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We continually strive for a workforce that reflects the growing diversity within the State of Illinois. A variety of employee backgrounds, perspectives, ideas and experiences are crucial to our ability to most effectively serve the public. Bilingual skills welcome

Reasonable Accommodation Statement

The State of Illinois is committed to working with and providing reasonable accommodations to people with disabilities. Further, federal law requires employers to provide reasonable accommodation to qualified individuals with disabilities. Please tell us if you require a reasonable accommodation to apply for a job, interview for a job, or for any other activity related to the hiring process. Examples of reasonable accommodation include, but are not limited to, making a change to the application process (if possible), providing documents in an alternate format, using a sign language interpreter, or using specialized equipment.

To be provided a Reasonable Accommodation during the hiring process, you will need to provide a certification of disability from a physician, psychiatrist, school official or an Illinois Department of Human Services (DHS) Division of Rehabilitation Services (DRS) Vocational Rehabilitation (VR) Counselor. Supporting documentation should be uploaded under My Documents → Additional Documents section for each application.

Any questions on Reasonable Accommodations can be directed to Central Management Services Disability Resource Center at or call (217) 524-7514 for further information and to request or discuss an accommodation.

Sponsorship for Employment

The State of Illinois does not provide sponsorship for employment visa status (e.g. H-1B visa status). To be considered for permanent employment with the State of Illinois, applicants must be currently authorized to work in the United States on a full-time basis.

Disclosure of Salary Information

In compliance with the Illinois Equal Pay Act, 820 ILCS 112/1 et seq., the State does not seek, request, or require a job applicant’s wage or salary history.  Employment decisions are not made based on an applicant’s wage or salary history.  To that end, please do not include wage or salary information in your resume or other profile or application materials.

Date:  Jan 19, 2023

Springfield, IL, US, 62702-4059

Job Requisition ID:  21913

Agency :  Environmental Protection Agency 
Closing Date/Time: 01/31/2023
Salary:   $6,175.00 - $9,314.00 Monthly CBA Language Applies  
Job Type:   Salaried Full Time  
County:   Sangamon  
Number of Vacancies:   1  
Plan/BU:   RC062  


This position is a union position; therefore, provisions of the relevant collective bargaining agreement/labor contract apply to the filling of this position.


All applicants who want to be considered for this position MUST apply electronically through the website. State of Illinois employees should click the link near the top left to apply through the SuccessFactors employee career portal.

Applications submitted via email or any paper manner (mail, fax, hand delivery) will not be considered.


Posting Identification Number  21913



It is a requirement of this position that you possess a Bachelor's Degree with coursework in physical, life, or environmental sciences.


Upload a copy of your official college transcripts and your degree certificate (if applicable) in the additional documents portion of the job requisition for verification of your degree.

Job Overview

The Illinois Environmental Protection Agency (EPA), Bureau of Air (BOA), Air Pollution Control Division, Permit Section, Modeling Unit is seeking to hire an Environmental Protection Specialist (EPS) IV. This position will serve as a working supervisor of professional staff engaged in air pollution modeling in an office setting and serve as a staff member of consulting agency personnel on complex or difficult problems or studies which have program or policy impact. In this position, you would be the technical expert on air pollution related issues within the unit. The successful candidate will have experience independently working on studies which have a number of unknowns and require advanced knowledge and/or experience to complete. As an EPS IV, you will be reviewing technical and scientific information regarding air pollution modeling and providing technical assistance to professional staff.


The benefits of working at the EPA include a 37 ½ hour work week, a generous salary and benefits package (paid time off for vacation, sick or personal leave, holidays), pension and other retirement benefits, tuition reimbursement, and insurance eligibility on day one (medical, dental, vision, and life). We invite all qualified candidates to apply.

Job Responsibilities

25%  1.  Serves as designated working supervisor to Modeling Unit staff in the Permit Section, Division of Air Pollution Control (APC), Bureau of Air (BOA);

    • Assigns and reviews work
    • Provides guidance and training to assigned staff
    • Counsels staff regarding work performance
    • Reassigns staff to meet day-to-day operating needs
    • Establishes annual goals and objectives
    • Approves time off
    • Prepares and signs performance evaluations

(Job Responsibilities continued)

25%  2.  As modeling technical expert, plans and implements the execution of highly complex technical air quality assessments utilizing air pollution modeling techniques;

  • Prepares and oversees preparation of specialized and highly complex technical analyses of meteorological and environmental air quality data to characterize the quality of the air for utilization by BOA management in establishing goals and objectives.
  • Provides consultation and technical support to BOA staff in the areas of photochemical, Gaussian, and meteorological modeling methodologies and requirements.
  • Conducts or oversees Prevention of Significant Deterioration (PSD) air quality reviews (reviews modeling protocols, evaluates model inputs and outputs, performs modeling audits).
  • Possesses sufficient familiarity and proficiency with the California Puff model (CALPUFF), California Meteorological model (CALMET) and California Post-processing program (CALPOST) modeling software to review and audit a PSD air quality analysis addressing visibility, Air Quality Related Values (AQRVs), and PSD increments in a Class I area.
  • Conducts or oversees the meteorological data processing for all first order National Weather Service (NWS) stations in Illinois and selected NWS stations in Kentucky, Indiana, Iowa, Missouri, and Wisconsin.
  • Processes monitoring data for numerous ambient air quality monitors to generate American Meteorological Society/Environmental Protection Agency Regulatory Model (AERMOD)-ready, hourly by season background values for use in SO2 and NO2 dispersion modeling.


(Job Responsibilities continued)

25%  3.  Provides expert consultation and technical support to BOA staff and outside entities, including regulated sources, consultants, and the Lake Michigan Air Directors Consortium (LADCO). Provides support for:

    • Emission inventory
    • Meteorological data
    • Monitoring data requests

10%  4.  Researches, recommends, and maintains the BOA’s modeling computer system;

  • Updates modeling software on appropriate computers within the BOA as necessary, staying abreast of changes
  • Utilizes innovative and emerging air quality and meteorological techniques
  • Reviews complex scientific literature and Federal guidance
  • Oversees the operation, maintenance, and administration of the Modeling Unit's "Linux Cluster" server-class computers.

(Job Responsibilities continued)

10%  5.  Serves as expert witness;

  •  Develops, prepares, and provides testimony at public hearings describing air quality assessment methodology
  •  Provides supporting information and results of the BOA’s State Implementation Plan surrounding development efforts and permitting.
  •  Travels in performance of duties


05%  6.  Performs other duties as required or assigned which are reasonably within the scope of the duties enumerated above.

Minimum Qualifications

  1. Requires knowledge, skill and mental development equivalent to the completion of four years college with coursework in physical, life, or environmental sciences.
  2. Requires two years supervisory experience in the field of pollution abatement or related field.

Preferred Qualifications

1. Prefers two (2) years of experience in atmospheric, air quality, and photochemical modeling.
2. Prefers two (2) years of experience in the utilization of Linux operating system or similar type system.
3. Prefers two (2) years of experience in weather forecasting/modeling.
4. Prefers thorough knowledge of environmental control systems, facilities, and related techniques, procedures and processes.
5. Prefers extensive knowledge of state laws, rules, regulations and standards pertaining to environmental control or pollution abatement.
6. Prefers three (3) years of experience preparing detailed and comprehensive reports of complex and sensitive investigations.
7. Prefers three (3) years of experience analyzing and interpreting complex and extensive scientific data relating to facilities, installations, equipment and environmental control systems and processes.
8. Prefers three (3) years of experience establishing and maintaining liaison with municipal officials, facility owners and operators, plant managers, or their representatives, and agency professional staff.

(Preferred Qualifications continued)

9. Prefers three (3) years of experience interpreting pertinent laws, rules, regulations, concerning pollution control or abatement and to explain to individuals the techniques and procedure utilized in enforcing the laws, rules and regulations.
10. Prefers ability to supervise a sub-unit of a technical activity within the assigned program.
11. Prefers three (3) years of experience utilizing a personal computer with knowledge of Microsoft Word, Excel, and Access software.
12. Prefers coursework (18-20) semester hours in meteorology or related field.
13. Prefers a bachelor’s degree in engineering.

Specialized Skills

Of the two years’ experience required: requires two years’ experience in atmospheric, air quality, and photochemical modeling; experience with Linux computer systems; and experience in weather forecasting/modeling.

Conditions of Employment

  1. Requires a current and valid driver’s license.
  2. Requires the ability to travel.
  3. Requires ability to pass a name-based background check.

Work Hours:  8:30 am - 5:00 pm Monday - Friday  
Work Location: 1021 E North Grand Ave Springfield, IL 62702-4059  
Agency Contact:

Chris Steinkruger


Phone #:217-558-1256

Job Family:  Sciences and Natural Resources  


This position DOES contain “Specialized Skills” (as that term is used in CBAs).



Agency Statement:

The mission of the Illinois Environmental Protection Agency (IEPA) is to safeguard environmental quality, consistent with the social and economic needs of the State of Illinois, so as to protect health, welfare, property and the quality of life.  IEPA works to safeguard the states natural resources from pollution to provide a healthy environment for its citizens. By partnering with businesses, local governments and citizens, IEPA is dedicated to continued protection of the air we breathe and our water and land resources.


The IEPA does not provide sponsorship for employment visa status (e.g. H-1B visa status).  To be considered for permanent IEPA employment, applicants must be currently authorized to work in the United States on a full-time basis.


Certain provisions of the revolving door restrictions contained in 5 ILCS 430/5-45 apply to this position. As a result, the employee should be aware that if offered non-State employment during State employment or within one year immediately after ending State employment, the employee shall, prior to accepting any such non-State employment offer, notify the Office of the Executive Inspector General for the Agencies of the Illinois Governor (“OEIG”), and seek a revolving door determination from the OEIG, or may be subject to a fine.





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If you have questions about how to apply, please see the following resources:

State employees: Log in to the career portal for State employees and review the Internal Candidate Application Job Aid

Non-State employees: on – click “Application Procedures” in the footer of every page of the website.


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