Project Environmental Permitting & Compliance Engineer / Scientist


Seattle, WA, US, 98101

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 30+ 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 embraces and promotes diversity, equity and inclusion; 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 Environmental Permitting and Compliance Engineer or Scientist to join its collaborative team in Seattle. This individual will serve a key function in industrial wastewater and stormwater permitting, storage tank compliance evaluations, regulatory air support, waste management, multi-media environmental compliance audits, development of monitoring and spill prevention and contingency plans and report writing. In this role, you will have the opportunity to assist with business development, manage projects, guide and review the work of staff, prepare permits and plans and regulatory document, and interact with clients and senior management.

Job Responsibilities

  • Manage project timelines, budgets, invoicing, and proposal preparation;
  • Interface with clients and project subcontractors;
  • Interface with city, state and federal regulators necessary to support project needs;
  • Prepare permits and compliance programs for multiple environmental media, including wastewater, stormwater, waste, spill prevention and storage tanks, EPCRA (Tier II, TRI);
  • Perform multi-media environmental compliance audits, gap assessments, inspections, and program reviews;
  • Develop and support implementation and management of various monitoring and spill prevention and contingency plans/programs (SPCC, FRP, SWPPP, Hazardous Waste Contingency Plans, Slug Control, etc.);
  • Prepare technical documents including reports, plans/programs, permit applications, and other written deliverables;
  • Conduct field support at client sites including routine site inspections, collection of samples, and on-call support;
  • Conduct business development and identify new opportunities and clients; and
  • Perform other duties as requested.



  • Bachelor's degree in Environmental or Chemical Engineering or Science. Master’s degree preferred;
  • 6+ years of experience working with regulations and environmental permitting;
  • 3+ years of experience managing projects;
  • Strong stormwater compliance management background, with specific experience with Washington, Oregon, and California general permits;
  • Professional certification preferred;
  • 40-hour OSHA HAZWOPER certification;
  • Willingness and ability to identify new client 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 an affirmative action / equal opportunity employer committed to building a team that represents and values diverse backgrounds. Langan promotes a positive work environment of inclusion, where we respect each other’s differences and recognize that a diverse, equitable and inclusive environment is a key to our success.


Base Salary Range: $87,000 - $112,000. Actual compensation may vary based on factors such as related work experience, market conditions, education/training, certifications and other credentials, as well as applicable knowledge and skills.  

This position is also eligible to participate 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. Actual paid vacation time may vary based on factors such as related work experience and level.

Nearest Major Market: Seattle