About the posting
“Our Air Quality Permitting and Dispersion Modeling specialist will lead and execute air quality projects for a wide range of clients throughout the US.”
Read the full posting on Langan Engineering & Environmental Services' site
Seen live Oct 23, 2026; first seen Oct 22, 2026.
Pay in context
This posting lists $96,750 to $140,000 a year, a midpoint of $118,375.
The midpoint is higher than 42 percent of project management postings in Chicago, IL that list pay.
Illinois has a pay transparency law: covered employers must include a pay range in a job posting. Which employers are covered depends on their size.
How long it has been open
Posted Jul 1, 2026, 114 days ago, and seen on Langan Engineering & Environmental Services' careers page today.
At 114 days old, it is over the 52-day median.
Langan Engineering & Environmental Services at a glance
Langan Engineering & Environmental Services has 521 open postings that we can see, 83 in project management; 34 percent list pay.
The application
Applying goes through Greenhouse.
Trailhead fills Greenhouse, Lever and Ashby forms on your computer; on the phone and on other systems it hands you your answers and your resume.
Seniority
Level: manager.
The posting mentions 6+ years.
Place and cost of living
On site in Chicago, IL; prices in IL run 0 percent below the US average.
Similar jobs at similar pay
The project management market in Chicago, IL
72 project management postings in Chicago, IL are open right now, from 34 employers.
Half of them have been open 52 days or less.
From Langan Engineering & Environmental Services' posting
This is Langan Engineering & Environmental Services' own text, as published on its job board. We last checked it on Oct 23, 2026. Apply on Langan Engineering & Environmental Services' site. We remove a posting when the employer closes it.
Apply on Langan Engineering & Environmental Services' site
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 a Environmental Permitting and Compliance Project Manager, Scientist or Engineer – Air Quality to join its collaborative team in any of our Langan locations. Our Air Quality Permitting and Dispersion Modeling specialist will lead and execute 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
- Prepare and review air permit applications, ensuring accuracy, completeness, and adherence to regulatory requirements.
- Lead air permitting efforts for the life-cycle of a project from initial due diligence, through preparation of applications, strategic compliance support throughout construction and ongoing operational compliance
- 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;
- Perform and manage multiple tasks within scope/budget/schedule expectations and ensure quality standards on project deliverables;
- Manage project budgets and assist in invoicing as project or task manager;
- Provide direct oversight and management of junior staff for specific project assignments;
- Lead and/or assist in the preparation of proposals including development of scope and costs;
- Act as a liaison between internal multidisciplinary stakeholders; and
- Work as part of a cross-functional engineering team to support projects located throughout the US.
Qualifications
- Bachelor's degree in Environmental or Chemical Engineering, Meteorology, or closely related field. Master’s degree preferred;
- 6+ years of experience working with air permitting and multimedia compliance projects in a consulting environment;
- PE or on track to obtain (FE/EIT) or other relevant professional certification (e.g. CHMM) is strongly preferred;
- Ability to effectively manage multiple clients and projects;
- Ability to work well on multi-disciplinary projects;
- Willingness and ability to maintain and develop existing client relationships as well as identify new opportunities is strongly desired;
- Excellent written and verbal communication skills;
- Strong attention to detail with excellent analytical, multitasking, and judgment capabilities;
- Ability to effectively work independently and in a team environment; and
- Possess reliable transportation for client meetings and job site visits and a valid driver’s license in good standing
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. 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 Range
$96,750 — $140,000 USD
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