Lead Power Systems Engineer, Data Centers

Energy Vault; France; On-site; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Annual bonus

RSUs

401K employer matching

Medical, dental, and vision plans

Flexible Spending Account

Life insurance

Disability insurance

Paternity leave

Generous holiday allowance

Flexible time off

Home office equipment stipend

Job summary

Energy Vault is seeking a Lead Power Systems Engineer for Data Centers to design power architecture from grid to IT load, with site loads around 50MW. You will own reliability philosophy, interconnections, and on-site or co-located generation such as BESS and PV.

This role requires coordinating with utilities, EPCs, and equipment suppliers to ensure robust, scalable, and safe infrastructure. You will lead design reviews, protect/coordination studies, and support deployments across multiple

Qualifications

• Bachelor’s degree in Electrical or Power Systems engineering; Master’s preferred.
• 8+ years in power system design for mission-critical, industrial, utility-scale, or data center environments.
• 3+ years of BESS or PV project experience.
• Experience with grid-interactive or grid-forming power systems.
• Strong familiarity with DER and sustainability strategies and grid integration.
• Familiarity with permitting processes and electrical codes/standards.

Responsibilities

• Identify high-availability design criteria for data center power systems.
• Define and own overall power system architecture from utility interconnection to IT load.
• Design high-reliability substations for up to 50MW data centers.
• Lead FMEA, short-circuit, coordination, and reliability studies.
• Ensure maintainability with downtime-minimizing strategies.
• Support black-start, islanded operation, and degraded-mode scenarios.
• Define on-site or co-located generation (diesel/gas turbines, BESS, PV).
• Define control strategies for dispatch, load-shedding, islanding, resynchronization.
• Coordinate DER integration with UPS, static switches, and data halls.
• Lead technical engagement with utilities, ISOs/RTOs, interconnection authorities.
• Support interconnection studies and protection coordination with grid systems.
• Interface with EPCs, OEMs, and equipment suppliers to preserve design intent.
• Establish and maintain design standards and reference architectures across sites.

Skills

Power systems design

Grid-interactive control

DER & microgrid architectures

Protection & control

UPS & generator systems

Power system analysis tools

Data center power systems

Leadership & cross-functional work

Education

Bachelors in Electrical Engineering

Masters in Electrical/Power Systems

Tools

Load flow software

Short-circuit analysis tools

Protection coordination software

Arc-flash analysis tools

Job description

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, andoperatingcritical 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 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 Lead Power Systems Engineer, Data Centers:

The Power Systems Engineer for Data Centers is responsible for leading the design of power architecture from grid to data center load, with individual site loads of approximately 50MW.

This role owns the design, reliability philosophy, and technical integration of utility interconnections, high-reliability substations, medium- and low-voltage distribution systems, and on-site and co-located generation assets.

The role ensures that data center power infrastructure meets stringent availability, resiliency, and safety requirements, with possible integration of distributed energy resources (DERs) such as photovoltaic generation, gas turbines, and battery energy storage systems (BESS).

Your Mission:

• Identify relevant design criteria for high availability power system supplying data centers.
• Define and own the overall power system architecture for data centers from utility point of interconnection through IT load.
• Design high-reliability substations aligned with Tier III / Tier IV reliability standards for up to 50MW data centers.
• Lead failure modes and effects analysis (FMEA), short-circuit studies, coordination studies, and reliability assessments.
• Ensure systems are designed for maintainability without downtime, including concurrent maintenance strategies.
• Support black-start, islanded operation, and degraded-mode operating scenarios where applicable.
• Design on-site or co-located generation, including: diesel or gas turbine generators; Battery energy storage systems (BESS); Co-located or on-site photovoltaic (PV) systems.
• Define control strategies for dispatch, load-shedding, islanding, resynchronization, and grid interaction.
• Coordinate integration of DERs with UPS systems, static switches, and data hall distribution.
• Lead technical engagement with utilities, ISOs/RTOs, and interconnection authorities.
• Support interconnection studies, protection coordination with utility systems, and compliance with grid requirements.
• Interface with EPCs, OEMs, and equipment suppliers to ensure design intent is preserved through execution.
• Establish and maintain design standards, reference architectures, and technical guidelines across multiple sites or regions.
• Provide technical oversight during design reviews, FATs, SATs, commissioning, and energization.
• Support operational teams with troubleshooting, root-cause analysis, and system upgrades over the asset lifecycle.
• Work cross-functionally with engineering, legal, commercial, and executive teams to align project goals.

Your Background:

• Bachelor’s degree in Electrical or Power Systems engineering, Master’s preferred.
• 8+ years of experience in power system design for mission-critical, industrial, utility-scale, or data center environments.
• 3+ years of BESS or PV project experience, preferred.
• Experience with grid-interactive or grid-forming power systems, preferred.
• Familiarity with sustainability-driven power strategies (e.g., low-carbon generation, energy optimization), preferred.
• Familiarity in permitting processes with local authorities, preferred.
• Strong expertise in: high-reliability substations and MV/LV distribution; protection and control systems; generator and UPS systems; DER and microgrid architectures.
• Proficiency with power system analysis tools (e.g., load flow, short-circuit, protection coordination, arc-flash).
• Deep understanding of electrical codes, standards, and best practices applicable to data centers.
• Ability to operate as a technical authority across disciplines and stakeholders.
• Strong written and verbal communication skills for executive, engineering, and external audiences.
• Comfortable balancing reliability, cost, constructability, and scalability trade-offs.
• Willingness to travel domestically and internationally, up to 25%
• Comfortable thriving in a fast-paced, rapid growth environments.
• A passion for sustainability, our mission, and our vision is a bonus!
• Must successfully pass a pre-employment background check.
• Energy Vault participates in E-Verify.

Benefits of Powering the Future with Energy Vault:

• 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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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.