Staff Engineer/Scientist - Environmental Permitting & Compliance
- Pay
- $68,250 – $93,000 per year
- Location
- Doylestown, PA · On-site
- Job type
- Full-time
- Level
- Senior
- Experience
- 2+ years
- Education
- Bachelor's degree
- Listed
- 31 days ago
Skills & highlights for this role
- 40-hour OSHA HAZWOPER
- NPDES permitting
- drinking water compliance
- groundwater withdrawal permitting
Also useful
- AERMOD
- ProMax
- air modeling software
Stated benefits & perks
- Medical
- Dental
- Vision
- 401k match
- Life insurance
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 a Staff Engineer/Scientist - Environmental Permitting & Compliance to join its collaborative team in any of the following locations: Doylestown, Philadelphia, Bethlehem, PA or our office location in Princeton, NJ.
This individual will serve a key function in supporting compliance projects anticipated to involve air permitting, industrial wastewater and stormwater permitting and planning, storage tank registrations, compliance evaluations, waste management, multi-media environmental compliance audits, development of spill prevention and contingency plans, greenhouse gas emission estimates and reporting, waste minimization planning and reporting, and technical report writing.
Job Responsibilities
- Manage and support multi-media environmental permitting and compliance programs across air, water, wastewater, stormwater, waste, spill prevention, storage tanks, and EPCRA requirements;
- Provide regulatory interpretation and strategy, permitting, and compliance support for a wide variety of clients;
- Prepare and submit environmental permit applications, compliance reports, emissions inventories, and technical documentation to support regulatory obligations and operational objectives;
- Conduct environmental compliance audits, inspections, gap assessments, and program reviews to evaluate regulatory compliance and identify improvement opportunities;
- Develop and support implementation and management of various monitoring and spill prevention and contingency plans/programs (SPCC, FRP, SPR, SWPPP, Hazardous Waste Contingency Plans, TOMP, Slug Control, etc.);
- Provide field support, site assessments, sampling, and technical assistance for ongoing client operations and environmental projects;
- Provide support for air projects, focusing on emissions calculations, permit preparation, NESHAP/NSPS compliance, annual reporting (Title V, GHG, etc.), emissions monitoring, stationary and mobile source air modeling, and other air quality related tasks;
- Provide regulatory strategy, permitting, and compliance support for water resources programs nationwide, including NPDES and general permits, drinking water compliance, surface water and groundwater withdrawal permitting, wastewater and pretreatment programs, and water reuse initiatives; and
- Perform other duties, fieldwork, sampling and special projects as assigned.
Qualifications
- BS degree in environmental science or engineering, or closely related field (Master's degree preferred);
- 2+ years of experience focused on regulatory compliance and environmental permitting; consulting experience preferred;
- 40-hour OSHA HAZWOPER certification;
- Working knowledge of MS Word, Excel and other related software (Air Modeling Software, AERMOD, ProMax, a plus);
- 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;
- Availability to work Monday through Friday with occasional evenings and weekends; and
- Possess reliable transportation for client meetings and job site visits and a valid driver's license in good standing.
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 $68,250—$93,000 USD
Equal opportunity and legal notices
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.
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 Staff Engineer/Scientist - Environmental Permitting & Compliance role at Langan Engineering & Environmental Services?
The Staff Engineer/Scientist - Environmental Permitting & Compliance posting at Langan Engineering & Environmental Services states compensation of $68,250 – $93,000 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 Staff Engineer/Scientist - Environmental Permitting & Compliance job at Langan Engineering & Environmental Services located?
This Staff Engineer/Scientist - Environmental Permitting & Compliance position at Langan Engineering & Environmental Services is located in Doylestown, PA (On-site). Always check Langan Engineering & Environmental Services's application page for specific state eligibility or relocation policies.
What qualifications are required for Staff Engineer/Scientist - Environmental Permitting & Compliance at Langan Engineering & Environmental Services?
For the Staff Engineer/Scientist - Environmental Permitting & Compliance role, Langan Engineering & Environmental Services highlights 2+ years of relevant experience; a bachelor's degree; experience with NPDES permitting, drinking water compliance, groundwater withdrawal permitting. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.
How do I apply for the Staff Engineer/Scientist - Environmental Permitting & Compliance 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.