**Posting Title** Postdoctoral Researcher - Freight Transportation Modeling . **Location** CO - Golden . **Position Type** Postdoc (Fixed Term) . **Hours Per Week** 40 . **Working at NREL** The National Renewable Energy Laboratory (NREL), located at the foothills of the Rocky Mountains in Golden, Colorado is the nation's primary laboratory for research and development of renewable energy and energy efficiency technologies. From day one at NREL, you’ll connect with coworkers driven by the same mission to save the planet. By joining an organization that values a supportive, inclusive, and flexible work environment, you’ll have the opportunity to engage through our ten employee resource groups, numerous employee-driven clubs, and learning and professional development classes. NREL supports inclusive, diverse, and unbiased hiring practices that promote creativity and innovation. By collaborating with organizations that focus on diverse talent pools, reaching out to underrepresented demographics, and providing an inclusive application and interview process, our Talent Acquisition team aims to hear all voices equally. We strive to attract a highly diverse workforce and create a culture where every employee feels welcomed and respected and they can be their authentic selves. **Our planet needs us! Learn about NREL’s critical objectives,** and **see how NREL is focused on saving the planet.** **We invite all interested candidates to apply for this opportunity. While we recognize that job seekers may hesitate if they don’t meet every requirement, we encourage dedicated individuals who meet all the basic and additional required qualifications of the role to submit an application. We value the opportunity to consider those who believe they have the necessary skills and ambition to succeed at NREL.** **Job Description** Seeking a passionate Postdoctoral Researcher to work in NREL’s Commercial Vehicle Team in the Center for Integrated Mobility Sciences. Working closely with a team of researchers at NREL and within cross-cutting research partnerships, the Postdoc will contribute to multiple projects related to freight transportation mobility improvements for movement of goods, new transport modes, decarbonized vehicle technologies, and energy implications. The effort includes 1) development and improvement of software tools for modeling of regional and national multi-modal (truck, rail, and water) freight transportation systems, 2) application of the model to quantify the mobility and energy implications of emerging freight transportation technologies to help decarbonize the freight transport systems, 3) analysis to inform strategic decisions facing policy makers, federal agencies, and industry. Utilizing the modeling tools, we will translate analysis results into effective and influential communication products tailored to multiple clients’ requests and audience requirements. This position may include the following additional activities: + Understand regional and/or national freight transportation systems and corresponding energy systems to identify decarbonization pathways. + Identify and work with relevant datasets to characterize current and future changes in freight movements and associated energy consumption + Work towards development of a scalable, distributed, and data-driven freight simulation model including truck-based regional freight generation and/or nation-wide multi- and inter-modal freight movement + Refine existing models and/or develop new models for freight simulation software tools + Deliver quality products that synthesize external literature, data analyses, and modeling results + Publish research findings in peer-reviewed papers and/or high-quality technical reports + Present results to external audiences . **Basic Qualifications** Must be a recent PhD graduate within the last three years. *** Must meet educational requirements prior to employment start date.** **Additional Required Qualifications** **Preferred Qualifications** Highest priority preferred qualifications: + Demonstrated experience with modeling of freight (or passenger) transportation. + Knowledge in large scale transportation modeling that applies a state-of-art approach (e,g., agent-based or discrete-event simulation modeling). + Strong collaboration skills—thrives working in a collaborative team environment but is comfortable working independently when necessary. + Strong software skills demonstrating programming proficiency in Python or equivalent. + Experience with open-source, collaborative software development using GitHub. + Strong communication, writing and presentation skills. + Must hold a recent PhD graduate degree prior to employment start date. Additional preferred qualifications: + Analysis skills for a variety of transportation/energy research. + Experience with coding and modeling. + Translate modeling and analysis results effectively. + Familiarity with network theory, behavior/choice modeling, optimization. + Visualization and high-performance computing experience. + Skilled in problem-solving. + Cumulative undergraduate/graduate GPA over 3.8 on a 4.0 scale. Please include all relevant experience and qualification information on the uploaded PDF (or MS Word) copy of your resume or CV. . **Job Application Submission Window** The anticipated closing window for application submission is up to 30 days and may be extended as needed. **Annual Salary Range (based on full-time 40 hours per week)** Job Profile: Postdoctoral Researcher / Annual Salary Range: $73,200 - $120,800 NREL takes into consideration a candidate’s education, training, and experience, expected quality and quantity of work, required travel (if any), external market and internal value, including seniority and merit systems, and internal pay alignment when determining the salary level for potential new employees. In compliance with the Colorado Equal Pay for Equal Work Act, a potential new employee’s salary history will not be used in compensation decisions. **Benefits Summary** Benefits include medical, dental, and vision insurance; short-term disability insurance*; pension benefits*; 403(b) Employee Savings Plan with employer match*; life and accidental death and dismemberment (AD&D) insurance; personal time off (PTO) and sick leave; and paid holidays. NREL employees may be eligible for, but are not guaranteed, performance-, merit-, and achievement- based awards that include a monetary component. Some positions may be eligible for relocation expense reimbursement. ***** Based on eligibility rules **Badging Requirement** NREL is subject to Department of Energy (DOE) access restrictions. 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