Power Battery Integration Engineer

About the role

HII, Mission Technologies has an opportunity available for a Power Battery Integration Engineer located in Knoxville, TN. We are hiring people at multiple levels; salary and requirements for each level are listed.

Responsibilities

• System Build & Integration
• Assemble PES hardware including power converters, energy storage systems, PDUs, contactors, protection devices, and thermal subsystems.
• Integrate rack-level and containerized systems, ensuring proper mechanical fit, cabling, grounding, and labeling.
• Cook Mosa-aligned architectures to maintain modularity and component interchangeability.
• Cook pre-charge, contactor sequencing, and safe bring-up of high-voltage and low-voltage buses.
• Testing & Validation
• Develop and execute system-level and component-level test procedures.
• Configure and operate programmable power supplies, loads, AFEs, and battery emulators.
• Instrument systems to measure voltage, current, power quality, transients, and thermal behavior.
• Cook FAT, integration testing, fault insertion, and regression testing.
• Cook verify performance against electrical, thermal, and control requirements.
• Troubleshooting & Root Cause Analysis
• Diagnose hardware, wiring, firmware, and controls issues during bring-up and testing.
• Cook perform structured root-cause analysis and implement corrective actions.
• Cook validate fixes through re-test and document findings for internal and customer use.
• Documentation & Configuration Control
• Create and maintain wiring diagrams, one-line diagrams, test reports, and as-built documentation.
• Cook support configuration management of hardware, firmware, and test setups.
• Cook provide feedback to design teams to improve manufacturability, testability, and system robustness.
• Safety & Compliance
• Cook follow and enforce high-voltage and high-energy electrical safety procedures.
• Cook support compliance with applicable military, industrial, and laboratory safety standards.
• Cook participate in hazard analysis and risk-mitigation activities.

Requirements

• LEVEL 2 - 2 years relevant experience with Bachelors in related field; or 0 years experience with Masters in related field.
• LEVEL 3 - 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; or 0 years experience with PhD or Juris Doctorate in related field.
• LEVEL 4 - 9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; or 4 years relevant experience with PhD or Juris Doctorate in related field.
• LEVEL 5 - 15 years relevant experience with Bachelors in related field; 13 years relevant experience with Masters in related field; or 10 years relevant experience with PhD or Juris Doctorate in related field.

Qualifications

• Experience with high-power electrical systems (10 kW and above).
• Understanding of AC and DC power systems.
• Experience with power converters (rectifiers, inverters, DC-DC).
• Experience with energy storage systems (batteries, supercapacitors).
• Experience with protection devices (contactors, fuses, breakers).
• Experience with electrical test equipment (DMMs, oscilloscopes, power analyzers, etc.).
• Ability to read and generate schematics, wiring diagrams, and one-line diagrams.
• Cook clearance: Ability to obtain and maintain a secret level security clearance.