Intern, Power Electronics Engineering – Power Systems

Energy Vault Holdings, Inc.

Job Overview

Location

United States

Job Type

Full-time

Full Job Description

📋 Description

• Assist in the simulation, analysis, and troubleshooting of power electronics systems focused on energy storage and data center applications under the guidance of senior engineers.
• Work on cutting-edge technologies including grid-interactive inverters, solid-state transformers, DC distribution systems, and microgrid architectures as part of Energy Vault’s Independent Power Producer (IPP) model.
• Support the development and validation of control algorithms for power converters used in battery and clean hydrogen energy storage systems.
• Participate in system-level testing and data collection for large-scale energy storage sites, contributing to performance optimization and reliability assessments.
• Collaborate with cross-functional teams including software, controls, and operations engineers to integrate power electronics solutions with AI/ML-powered EMS and energy trading platforms.
• Apply theoretical knowledge of power systems to real-world scenarios involving renewable integration, grid stability, and dispatchable power delivery.
• Document technical findings, test results, and design iterations in accordance with company engineering standards and project documentation protocols.
• Gain hands-on exposure to industry-standard tools for power system modeling, simulation, and analysis, including MATLAB/Simulink, PSCAD, or equivalent platforms.
• Contribute to the design evaluation of advanced power conversion topologies tailored for high-efficiency, high-reliability energy storage applications.
• Attend engineering reviews, team meetings, and technical briefings to understand project timelines, constraints, and performance metrics.
• Support the Energy Vault Solution team in advancing integrated solutions that combine battery storage, clean hydrogen technologies, and intelligent control systems.
• Observe and learn best practices in power infrastructure development aligned with Energy Vault’s global operations across North America, Europe, Asia, and Australia.
• Engage with mentors and industry experts to deepen understanding of grid-scale energy storage challenges and emerging market demands.
• Maintain strict adherence to safety protocols and engineering compliance standards during lab, field, and simulation-based activities.
• Prepare weekly progress reports and a final technical summary presentation outlining key contributions, learnings, and recommendations from the internship.

🎯 Requirements

• Currently enrolled in an accredited undergraduate or graduate program in Electrical Engineering, Power Electronics, or a closely related field
• Demonstrated coursework or project experience in power systems, power converters, inverters, or energy storage technologies
• Familiarity with simulation tools such as MATLAB/Simulink, PSCAD, or similar power system analysis software

🏖️ Benefits

• 3-month full-time internship (40 hours per week) with hands-on experience in grid-scale energy storage and power infrastructure
• Direct mentorship from industry experts in power electronics and renewable energy systems
• Exposure to AI/ML-powered energy management and trading platforms used in global energy projects

Skills & Technologies

Junior

Onsite

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Energy Vault Holdings, Inc.

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About Energy Vault Holdings, Inc.

Energy Vault designs and deploys grid-scale energy storage systems that combine mechanical, gravitational, thermal, and electrochemical technologies to store and dispatch renewable power. Its flagship product uses cranes to lift and lower composite blocks, storing electricity as gravitational potential energy. The company also offers green hydrogen and battery storage solutions, targeting utilities and industrial clients worldwide.

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