Description Join a forward-thinking team committed to innovating the transportation sector! At Leidos, we support the Federal Highway Administration’s (FHWA) Saxton Transportation Operations Laboratory (STOL), focusing on enhancing transportation operations, safety, mobility, and reducing environmental impacts. STOL champions the integration of emerging technologies such as cooperative driving automation (CDA) and Vehicle-to-Everything (V2X) to revolutionize transportation.Learn more about STOL here!Role Overview:We are seeking a dedicated Transportation Engineer/Modeler to join our McLean, Virginia group. You will engage in dynamic projects involving Operations, Safety, Freight, and Access Management and in the growing and rapidly advancing fields of Intelligent Transportation Systems (ITS), CDA, V2X, and Connected Vehicle (CV) technologies.Key Responsibilities, but are not limited to:Conduct research on a variety of transportation engineering projects, which encompass traffic simulation, CDA, V2X, CV, safety, and Intelligent Transportation Systems (ITS).Execute traffic simulation projects across multiple scales, ranging from microscopic to macroscopic levels.Develop, refine, and maintain simulation networks, manage comprehensive data analysis, and implement cutting-edge algorithms in an open-source environment.Perform cross-disciplinary CDA simulations, including automated driving simulation, vehicle dynamics simulation, V2X communication simulation, and sensor simulation.Participate in the creation of digital twins and high-definition (HD) mapsUtilize data mining techniques and algorithms to analyze Connected and Automated Vehicle (CAV) data.Create guidance, training, and outreach materials aimed at technical audiences, practitioners, and various stakeholders, focusing on diverse aspects of transportation.Develop documentation, reports, manuals, and presentations to effectively communicate project results to intended audiences, ensuring clarity and practical applicability in both oral and written forms.Contribute to the development, support, and review of technical proposals.Author white papers, proposals, and briefings that demonstrate technical and thought leadership, catering to the needs of Leidos leadership or clients.Required Qualifications:Advanced degree (Master’s or higher) in Transportation Engineering, Systems Engineering, Computer Science, or related fields.Extensive experience with at least one of microscopic traffic simulation tools (e.g., SUMO, Vissim, Aimsun, Transmolder, or similar).Ability to obtain and maintain a Public Trust clearance (which includes three years of immediate residency in the US).Proficiency in programming for implementing developed algorithms into microscopic traffic simulation tools (C++, Java, Python, VBA, or Matlab).Demonstrated ability to author technical research papers and reports.Expertise in advanced data analytics for transportation.Knowledge of CAV, Intelligent Transportation Systems, and traffic operation and management.Clear communication skills, both verbal and written.Preferred Experience:Proficient in autonomous driving and sensor simulation tools, with direct hands-on experience (e.g., CARLA, LGSVL, CARMAKER, or similar).Experience with developing digital twin and 3D simulation scenes for autonomous driving and sensor simulation tools by using professional tools (e.g., Roadrunner).Experience with creating high-definition (HD) maps.Familiarity with concepts of co-simulation or co-simulation frameworks (FMI/HLA/MOSAIC)Solid understanding of Vehicle-to-Everything (V2X) communication protocols and experience with communication simulation tools such as NS-3 and OMNET++.Experience with vehicle dynamics simulators (e.g., CARSIM and TruckSIM).Hands-on experience or familiarity with CARMA ecosystem (e.g., CARMA platform, CARMA streets, CARMA messenger, and CARMA Cloud)Experience with implementing artificial intelligence (AI) and machine learning in transportationFamiliar with augmented reality (AR) and virtual reality (VR) technologies.Demonstrated project management skills, with a track record of successfully overseeing projects from inception to completion.Capable of developing Requests for Information (RFI), Requests for Proposal (RFP), and managing subcontractor agreements.Proven experience in managing subcontractors, ensuring adherence to project specifications and timelines.Experience with leading or assisting in the development of technical proposals, showcasing the ability to convey complex ideas effectively.Competent in developing cost models, basis of estimates (BOEs), and Bill of Materials (BOM) for diverse projects.Agile methodology proficiency, with experience in applying agile practices in development environments.Team Dynamics:Strong team collaboration and ability to engage in constructive feedback.Clear communication skills, both verbal and written.Adherence to schedules with a focused work ethic.Receptive to professional growth and learning.High quality standards and work pride.Enthusiasm for the field of transportation simulation and technology.Anticipated pay range for this position: $80,000-$100,000Pay Range:Pay Range $63,050.00 - $113,975.00The Leidos pay range for this job level is a general guideline onlyand 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.