Senior Environmental Scientist, Geologist, Engineer or Hydrogeologist
Langan Engineering & Environmental Services
Providing integrated engineering and environmental solutions for a variety of sectors.
Conduct site investigations, sampling, monitoring, and reporting for contaminated land projects.
5 days ago ago
Experienced (8-12 years)
Full Time
Philadelphia, PA
Field
Company Size
1,100 Employees
Service Specialisms
Engineering
Environmental Services
Geotechnical Engineering
Site/Civil Engineering
Land Development
Construction Management
Landscape Architecture
Sustainability Consulting
Sector Specialisms
Land Development
Corporate Real Estate
Energy Industry
Environmental Services
Renewable Energy
Brownfield Redevelopment
Air Quality
Industrial Hygiene
Role
Description
client interaction
remediation systems
field sampling
data logging
project monitoring
regulatory permits
Interact in a professional manner with client and subcontractor representatives in close collaboration with supervisor;
Operate and maintain in-situ and ex-situ remediation treatment systems;
Monitor complex construction projects by taking various tests to evaluate whether contractor or subcontractor has complied with job specifications;
Prepare a variety of standard logs and field forms (such as drilling logs, field investigation dailies, and chain of custody logs);
Supervise or coordinate the work of staff engineers, interns and others who assist in specific assignments as needed; and
Lead tasks associated with the preparation and modification of various engineering documents including reports, specifications, plans, cost estimates and designs for projects;
Review and interpret environmental, geological, and historical records to support environmental due diligence;
Assist with the planning and execution of field investigations by performing field tests, collecting samples, collecting and recording data, and performing routine calculations;
Perform and manage tasks within specific budgets and schedules. May track task and project budgets;
Collect soil, soil vapor, indoor and ambient air, sediment, surface water, and groundwater samples;
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;
Assist with acquisition of and compliance with regulatory agency permits to support site investigation and remediation;
Requirements
professional licensure
cercla
rcra
4+ years
groundwater design
bachelor's
Excellent written and verbal communication skills;
For engineers and geologist, possession of a valid Professional licensure or ability to obtain within one year. For environmental scientist, interest in the NJ LSRP program and potential future licensure;
In-depth knowledge and understanding of state and federal environmental regulations (including CERCLA and RCRA); Specific experience highly preferred for NJDEP and the LSRP program, and/or PADEP Act 2;
4+ years of related experience in contaminated sites investigation, engineering feasibility studies, remedial and mitigation system design and construction oversight;
Experience working with state regulatory agencies;
Availability to work overtime as needed; and
Experience performing small and large scale groundwater treatment system design, operation and maintenance, and optimization;
Strong attention to detail with excellent analytical, multitasking, and judgment capabilities;
Ability to effectively work independently and in a team environment;
Experience conducting Phase I, II and III environmental site assessment including drilling observation, sampling, well installation, construction/remediation oversight;
Bachelor’s degree in Environmental Science, Environmental Engineering, Geology or Hydrogeology;
Experience providing litigation support services for expert witness projects, or similar;
Possess reliable transportation for client meetings and job site visits and a valid driver’s license in good standing.
Benefits
Information not given or found
Training + Development
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Interview process
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Visa Sponsorship
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Security clearance
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Company
Overview
Founded with a vision to integrate engineering and environmental solutions, the company has grown into a trusted name in the industry.
With decades of expertise, it excels at delivering complex, multi-disciplinary projects that require precision and innovation.
The company's portfolio spans a variety of sectors, including industrial, commercial, residential, and infrastructure.
Known for its technical prowess in environmental engineering, geotechnical, and site-civil design, it often tackles challenging terrains.
It has earned a reputation for solving environmental challenges that others may shy away from, consistently delivering results that balance functionality with sustainability.
Projects range from large-scale infrastructure undertakings to specialized environmental remediation efforts, showcasing its ability to adapt to various project demands.
Whether it’s working on a skyscraper’s foundation, creating sustainable stormwater systems, or designing energy-efficient commercial spaces, the company has done it all.
Notably, its environmental division has become a go-to for complex environmental risk assessments and mitigation strategies in both urban and rural settings.
Through creative problem-solving and technical expertise, it continues to push boundaries in engineering and environmental design.
Culture + Values
Integrity, quality, and innovation are the foundation of our culture.
We value collaboration and teamwork to achieve the best results.
Commitment to client success and maintaining long-term relationships.
We encourage professional growth and leadership development at all levels.
Fostering a supportive, inclusive, and respectful work environment.
Environmental stewardship is central to our approach to every project.
Environment + Sustainability
Focus on implementing sustainable design, energy efficiency, and resilient infrastructure.
Offer services to help clients meet environmental and sustainability goals.
Conduct ongoing assessment and reduction of carbon footprint through improved processes and technology.
Inclusion & Diversity
supports diverse hiring and career advancement opportunities for all employees.
creates an inclusive environment that reflects diverse perspectives.
workforce statistics and programs to advance women and minorities in leadership roles.
focuses on mentorship and leadership training for underrepresented groups.
commits to increasing female representation in technical roles as part of gender balance initiatives.