Battery Systems Engineer

EPG; Kansas City (MO); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Relocation assistance

Fully paid healthcare

Strong 401(k) match

Job summary

EPG is seeking a Battery Systems Engineer to lead the design of an 800V stationary battery pack and energy-storage system from architecture through production. You will own pack architecture, cell configuration, safety and BMS integration, and drive validation efforts.

Requires a BS in engineering and 5+ years in battery pack or BMS design, with experience in high-voltage Li-ion systems and safety testing. Onsite in the Pacific Northwest with relocation support available.

Qualifications

• BS in Electrical, Mechanical, or Chemical Engineering required
• 5+ years of battery pack or BMS design experience
• Experience with high-voltage (400V+) Li-ion pack design, module architecture, and BMS integration
• Battery safety testing and abuse testing experience
• Preferred: stationary ESS experience (UL 9540/UL 9540A), concept-to-first-production, and high-energy-density chemistries like NMC/Silicon

Responsibilities

• Own 800V stationary battery pack and ESS design: architecture and cell configuration
• Set cycle-life, calendar-life, and thermal targets for high uptime
• Own pack-level safety architecture and abuse tolerance
• Define BMS requirements and interfaces to converter and rack controls
• Drive pack-level validation and testing

Skills

Battery pack design

BMS design

High-voltage design

Battery safety testing

System integration

Education

BS in Electrical/Mechanical/Chemical Engineering

Job description

EPG is currently seeking a Battery Systems Engineer for one of our partners that is an established high-voltage battery and power-electronics company bringing technology proven in demanding, high-reliability applications to a new backup-power product for AI data centers. In this position, you will own the design of a new 800V stationary battery pack and energy-storage system from architecture through first production.

Responsibilities

• Own 800V stationary battery pack and ESS design: pack architecture and cell configuration.
• Set cycle-life, calendar-life, and thermal targets for continuous high-uptime duty.
• Own pack-level safety architecture and abuse tolerance.
• Define BMS requirements and interfaces to the converter and rack controls.
• Drive pack-level validation and testing.

Required Qualifications

• BS in Electrical, Mechanical, or Chemical Engineering.
• 5+ years of battery pack or BMS design.
• High-voltage (400V+) Li-ion pack design, including module architecture and BMS integration.
• Battery safety and abuse testing.

Preferred Qualifications

• Stationary ESS experience with UL 9540 / UL 9540A.
• Concept-to-first-production experience.
• NMC / Si or other high-energy-density chemistries.

This role is onsite in the Pacific Northwest. Must be able to work in the United States without sponsorship (US Persons only, export-control requirement).

Benefits

• Competitive salary, relocation assistance, fully paid healthcare, and a strong 401(k) match.
• Own a clean-sheet 800V battery system built on proven high-voltage battery technology.
• Shape the core of a brand-new datacenter product line.