R&D Test Technician

Job Description

The R&D Test Technician is responsible for validating the functionality, reliability, and compliance of EG4 inverters, batteries, and ESS products. This role requires operating at a Test Engineer level: designing tests, identifying bugs, driving root‑cause analysis, and ensuring issues are resolved before release.

• Test inverters, batteries, and ESS in grid‑tied, off‑grid, and hybrid applications.
• Design and run test plans for firmware updates, features, and compliance validation.
• Identify, reproduce, and document firmware/hardware bugs; verify fixes with engineering.
• Perform stress testing, accelerated life testing, and real‑world simulation.
• Maintain clear test reports, regression logs, and documentation.
• Support certification testing (UL 1741, UL 1973, UL 9540/9540A, IEC 62109).
• Provide usability and installer feedback for product improvements.
• Mentor junior technicians on safe practices and structured debugging.

• Associate’sdegree, technical diploma, or equivalent in Electrical Engineering, Renewable Energy, or related field.
• 3+ years’ experience testing power electronics, inverters, or battery systems.
• Strong knowledge of AC/DC systems, grounding, and safety protocols.
• Experience with firmware testing and debugging (e.g., Modbus, BMS communication).
• Proficiency with oscilloscopes, multimeters, load banks, and test equipment.
• Familiarity with UL/IEC safety standards is preferred.
• Strong problem‑solving and documentation skills.

• Technician with an engineer’s mindset.
• Hands‑on, detail‑driven, and proactive.
• Thrives in fast‑moving R&D environments.

• This position may require the ability to perform tasks that involve standing, walking, lifting 50+ lbs , bending, stooping, computer work, working with live electricity, and other physical activities. Candidates should be able to meet these physical demands with or without reasonable accommodations.

EG4 Electronics is an equal opportunity employer and administers all personnel practices without regard to race, color, religious creed, sex, gender, age, ancestry, national origin, mental or physical disability or medical condition, sexual orientation, gender identity or expression, marital status, military or veteran status, genetic information, or any other category protected under federal, state, or local law.