Langan Engineering & Environmental Services
Consulting & Professional ServicesDirect Greenhouse career site

Air Quality Permitting and Dispersion Modeling Specialist

Pay
$76,000 – $110,000 per year
Location
Austin, TX · On-site
Job type
Full-time
Level
Senior
Experience
4+ years
Education
Bachelor's degree
Listed
31 days ago

Skills & highlights for this role

  • PE
  • AERMOD
  • CALPUFF
  • emissions calculations
  • permit applications

Also useful

  • AERSCREEN
  • MOVES

Stated benefits & perks

  • Health
  • Dental
  • Vision
  • 401k match

About the role

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 standing; and
  • Availability to work Monday through Friday with occasional evenings and weekends.

Additional information

Langan provides a rich array of programs and benefits to help its employees advance their careers and enhance the quality of their lives. Our comprehensive compensation package includes: full-time employment company paid medical, dental, and vision coverage; life insurance, short- and long-term disability insurance, and paid pregnancy disability leave; 401(k)/Roth with company match; paid time off including parental and military leave; employee referral and professional license bonuses; and educational reimbursement.

Langan offers employee resource groups; flexible work schedules; extensive training; wellness programs; buddy and mentoring programs; and much more!

Certain US jurisdictions require Langan to include an estimate of salary or hourly ranges. Actual compensation may vary based on factors such as related work experience, location, market conditions, education/training, certifications and other credentials, as well as applicable knowledge and skills. Certain roles may be eligible for overtime and participation in the firm's annual bonus and performance review program.

Bonuses are discretionary and based on individual job performance and the profitability of the firm. Employees are also eligible to receive up to 20 days of paid vacation time, 10 days of paid sick time and 10 paid holidays throughout the year. Eligibility and actual paid time off may vary based on local law and factors such as hours worked, related work experience and level.

Pay and benefits

Pay Range $76,000—$110,000 USD

Read the original posting

From Langan Engineering & Environmental Services's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.

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Common questions

What is the salary for the Air Quality Permitting and Dispersion Modeling Specialist role at Langan Engineering & Environmental Services?

The Air Quality Permitting and Dispersion Modeling Specialist posting at Langan Engineering & Environmental Services states compensation of $76,000 – $110,000 per year. It is listed as a full-time position. Final pay may depend on location, experience, and interview evaluation on Langan Engineering & Environmental Services's official career site.

Where is the Air Quality Permitting and Dispersion Modeling Specialist job at Langan Engineering & Environmental Services located?

This Air Quality Permitting and Dispersion Modeling Specialist position at Langan Engineering & Environmental Services is located in Austin, TX (On-site). Always check Langan Engineering & Environmental Services's application page for specific state eligibility or relocation policies.

What qualifications are required for Air Quality Permitting and Dispersion Modeling Specialist at Langan Engineering & Environmental Services?

For the Air Quality Permitting and Dispersion Modeling Specialist role, Langan Engineering & Environmental Services highlights 4+ years of relevant experience; a bachelor's degree; experience with AERMOD, CALPUFF, emissions calculations, permit applications. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Air Quality Permitting and Dispersion Modeling Specialist position at Langan Engineering & Environmental Services?

This listing links directly to Langan Engineering & Environmental Services's Greenhouse application page. You can apply directly on Langan Engineering & Environmental Services's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Greenhouse application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.