Job Title: Senior Product Design Engineer (Energy Storage)
Location: Grand Prairie, TX (DFW)
Department: Engineering / Product Development
Employment Type: Full-Time, Onsite
Salary: $150K–$175K
Who We Are:
MPI Energy is a global leader in battery technologies, specifically valve-regulated lead-acid (VRLA) and lithium-iron-phosphate (LFP) batteries. Headquartered in Grand Prairie, Texas, we provide innovative backup power and energy-storage solutions across critical markets, including:
- Critical Power: Supporting data centers and uninterruptible power supply (UPS) applications.
- Reserve Power: Serving telecom and CATV base stations, as well as outside-plant sites.
- Battery Energy Storage Systems (BESS): Focusing on utility-scale and commercial & industrial solutions.
At MPI Energy, we are committed to delivering high-quality, turn-key integrated systems and modular components tailored to meet our customers' diverse needs. Our team values collaboration, innovation, and excellence, fostering a supportive environment that empowers every employee to contribute to a sustainable energy future.
Job Summary:
We are seeking a highly skilled Lithium Battery Product Engineering Designer with strong 3D CAD expertise and an electromechanical engineering background to support the design, development, and commercialization of advanced lithium-ion battery systems. This role is responsible for creating innovative, manufacturable, and compliant battery pack designs, integrating electrical, mechanical, and thermal systems into robust product solutions.
Key Responsibilities:
- Design and develop lithium-ion battery modules and packs, including enclosures, interconnects, busbars, and mounting systems
- Create detailed 3D CAD models and assemblies
- Generate 2D drawings, GD&T, BOMs, and manufacturing documentation
- Collaborate with electrical engineers on cell selection, BMS integration, and wiring architecture
- Perform thermal and structural design considerations
- Support prototype builds, testing, and validation
- Ensure compliance with UL, IEC, and NFPA standards
- Work with manufacturing teams to ensure DFM/DFA principles are met
- Manage engineering changes and product lifecycle documentation
- Participate in supplier selection and evaluation
Qualifications:
Required:
- Bachelor’s degree in Mechanical, Electrical, or Electromechanical Engineering
- 3–8+ years of relevant experience
- Advanced proficiency in 3D CAD modeling is a must
- Experience designing lithium-ion battery packs
- Strong understanding of materials and manufacturing processes
- Familiarity with electrical integration and BMS systems
- Knowledge of safety and compliance standards
Preferred:
- Experience with thermal simulation tools (ANSYS, COMSOL)
- Background in energy storage systems or EV batteries
- Experience with sheet metal, plastics, and injection molding
- Familiarity with IP ratings and environmental protection design
- Experience supporting UL 9540 / UL 1973 / UL 2580 compliance
Key Skills
- Electromechanical design integration
- 3D modeling and drawing standards
- Problem-solving and root cause analysis
- Cross-functional collaboration
- Attention to detail
Work Environment & Requirements
- Frequent travel to customer sites (regional or national).
- Ability to lift and move equipment (up to 50 lbs).
- Work in industrial, data center, or outdoor environments as needed.
- May require occasional after-hours or on-call support.
Key Traits for Success
- Self-starter who can work independently in the field.
- Strong customer-facing communication skills.
- Detail-oriented with a focus on safety and quality.
- Adaptable and comfortable working in fast-paced environments.
Benefits:
- 401(k)
- Dental insurance
- Flexible schedule
- Health insurance
- Paid time off
- Vision insurance
Equal Employment Opportunity Statement:
MPI Energy is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. All employment decisions are made based on qualifications, merit, and business needs. We encourage individuals from all backgrounds to apply and join our team.
Pay: $150,000.00 - $175,000.00 per year
Benefits:
- 401(k)
- Dental insurance
- Flexible schedule
- Health insurance
- Paid time off
- Vision insurance
Work Location: In person
