Power Systems Integration Engineer - 27132

HII's Mission Technologies division • Oak Ridge, TN

19h

About The Position

HII, Mission Technologies has an opportunity available for a Power Systems Integration Engineer located in Knoxville, TN.

The Engineer will be responsible for assembling, integrating, testing, and troubleshooting high‑power Power and Energy Systems (PES) used in modular microgrids and advanced load applications.The role ensures that system designs translate into safe, functional, and production‑ready hardware. Ideal applicants will be comfortable working in a lab, industrial, or high-bay environments, have a strong troubleshooting mindset and attention to detail, and able to work with incomplete or evolving requirements.

Requirements

• 2 years relevant experience with Bachelors in related field; or 0 years experience with Masters in related field.
• Experience with high‑power electrical systems (10 kW and above).
• Understanding of: AC and DC power systems Power converters (rectifiers, inverters, DC‑DC) Energy storage systems (batteries, supercapacitors) 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.
• Clearance: Ability to obtain and maintain a secret level security clearance.

Responsibilities

• 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.
• Support MOSA‑aligned architectures to maintain modularity and component interchangeability.
• Coordinate pre‑charge, contactor sequencing, and safe bring‑up of high‑voltage and low‑voltage buses
• 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.
• Conduct FAT, integration testing, fault insertion, and regression testing.
• Verify performance against electrical, thermal, and control requirements.
• Diagnose hardware, wiring, firmware, and controls issues during bring‑up and testing.
• Perform structured root‑cause analysis and implement corrective actions.
• Validate fixes through re‑test and document findings for internal and customer use.
• Create and maintain wiring diagrams, one‑line diagrams, test reports, and as‑built documentation.
• Support configuration management of hardware, firmware, and test setups.
• Provide feedback to design teams to improve manufacturability, testability, and system robustness.
• Follow and enforce high‑voltage and high‑energy electrical safety procedures.
• Support compliance with applicable military, industrial, and laboratory safety standards.
• Participate in hazard analysis and risk‑mitigation activities.

Benefits

• HII is more than a job - it’s an opportunity to build a new future. We offer competitive benefits such as best-in-class medical, dental and vision plan choices; wellness resources; employee assistance programs; Savings Plan Options (401(k)); financial planning tools, life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post-secondary education scholarships.
• Bonus/other non-recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level