Senior Mechanical Design Engineer

About the Job

Peak Energy is looking for an experienced Mechanical Design Engineer to join our Energy Storage Systems (ESS) team and work on complex electro-mechanical designs of our utility-scale sodium-ion energy storage systems (ESS). The Mechanical Design Engineer will be responsible for mechanical system and component designs and will work with other design, analysis, manufacturing and program teams both at the high level in design direction and deep in the engineering implementation.

This person is hands-on, highly motivated and autonomous.

• Strong design ownership of Peak's High Voltage ESS mechanical systems from architecture through continuous improvement
• Define product design direction by meticulously exploring broadly and deeply, while trading and communicating design decisions
• Focus on design areas of need, which may include: high voltage distribution, battery control systems, and power electronics
• Develop and manage sub-system and component requirements
• Interface tightly with partners such as thermal and structural analysts and other design functions to inform design decisions
• Drive and participate in a culture of rapid prototyping and testing
• Support validation of Peak products from concept through field deployment
• Ensure a smooth transition from maturing product to mass production
• A great team spirit and get-it-done attitude. No job is too big or too small.

• Bachelors or Masters degree in Mechanical Engineering or related field
• Mastery of mechanical and thermal engineering fundamentals
• Conversant in power electronics and electrical fundamentals
• Extensive use of commercial CAD and PLM software (CATIA or NX)
• Familiarity with FEA/CFD and other common CAE practices
• Familiarity with high voltage battery system or power electronics design
• 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.

• 3+ years of experience working with HV batteries or power electronics
• Product design experience with high volume automated manufacturing requirements

• Speed Through Focus:
  Prioritize what matters most and execute quickly without distractions.
• Mission Over Self:
  Put the company's mission and team success ahead of individual interests.
• Face the Brutal Truth:
  Embrace honesty, even when it's uncomfortable, to make informed decisions.
• Be a Good Person:
  Treat everyone with respect and integrity, fostering a positive and ethical work environment.

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.

Peak Energy Technologies Inc. is an equal opportunity employer. We believe that a diverse and inclusive workplace makes us a more capable, innovative, and competitive company. 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.

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.