Senior Project Engineer – Japan

Energyvault; Westlake Village (CA); On-site; USD 77,000 - 116,000; Full time

Benefits offered by this job

Annual Bonus Plan

Restricted Stock Units (RSUs)

Home office equipment reimbursement

Home internet reimbursement up to JPY

Commuting expense reimbursement

Job summary

Energy Vault in Japan seeks a Senior Project Engineer to manage, optimize design, and lead the execution of BESS projects. You will collaborate with project managers, customers, vendors, AHJs, and consultants while documenting scalable processes and products.

Open to Lead or Principal roles for senior candidates. The candidate should be fluent in Japanese and English, have 10+ years in project design leadership, 5+ years in BESS, and 3+ years in EPC, with travel up to 30% and PE certification

Qualifications

• Fluent in Japanese and English
• Bachelor’s degree in Engineering (electrical or power system) or equivalent experience
• 10+ years of leading project design in large power stations or utility-scale projects
• 5+ years of BESS project experience (preferred)
• 3+ years on EPC projects
• PE certification or equivalent (preferred)
• Familiarity with permitting processes with local authorities
• Willingness to travel domestically and internationally up to 30%

Responsibilities

• Be responsible for project execution with clear scope, schedule, and stakeholders
• Identify gaps in scope and responsibility and address them for project success
• Apply engineering principles and consult SMEs to drive solutions
• Specify equipment (Transformers, Switchgear, protection) as required
• Interface with internal and external stakeholders for clear communication
• Review design documents (single line drawings, diagrams, layouts)
• Plan and lead BESS project commissioning
• Provide feedback to improve internal processes and products

Skills

Fluent Japanese and English

Willingness to travel up to 30%

Project leadership

Strong collaboration

Education

Bachelor’s degree in Engineering (electrical or power system)

Tools

Microsoft Office (Excel, Word, PowerPoint)

Job description

Our Company

Welcome toEnergy 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, andoperatingcritical energy assets around the world.

Energy Vaultoperatesglobally, 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 integrationexpertise, 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 inour Newsroom, and connectwith 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.

#LI-remote #LI-JW1

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.