Associate Mechanical Engineer - Energy Storage

Position Summary

The Associate Mechanical Engineer is responsible for the design, development, testing, validation, and continuous improvement of lithium-ion battery energy storage systems used in critical power applications. This role leads mechanical engineering efforts related to battery cabinet design, thermal management systems, structural analysis, prototype development, and product validation testing.

The successful candidate will collaborate with cross-functional teams including electrical, manufacturing, quality, compliance, and supply chain engineering to deliver innovative, reliable, and cost-effective energy storage solutions. This position supports both new product development and sustaining engineering initiatives throughout the product lifecycle.

Key Responsibilities

• Lead the design and development of battery cabinets, mechanical assemblies, and structural components for energy storage products.
• Create, review, and release 3D CAD models, engineering drawings, and design documentation.
• Support prototype builds and engineering validation testing activities.
• Perform thermal, structural, and vibration analysis of battery energy storage systems.
• Lead design reviews and document action items and engineering recommendations.
• Evaluate and select mechanical components, fasteners, busbar supports, and enclosure hardware.
• Collect, organize, and analyze test data from laboratory and field testing activities.
• Support root cause investigations and corrective actions related to mechanical design issues.
• Collaborate with suppliers and manufacturing teams to support component qualification and design improvements.
• Drive sustaining engineering activities, including evaluation of alternate materials and components.
• Support compliance and certification activities associated with industry standards and product safety requirements.
• Maintain laboratory safety and follow all company engineering and testing procedures.

Required Qualifications

• Bachelor's degree in Mechanical Engineering or a related engineering discipline.
• 1-3 years of mechanical design experience.
• Basic understanding of mechanical design principles and engineering fundamentals.
• Experience with 3D CAD software (SolidWorks, Creo, Inventor, or similar).
• Strong analytical and problem-solving skills.
• Effective written, verbal, and interpersonal communication skills.
• Proficiency with Microsoft Office applications, including Excel and PowerPoint.
• Ability to work both independently and in a team environment.

Preferred Qualifications

• Sheet metal design and fabrication
• Structural analysis and finite element analysis (FEA)
• Thermal management and heat transfer
• Product design and development
• Mechanical testing and instrumentation
• Battery energy storage systems
• Manufacturing processes and design for manufacturability (DFM)
• Geometric Dimensioning & Tolerancing (GD&T)
• Creo Parametric, SolidWorks, or equivalent CAD software
• ANSYS, Creo Simulation, or equivalent analysis software

Physical & Environmental Requirements

• Ability to work in laboratory, manufacturing, and warehouse environments.
• Ability to occasionally lift up to 25 lbs.
• Ability to safely work around prototype equipment and energized systems under supervision.
• Ability to stand and walk for extended periods during testing and prototype build activities.