Senior Project Engineer – JapanEnergy Vault

Senior Project Engineer – Japan

Location: Japan
Workplace: Remote
Job type: Full Time
Posted: Posted September 10, 2026

Our Company

Welcome to Energy Vault® (NYSE:NRGV), a global energy storage and power infrastructure company focused on owning, operating, and enabling resilient, dispatchable energy assets.

Energy Vault’s focus is to deliver reliable, flexible power that supports the evolving needs of modern grids, communities, and large energy users. Since 2024, the Company has centered its strategy on an Independent Power Producer (IPP) model, developing, building, owning, and operating critical energy assets around the world.

Energy Vault operates globally, with headquarters in Westlake Village, California and Lugano, Switzerland, and regional development across North America, Europe, Asia, and Australia. The Company partners with utilities, grid operators, and large energy consumers to deliver infrastructure that strengthens grid reliability, enables renewable integration, and supports long-term energy security.

By combining asset ownership with advanced technologies and integration expertise, Energy Vault is building the next generation of critical energy infrastructure, delivering dependable power when and where it matters most.

Learn more at www.energyvault.com, explore recent updates in our Newsroom, and connect with us on LinkedIn, X, Facebook, Instagram, Vimeo, or YouTube.

Our Values

We Commit: To Building a Better Future for Earth and All Its Beings.

We Innovate: Cutting Edge Solutions to Accelerate the Unique Energy Aspirations of Our Clients.

We Connect: To Build Genuine Relationships.

We Deliver: Going Above & Beyond by Being Fast & Nimble.

We Lead: With Authenticity and Purpose.

Your Impact as a Senior Project Engineer – Japan:

We seek an experienced Project Engineer, BESS Projects to manage, optimize design and lead the execution of Energy Vault BESS (Battery Energy Storage System) projects in Japan. In this role, you will collaborate with project managers, construction managers, customers, outside vendors, AHJ and consultants. As we rapidly grow and deliver on more contracts worldwide, you will help document and build scalable processes, technology, and products. Energy vault operates as both an independent power producer (IPP) and an integrator for customer projects.

We are targeting a Senior Project Engineer, but for a great candidate with more experience, we are open to a Lead Project Engineer or a Principal Project Engineer.

Your Mission:

Be responsible for project execution, which requires thorough understanding of scope, schedule, stakeholders and keeping all parties in sync.
Identify gaps in scope & responsibility and work with stakeholders to address them to ensure project success. This will require a comprehensive understanding of the engineering, procurement, construction, and permitting process.
Apply engineering principles and consult subject matter experts, as needed, to identify issues & drive solutions on projects.
Specify equipment for projects as required, including Transformers, Switchgear, protection solutions, etc.
Interface with internal (project managers, product engineers, sales team) and external stakeholders (utilities, AHJs, contractors, end customers) to ensure consistent communication.
Review project design documents including single line drawings, communication diagrams, layouts, equipment test reports, etc.
Plan and lead BESS project commissioning.
Provide constructive feedback to improve internal processes and product.

Your Background:

Candidate should be fluent in Japanese and English
Candidate should have current work rights in Japan.
Bachelor’s degree in Engineering (electrical or power system engineering) or equivalent experience
10+ years of experience of leading project design, preferably in the building of large power stations or PV or other utility-scale power projects
5+ years of BESS project experience, preferred
3+ years of experience working on EPC projects
Knowledge of relevant electrical standards for BESS projects in Japan
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 in fast-paced, rapid growth environments
A passion for sustainability, our mission, and our vision is a bonus!

Benefits of Powering the Future with Energy Vault:

Annual Bonus Plan.
Restricted Stock Units (RSUs).
Reimbursement for approved home office equipment.
Reimbursement for home internet, including mobile phone up to JPY 12,000 per month.
Reimbursement of commuting expense.

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Join Us in Empowering Change

At Energy Vault we are committed to providing an environment of mutual respect where equal employment opportunities are available to all applicants. We believe inclusion creates opportunity for collaborative excellence through diversity of thought. We invite individuals of all genders, races, identities, ethnicities, sexual orientations, national origins, abilities, protected veteran status, religions, educational and socioeconomic backgrounds to explore employment with our organization.

Apply now and become a catalyst for change at Energy Vault!

Apply now