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Salary: USD 130,000 - 140,000 / annual
Sparkz is building battery energy storage systems (BESS) for the grid as part of its mission to establish a US-produced lithium-ion battery ecosystem. As a Senior Mechanical Design and Systems Engineer, you will be a key member of the systems integration team responsible for designing, documenting, and developing the BESS portfolio from the ground up.
Key Responsibilities:
- Model BESS designs from component level to completed system using Fusion 360, Solidworks, or equivalent CAD software, with emphasis on design for manufacturability, design for cost, and other DFx principles
- Lead systems engineering of thermal management and fire suppression systems
- Create build-to-print drawings and technical documentation for mechanical and thermal management components for prototype manufacturing
- Conduct hands-on prototype assembly and oversee manufacturing processes in the plant environment
- Develop and implement component and sub-system validation and testing plans
- Develop strategies to streamline component manufacturing and scale prototype processes to production levels
- Collaborate cross-functionally with R&D, process, and quality teams
Work Environment:
Full-time, exempt position based on-site in both office and manufacturing environments in Sacramento, California. Safety-sensitive role requiring PPE use in certain plant areas and adherence to safety protocols. May require occasional travel to vendor sites.
Requirements:
- Minimum 8–10 years of product design and scale-up experience in aerospace, defense, semiconductor, battery development, fuel cell, or related product design/development and manufacturing environments
- Experience in thermodynamics or fluid dynamics (required)
- Experience with hand tools, testing and validation tools; CNC milling, advanced manufacturing, and electronics experience is a plus
- Bachelor's degree in Mechanical Engineering, Mechatronics, or closely related field (advanced degree preferred)
- Proven commitment to safety protocols, including PPE use, hazard communication, and chemical handling procedures
- Strong data analysis and documentation skills
- Proficiency in Microsoft Office Suite (Excel, Word, PowerPoint)
- Excellent communication, problem-solving, and organizational skills
- Ability to work independently and collaboratively in cross-functional teams
Note: This position is safety-sensitive and subject to pre-employment drug screening and background check. Employment is at-will.
