Koolboks makes refrigeration accessible and affordable to all. Our solar-powered freezers, equipped with Pay-As-You-Go technology and offered through an innovative Cooling-as-a-Service model, enable eco-friendly and accessible refrigeration to everyone who needs it.
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We are seeking an Electronics Engineer with strong hands-on experience in pure sine wave inverters (1 kVA – 3 kVA) and power electronics, capable of supporting installation, troubleshooting, repair, and after-sales technical support across multiple inverter brands (Indian, Korean, and others).
Key Responsibilities
Diagnose, repair, and maintain pure sine wave inverters (1–3 kVA)
Work on DC–AC adapters and power conversion systems
Identify and replace faulty components (MOSFETs, IGBTs, capacitors, control boards)
Perform testing, load checks, and performance validation
Support after-sales service and prepare technical documentation
Ensure compliance with electrical and safety standards
Required Skills & Qualifications
HND/BSc in Electronics or Electrical Engineering
Strong knowledge of power electronics and inverter systems
Experience working with different inverter brands and designs
Ability to troubleshoot electronic circuits and interpret schematics
Proficiency with diagnostic tools (multimeter, oscilloscope)
Good understanding of battery systems (lead-acid and lithium)
Added Advantage
Experience with solar or hybrid inverter systems
Knowledge of SMPS, PWM control, and microcontroller-based boards
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