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Traffic Signals Intern
Lawrenceville, GAApril 5th, 2026
Class SummaryThis is a part-time position with a maximum of 1,508 hours per year and is not eligible for paid holidays, leave, or benefits.Job DescriptionAs 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.Essential DutiesAssisting with responding to citizen service requests by conducting field investigations, reviewing existing documentation, and recommending appropriate solutionsAssisting with collecting field data to document existing roadway conditions and infrastructure assets in support of plan review and GIS modificationsAssisting with maintaining and updating GIS databases using field data, engineering plans, and related documentationAssisting with reviewing development and construction plans to identify potential impacts, conflicts, and required relocation of ATMS infrastructureAssisting with consolidating and organizing existing spreadsheets to improve data clarity, accuracy, and overall usabilityAssisting with Traffic Control Center (TCC) operations, including system monitoring, tracking incoming calls, and coordinating response activitiesBecoming familiar with engineering standards, including the Manual on Uniform Traffic Control Devices (MUTCD) and the AASHTO Green BookAssisting with performing field measurements in accordance with established engineering standards and best practicesAssisting Traffic Signal Engineers with signalized corridor retiming and timing optimization projectsBecoming familiar with traffic analysis software, including Synchro, ATSPM, and AASHTOWare SafetyAssisting Signal Technicians with identifying maintenance issues and coordinating field investigations as neededPublic Speaking Duties* Communicating and engaging with staff, citizens, leadership, and elected officials as needed.Minimum QualificationsHigh School Diploma or G.E.D. ANDOne academic year of college majoring in engineering, construction, or related fieldsBe in good academic standing (e.g., not on academic probation)For more information about this department, please click here.Additional InformationAbout Gwinnett CountyWelcome to Gwinnett County GovernmentGwinnett County Government is an award-winning employer that believes in investing in its employees by providing corporate level benefits, a wellness program, professional development opportunities, career advancement, and moreCareers with impactGwinnett County sets the standard as a dynamic, vibrant community where all people can enjoy economic opportunities, safe neighborhoods, plentiful greenspace, and recreational facilities. We are committed to hiring those who share our dedication to making life better for our residents and business owners. The culture of superior service that our employees have created reflects that standard and helps staff, residents, and stakeholders remain vibrantly connected.Exceptional benefitsWorking for Gwinnett County comes with exceptional benefits, including health coverage, a robust wellness program (Spouses can participate, too!), onsite employee wellness center, longevity pay, tuition reimbursement, and more. The value of Gwinnett County benefits can be up to 49 percent of an individual's total compensation.World-class communityMore than a million residents make up Gwinnett's diverse community. The County is located just 45 minutes from Hartsfield-Jackson Atlanta International Airport and 30 minutes from downtown Atlanta. Georgia Highway 316 reduces travel time to the University of Georgia to 25 minutes.Gwinnett County is an award-winning employer!Atlanta's Healthiest Employer by Atlanta Business ChronicleGreen Communities Platinum Certification for Gwinnett County from the Atlanta Regional CommissionTop 100 Healthiest Workplaces in America by Springbuk and PR NewsWire and more!VisionGwinnett is the preferred community where everyone thrives!MissionGwinnett proudly supports our vibrantly connected community by delivering superior services.ValuesIntegrity: We believe in being honest, building trust, and having strong moral principles.Accountability: We believe in stewardship, transparency, and sustainability.Equity: We believe in fairness and respect for all.Inclusivity: We believe in engaging, embracing, and unifying our communities.Innovation: We believe in continual adaptation of technology, process, and experience.Hiring ProcessGwinnett County is an Equal Opportunity Employer. For more information regarding our hiring process, please click the links below:* Hiring Process* FAQsGwinnett County is committed to creating a diverse workforce. As an Equal Opportunity Employer, we prohibit discrimination on the basis of genetic information (including sex), race, color, national origin (including ancestry), gender (identity and expression), sexual orientation, age, marital status, familial status (including pregnancy), disability, military or veteran status, religion, political affiliation, immigration status, homeless status, or any other category protected by law.