PLEXOS Modeling Consultant

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🕒 October 17, 2025

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Energy and Environmental Economics, Inc.

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51 - 200 employees

Energy. Environment. Economics. Three cornerstones that shape today’s transition to clean energy resources. E3 has operated at the nexus of energy, environment, and economics since its inception in 1989. We have long been a pioneer and thought leader on the topics key to the energy transition such as how to plan and operate highly renewable energy systems, what policies are needed to achieve a fully decarbonized economy, and the role of utilities, market operators, and emerging technologies in the clean energy transition. We pride ourselves on our data driven and intellectually honest approach. We work across the energy industry with both the public and private sectors, from regulated utilities to restructured markets, from distributed resources to high voltage transmission. Our experts will help you chart your path through this dynamic landscape. E3 is a wholly-owned subsidiary of The Willdan Group, Inc., a nationwide provider of professional technical and consulting services to utilities, government agencies, and private industry.

📋 Description

• Develop PLEXOS production simulation (ST) and/or capacity expansion (LT) models that address client-specific questions and/or forecast future market fundamentals over a multi-year period • Strategize on best modeling approaches to tackle specific questions and discuss the analysis plan with our expert PLEXOS modeling team and project leads • Gather relevant data from clients and a range of available sources and translate this information to be represented and modeled accurately • Apply core QA/QC best practices to debug simulation cases, view and critically assess results, refine model setup and cases, and recommend additional scenarios to explore • Translate results of simulation cases and research into clear visual representations • Make modifications to existing E3 cases and tools to improve functionality and/or efficiency • Assist the delivery of customer work through modeling, developing presentations, writing and preparing entire subsections of reports and papers, and helping with additional customer requests • Conduct independent research using your ingenuity and curiosity to make reasonable assumptions and produce appropriate solutions, at times with incomplete information. • Deliver sections of presentations to customers and reply to questions • Proactively track actual performance of work performed against the established plan, with ongoing communication with the Director or Manager • Capture project learnings and repeatable products and work samples for future use according to knowledge management processes • Assist in proposal writing as needed • Assist with internal initiatives as needed

🎯 Requirements

• 1-3 years of experience using PLEXOS software for production simulation (ST) and/or capacity expansion (LT) applications • Master's degree or Ph.D. in engineering, economics, computer science, optimization, public policy or related field • 3-5+ years of related experience in an energy-related field • Detailed-oriented approach to designing models and critically assessing results • Prior experience specifically addressing renewable energy and climate change issues and/or demonstrated advanced-level academic related project work • Demonstrated hands-on experience, academic project work, or extensive knowledge in or related to one of our Practice Areas: Climate Pathways and Electrification, Asset Valuation, Transmission, and Markets and Integrated System Planning. • You work collaboratively and help each member of your team to do their finest work, aware that each brings different experiences to the table • You find joy in translating technical concepts to broader audiences • You take ownership of your work, proactively seeking out answers to questions and enjoy finding creative solutions to issues you encounter • Aptitude to write and communicate clearly • Passionate about the transition to a low-carbon economy • Demonstrated success guiding ideas, people, and projects • Strong organizational and time management techniques • High fluency in Microsoft Excel and PowerPoint; programming knowledge and experience are also valued • Desire to work in a dynamic office environment with other staff

🏖️ Benefits

• Exceptional benefits such as medical, dental, and vision insurance plans • 401(k) with corporate match • Flexible Paid Time Off plus standard company holidays • Short-term and long-term disability • Group life insurance • Health Savings Accounts and Flexible Spending Accounts • Fitness and wellness corporate discounts and fitness stipend • Professional Development annual stipend • Base and bonus commensurate with experience and performance