Lead Environmental Compliance Advisor – Upstream

Mitsui E&P USA LLC; Houston (TX); Hybrid; USD 120,000 - 170,000; Full time

Job summary

Mitsui E&P USA LLC in Houston, TX seeks an Environmental Tech Advisor to lead and maintain environmental compliance programs for upstream operations. The role focuses on air, water, waste, remediation, emissions reporting, permitting, audit readiness, and data quality.

This position reports to the Director - HSE & Regulatory and works across operations, accounting, and leadership, offering broad exposure to regulatory strategy and sustainability initiatives.

Qualifications

• Bachelor's degree in Environmental Science, Geosciences, Engineering, Applied Science or related field required.
• Minimum 7+ years of environmental compliance experience in upstream oil & gas operations.

Responsibilities

• Lead and maintain environmental compliance programs for upstream oil and gas operations (air, water, waste, remediation).
• Lead emissions tracking, inventorying, calculations, reporting, and data quality improvements for monthly/quarterly/annual reporting.
• Advise on regulatory obligations, permitting requirements, emission controls, and air compliance documentation.
• Prepare air quality permits, emissions calculations, and dispersion modeling for upstream facilities.
• Manage outsourced LDAR, LiDAR, OGI leak survey, AVO, and related inspection programs.

Skills

GHG reporting

Emissions inventorying

Air regulations

Texas permitting

Regulatory compliance

LDAR LiDAR OGI

Data quality

Education

Bachelor's degree in Environmental Science/Geosciences/Engineering/Applied Science

Tools

MS Office

Environmental data systems

Visio

Job description

Mitsui E&P USA LLC in Houston, TX seeks an Environmental Tech Advisor to lead and maintain environmental compliance programs for upstream operations. The role focuses on air, water, waste, remediation, emissions reporting, permitting, audit readiness, and data quality.

This position reports to the Director - HSE & Regulatory and works across operations, accounting, and leadership, offering broad exposure to regulatory strategy and sustainability initiatives.