Electrical Engineer, Battery Systems — US-Made Innovation

Re Build; New Kensington (Westmoreland County); On-site; USD 90,000 - 130,000; Full time

Job summary

Re:Build is seeking an Electrical Engineer to lead system architecture and electrical schematic development for lithium-ion battery packs. You will select components, perform thermal analyses, and ensure HV safety and regulatory compliance across automotive, aerospace, and industrial applications.

You will collaborate with mechanical, software, and manufacturing teams from concept through validation and launch, delivering safe, high-performance modules and packs for a range of demanding

Qualifications

• 3+ years of experience in system-level design for lithium-ion battery packs or related electrical systems.
• 4+ years of engineering experience in automotive, aerospace, industrial, or related sectors.
• Strong proficiency in electrical system design and schematic capture.
• Knowledge of electronics hardware thermal management and power dissipation analysis.
• Experience with component selection and integration for high-voltage and low-voltage systems.
• Familiarity with high-voltage safety standards, EMC/EMI practices, and grounding/shielding.
• Excellent verbal and written communication skills, with the ability to explain complex technical issues clearly.
• Bachelor of Science in Electrical Engineering (or related discipline) with strong emphasis on practical application and systems design.

Responsibilities

• Develop Electrical System Architecture: Define and document high- and low-voltage distribution, interfaces, and protection systems for battery packs.
• Create Electrical Schematics: Own the schematic design of battery pack systems, including sensors, contactors, fuses, connectors, harnesses, and control electronics.
• Select and Integrate Electronics Hardware: Evaluate and specify components such as current sensors, power electronics, microcontrollers, and supporting hardware for safety, performance, and manufacturability.
• Perform Thermal & Power Dissipation Analysis: Conduct hardware heating and power dissipation calculations to ensure reliable operation across environmental and load conditions.
• Support Circuit Design & Validation: Contribute to the design, simulation, and bench testing of circuits for measurement, control, and protection.
• Ensure Safety & Compliance: Support DFMEA, functional safety (ISO 26262 or equivalent), and industry compliance requirements, including UL.
• Collaborate Across Functions: Partner with mechanical, software, program management, and manufacturing teams to integrate electrical design into robust and manufacturable products.
• Test & Debug: Develop validation test plans, analyze data, and troubleshoot electrical issues.
• Communicate Results: Prepare and present technical findings and recommendations to customers, suppliers, and internal leadership.

Skills

System design

Electrical engineering

Schematic capture

High-voltage safety

Education

Bachelor of Science in Electrical Engineering

Master of Science in Electrical Engineering

Tools

Schematic capture tools

Job description

Re:Build is seeking an Electrical Engineer to lead system architecture and electrical schematic development for lithium-ion battery packs. You will select components, perform thermal analyses, and ensure HV safety and regulatory compliance across automotive, aerospace, and industrial applications.

You will collaborate with mechanical, software, and manufacturing teams from concept through validation and launch, delivering safe, high-performance modules and packs for a range of demanding