Senior Mechanical Engineer

Job Purpose

As a Senior Mechanical Engineer professional, you will lead, organize and contribute to the design and development activities of batteries, chargers and other complex energy storage-based systems. Your technical expertise in designs of injection molding and sheet metal part is required.

• Work closely with management, electrical engineers, drafters, technicians, and manufacturing personnel to design, and develop new products.
• Utilize Solid Works to generate designs of systems, assemblies, and components.
• Generate comprehensive technical drawings and schematics for mechanical systems and components while working within the configuration control systems ensuring accuracy, consistency.
• Develop sources for mechanical system components.
• Perform structural and thermal analyses on designs.
• Provide expert leadership and troubleshooting for the construction and refinement of battery system prototypes to production.
• Facilitate the seamless transition of new battery products from the prototype stage to full-scale production.
• Engineer specialized fixtures and assembly aids tailored for battery production, optimizing manufacturing processes and ensuring product quality.
• Identify and resolve technical issues within the supply chain.
• Engage in the creation and refinement of project proposals, ensuring technical accuracy, compliance with client requirements, and alignment with organizational goals.
• Mentor junior engineers and support team development.

• Bachelor’s degree in Mechanical Engineering, a Master’s degree is preferred.
• Minimum of 10+ years hands‑on experience developing products and working in an engineering production department.
• Experience and high proficiency with Solid Works.
• Must possess experience in metal and plastic injection molding.
• Battery packaging experience a plus.
• Strong knowledge of mechanical engineering principles, materials, and processes.
• Experience mentoring and developing engineering team.
• Excellent communication, problem‑solving, and decision‑making skills.
• Strong Customer/Client focus, technical capacity and discretion.

Ener Sys provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

We use artificial intelligence to screen, assess and select applicants for open positions, including for the purposes of reviewing and ranking application materials and scoring answers to application questions. Accordingly, decisions about your application and eligibility for employment with Ener Sys may be made based exclusively on the automated processing of the personal information that you submit in your application materials.

Nearest Major Market: Long Island
Nearest Secondary Market: New York City