Junior Software Engineer - Smart Mobility

Job Description

Description

Junior Software Engineer – Smart Mobility

Are you interested in improving and shaping the transportation industry with a group of intelligent and motivated individuals? Consider joining the Leidos team operating the Federal Highway Administration (FHWA)’s Saxton Transportation Operations Laboratory (STOL), a USDOT research lab focused on the improvement of transportation safety, operations, and mobility impacts. STOL champions the integration of emerging technologies such as cooperative driving automation (CDA) and Vehicle-to-Everything (V2X) to revolutionize transportation.

Learn about STOL here : -fairbank-highway-research-center / labs / STOL

Location : This role will be expected to work full-time at the customer site in McLean, VA.

Candidates MUST :

Be US Citizens or Green Card Holders who are currently in the United States for the current three consecutive years and be eligible for a Public Trust Clearance.

Role Overview :

Leidos is seeking a Junior Software Engineer – Smart Mobility to join a highly successful team in researching and developing automated transportation technologies to shape the future of transportation. We are looking for someone who is motivated by variety, thrives in a challenging environment, seeks professional growth, and will be a key part of a team developing and extending a variety of applications and components to improve results that impact the transportation industry.

The successful candidate will engage in various projects aiming to develop and optimize the use of advanced technologies (such as autonomous vehicles (AVs), connected and autonomous vehicles (CAVs), and intelligent transportation systems (ITS)) to improve the safety and operation of multimodal transportation systems.

Primary Responsibilities :

• Participate in the full software development lifecycle for software tools, including requirements analysis, design, implementation, testing (including unit tests and integration tests), release, and maintenance.
• Develop software tools that support the safety evaluation of autonomous vehicles (AVs).
• Play a key role in maintaining and enhancing the operation of the US Department of Transportations (USDOT) open-source connected and automated vehicle tools, such as CARMA Platform, CARMA Messenger, and V2XHub.
• Collaborate with the broader software team to break down software development efforts into clear and manageable tasks.
• Research intelligent transportation systems (ITS) industry trends, assess the current state of relevant technologies, identify gaps, and help prioritize tool development to best support industry needs.
• Provide constructive feedback on GitHub Pull Requests made by other team members to help them improve their implementation skills, while also being open to feedback on your own code contributions.
• Support both the internal development team and external users of our open-source software by developing clear and helpful documentation throughout all phases of the development process, including detailed design documents, helpful / concise comments within developed code, and informative descriptions in generated GitHub Pull Requests and Issues.
• Interact with customer representatives as needed throughout a project’s lifecycle to provide updates related to software design, development, and testing.
• Use open-source simulation tools to test and evaluate ITS applications and use cases.

Required Qualifications :

Preferred Qualifications :

Anticipated salary range for this role is $80,000-$100,000

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting : October 30, 2025

For U.S. Positions : While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range : Pay Range $55,250.00 - $99,875.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com / careers / pay -benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.