About the role#
STV is looking for an intern to join our Traffic Engineering team for the Summer 2027 term. This role provides an opportunity for undergraduate and graduate students to work with our staff on transportation planning and design projects. This is a paid, full-time position that requires a hybrid schedule with at least three days per week in the office.
What you'll do#
- Assist with traffic engineering studies, transportation planning, and traffic design projects.
- Run traffic simulations and operational analyses using VISSIM, Synchro/SimTraffic, and HCS.
- Prepare and review traffic impact studies, technical reports, and analysis documentation.
- Support transportation safety analyses for vehicles, pedestrians, and bicyclists.
- Assist with traffic signal operations, signal coordination, and pedestrian and bicycle facility analysis.
- Develop design concepts and create roadway signing, pavement marking, and maintenance of traffic plans using MicroStation or AutoCAD.
- Provide traffic engineering input for environmental studies, roadway design, and Design Approval Documents.
- Coordinate with project team members and assist with communication involving local agencies and state Departments of Transportation.
- Help with data collection, analysis, and the preparation of technical proposals.
- Participate in public information meetings and other project-related activities.
What you'll need#
- Current enrollment in a bachelor's or master's degree program in Civil Engineering or a related field at an ABET-accredited university or NCEES equivalent.
- Exposure to MicroStation and AutoCAD drafting software.
- Familiarity with traffic operations, transportation planning, and traffic engineering principles.
- Experience with Department of Transportation projects.
- Exposure to HCS traffic operational analysis software.
- Knowledge of traffic signal design, traffic safety analysis, and roadway design elements.
- Experience with transportation data analysis, crash data analysis, or pedestrian and bicycle safety studies.
Location & details#
- Location: Fairfax, Virginia.
- This position is not eligible for visa sponsorship.
About STV
STV provides professional services for infrastructure projects. The firm specializes in transportation systems, building design, and water systems. It serves both public and private sector clients across the United States. Based in New York, the company employs over 4,000 people.
How to get in at STV
Applying early for an internship at STV is a significant advantage because recruiters review applications as they arrive. Intern Insider sends an instant alert the moment a role matching your target is published anywhere, so you apply among the first and get seen before the pile grows. Reaching out to the right person can also change your outcome. Intern Insider surfaces the recruiters behind the company's roles so you can reach out directly to ask about the position or a referral, which materially improves response rates.



