System Integration and Test Engineer

Job Title: System Integration and Test Engineer

Reports To: Senior Manager, Test Engineering

Position Type: Full-time

About the Company:

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.

Sodium-Ion is cheap, readilyavailableand safe, making it the leading contender in a rapidly evolving market.

Our leadership team is powered by decades ofexpertisein scaling gigawatt-level innovation at world-class companies such as Tesla,Northvolt, Sun Power, Fluence, and Enovix. 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 – System Integration and Test Engineer

Peak Energy is looking for a System Integration and Test Engineer to join our Energy Storage Systems (ESS) team and own integration testing and functional verification efforts for our energy storage systems, from batteries to power electronics. This role will work closely with firmware, design, and simulation teams to understand needs, develop procedures, setupandrunandultimately reportonappropriate tests. Through testing, you will play a key role in informing the design direction of the product.

This person is a self-starter who is hungry for knowledge and holds themselves and others tohigh standards.
We are open to all levels.

What You’ll Do (Responsibilities):

• Ownand conduct comprehensive testing of functionalsystems for BMS,inverters,and other systems across our energy storageproduct.
• Design, implement, andvalidateHILand benchtoptest systems for real-time simulation and validation of our BMS.
• Develop, execute, verify, and document test scripts, automation, andHILsystems.
• Create andmaintainautomated test scripts to enhance testing efficiency and accuracy.
• Develop test strategies, plans, and procedures across systems, from electrical to mechanical systems.
• Collaborate with engineering teams to ensure design integrity and improvements.
• Analyze complex test data, report findings, and drive system enhancements.
• Identify, diagnose, and resolve intricate technical issues during testing.
• Mentor junior engineers and contribute to team skill enhancement.
• Drive innovation in testing methodologies and practices.
• Interface tightly with design,simulation and manufacturing engineering partners to inform design decisions.
• Drive andparticipatein a culture of rapid prototyping and testing.
• A great teamspirit andget-it-done attitude. No job is too big or too small.

What You ll Bring (Qualifications):

• Bachelor s or Master s degree in Electrical Engineering, Computer Engineering, or a closely related field.
• Experience interfacing with microcontrollers and writing scripts for functional testing.
• Ability to architect,procure, assemble, andoperateelectromechanical automated test setups.
• Proficiency in Python or similar
• Passion for renewable energy, sustainability, and driving positive environmental impact through technology innovation.
• Eligibility to work in the U.S.

Preferred Qualifications:

• High voltage battery and power electronics experience.
• In-depth knowledge of battery management systems (BMS) architecture and implementation
• Utility-scale energy storage systems experience.
• Experience developing hardware-in-the-loop (HIL) test systems
• 3+ years of experience in testing high voltage systems, preferably in power electronics or batteries.

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. We value skills, potential, and perspective over specific credentials. Ifyou’reexcited about this role but your experiencedoesn’tlook perfect on paper, we still want to hear from you.

Our Core Values

• Speed Through Focus
  - Move fast but understand why. Focus on the goal,don t sacrifice quality.
• Mission Over Self
  - It sabout the greater good; confident humility. Take ownership and accountability.
• Face the Brutal Truth
  - Transparency, honesty,…