Traffic Signals Intern

Class Summary

This is a part-time position with a maximum of 1,508 hours per year and is not eligible for paid holidays, leave, or benefits.

As a Traffic Engineering Intern with Gwinnett County’s Department of Transportation the incumbent assists with performing engineering analysis and evaluation of traffic signals, Advanced Traffic Management Systems (ATMS) infrastructure, and other traffic control devices. Responsibilities include supporting traffic signal and ATMS upgrades, timing optimization projects, and section administration and maintenance activities such as signal design drawings, equipment inventory, GIS mapping, and development impact reviews.

The intern also contributes to in-house analysis and evaluation studies by analyzing transportation needs, preparing technical reports, and reviewing study findings. Additional duties include evaluating results, identifying cost-effective repair solutions, and providing technical support to address a variety of operational challenges.

• Assisting with responding to citizen service requests by conducting field investigations, reviewing existing documentation, and recommending appropriate solutions
• Assisting with collecting field data to document existing roadway conditions and infrastructure assets in support of plan review and GIS modifications
• Assisting with maintaining and updating GIS databases using field data, engineering plans, and related documentation
• Assisting with reviewing development and construction plans to identify potential impacts, conflicts, and required relocation of ATMS infrastructure
• Assisting with consolidating and organizing existing spreadsheets to improve data clarity, accuracy, and overall usability
• Assisting with Traffic Control Center (TCC) operations, including system monitoring, tracking incoming calls, and coordinating response activities
• Becoming familiar with engineering standards, including the Manual on Uniform Traffic Control Devices (MUTCD) and the AASHTO Green Book
• Assisting with performing field measurements in accordance with established engineering standards and best practices
• Assisting Traffic Signal Engineers with signalized corridor retiming and timing optimization projects
• Becoming familiar with traffic analysis software, including Synchro, ATSPM, and AASHTOWare Safety
• Assisting Signal Technicians with identifying maintenance issues and coordinating field investigations as needed

• Communicating and engaging with staff, citizens, leadership, and elected officials as needed.

• High School Diploma or G.E.D. AND
• One academic year of college majoring in engineering, construction, or related fields
• Be in good academic standing (e.g., not on academic probation)

Gwinnett County is an Equal Opportunity Employer. Reasonable accommodations for qualified individuals with disabilities may be requested. If you need an accommodation during the application, interview, or testing process, contact Human Resources at  or HREmploye This email is only for accommodation requests; for questions related to job postings, use