Traffic Software Engineer Security Clearance

Position: Traffic Software Engineer with Security Clearance
Zachary Piper Solutions is seeking a Traffic Software Engineer to support a company focused on advancing intelligent transportation systems, traffic operations, and next-generation mobility technology. This position is on-site in Mclean, VA. The Traffic Software Engineer will analyze traffic performance, design operational improvements, and support simulation-based testing for transportation and autonomous systems. Join a mission-driven team dedicated to making roadways safer, smarter, and more efficient.

Responsibilities for the Traffic Software Engineer include:
* Conduct traffic analysis across roadway links, intersections, and full transportation networks

* Design traffic safety and operational solutions such as smart signals, sensors, ATMS tools, and infrastructure improvements

* Build and run traffic models and simulations, including scripting, API integrations, and hardware-in-the-loop testing

* Perform testing and validation of traffic models, simulation performance, and ITS system functionality

Required Qualifications for the Traffic Engineer include:
* 0-4 years of experience for Junior / 4-8 years of experience for Mid-Level roles

* Strong Python skills in a Linux environment (C++ preferred)

* Experience with unit and integration testing within CI workflows

* Proficiency with API integrations and data format adapters (e.g., JSON ↔ XML)

* Experience using Git for version control

* BS/BA in a relevant field or equivalent work experience (see experience tiers)
Compensation for the Traffic Software Engineer includes:
* Salary Range: $80,
** Depending on experience*
* * Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401K, Tuition Reimbursement, Sick leave as required by law #LI-MZ1 , C++, ITS, traffic modeling, traffic simulation, hardware-in-the-loop, transportation engineering, API integration, Git, CI/CD, JSON, XML, autonomous systems, robotics