
Project Scientist/Engineer Air Quality
Langan Engineering and Environmental Services, LLC
NEW YORK, NYJobSeen 1w agoSeen in employer's feed 5 days ago
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Job overview
Langan seeks a Project Scientist/Engineer - Air Quality to lead and execute air quality projects for clients across the United States. The role focuses on air permitting, compliance, emissions calculations, and dispersion modeling, with work spanning project due diligence through ongoing operational compliance. The specialist will manage project tasks and budgets, oversee junior staff, communicate technical work to clients and agencies, and collaborate with multidisciplinary teams.
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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 a Project Scientist/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, Environmental Science, or closely related field. Master's degree preferred; 6+ years of experience working with multimedia environmental permitting and compliance projects in a consulting environment; Air quality permitting and compliance experience within the New Jersey, New York, and New England area a plus; Familiarity with air dispersion modeling in support of CEQR environmental studies a plus; PE or on track to obtain (FE/EIT) or othe
How this job compares
Set against the 456 open Environmental Consultant jobs on Olive Jobs, counted November 4, 2026.
- Pay
- This postingNot listed
- US median$104–150K/yr275 salary ranges
- US median$37–43/hr26 hourly ranges
- Openings
- Olive Jobs lists 26 open Environmental Consultant jobs in New York and 456 across the US. 12% of them nationwide are listed as remote or flexible.
- Hiring the most in New York
- Ramboll Americas Engineering Solutions, Inc.12 open
- Actalent2 open
- GHD Inc.2 open
- Experience
- This posting asks for at least 6 years of experience; Environmental Consultant postings that state a minimum ask for 7 years at the median (414 postings).
- Education
- This posting asks for a bachelor's degree; 276 of the 456 open Environmental Consultant jobs (61%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 4, 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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