Skip to main content
Langan Engineering and Environmental Services, LLC logo

Staff Engineer/Scientist – Environmental Permitting & Compliance

Langan Engineering and Environmental Services, LLC

Bethlehem, PAFull-time$68–93K/yrPosted 1mo agoStill listed today

Most applications go out cold — see where you stand first. No sign-up to start.

You apply on the employer's site, with no Olive account needed.

Watch jobs like this.

Don't just apply. Show up ready.

Olive works from this exact posting.

At a glance

Compensation
$68–93K/yr
Location
Bethlehem, PA
Schedule
Full-time
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

40-Hour OSHA HAZWOPER Certification, requiredBachelor's degree, requiredValid Driver's License, required

Job overview

Langan is seeking a Staff Engineer/Scientist to support environmental permitting and compliance projects in Pennsylvania or New Jersey. The role covers air, water, wastewater, stormwater, waste, and storage tank programs, along with regulatory strategy, audits, field support, and technical reporting. Candidates need a relevant bachelor’s degree, at least two years of focused experience, OSHA HAZWOPER certification, and a valid driver’s license.

Skills & qualifications

RequiredNice to have

Skills

Environmental Permitting, requiredEnvironmental Compliance, requiredRegulatory Interpretation, requiredAir Modeling, nice to haveMicrosoft Word, requiredMicrosoft Excel, requiredWritten Communication, requiredVerbal Communication, requiredAttention to Detail, requiredAnalytical Skills, requiredMultitasking, requiredJudgment, requiredIndependent Work, requiredTeamwork, required

Qualifications

Bachelor's in Environmental Science or Engineering, requiredMaster's Degree, nice to have2+ Years Environmental Compliance and Permitting Experience, required40-Hour OSHA HAZWOPER Certification, requiredValid Driver's License, requiredReliable Transportation, required

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
401(k) Match
Paid Time Off
Parental Leave
Tuition Assistance

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 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.

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 $68,250—$93,000 USD

Please review our Applicant Privacy Notice at Collection to understand how we collect, use, and retain your personal information: https://www.langan.com/langan-notice-at-collection

How this job compares

Set against the 1,630 open Environmental Engineer jobs on Olive Jobs, counted November 10, 2026.

Pay
  • This posting$68–93K/yr
  • Pennsylvania median$91–139K/yr42 salary ranges
  • US median$91–160K/yr1,136 salary ranges

This range's midpoint, $81K, is 29% below the Pennsylvania median midpoint ($114K) — in the lowest quarter of Environmental Engineer salary ranges in Pennsylvania.

Openings
Olive Jobs lists 79 open Environmental Engineer jobs in Pennsylvania and 1,630 across the US. 2% of them nationwide are listed as remote or flexible.
Hiring the most in Pennsylvania
Experience
This posting asks for at least 2 years of experience — less than three in four Environmental Engineer postings that state a minimum ask for (median 7 years, across 1,408 postings).
Education
This posting asks for a bachelor's degree; 1,018 of the 1,630 open Environmental Engineer jobs (62%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 10, 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.

Prepare for this role

You've read the whole posting — now see how you match it.