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National Renewable Energy Laboratory Modelica Modeling and Simulation Scientist in Golden, Colorado

Posting Title

Modelica Modeling and Simulation Scientist



CO - Golden


Position Type



Hours Per Week



Mandatory COVID-19 Vaccination Protocols

Employment at NREL is contingent upon your compliance with all NREL and DOE safety protocols and mitigation efforts directed at the COVID-19 pandemic. At present, NREL requires all employees to be immunized against COVID-19. Upon hire, new employees must be prepared to provide proof of vaccination on your first day of employment. All employees must have completed vaccinations by November 1, 2021.

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 eight 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.

Job Description

This position will be filled at the Researcher Level II or III based on the basic and required qualifications of the selected candidate:

  • NREL's Commercial Buildings Research Group has an opening for a full-time Modelica expert. The successful applicant will help drive the next-generation of grid-interactive efficient buildings by developing the research platform necessary to reach key R&D milestones. Work will consist primarily of advancing the maturity of Modelica-based representations of district-scale heating, ventilating, and air-conditioning (HVAC) systems to advance the maturity of the U.S. Department of Energy’s URBANopt advanced analytics platform.

  • Work collaboratively to identify, design, and implement new Modelica-based URBANopt functionality.

  • Work with industry to facilitate the realization of the next generation of zero-energy communities.

  • Publish relevant research outcomes in peer-reviewed scientific journals.

  • Work across teams to remove uncertainty from project requirements and build consensus around outcomes.

Research at NREL is a highly collaborative process; this role is team-based. We are seeking an individual who thrives in an interactive environment and will positively contribute to the collective NREL body of work. A willingness to engage in a team-based approach to research is a requirement.


Basic Qualifications

This position is open to two levels of candidates:

Researcher III: PhD in Mechanical Engineering, Electrical Engineering, Computer Science, Physics or related field. Or, Master's Degree in Mechanical Engineering, Electrical Engineering, Computer Science, Physics or related field and 3 or more years of relevant experience. Or, Bachelor's Degree in Mechanical Engineering, Electrical Engineering, Computer Science, Physics or related field and 5 or more years of relevant experience.

Researcher II: Master's Degree in Mechanical Engineering, Electrical Engineering, Computer Science, Physics or related field. Or, Bachelor's Degree in Mechanical Engineering, Electrical Engineering, Computer Science, Physics or related field and 2 or more years of relevant experience.


Additional Required Qualifications

For the Researcher Level III position:

  • The Researcher Level III functions independently with minimal supervision and guidance.

  • Demonstrates a rich, in-depth understanding and wide application of the engineering technical principles, theories, concepts and techniques.

  • Advanced ability to build Modelica-based functionality.

  • General knowledge of other related disciplines.

  • Demonstrates leadership in one or more areas of team, task or project lead responsibilities.

  • Demonstrated experience in management of projects.

  • Strong writing, interpersonal and communication skills.

For the Researcher II position:

  • The Researcher II functions independently with some supervision and guidance.

  • General knowledge and application of engineering technical standards, principles, theories, concepts and techniques.

  • Skilled ability to build Modelica-based functionality.

  • General knowledge of other related disciplines.

  • Training in team, task or project leadership responsibilities.

  • Intermediate abilities and knowledge of practices and techniques.

  • Beginning experience in project management.

  • Good writing, interpersonal and communication skills.

Preferred Qualifications


Annual Salary Range (based on full-time 40 hours per week)

Annual Salary Range: $73,900 - $133,100

Offers will typically be made in the bottom half of the listed range. NREL takes into consideration a candidate’s education, training, and experience, as well as the position's work location, 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- and long-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; paid holidays; and tuition reimbursement. 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. Limited-term positions are not eligible for long-term disability or tuition reimbursement.

* Based on eligibility rules

Submission Guidelines

Please note that in order to be considered an applicant for any position at NREL you must submit an application form for each position for which you believe you are qualified. Applications are not kept on file for future positions. Please include a cover letter and resume with each position application.


EEO Policy

NREL is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard basis of age (40 and over), color, disability, gender identity, genetic information, marital status, military or veteran status, national origin/ancestry, race, religion, creed, sex (including pregnancy, childbirth, breastfeeding), sexual orientation, and any other applicable status protected by federal, state, or local laws.

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The National Renewable Energy Laboratory (NREL) is a leader in the U.S. Department of Energy’s effort to secure an environmentally and economically sustainable energy future. With locations in Golden and Boulder, Colorado, and a satellite office in Washington, D.C., NREL is the primary laboratory for research, development, and deployment of renewable energy technologies in the United States.

NREL is subject to Department of Energy (DOE) access restrictions. All candidates must be authorized to access the facility per DOE rules and guidance within a reasonable time frame for the specified position in order to be considered for an interview. DOE rules for site access during the interview process are the same regardless of whether the candidate is interviewed on-site, off-site, or via telephone or videoconference. Additionally, DOE contractor employees are prohibited from participating in certain Foreign Government Talent Recruitment Programs (FGTRPs). If a candidate is currently participating in an FGTRP, they will be required to disclose their participation after receiving an offer of employment and may be required to disengage from participation in the FGTRP prior to commencing employment. Any offer of employment is conditional on the ability to obtain work authorization and to be granted access to NREL by the Department of Energy (DOE). We understand that COVID-19 may have caused delays or closures at offices, consulates, and embassies. However, NREL cannot make exceptions to work authorization and access requirements, and exceptions to these requirements are not being made for COVID-19 related delays.

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