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 Project Environmental Engineer, Scientist, Geologist / Project Manager to join its collaborative team in Philadelphia, PA. This individual will serve a key function in managing environmental investigation and remediation projects, with an emphasis on New Jersey regulatory matters under the New Jersey Department of Environmental Protection (NJDEP) Contaminated Site Remediation and Redevelopment Program and the Licensed Site Remediation Professional (LSRP) framework. The role will also support Pennsylvania projects conducted under the Pennsylvania Department of Environmental Protection (PADEP) Land Recycling and Environmental Remediation Standards Act (Act 2) program, and other state and federal regulatory frameworks.
This individual will deliver technically excellent services, develop practical and defensible strategies for complex sites, prepare technical proposals and reports, supervise field investigations, manage staff, and interact with clients, regulators, contractors, and multidisciplinary project teams. In this role, the successful candidate will have the opportunity to further develop project and staff management skills, contribute to business development, and work on challenging small- and large-scale projects throughout New Jersey, Pennsylvania, and the Greater Philadelphia region.
Job Responsibilities
Manage environmental investigation and remediation projects, with responsibility for scope, schedule, budget, technical quality, risk, and client service;
Navigate and apply NJDEP regulations, technical requirements, guidance, forms, and review processes within the Contaminated Site Remediation and Redevelopment Program and broader LSRP framework;
Support Pennsylvania investigation, cleanup, and redevelopment projects under PADEP Act 2, including development of appropriate attainment strategies, application of statewide health, site-specific, and background standards, and preparation or review of notices of intent to remediate, remedial investigation reports, cleanup plans, final reports, and related regulatory submittals;
Develop technically sound, practical, and defensible strategies for complex contaminated sites, including projects with atypical conditions, multiple areas of concern, sensitive receptors, redevelopment constraints, commingled impacts, or evolving regulatory requirements;
Plan, direct, and interpret site characterization, remedial investigation, feasibility evaluation, remedial design, remedial action, and post-remediation monitoring activities;
Perform complex analyses for specific portions of broader engineering and environmental projects, including data interpretation, conceptual site model development, fate and transport evaluation, and remedial alternative assessment;
Supervise field activities and ensure correct interpretations…