Careers · Engineering & Operations

Quality Engineer

Oakdale, Minnesota Full-time, on-site Reports to the VP, Product & Engineering

DMX Power seeks a hands-on Quality Engineer to strengthen product and manufacturing quality across its inverter, inverter/charger and power electronics portfolio. This role connects Engineering, Operations, Supply Chain and Customer Support to resolve defects, qualify changes, improve supplier performance and ensure consistent product releases.

Key responsibilities

Product & manufacturing quality

  • Investigate production defects, test failures and nonconforming materials; coordinate containment, disposition and corrective actions.
  • Monitor first-pass yield, line fallout, scrap and rework; develop practical inspection criteria and acceptance standards.
  • Support first-article inspection, manufacturing process qualification and production readiness for new or revised products.
  • Lead structured investigations of internal failures, field issues and returned products (RMAs), partnering with technicians for failure analysis.
  • Document root causes and drive corrective/preventive actions using 5 Why, fishbone or 8D; verify effectiveness and prevent recurrence.
  • Identify systemic quality trends and communicate findings to Engineering and Operations.
  • Participate in design reviews and engineering-to-production handoffs; verify test plans, inspection needs and release documentation.
  • Support ECOs, deviations, controlled work instructions and traceability of approved product changes.
  • Investigate supplier component defects; coordinate supplier corrective actions, incoming inspection and qualification activities.
  • Maintain quality records, inspection reports and corrective-action evidence; support audits and applicable UL/CSA requirements, including UL 458 where relevant.
  • Improve manufacturing quality processes and help reduce warranty claims, repeat failures and cost of poor quality.

Qualifications

What you bring

Required

  • Bachelor’s degree in Engineering, Engineering Technology or related technical discipline; 2–5 years in quality, manufacturing or related engineering.
  • Experience with electrical/electronic assemblies, PCBAs or electromechanical products; ability to interpret drawings, schematics and specifications.
  • Working knowledge of root cause analysis, corrective actions, inspection practices and technical documentation.
  • Strong analytical and communication skills; willingness to work hands-on in manufacturing and laboratory settings.

Preferred

  • Power electronics, inverters or chargers; UL 458 or other product safety standards; ISO 9001; IPC workmanship standards.
  • FMEA, control plans, SPC, Lean Six Sigma, supplier quality and use of common electrical test equipment.

Success measures

How the role is judged

Improved first-pass yield; fewer production and supplier defects; lower repeat RMAs and warranty failures; timely and effective corrective-action closure; quality readiness of new products.

DMX Power LLC