Senior Test Engineer

Title: Senior Test Engineer, ESS

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, readily available and safe, making it the leading contender in a rapidly evolving market. Our leadership team is powered by decades of expertise in 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.

We are looking for a Senior Test Engineer to support our testing and functional verification efforts for our energy storage systems, from battery to power electronics. This role will work closely with design and simulation teams to understand risks, develop procedures, set up, run, and ultimately report on appropriate tests. Through risk analysis, testing, and data analysis/reporting, 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 to high standards.

• Lead and conduct comprehensive testing of functional, thermal, electrical (HV/LV) and mechanical systems across our energy storage product
• Develop test strategies, plans, and procedures to understand and evaluate key risks against performance, reliability, abuse/safety, and functional requirements
• Spearhead the design and acquisition of testing equipment and infrastructure
• 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.
• Perform root cause analysis on system failures and develop corrective and preventive actions to address identified issues.
• 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
• Maintain detailed records of tests, analyses, and corrective actions. Prepare reports and presentations for internal and external stakeholders.
• Drive and participate in a culture of rapid prototyping and automation
• A great team spirit and get‑it‑done attitude. No job is too big or too small.

• Bachelor's degree in Mechanical Engineering, Electrical Engineering, Aerospace Engineering, or a related field.
• 3+ years of experience in test engineering, preferably within the battery storage or renewable energy sectors. Includes relevant internships & student group projects.
• Strong understanding of electromechanical engineering first principles
• Proficiency in data processing & analysis tools
• Excellent problem‑solving skills, with the ability to think critically and act decisively.
• Strong communication skills, with the ability to present complex technical information clearly to both technical and non‑technical stakeholders.
• Ability to work collaboratively in a fast‑paced, dynamic environment.
• Proactive ownership mindset with a strong sense of accountability.

The salary range for this role is $140,000 - $180,000, with actual pay varying based on work location, experience, and skills. Our competitive benefits package includes flexible time off, comprehensive medical, dental, and vision coverage, a strong 401(k) plan, and 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 believe that a diverse and inclusive workplace makes us a more capable, innovative, and competitive company. 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.