Air Quality Permitting and Dispersion Modeling Specialist

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.

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.

• 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.

• 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.

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!

Langan is committed to providing equal employment opportunities to all qualified applicants and employees, including individuals with disabilities and protected veterans. We believe that an inclusive workplace is essential for the well-being and success of our employees.