Senior Project Engineer


Philadelphia, PA, US, 19103-3638

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 Senior Environmental Manager to join its collaborative team in our Philadelphia, PA office.  We are looking for a dynamic leader to serve a key function in developing business, managing environmental projects, preparing technical proposals and reports, and supervising field investigations and laboratory analyses. This Langan team supports large industrial clients, redevelopers, and legal teams throughout the United States. In this role, you will have the opportunity to work with a diverse team of top-notch professionals in a variety of geographic areas and regulatory programs and to collaborate and learn from our multi-disciplinary team of site civil, geotechnical, survey, and landscape architect professionals on landmark land development projects. We support lifelong learning, career progression and engagement in outside professional organizations.

Job Responsibilities

  • Manages environmental projects. Accurately interprets findings, confirming that data collections and lab analyses are completed correctly, timely and on budget;
  • Develops repeat business from existing clients through delivering excellent client services, and develops new business through industry and network connections;
  • Supervises and is responsible for performance management aspects of staff, including conducting performance review meetings, providing performance feedback and recommendations for improvement and mentoring for professional growth
  • Strong focus on investigation and remediation of PFAS and other contaminants of emerging concern:
  • Strong focus on technical excellence and client service;
  • Leads the preparation and modification of reports, specifications, plans, and designs for projects.  Implements sound professional judgement;
  • Performs complex analyses for specific portions of broader engineering projects. Has technical knowledge necessary to perform complex analyses;
  • Performs and manages multiple projects and tasks within specific budgets, schedules, and deadlines. Monitors budgets, schedules, and project timelines. Minimizes write-offs by keeping projects on budget;
  • Applies standard practices and techniques to unusual situations or to devise new approaches to problems. Recognizes inconsistent or inappropriate results and knows when to consult with others regarding problem resolution or taking appropriate action; and
  • Performs other duties as requested.


  • Bachelor's degree in Geology, Environmental Engineering or related discipline, Master's degree preferred;
  • Ideally will possess 15+ years of remediation experience in remedial engineering technology selection and evaluation, pilot testing, remedial system design, environmental permitting, and feasibility studies/evaluation, site characterization and investigations;
  • Desire and ability to seek out new business opportunities and develop additional clients while maintaining project workload;
  • Licensed Site Remediation Professional, Professional Engineer or Professional Geologist licensure;
  • Strong technical background and in-depth knowledge and understanding of PADEP, NJDEP, RCRA, MGP, PFAS, and superfund regulations;
  • Ability to communicate effectively with clients, staff, contractors, regulators and managers;
  • Strong attention to detail with excellent analytical, judgment and problem-solving capabilities;
  • Excellent verbal and written communication skills as well as organization and multi-tasking skills;
  • Working knowledge of MS Word, Excel, and related environmental software; AutoCAD and/or GIS a plus; and
  • Position requires work Monday through Friday with occasional evenings and weekends.

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.