Clean Air Act Engineer
US$90,000 – US$120,000 / yr base salary
Posted 16 Oct 2026
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 5+ yrs
- Management level
- People management
- Employment
- Remote
- Contract
- Full-time
| Base salary | US$90,000 – US$120,000 / yr |
|---|
ERG is a research and consulting firm that provides a wide range of support to federal, state, and commercial clients. ERG offers multidisciplinary teams with nationally recognized skills in engineering, science, economics, public health, informational technology, and communications. We hire people with the best minds and then provide them with a vibrant and flexible environment in which to develop their careers. The qualified individual must be highly motivated with the skills to prioritize, perform, and communicate effectively in a fast-paced environment.
ERG is seeking a highly qualified candidate who possesses exceptional management, organizational, and communication skills, with a strong background in Clean Air Act statutes, regulations, and policy—particularly in permitting and enforcement.
Job Description:
- Perform, review, and evaluate air dispersion modeling analyses using tools such as AERSCREEN, AERMOD, including:
- Performing modeling applicability determinations consistent with federal, state, and local guidance
- Identifying representative meteorological data
- Establishing representative source parameters and potential emissions rates
- Establishing background concentrations and identifying nearby sources to be explicitly modeled consistent with applicable federal and state guidelines
- Evaluating NO to NO2 conversion and secondary pollutant formation consistent with applicable federal and state guidelines
- Evaluating compliance with National Ambient Air Quality Standards (NAAQS), significant impact levels (SILs), and PSD increments
- Perform toxic air pollutant evaluations consistent with federal, state, local, and Tribal agency air toxics programs 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 conformity with regulations and policy, including applicability determinations, potential to emit, monitoring requirements, and control technologies
- Draft and review control technology determinations, including BACT and LAER analyses
- Review draft regulations to ensure conformance with EPA requirements
- Research alternative approaches to compliance with EPA regulations based on similar State rules
- Mentor and provide guidance to less experienced staff
- Manage multiple projects and small project teams simultaneously
- Collaborate and communicate effectively with clients and internal stakeholders