Environmental Engineering or Science Intern Job
Job Description Job Attributes+
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Job ID
4396
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Job Location
1900 L Street NW, Suite 975
Washington, DC 20036, US -
Job Category
Co-Op/Intern
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Job Type
Intern
Overview
Do you want to build an impactful career to change the world for the better?
Geosyntec has an exciting opportunity for an Environmental Engineering or Science Intern in our Washington, D.C office, you will have the opportunity to apply your engineering (civil, geotechnical, environmental, and water resources) academic knowledge to real-world situations while also learning the business skills needed for a successful consulting career. We are seeking a full-time (40 hours/week) intern for approximately 13 to 15 weeks during the summer of 2026. Preferred candidates would have the ability to return to the position for up to two additional semester rotations during their undergraduate or graduate studies. Candidates are responsible for coordinating their own transportation to and from the office.
Geosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure. Our engineers, scientists, technical and project employees serve our clients from offices across the world. Ranked by ENR as one of the top environmental engineering design firms, Geosyntec is internationally known for its technical leadership, broad experience, and exceptional client service.
We invest in our people. Each employee is unique, and your career at Geosyntec will be too. We offer competitive pay and benefits, and well-being programs to support you and your family.
To Learn More Visit: http://www.geosyntec.com/careers/.
Essential Duties and Responsibilities
- Researching, collecting, organizing, and summarizing environmental and historical documents;
- Technical writing of reports, letters, memoranda, plans, specifications, and proposals;
- Data input and analysis, including preparing maps, tables, and figures;
- Follow instructions and interact with engineers, scientists, geologists, office administrative staff, contractors, and construction personnel;
- Assist with environmental due diligence (Phase I/II ESAs); and
- Potential for fieldwork such as site visits, soil and groundwater sampling, stormwater inspections, in-person historical research at Washington, D.C. area repositories, and drilling and contractor oversight.
Education and Licensure
- Currently registered in a Bachelor’s or Master’s university degree program in a relevant science or engineering discipline. (required)
- Degree focus area in civil, environmental engineering, geology or environmental science, or related field. (required)
- Upper division (e.g. junior, senior) or Master’s enrollment. (preferred)
Skills, Experience and Qualifications
- Experience with Microsoft Office. (preferred)
- Outstanding academic credentials and exceptional interpersonal, technical writing, and problem-solving skills. (preferred)
- Local candidates preferred for the potential ability to return for additional internships no relocation provided. (preferred)
This opportunity will be posted for at least five days. Below are the potential compensation ranges that we in good faith believe are applicable for this role at the time of this posting and are only applicable for jobs to be performed in the specified location(s) below. The typical base salary range for this position is just one component of Geosyntec’s total compensation package for employees. Actual compensation will be determined based on education, experience, skill set and location.
- Minimum: $22.98/hour / Maximum: $32.18/hour (Washington, D.C)
We offer a comprehensive benefits package including, paid holidays, vacation, sick, and personal paid time off, medical, dental, vision, life, and disability insurance, 401(k), and other benefits to eligible employees.
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Additional Information
Who We Are
Change the world with us
At Geosyntec, our work is designed to make a measurable difference. We deliver innovative solutions that improve the environment while advancing human and ecological health and supporting sustainable social and economic outcomes - work with purpose, impact, and lasting value.
Geosyntec is an innovative consulting and engineering firm that partners with public and private sector clients to solve complex challenges involving the environment, natural resources, and civil infrastructure. We are recognized for technical leadership, multidisciplinary collaboration, and practical problem solving - bringing engineers, scientists, and technical professionals together to deliver solutions that matter.
Our teams support a broad portfolio of projects, including environmental remediation, water resources, waste management, and civil and geotechnical engineering. The work we do calls for thoughtful analysis, adaptability, creativity, and strong technical judgment—offering opportunities to contribute to projects that protect communities, strengthen infrastructure, and safeguard natural systems.
Whether you are building your professional foundation or bringing deep expertise, Geosyntec supports continuous growth. You’ll have opportunities to apply your skills in new settings, expand your capabilities, strengthen your practice, and take on meaningful challenges that accelerate your development.
A Collaborative, Practitioner Led Culture
Collaboration is central to how we work. Our teams bring together diverse technical backgrounds and experiences to solve problems from multiple perspectives—creating an environment where people rely on one another, share knowledge, and deliver strong outcomes for clients. We invest in our people through mentoring, professional development, and opportunities to contribute beyond a single role or assignment.
Learn. Develop. Grow.
There is no single career path at Geosyntec. We support flexible, meaningful career development so professionals can pursue areas they are passionate about, build on prior experience, and continue growing - even as circumstances evolve.
Explore Opportunities
Ready to make an impact? Explore open positions and find a role that fits your skills and interests. If you don’t see the right opportunity today, join our Talent Network to stay connected.