Environmental Intern / Co-op - Summer 2026

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 40+ 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 an Environmental Intern / Co-op to join its collaborative team in Philadelphia, PA. This individual will serve a key function in providing assistance with environmental-related technical aspects of diverse land development projects, both small and large scale. In this role, you will have the opportunity to partner directly with environmental leadership and gain exposure to site feasibility studies which may involve field work, technical report preparation and calculations, pre-construction conditions documentation, design plans and specifications.

Job Responsibilities

Assist with the planning and execution of field investigations by logging borings, collecting samples, performing field tests and collecting and recording data;

Monitor construction projects by taking various tests to evaluate whether the contractor or subcontractor has complied with job specifications;

Identify solutions to field and / or laboratory problems and accurately document results;

Prepare reports documenting field investigations and analytical results;

Prepare a variety of standard logs and field forms (such as drilling logs, field investigation dailies, and chain of custody logs);

Learn data management and modeling tools for environmental media, how to perform engineering analyses, and how to properly use field equipment;

Conduct; file reviews, site reconnaissance, and prepares reports;

Prepare laboratory data summary tables and figures;

Effectively use reports, maps, drawings, engineering plans, tests, and aerial photographs to assess soil composition, terrain, hydrological characteristics, and topographical and geologic data and their impact on the planning and design of projects; and

Perform other duties as requested.

Qualifications

Student actively pursuing a four year or advanced degree in Environmental Engineering, Environmental Science, or Geology;

Cumulative GPA of 3.0 or greater;

Strong attention to detail with excellent analytical and judgment capabilities;

Ability to effectively work independently and in a team environment;

Working knowledge of GIS or environmentally related software, and Microsoft Office Suite applications;

Possess reliable transportation to access job sites and a valid driver’s license in good standing;

Excellent written and verbal communication skills;

Strong attention to detail with excellent analytical, multitasking, and judgment capabilities; and

Ability to effectively work independently and in a team environment.

Please submit your resume, cover letter, and unofficial academic transcripts.

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 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.