Principal Project Engineer - Gas Engine Power Generation
Energy VaultRemote
Full Time
Posted July 22, 2026
$123k - $175k· Est.
Energy Management
Remote
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Job Description
Welcome to Energy Vault® (NYSE:NRGV), a global energy storage and power infrastructure company focused on owning, operating, and enabling resilient, dispatchable energy assets.
Key Responsibilities
- Establish the electrical design basis, scope boundaries, interface matrix, deliverable register, design schedule, and technical risk register; identify and close scope gaps across owners, EPC contractors, utilities, consultants, and equipment suppliers.
- Review electrical design packages including: single-line and three-line diagrams, wiring diagrams, cable schedules, equipment layouts, grounding and lightning-protection designs.
- Create or technically evaluate specifications for all major equipment including: transformers, HV/MV switchgear, disconnect switches, power cables, CTs/VTs, metering and protection relays and UPS systems.
- Coordinate electrical interfaces with natural-gas engine-generator OEMs, including alternator ratings, neutral grounding, excitation/AVR, governor and synchronizing controls, generator protection, starting systems, plant auxiliaries, black-start or islanding requirements, and CHP interfaces where applicable.
- Review load-flow, short-circuit, protection-coordination, grounding, arc-flash, cable-ampacity; ensure study assumptions remain aligned with the issued-for-construction design.
- Manage utility interconnection requirements, including point-of-interconnection design, revenue metering, communications and relay settings.
- Review EPC and vendor drawings, calculations, equipment data sheets, test plans, FAT/SAT reports, deviations, and technical submittals; provide clear dispositions and maintain design configuration control.
- Support procurement through equipment specifications, technical bid evaluations, supplier selection and vendor-document review.
- Provide construction engineering support, respond to RFIs and field changes, participate in site walkdowns, and verify that installations conform to the design, applicable codes, and approved quality plans.
- Plan and support substation energization, generator synchronization, commissioning, and turnover, including test procedures, protection and control testing, punch-list closure, and coordination with utilities, commissioning agents, and plant operations.
Requirements
- Bachelor’s degree in engineering (electrical or power system engineering) or equivalent experience.
- 7+ years of experience leading project design, preferably in the building of large generator power stations and substations.
- Direct experience in HV/MV substation design.
- Direct experience with natural-gas reciprocating-engine power plants, CHP facilities, or distributed generation is strongly preferred.
- Working knowledge of applicable IEEE, ANSI, NFPA 70/NEC, NESC, NETA, OSHA, and utility standards.
- PE certification or equivalent, preferred.
- Familiarity in permitting processes with local authorities.
- Proficient in Microsoft Office tools (Excel, Word, PowerPoint).
- Willingness to travel domestically and internationally, up to 30%.
- Comfortable thriving in fast-paced, rapid growth environments.
- A passion for sustainability, our mission, and our vision is a bonus!
Benefits & Perks
- Annual bonus plan.
- Restricted Stock Units (RSUs).
- 401K employer matching.
- Comprehensive medical, dental, and vision plans for employees and family.
- Flexible Spending Account.
- Company-paid Life insurance, Short- and Long-term disability insurance.
- 8-weeks for Paternity leave.
- Generous holiday allowance.
- Flexible time off plus sick leave.
- Reimbursement for home office equipment, phone, and internet expenses.
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