Testing Systems Engineering

Reports To: Senior Staff Thermal Engineer

Position Type: Full-time

About Peak Energy
Peak Energy is the first American venture to advance globally proven Sodium‑Ion battery systems as the storage standard for the new era of renewable energy on a resilient grid.

Our leadership team is powered by decades of expertise in scaling gigawatt‑level innovation at world‑class companies such as Tesla, Northvolt, Apple, Powin, Enovix, Zipline, Solid Power, and Fluence. We are backed by strategic investment and product partners such as TDK Ventures and Eclipse Ventures.

We are a team of engineers, operators, entrepreneurs, and partners driven by a shared ambition to set the new performance standard for renewable energy and grid resilience.

About the Role - Systems Modeling Engineer
Peak Energy is looking for a Systems Modeling Engineer to join our Energy Storage Systems (ESS) team and work at the forefront of the development of our gigawatt‑scale energy storage systems. This role will leverage deep expertise to drive major thermal and electrical architectural decisions and dive into key electrical and battery component simulation.

You will work closely with design, test, validation, manufacturing engineering, and leadership to navigate our products' development — exploring broadly and diving deeply with a drive for rigorous optimization, meticulous documentation, and clear communication of findings.

Define system and component design direction and requirements by developing detailed models of battery 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

Drive and participate in a culture of rapid prototyping and testing

Bachelor's or master's degree in Mechanical, Electrical, Systems Engineering, or a related field

5-10 years of experience working with power systems (non‑academic)

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

High voltage battery and power electronics experience

Utility‑scale energy storage systems experience

Peak Energy is committed to building a diverse and inclusive workforce. We strongly encourage women, people of color, and individuals from underrepresented groups to apply. Focus on the goal, don't sacrifice quality.

Flexible time off

Comprehensive medical, dental, and vision coverage

Equity opportunities

Join us to thrive in a supportive environment while making a meaningful impact in the energy sector!

At Peak Energy Technologies Inc., We welcome people who represent diversity in their backgrounds, ethnicities, cultures, and experiences. Peak Energy Technologies Inc. is an equal opportunity employer, aiming to reach our company's full potential by cultivating an inclusive workforce. We do not discriminate on the basis of race, color, ancestry, religion, national origin, sexual orientation, citizenship, marital or family status, disability, gender identity or expression, veteran status, or any other legally protected status.

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