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IT Software Engineer Security Clearance

Job in McLean, Fairfax County, Virginia, USA
Listing for: Zachary Piper Solutions, LLC
Full Time position
Listed on 2026-02-14
Job specializations:
  • Software Development
    Software Engineer, AI Engineer
Job Description & How to Apply Below
Position: IT Software Engineer with Security Clearance
Zachary Piper Solutions is seeking a Software Engineer (Junior or Mid-Level) to support advanced research & development initiatives for the DOT. This role is located in McLean, VA and requires 100% onsite presence. The Software Engineer will support mission critical R&D by developing advanced technologies for cooperative driving automation, autonomous and connected vehicles, transportation simulation, and AI-driven traffic management to improve roadway safety, efficiency, and sustainability nationwide.

Responsibilities of the Software Engineer include:
* Design, develop, implement, and test software packages in support of CDA, AMS, and Advanced Transportation Technologies
* Develop and maintain software using Python in a Linux environment
* Implement interface adapters to convert data formats (e.g., JSON to XML)
* Develop unit tests and integration tests in support of continuous integration processes
* Collaborate with cross-functional research teams to translate project goals into software design, implementation, and validation tasks
* Participate in code reviews and provide constructive feedback on software and documentation
* Utilize Git for version control and support collaborative development workflows
* Support development, testing, and evaluation activities conducted within the Saxton Transportation Operations Laboratory and related research environments Qualifications of the Software Engineer include:
* 0-4 years of experience with degree in Engineering/Computer Science/related field
* Must be a U.S. Citizen or Green Card holder with the ability to obtain a Public trust (3 years US residency required)
* Proficient with Python development in Linux environments, including unit & integration testing
* Experience with robotics or autonomous systems fundamentals & related algorithms/architectures
* Familiarity with data formats & interfaces (JSON, XML) & Git version control
* Experience developing software in C++ & designing system/software architectures (ICDs, design docs, …)
* Background in research prototyping, tool evaluation, & Agile development (JIRA, Confluence)
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