Systems Modeling Engineer, ESS jobs in United States
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Peak Energy · 14 hours ago

Systems Modeling Engineer, ESS

positionBurlingame, California
timeFull-time
remoteOnsite
senioritySenior Level
money$150K/yr - $210K/yr
date5+ years exp

Peak Energy is a pioneering company focused on advancing Sodium-Ion battery systems for renewable energy storage. They are seeking a Systems Modeling Engineer to join their Energy Storage Systems team, responsible for developing detailed models, optimizing system design, and collaborating closely with various engineering teams.

EnergyEnergy StorageRenewable Energy
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H1B Sponsor Likelynote

Responsibilities

Define system and component design direction and requirements by developing detailed models of energy storage systems across operating modes and external conditions, including battery modules and power electronic components
Identify key performance indicators and optimize system design to enhance these metrics
Validate models with experimental data and refine them based on test results
Tireless exploration, both broadly and deeply, and clear communication of assumptions, inputs and findings
Define and spearhead selection and development of tools, infrastructure and design practices
Interface tightly with design, test, validation and manufacturing engineering partners to inform design decisions
Drive and participate in a culture of rapid prototyping and testing
A great team spirit and get-it-done attitude. No job is too big or too small

Qualification

Electrical engineeringThermal engineeringMATLAB/SimulinkPower systemsPythonHigh voltage battery systemsPower electronicsPrototyping experienceCommunication skillsTeam spiritProblem-solving

Required

Bachelors or Masters degree in Mechanical, Electrical, Systems Engineering or related field
5-10 years of experience working with power systems
Strong electrical and thermal engineering fundamentals
Extensive use of MATLAB/Simulink or Python
Familiarity with high voltage battery systems or power electronics
Experience with design and manufacturing of medium to high volume products
Hands on prototyping, validation and testing experience
Passion for renewable energy, sustainability, and driving positive environmental impact through technology innovation
Eligible to work in the U.S

Preferred

High voltage battery and power electronics experience
Utility-scale energy storage systems experience
Supervisory control simulation experience

Benefits

Flexible time off
Comprehensive medical, dental, and vision coverage
A strong 401(k) plan
Equity opportunities

Company

Peak Energy

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Peak Energy is a pioneering firm that is industrializing sodium-ion to expedite the shift to renewable energy.
dateFounded in 2023
location
Denver, Colorado, USA
people-size51-200 employees
web-link
https://www.peakenergy.com

H1B Sponsorship

Peak Energy has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (5)
2024 (4)

Funding

Current Stage
Growth Stage
Total Funding
$65M
Key Investors
Xora Innovation
2024-07-17Series A· $55M
2023-10-04Seed· $10M

Leadership Team

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Landon Mossburg
Founder & CEO
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Recent News

Clean Technica
Coal-Killing Sodium-Ion Energy Storage Is Coming To Kill Your Coal Power Plants
2025-11-16
Energy-Storage.News
US sodium-ion startup Peak Energy deploying 720MWh BESS for Jupiter Power, with 4GWh under reservation
2025-11-15
altenergymag.com
Peak Energy Signs 4.75 GWh Contract with Jupiter Power for Industry-Leading Sodium-Ion Battery Storage Systems
2025-11-14
Company data provided by crunchbase