Environmental Engineer/Scientist

About Ameren Missouri

Ameren Missouri has been providing electric and gas service for more than 100 years, and our electric rates are among the lowest in the nation. Ameren Missouri's mission is to power the quality of life for our 1.2 million electric and 132,000 natural gas customers in central and eastern Missouri. Our service area covers 64 counties and more than 500 communities including the greater St. Louis area.

Our benefits include:

- Medical coverage on date of hire

- 100% employer paid cash balance pension plan

- 401(k) with company match fully vested on date of hire

- Minimum of 15 days paid vacation and 12 paid holidays

- Paid parental leave and family caregiver leave

Visit our

Benefits & Perks

Page for more information on benefits provided to regular full-time employees.

About The Position

The Environmental Air Quality Engineer/Scientist is responsible for providing environmental support for Ameren Missouri Energy Centers and other operational facilities and assets as needed. The Environmental Air Quality Engineer / Scientist provides environmental expertise and technical oversight, interprets regulations, interfaces with regulators and senior corporate leaders, and helps shape a balanced corporate environmental policy to the benefit of corporate stakeholders.

Key responsibilities include:

- Develop air construction and operating permit applications and work with Power Operations personnel to refine system designs and operating procedures that help ensure regulatory compliance.

- Provide EC environmental compliance support by reviewing, interpreting, communicating and helping implement pertinent air regulations.

- Develop and prepare management and regulatory compliance reports as required including emissions reports, deviation reports and compliance certifications, toxic release inventory reports and other reports as assigned

- Provide support for EC ambient air monitoring system as needed including equipment testing, maintenance and repairs, quality assurance requirements, recordkeeping and reporting, and contractor oversight.

- Interface with state and federal regulators in the operations and assessment of environmental monitoring and reporting systems.

- Responsible for developing and maintaining the regulatory and system expertise necessary for planning, coordinating and providing programmatic management of Continuous Emissions Monitoring (CEM) systems at multiple locations as assigned.

- Provide Energy Center (EC) support for environmental testing assigned facilities as needed including Relative Accuracy Test Audits (RATAs), stack tests, and other quality assurance requirements, equipment certification, testing, maintenance and repairs, reporting and contractor oversight.

- QA/QC CEM system data for assigned facilities and develop required local, state and federal reports of emissions data.

- Facilitate EC state and federal regulatory inspections by coordinating with regulatory and EC personnel.

- Conduct periodic EC environmental compliance reviews.

Qualifications

Bachelor's or Master's Degree in engineering, science or environmental science related field from an accredited college or university required. Three or more years of experience and specific working knowledge of CEM systems preferred. Five or more years of environmental regulatory experience in Missouri and/or Illinois preferred. Experience in ambient measurement systems, power plant systems, air quality regulations, permitting or pollution control equipment also desired.

In addition to the above qualifications, the successful candidate will demonstrate:

Must possess strong work ethic and be customer driven with excellent analytical, organization, human relations and communication skills. Must be highly motivated and have ability to manage multiple and complex tasks and work effectively to meet established deadlines. Candidate must be able to adapt to varying job assignments that range across the full spectrum of environmental matters depending on specific Energy Center needs. Proficiency in PC based spreadsheets, databases and word processing software a plus. The candidate must have demonstrated ability to perform assigned responsibilities with minimal direct supervision. The candidate must be willing to learn new technologies. Travel between Ameren facilities is required. Occasional overnight travel may be required.

- Salary depends upon individual credentials and career map and compensation structure.

Additional Information

Ameren’s selection process includes a series of interviews and may include a leadership assessment process. Specific details will be provided to qualified candidates.

Compensation Range:

$71,100.00 - $172,200.00

- This pay range encompasses multiple levels of the role. Career level and compensation depends upon applicant’s credentials.

At Ameren, base salary is one component of a competitive compensation package for employees. Our pay ranges are broad to allow for movement within our organization and to accommodate different skill sets and levels of expertise. We take into consideration a variety of factors including, but not limited to, skills, abilities, experience, education, credentials, and internal equity when determining the base salary offered. Roles are eligible for additional rewards including annual incentive payments based on individual and company performance.

If end date is listed, the posting will come down at 12:00 am on that date:

Monday December 08, 2025

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, ethnicity, age, disability, genetic information, military service or status, pregnancy, marital status, sexual orientation, gender identity or expression, or any other class, trait, or status protected by law.