Environmental Engineer

CITGO PETROLEUM CORPORATION

CITGO Petroleum Corporation is a recognized leader in the refining industry and operates under the well-known CITGO brand.

CITGO owns and operates three refineries located in Lake Charles, LA.; Lemont, IL.; and Corpus Christi, TX, and wholly and/or jointly owns 38 active terminals, six pipelines and three lubricants blending and packaging plants.

With approximately 3,300 employees and a combined crude capacity of approximately 807,000 barrels-per-day (bpd), positions CITGO as one of the best-branded supplier companies in the industry.

At CITGO our people are our most important resource.

Our core values are Safety, Integrity, Respect, Accountability, and Care.

Job Summary

This is an on-site position located in Lemont, IL at the CITGO Refinery.

The Associate Environmental Engineer provides environmental compliance support for Lemont Refinery programs, with a primary focus on air compliance, environmental data management, regulatory reporting, agency correspondence, and environmental management system activities.

The role supports compliance with federal, state, and refinery environmental requirements by coordinating inspections, reports, records, incident documentation, compliance calendar activities, and cross-functional communication with Operations, Engineering, Corporate Environmental, and regulatory agencies.

Salary range: $88,000 - $113,000

Click here for CITGO BENEFITS

Application deadline: Aug.

19, 2026

Minimum Qualifications



* Bachelor's degree in Environmental Engineering, Chemical Engineering, Environmental Science, or a related technical discipline required.


* Zero to one year of relevant experience required.


* Environmental, regulatory compliance, refinery, petrochemical, manufacturing, or industrial experience preferred.


* Experience with air compliance, environmental reporting, agency correspondence, inspections, emissions calculations, compliance calendars, or environmental management systems is preferred.


* Proficiency with Microsoft Office required; experience with SharePoint, Enablon, or similar compliance/document management systems preferred.


* Must be able to work in a refinery environment, access operating areas as needed, comply with site safety requirements, wear required personal protective equipment, and coordinate with Operations, Engineering, Maintenance, and Environmental personnel.


* Strong organizational, follow-up, technical documentation, problem-solving, and communication skills, with the ability to manage multiple priorities and meet regulatory reporting deadlines.


* Valid driver's license required.


* Must be eligible to obtain a TWIC.

Job Duties

1.

Support and assist with implementation and administration of air compliance programs; those programs include Storage Tank compliance (emissions and inspections), Continuous Emission Monitoring Systems (CEMS), and RICE engines.

Requires the ability to understand and apply complex fed...