serve as the environmental subject matter expert by providing strategic guidance to Operations and leadership regarding compliance risks, regulatory developments, environmental performance improvement opportunities, and business impacts.
• Lead or support environmental site assessments, remediation projects, sampling activities, corrective action design, and site characterization efforts as needed.
• Support environmental due diligence activities associated with acquisitions, divestitures, and new business opportunities as needed.
• Support spill prevention, response, mitigation, remediation, agency notifications, reporting, and follow-up documentation.
• Support development and maintenance of site facility diagrams, site inventories, equipment records, and compliance documentation for air permitting, GHG, SPCC, storm water, waste, and related programs.
• Assume leadership of the current asset Responsibly Sourced Gas (RSG) program and support implementation for future assets.
• Coordinate with Operations, Accounting, contractors, and leadership to support environmental reporting, compliance filings, audit readiness, and strategic environmental initiatives.
• Support internal and agency inspections, audits, and related follow-up activities; help resolve compliance issues and assess/respond to violation notices as assigned.
• Lead audit readiness activities, including compliance reviews, documentation assessments, corrective action tracking, and environmental data validation efforts.
• Promote environmental awareness through recurring training and communication with field and office personnel on standard and emerging environmental matters.
• Attend industry trade group meetings and participate in regulatory efforts as appropriate.
• Prepare clear environmental compliance updates, audit readiness summaries, and reporting materials for senior leadership, HQ stakeholders, and cross-functional business partners as needed.
• Serve as MEPUSA's environmental subject matter expert by advising Operations and leadership on regulatory requirements, compliance risks, permitting strategies, and environmental best practices.
• Perform other duties as assigned to support HSE&R and environmental compliance needs.

Requirements

• Bachelor's degree in Environmental Science, Geosciences, Engineering, Applied Science, or a related technical field required; advanced degree preferred.
• Minimum of 7+ years of environmental compliance experience within upstream oil and gas operations.
• Direct Texas regulatory and environmental experience strongly preferred.
• Demonstrated experience leading environmental compliance programs, permitting activities, emissions reporting, regulatory interactions, and audit readiness initiatives.
• Experience serving as a subject matter expert and business partner to Operations, leadership, regulatory agencies, and cross-functional stakeholders.
• Experience supporting or leading environmental programs related to air, water, waste, remediation, permitting, emissions tracking/reporting, and agency audits/inspections.

Skills

• Strong working knowledge of upstream oil and gas environmental compliance, with particular emphasis on GHG reporting, emissions inventorying, air regulations, Texas permitting, OOOOa/OOOOb, SPCC, storm water, waste management, and remediation programs.
• Ability to interpret and apply federal, state, and local environmental rules and requirements, and prepare or support required regulatory documents and filings.
• Ability to communicate environmental risks, regulatory developments, and business impacts to technical and non-technical stakeholders, including senior leadership.
• Technical proficiency with emissions inventory tracking, environmental data systems, site characterization, corrective action planning, and environmental reporting.
• Experience managing environmental contractors and field programs such as LDAR, LiDAR, OGI leak survey, AVO, sampling, inspections, monitor well installation, and remedial activities.
• Strong planning, organizational, analytical, and problem-solving skills with the ability to manage multiple projects and deadlines accurately.
• Ability to build and maintain effective relationships with Operations, Accounting, regulatory agencies, contractors, senior leadership, Mitsui headquarters stakeholders, and cross-functional business partners.
• Clear written, verbal, and interpersonal communication skills with the ability to influence, advise, and explain environmental requirements across departments.
• Ability to work independently with limited supervision while also contributing effectively in a multidisciplinary team environment.
• Proficiency with Microsoft Office Suite, including Word, Excel, PowerPoint, and Visio; ability to use internal systems and environmental databases as needed.
• Fluent verbal and written skills in English.

Work Environment & Physical Demands

This job operates in a professional office environment and routinely uses standard office equipment. May occasionally be asked to work nights/weekends if urgent systems issues arise. Eligible for Hybrid Telework Program.