Project Scientist is open at Langan Engineering & Environmental Services in Philadelphia, PA. The posting gives a salary of $90K - $133K. Posted on Jul 1, 2026, and still on Langan Engineering & Environmental Services’s careers page when we last checked, on Nov 14, 2026.
About the role
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…
The opening lines of the posting. The rest is on Langan Engineering & Environmental Services’s careers page.
Hiring at Langan Engineering & Environmental Services
Langan Engineering & Environmental Services has 586 open roles right now. Most are in Engineering, Operations and Manufacturing & Trades. The median advertised salary across its roles with a published range is $118K. See all its roles
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