CareerPlan

Battery Systems Engineer

Costa Mesa, CA (OC-00)Full-time$142k–$188k2026-11-09 → 2026-11-10
Security clearance required

Core

Design, develop, and integrate energy storage subsystems (ESS) for defense and aerospace applications, managing architecture, thermal management, and system bring-up.

Role type

Senior IC battery systems engineer

Builds

Energy storage systems (ESS) for military and allied capabilities

Domain

Defense / Aerospace / Energy Storage

Required skills

Energy storage system architecture, thermal management, battery management systems, battery characterization, vendor evaluation, root cause analysis, UN38.3/NAVSEA S9310 safety standards, test equipment operation

Preferred skills

MIL-STD-882, MIL-STD-810, MIL-STD-704, MIL-STD-461, MIL-STD-464

Technologies

Oscilloscopes, logic analyzers, thermal chambers, current-probes, automation tools

Responsibilities

Develop ESS architecture including venting, thermal management, shielding, and interconnects; Perform ESS bring-up, testing, debugging, and integration; Collaborate on mission profile constraints; Evaluate and source ESS components from vendors; Participate in cross-discipline design reviews; Support root cause analysis in field operations

Seniority

Senior, hands-on IC