Dev/Research Engineer 3 (Power Conversion Test Engineer)

Cullerton Group; Mossville (IL); On-site; USD 59,099 - 84,171; Full time

Benefits offered by this job

Health insurance

Vision insurance

Dental insurance

401k

Holiday pay

Job summary

A leading engineering firm located in Mossville, IL, is seeking a Power Conversion Test Engineer to execute validation tests for advanced electrification systems. This hands-on role involves critical tasks including the development and execution of hardware test plans, data analysis, and ensuring compliance with safety standards. Candidates must have a Bachelor's degree in Mechanical or Electrical Engineering and 2–7 years of hardware testing experience. This full-time onsite role offers competitive compensation of up to $52/hr and full benefits.

Qualifications

• 2–7 years of relevant hardware testing experience, including internships.
• Experience with hardware validation testing; software-only testing not accepted.
• Strong data analysis skills needed.

Responsibilities

• Execute hardware validation test plans in a lab environment.
• Perform testing on high-voltage power conversion systems.
• Conduct data analysis and prepare test summaries and reports.

Skills

Data analysis

Commitment to safety

Collaboration

Education

Bachelor’s degree in Mechanical or Electrical Engineering

Job description

Cullerton Group has a new opportunity for a Dev/Research Engineer 3 (Power Conversion Test Engineer). The work will be done onsite full-time in Mossville, IL. This is a 6-month position with the potential for extension based on performance and business needs. Compensation is up to $52/hr + full benefits (vision, dental, health insurance, 401k, and holiday pay).

Job Summary

Cullerton Group is seeking a hands‑on Power Conversion Test Engineer to support validation testing of advanced electrification and power conversion systems in a laboratory environment. This role focuses on executing detailed hardware test plans, analyzing data, and ensuring test quality and safety compliance. The engineer will collaborate closely with validation and lab support teams to evaluate technical risks and support development of cutting‑edge modular power conversion products used in next‑generation energy and AI data center applications. Safety is the highest priority in this role.

Key Responsibilities

• Execute detailed hardware validation test plans in a lab environment
• Submit detailed test resource requests 1–2 weeks prior to execution (instrumentation, voltage, power levels, etc.)
• Perform hands‑on testing of high‑voltage power conversion systems
• Ensure all data quality documentation and processes are followed before and during testing
• Conduct data analysis and prepare post‑test summaries and reports
• Submit continuous improvement ideas to enhance safety, quality, and test efficiency
• Adhere strictly to all lab safety protocols and PPE requirements

Required Qualifications

• Bachelor’s degree in Mechanical or Electrical Engineering
• 2–7 years of relevant hardware testing experience (internships accepted if directly applicable)
• Experience executing hardware validation testing (software‑only testing will not be considered)
• Strong data analysis skills
• Demonstrated commitment to safety in a lab or test environment
• Ability to work onsite full‑time in Mossville, IL

Preferred Qualifications

• Experience testing chargers, inverters, high‑voltage systems, engines, drivetrains, or other complex electromechanical systems
• Experience ensuring test data quality and documentation compliance
• Strong collaboration and communication skills with engineering peers

Why This Role?

This position offers the opportunity to test cutting‑edge electrification and power conversion technologies supporting high‑performance energy and AI infrastructure applications. You will work in a collaborative lab environment focused on safety, technical excellence, and innovation. Cullerton Group provides a professional environment with growth potential and a strong partnership supporting world‑class engineering and product development.