Senior Staff Environmental Engineer, Scientist or Geologist
- Salary
- $76,000 - $110,000
- Level
- Staff
Not stated in the posting: work type, visa.
Open. First seen 15 October 2026.
About the role
Langan Engineering & Environmental Services's standard text
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 Senior Staff Environmental Engineer, Scientist or Geologist to join its collaborative team in Parsippany, NJ or New York, New York. This individual will serve a key function in providing site exploration activities, including soil borings and monitoring well installations; conducting field tests; collecting field data and samples; monitoring construction sites; and compiling data and preparing reports. In this role, you will have the opportunity to work on diverse projects, solve problems and overcome challenges in restoring the environment and returning blighted properties to productive re-use while protecting and enhancing the environment.
The position encourages learning, growth, creativity, flexibility, and collaboration in a team environment.
Job Responsibilities
- Assist with the planning and execution of field investigations by performing field tests, collecting samples, collecting and recording data, and performing routine calculations;
- Monitor complex construction projects by taking various tests to evaluate whether contractor or subcontractor has complied with job specifications;
- Collect soil, soil vapor, indoor and ambient air, sediment, surface water, and groundwater samples;
- Operate and maintain groundwater and soil vapor treatment systems;
- Assist with acquisition of and compliance with regulatory agency permits to support site investigation and remediation;
- Review and interpret environmental, geological, and historical records to support environmental due diligence;
- Prepare a variety of standard logs and field forms (such as drilling logs, field investigation dailies, and chain of custody logs);
- Identify and implement solutions to both routine and more complex field problems and document them accurately, keeping project manager informed or problems encountered during work assignments;
- Lead tasks associated with the preparation and modification of various engineering documents including reports, specifications, plans, cost estimates and designs for projects;
- Perform and manage tasks within specific budgets and schedules. May track task and project budgets;
- Interact in a professional manner with client and subcontractor representatives in close collaboration with supervisor;
- Supervise or coordinate the work of staff engineers, interns and others who assist in specific assignments as needed; and
- Perform other duties as requested.
Qualifications
- Bachelor’s degree in Environmental Science, Environmental Engineering, Geology or Hydrogeology;
- 4+ years of related experience in contaminated sites investigation, engineering feasibility studies, remedial and mitigation system design and construction oversight;
- For engineers, possession of a valid Professional licensure or ability to obtain within one year;
- Experience conducting Phase I, II and III environmental site assessment including drilling observation, sampling, well installation, construction/remediation oversight;
- Experience performing small and large scale groundwater treatment system design, operation and maintenance, and optimization;
- Experience providing litigation support services for expert witness projects, or similar;
- In-depth knowledge and understanding of state and federal environmental regulations (including CERCLA and RCRA);
- Experience working with state regulatory agencies;
- 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 overtime as needed; 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 Engineering & Environmental Services's standard text
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.
Langan Engineering & Environmental Services's standard text
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
Langan Engineering & Environmental Services's standard text
$76,000—$110,000 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
What this role asks for
68% of this description is written for the role. The rest is Langan Engineering & Environmental Services's standard text, folded away below.
Read against Langan Engineering & Environmental Services's other open postings on this site.
The team: Environmental HIRES STEADILY
This role is one of 66 open in Environmental. 10 were posted in the last 30 days and the oldest in June: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Excel (4 of 66), Git (4 of 66)
OTHER ROLES ON THIS TEAM
- Entry-Level Environmental Permitting & Compliance Engineer or Scientist posted Oct 16
- Senior Staff Environmental Engineer, Scientist, or Geologist posted Oct 12
- Project Environmental Engineer posted Oct 8
- Entry-Level Environmental Engineer, Scientist or Geologist posted Oct 6
- Senior Project Engineer/Manager – Mission Critical Water and Wastewater posted Oct 6
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- Entry-Level Environmental Engineer or Geologist posted Sep 30
- Entry-Level Environmental Engineer or Geologist posted Sep 28
- Environmental Engineer, Scientist, or Geologist - Entry Level posted Sep 18
- Intern/Co-op - Environmental Engineer (Summer 2027) posted Sep 16
- Intern/Co-op - Environmental Engineering (Summer 2027) posted Sep 16
- Entry-Level Environmental Engineer, Scientist or Geologist posted Sep 15
- Entry-Level Environmental Engineer or Geologist posted Sep 15
- Entry-Level Environmental Engineer or Geologist posted Sep 15
- Entry-Level Environmental Engineer, Scientist or Geologist posted Sep 10
- Senior Staff Engineer posted Sep 3
- Staff Environmental Engineer, Scientist, or Geologist posted Sep 3
- Senior Staff Engineer, Scientist, or Geologist posted Sep 3
- Senior Project Environmental Engineer, Scientist, or Geologist posted Sep 3
- Senior Environmental Project Manager – Power Generation & Transmission posted Aug 21
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- Senior Staff Environmental Engineer, Scientist or Geologist posted Aug 6
- Staff Environmental Engineer, Scientist, or Geologist posted Jul 23
- Senior Environmental Project Manager – Power Generation & Transmission posted Jul 23
- Environmental Permitting and Compliance Engineer or Scientist posted Jul 23
- Senior Project Manager- Environmental posted Jul 16
- Senior Staff Environmental Engineer, Scientist, or Geologist posted Jul 13
- Project Environmental Engineer, Scientist, Geologist / Project Manager posted Jul 9
- Senior Project Manager - Environmental Planning posted Jul 6
- Project Manager - Environmental posted Jul 2
- Entry-Level Environmental Engineer, Scientist or Geologist posted Jul 2
- Entry-Level Environmental Engineer posted Jul 2
- Project Environmental Permitting & Compliance Engineer or Scientist / Project Manager posted Jul 1
- Senior Staff Environmental Engineer, Scientist, Geologist, or Hydrogeologist posted Jul 1
- Senior Project Manager - Environmental posted Jul 1
- Senior Project Manager - Environmental posted Jul 1
- Senior Project Manager - Environmental posted Jul 1
- Senior Project Manager - Environmental posted Jul 1
- Senior Project Manager - Environmental posted Jul 1
- Project Environmental Permitting & Compliance Engineer or Scientist / Project Manager posted Jul 1
- Project Environmental Permitting & Compliance Engineer or Scientist / Project Manager posted Jul 1
- Environmental Project Manager posted Jul 1
- Project Engineer/Manager - Environmental Permitting & Compliance posted Jul 1
- Project Environmental Permitting & Compliance Engineer or Scientist / Project Manager posted Jul 1
- Project Environmental Permitting & Compliance Engineer or Scientist / Project Manager posted Jul 1
- Project Environmental Permitting & Compliance Engineer or Scientist / Project Manager posted Jul 1
- Project Scientist/Engineer – Air Quality posted Jul 1
- Industrial Health & Safety Project Manager posted Jul 1
- Senior Project Manager - Environmental posted Jul 1
- Senior Staff Environmental Engineer, Scientist or Geologist - Environmental posted Jul 1
- Senior Staff Environmental Engineer, Scientist or Geologist posted Jul 1
- Senior Project Manager - Environmental posted Jul 1
- Senior Project Manager - Environmental posted Jul 1
- Project Environmental Scientist, Geologist, Engineer or Hydrogeologist posted Jul 1
- Project Environmental Engineer, Scientist, Geologist / Project Manager posted Jul 1
- Project Environmental Engineer, Scientist, Geologist / Project Manager posted Jul 1
- Project Environmental Engineer, Scientist, Geologist / Project Manager posted Jul 1
- Project Environmental Engineer / Project Manager posted Jul 1
- Project Environmental Engineer posted Jul 1
- Senior Environmental Engineer posted Jul 1
- Entry-Level Environmental Engineer, Scientist, or Geologist posted Jul 1
- Practice Leader - Civil Engineering posted Jul 1
- Senior Project Manager - Environmental posted Jun 22
- Project Environmental Engineer, Scientist, Geologist / Project Manager posted Jun 22
From the team and dates on Langan Engineering & Environmental Services's own job board.
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