Project Engineer

Employer description

Peak Energy 

Job Title: Project Engineer 

Location: Burlingame, CA or Broomfield, CO 

Department: Commercial (Projects Team) 

Reports to: Director of Project 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, 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, Apple, Powin, Enovix, Zipline, Solid Power, SunPower, and Fluence. We are backed by strategic investment and product partners including TDK Ventures, Eclipse Ventures, and GM Ventures. 

We recently announced America's first sodium-ion grid storage factory in Sacramento with production starting Q1 2027, and over $1B in signed customer commitments including Jupiter Power and Energy Vault. 

About the Role - Project Engineer

As a Project Engineer, you’ll be responsible for the technical and engineering aspects of Peak’s projects. You’ll design site layouts, engage with EPCs, and ensure projects are technically sound, cost-effective, and optimized for execution. This is a highly cross-functional role — you’ll work side by side with Project Managers, Finance, and our internal cell and ESS engineering teams to drive projects from concept to commissioning 

What You'll Do (Responsibilities)

• Serve as the customer-facing, technical arm of sales and execution, acting as the bridge between Peak’s engineering teams and external stakeholders translating complex technical concepts into clear, actionable insights for customers.  

• Create and optimize site layouts, electrical designs, and conceptual engineering packages for utility-scale storage projects. 

• Manage technical due diligence, including geotechnical, environmental, and interconnection studies. 

• Partner with EPC contractors to evaluate construction methods, cost estimates, and schedules. 

• Support Project Managers in technical aspects of permitting and community engagement. 

• Review and incorporate interconnection requirements, codes, and standards into design. 

• Provide input into project financial models by translating technical assumptions into cost/performance outcomes. 

• Contribute to RFP responses and bid packages with accurate technical content. 

What You'll Bring (Qualifications) 

• Bachelor’s degree in Electrical, Mechanical, Civil Engineering, or a related field. 

• 3–7 years of experience in engineering for renewable energy or power projects. 

• Experience designing or supporting utility scale power projects
• Proficiency in site design, layout, and electrical system modeling tools including AutoCAD and Excel

• Understanding of interconnection, codes/standards, and EPC contracting process. 

• Ability to collaborate across teams and translate technical details into project decisions. 

• Strong problem-solving skills with attention to constructability and cost-effectiveness. 

• Passion for renewable energy, sustainability, and driving positive environmental impact through technology innovation. 

• Eligible to work in the U.S. 

Preferred Qualifications: 

• Experience designing or supporting utility-scale battery storage projects. 
• Experience designing, sizing and configuring utility scale BESS plants

• Knowledge of NFPA 855, UL 9540, and other relevant codes/standards. 

• Experience working directly with EPCs on constructability reviews and cost estimates. 

• Background in commissioning support, QA/QC processes, or system validation for BESS Projects. 

• Advanced degree in engineering or energy systems. 

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. If you’re excited about this role but your experience doesn’t look 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's about the greater good; confident humility. Take ownership and accountability.  

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