Senior Mechanical Engineer - Battery Systems Lead

Bren-Tronics Defense LLC; Commack (NY); On-site; USD 120,000 - 170,000; Full time

Job summary

EnerSys Advanced Systems, a Bren-Tronics division, seeks a Senior Mechanical Engineer to drive the design of high‑energy storage systems. You will lead mechanical development for batteries, chargers, and complex modules, emphasizing injection‑m molded and sheet‑metal components for reliability and manufacturability.

You’ll mentor engineers, collaborate with cross‑functional teams, and optimize production transitions from prototype to full scale. Strong SolidWorks skills required.

Qualifications

• Bachelor’s degree in Mechanical Engineering; Master’s preferred.
• 10+ years hands-on product development in engineering/production.
• Proficiency with SolidWorks.
• Experience in metal and plastic injection molding.
• Battery packaging experience a plus.
• Strong knowledge of mechanical engineering principles and materials.
• Experience mentoring engineering teams.
• Excellent communication and problem-solving skills.

Responsibilities

• Collaborate with management, electrical engineers, drafters, technicians, and production teams to design and develop new products.
• Use SolidWorks to design systems, assemblies, and components.
• Produce comprehensive drawings and schematics for mechanical systems within change-control processes.
• Source mechanical system components.
• Perform structural and thermal analyses on designs.
• Provide leadership and troubleshoot battery system prototypes to production.
• Facilitate smooth transition of new battery products from prototype to production.
• Engineer fixtures and aids for battery production to optimize processes and quality.
• Identify and resolve technical issues across the supply chain.
• Contribute to project proposals, ensuring technical accuracy and client alignment.
• Mentor junior engineers and support team development.

Skills

SolidWorks

Injection molding (metal & plastic)

Battery packaging experience

Mentoring engineers

Communication skills

Thermal/structural analysis

Education

Bachelor’s degree in Mechanical Engineering

Master’s degree preferred

Tools

SolidWorks

Job description

EnerSys Advanced Systems, a Bren-Tronics division, seeks a Senior Mechanical Engineer to drive the design of high‑energy storage systems. You will lead mechanical development for batteries, chargers, and complex modules, emphasizing injection‑m molded and sheet‑metal components for reliability and manufacturability.

You’ll mentor engineers, collaborate with cross‑functional teams, and optimize production transitions from prototype to full scale. Strong SolidWorks skills required.