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NREL Research Engineer II- Energy Optimization Modeling & Analysis in Golden, Colorado

Posting Title

Research Engineer II- Energy Optimization Modeling & Analysis



CO - Golden


Position Type



Hours Per Week



Job Description

NREL is seeking a junior engineer and project manager to support energy optimization modeling and analysis projects in the Integrated Applications Center (IAC) within the Energy Systems Integration (ESI) directorate. IAC helps federal agencies, states, local governments, communities, and the private sector to develop energy strategies, analyze opportunities, and implement an integrated portfolio of distributed energy resources, energy efficiency (EE), and grid integration technologies to meet energy and resilience goals.

The incumbent will work under the guidance of senior staff within the Modeling & Analysis Group to perform analysis with NREL’s REopt modeling platform for energy systems integration and optimization to inform client energy decisions. The incumbent will work as part of a team to understand client needs, identify goals/objectives and approaches, develop statements of work, design and execute analysis projects, and present results. The incumbent will conduct engineering analysis using REopt and other EE/RE analysis tools (i.e. SAM, HOMER) to evaluate the technical and economic feasibility of renewable energy, energy efficiency, storage, and conventional generation in buildings, campuses, or microgrids. The incumbent will also assist in on-site energy assessments and interact with clients during project execution. The incumbent will document and present engineering results, including publishing results in technical reports, conference papers, or journal articles.

The successful candidate will have excellent communication skills, experience in energy analysis and project leadership, and a background in engineering. Knowledge of mathematical optimization modeling and programming skills are preferred.

Required qualifications include:

  • Experience in techno-economic modeling of renewable energy and/or storage

  • Knowledge of energy efficiency or renewable energy technologies

  • Excellent soft skills including good listening abilities, relationship-building and interpersonal expertise, excellent writing and oral communication skills, and teaming skills.

  • Experience in project or task management

  • Ability to collaborate with team members in a flexible work environment

  • Ability to work independently

  • High standards of work quality

  • Smart, intellectually curious, analytical, and tenacious in finding solutions.

  • Adaptable to a variety of roles and projects. Flexible in moving between tasks and juggling several projects at once.


Basic Qualifications

Relevant Master's Degree . Or, relevant Bachelor's Degree and 2 or more years of experience . General knowledge and application of engineering technical standards, principles, theories, concepts and techniques. 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.


Additional Qualifications

Preferred Qualifications

  • Experience leading projects, including developing statement of work, leading client interactions, and planning scope/schedule/budget

  • Experience using EE/RE software tools such as SAM, HOMER, and Open Studio

  • Experience with mixed integer linear programming / optimization

  • Experience in Python programming

  • Basic knowledge of economics/ finance/cash flow analysis

  • Experience working with and managing large amounts of data

  • Experience using scripting languages for automating computer simulations

  • Ability to transition easily between detailed modeling and big-picture client interactions

  • Experience writing technical reports and/or academic papers


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.


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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.

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