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Air Quality Permitting and Dispersion Modeling Specialist

Langan Engineering and Environmental Services, LLC

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At a glance

Compensation
No compensation found
Location
Remote · US
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

Bachelor's degreeValid Driver's License

Job overview

Langan is seeking an Air Quality Permitting and Dispersion Modeling Specialist to perform air quality projects for clients across the United States. The role focuses on permitting and dispersion modeling, including emissions calculations, compliance reports, permit applications, and analysis of air quality impacts. The specialist will work with clients, agencies, and multidisciplinary engineering teams in a continuous learning environment.

Skills & qualifications

RequiredNice to have

Skills

Air Quality PermittingAir Quality ModelingAERMODCALPUFFAERSCREENMOVESPermit ApplicationsEmissions CalculationsAttention to DetailAnalytical JudgmentProblem-SolvingMultidisciplinary TeamworkConsulting

Qualifications

Bachelor's in Environmental or Chemical Engineering, Atmospheric Sciences/Meteorology or Related Field4+ Years Air Quality Permitting and Modeling ExperiencePE, FE/EIT, or Other Professional CertificationValid Driver's License

Full job description

Langan provides expert land development engineering and environmental consulting services for major developers, renewable energy producers, energy companies, corporations, healthcare systems, colleges/universities, and large infrastructure programs throughout the U.S. and around the world. Our employees collaborate seamlessly among 50+ offices and gain valuable hands-on experience that fosters career growth. Langan culture is entrepreneurial from advancing innovative technical solutions, to participating in robust training and knowledge sharing, to making progressive change within the communities we live and work. Consistently ranked among the top ten "Best Firms to Work For" and Engineering News-Record's top 50 firms worldwide, Langan attracts and retains the best talent in the industry. Employees thrive at Langan, a firm that fosters an inclusive and supportive work environment for all; prioritizes wellbeing, health, and safety; encourages volunteerism and philanthropy; offers workplace flexibility, along with carbon-neutral office spaces; and empowers individuals to contribute their skills and knowledge to make impactful contributions. Job Summary Langan is seeking an Air Quality Permitting and Dispersion Modeling Specialist to join its collaborative team in any of our Langan locations. This individual will serve a key function in performing air quality projects for a wide range of clients throughout the US. Specific responsibilities will include preparation of emissions calculations, compliance reports, permit applications, and dispersion modeling using various programs (AERMOD, MOVES, etc.). In this role, you will have the opportunity to work with top industry leadership in a continuous learning environment. Job Responsibilities * Provide technical support on air quality permitting projects, with special emphasis on air quality dispersion modeling development, execution, and analysis; * Have an understanding of and implement solutions to air quality impacts identified in air modeling analyses. This may include refining the model or working with clients to identify emission controls, operating modifications, or exhaust modifications; * Perform air quality modeling analyses using common air quality models (e.g., AERMOD, MOVES, CALPUFF, etc.) to evaluate air quality impacts as required for Title V, PSD, New Source Review compliance, and Environmental Impact Statements, as well as to support growing environmental concerns from the public associated with development projects; * Prepare and communicate technical work products clearly and effectively to clients and state and federal agencies at both a technical and business level; and, * Work as part of a multidisciplinary engineering team to support projects located throughout the US. Qualifications * Bachelor's degree in Environmental or Chemical Engineering, Atmospheric Sciences/Meteorology or closely related field; * 4+ years of experience working with air quality permitting and modeling; * Experience in performing air quality modeling using standard air quality models (e.g., AERMOD, CALPUFF, AERSCREEN, MOVES); * Demonstrated experience preparing permit applications and detailed emissions calculations; * PE or on track to obtain (FE/EIT) or other professional certification a plus; * Strong attention to detail with excellent analytical, judgment and problem-solving capabilities; * Demonstrated ability to work on a multidisciplinary team and succeed in a consulting environment; * Reliable transportation to access remote job sites and a valid driver's license in good standi

How this job compares

Set against the 1,528 open Environmental Engineer jobs on Olive Jobs, counted October 27, 2026.

Pay
  • This postingNot listed
  • Ohio median$91–160K/yr30 salary ranges
  • US median$34–42/hr74 hourly ranges
Openings
Olive Jobs lists 58 open Environmental Engineer jobs in Ohio and 1,528 across the US. 1% of them nationwide are listed as remote or flexible.
Hiring the most in Ohio
Experience
This posting asks for at least 4 years of experience — less than three in four Environmental Engineer postings that state a minimum ask for (median 7 years, across 1,308 postings).
Education
This posting asks for a bachelor's degree; 970 of the 1,528 open Environmental Engineer jobs (63%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on October 27, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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