Transportation Engineer Intern Jobs in Reston, VA

Job Description
This is a one-year, full-time, paid Internship Program.
IMPORTANT NOTICE: Arlington County requires all applicants to thoroughly complete each section of the application, including prior job responsibilities, duties, and supplemental questions. While you may attach a resume, it will not replace a completed application. Incomplete applications will not be considered.
The Transportation, Engineering & Operations (TE&O) Bureau within the Department of Environmental Services (DES) is seeking a motivated Transportation Data & Operations Intern to support transportation operations and safety initiatives that keep Arlington moving. This internship offers hands-on experience supporting day-to-day operational efforts, data-informed decision-making, and process improvements related to transportation systems, traffic safety, and field operations. Working under the mentorship of experienced professionals, the intern will assist with operational coordination, data collection and organization, analysis support, and special projects that contribute to safer, more efficient transportation infrastructure across the County.
Responsibilities
Major Job Duties:

• Supporting transportation operations and safety initiatives through project-based and time-bound assignments that address operational needs and departmental priorities;
• Assisting with data collection, organization, and basic analysis related to transportation operations, traffic safety, and field activities;
• Supporting operational coordination efforts, including tracking activities, compiling information, and assisting with workflow improvement initiatives;
• Assisting with documenting procedures, processes, and operational practices to support consistency and knowledge sharing across teams;
• Providing support for field-related activities, including coordinating logistics, organizing field data, and assisting with operational reviews;
• Assisting staff with preparing summaries, reports, presentations, and other materials related to operational performance, safety initiatives, and project updates;
• Collaborating with staff across Transportation Engineering and Operations (TE&O) and other DES teams to support cross-functional operational projects; and
• Performing other duties as assigned to support TE&O operations and departmental priorities.

The ideal candidate will have strong organizational and analytical skills, an interest in transportation operations or public infrastructure, and the ability to manage tasks across multiple projects. Experience or coursework involving data analysis, operations, engineering, planning, or public sector work is preferred.
Location: 2100 Clarendon Blvd. Arlington, VA 22201 (Bozman Government Center)
Arlington County
Arlington County is an innovative local government in Northern Virginia seeking motivated candidates for one-year internship opportunities across multiple departments. These roles are ideal for recent graduates and current graduate students with limited professional experience who are looking to kickstart their careers.
Interns gain hands-on experience supporting key County initiatives while participating in a structured cohort-based development program. Throughout the year, interns work under the mentorship of senior staff, contributing fresh ideas, improving processes, and leveraging technology to enhance organizational effectiveness, all while familiarizing themselves with a public-sector environment.
Qualifications
Minimum Qualifications: Recent, 2025 and/or 2026 college graduates earning either a Bachelor's or a Master's degree* in the area of consideration prior to the start date of the Cohort Program (Sept. 2026) must have:

• No professional-level work experience (less than one year) in the internship field; and
• You may be a currently enrolled student in a Master's degree program related to the internship, but you must not have significant professional-level work experience in the internship area and must be available to work during designated hours.

Degree Requirements: Computer Science, Data Science, Geography, Urban Planning, Environmental Planning, Civil Engineering, or related discipline.
Desirable Qualifications: Preference may be given to applicants with one or more of the following:

• G.P.A. of 3.0 or above is preferred and applicants may be asked to provide certified official transcripts;
• Coursework or experience in transportation engineering, civil engineering, urban planning, public administration, operations, or a related field;
• Experience supporting operational, field-based, or infrastructure-related projects;
• Experience with data collection, organization, or basic analysis, including use of spreadsheets or databases; and/or
• Ability to prepare clear summaries, reports, or presentation materials for operational or project updates.

Special Requirements
Background Check: A pre-employment criminal records check will be conducted. It will include checks of the following: criminal record, driving record, education, professional licensure, and credit history. You will be required to sign a release authorizing the County to obtain your background information.
Driver's License: Applicant must possess, or obtain by time of appointment, a valid driver's license, and must provide or authorize Arlington County to obtain a copy of official driving record. Any offer of employment may be contingent upon favorable review of the applicant's driving record.
Letter of Interest: A complete application includes a letter of interest. Please attach your letter to this application detailing your background and experience and how they have prepared you for this position.
Resume Requirement: A complete application includes a resume. Please attach your resume to the application and verify that the details of your application provide further evidence of your experience and qualifications as displayed on your resume.
Please complete each section of the application including the supplemental questions. Your responses to the supplemental questions are required because they provide us with specific information necessary to evaluate your qualifications for this position. These responses are considered part of the selection process. A resume may be attached; however, it will not substitute for a completed application. Incomplete applications will not be considered. Please do not write "see resume" as a response to the questions.
Additional Information
Work hours: This is a full-time position (40 hrs/week) Monday - Friday, 8:00 a.m. to 5:00 p.m., with some flexibility and telework opportunities available upon prior approval from the supervisor. This is not a fully remote opportunity. Employees will be expected to be in the office at the discretion of the Supervisor and needs of the agency as well as to attend in-person classroom training.
Applicants may be asked to provide certified official transcripts.
Starting salary is commensurate with the qualifications and experience of the candidate selected. The pay range listed above is effective July 1, 2026.
All Cohort Interns are eligible for County government employee benefits that include health, dental and leave.
Arlington County is committed to advancing diversity, equity, access, and inclusion across all our services, activities, and programs. Learn more about our commitment.
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