Clean Air Act Engineer

ERG

. Perform, review, and evaluate air dispersion modeling analyses using AERSCREEN and AERMOD .

Posted 10/16/2026full-timeRemote • Virginia • United StatesMid-LevelSenior💰 $90,000 - $120,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in air dispersion modeling and compliance with Clean Air Act regulations, including proficiency in AERMOD and AERSCREEN. Capable of drafting and reviewing air permits while managing multiple projects and mentoring junior staff.

Highest-signal resume keywords

Air Dispersion ModelingAERMOD ProficiencyClean Air Act CompliancePermit Drafting and ReviewProject Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Air Dispersion ModelingAERMODAERSCREENAERMETAERSURFACEVISCREENCALPUFFTechnical WritingData AnalysisRegulatory Review

Soft Skills

Strong Communication SkillsTime ManagementMentoringCollaborationPresentation Skills

Tools & Technologies

Microsoft ExcelMicrosoft WordTechnical Documentation ToolsModeling Software

Industry Keywords

Clean Air ActNAAQSSILsPSDBACTLAERSIPEPA RegulationsEnvironmental EngineeringAir Quality Models

About the role

Key responsibilities & impact

Perform, review, and evaluate air dispersion modeling analyses using AERSCREEN and AERMOD
Perform modeling applicability determinations consistent with federal, state, and local guidance
Identify representative meteorological data
Establish representative source parameters and potential emissions rates
Establish background concentrations and identify nearby sources for explicit modeling
Evaluate NO to NO2 conversion and secondary pollutant formation
Evaluate compliance with NAAQS, SILs, and PSD increments
Perform toxic air pollutant evaluations using AERSCREEN and other screening tools
Draft Clean Air permits, including minor source, Title V, PSD, and major nonattainment permits
Ensure drafted permits comply with SIP-approved rules, EPA regulations and policies, and applicable statutes
Review proposed permits from state and local agencies for regulatory and policy conformity
Draft and review BACT and LAER control technology determinations
Review draft regulations for conformance with EPA requirements
Research alternative compliance approaches based on similar state rules
Mentor and provide guidance to less experienced staff
Manage multiple projects and small project teams simultaneously
Collaborate with clients and internal stakeholders
Prepare clear, thorough technical documents and reports

Requirements

What you’ll need

B.S. or M.S. in Engineering, preferably Civil, Mechanical, Chemical, or Environmental
Solid knowledge of Clean Air Act laws and regulations as they pertain to permitting
Minimum of five years of experience completing, reviewing, and/or evaluating air dispersion modeling analyses
Proficiency in AERMOD, AERSCREEN, AERMET, and AERSURFACE
Familiarity with EPA’s Guideline on Air Quality Models (40 CFR Part 51, Appendix W)
Experience with VISCREEN, CALPUFF, and/or other visibility models preferred
Minimum of five years of experience implementing Clean Air Act regulations, including drafting and/or reviewing permits or permit applications
Proficiency in Microsoft Excel and Word
Strong writing and communication skills, with the ability to present project findings effectively to a variety of stakeholders
Excellent time management skills and ability to manage multiple projects, meet tight deadlines, and deliver client-ready work

Benefits

Comp & perks

Health and dental insurance
Life insurance
Long-term disability insurance
Educational benefits
Flexible Spending Accounts (FSAs)
401(k) plan
Profit sharing
Employee Assistance Program (EAP)
11–20 paid vacation days per year
10 paid holidays per year
56 hours or more of sick leave per year, based on the state worked in
Friendly, flexible work environment
Reasonable accommodation for qualified individuals with disabilities and disabled veterans