QA Technician at Txtlight Power Solution (Lumos Nigeria)

Lumos is a market leader in Africa in offering affordable and clean solar energy to pan-African potential market of 1.3 billion customes. It has existed since 2013 and has deployed more than 200,000 solar home systems to SMEs and retail customers.

In the last 1.5 years, Lumos has developec a new business strategy addressing both the changing customer's needs and challenges in the industry. The change in strategy is successful and has resulted in solid stream of sales. Based on this result, management has decided to expand the sales in 2024 and accelerate the growth.

We are recruiting to fill the position below:

Job Title: QA Technician

Location: Sanya, Lagos
Employment Type: Full-time

Job Summary

• The QA Technician is responsible for inspecting, testing, troubleshooting, and verifying the quality and performance of IDU’s before deployment or after repair.
• The role ensures all products meet company standards, safety regulations, and operational efficiency requirements.

Key Responsibilities

• Conduct functional and performance testing of solar system.
• Inspect repaired or newly assembled IDU’s for defects and compliance.
• Verify calibration, firmware configuration, and electrical parameters.
• Document test results, faults, and corrective actions.
• Perform burn-in and load testing procedures.
• Ensure compliance with electrical safety and quality standards.
• Support repair technicians with technical analysis.
• Maintain testing equipment and QA tools.
• Assist in root cause analysis for repeated product failures.
• Recommend improvements for product reliability and testing processes.
• Ensure all cosmetic aspect of the IDU’s and accessories are duly check before packaging

Technical Duties

• Measure voltage, current, frequency, efficiency, and waveform output.
• Test MPPT functionality, battery charging systems, and protection circuits.
• Validate inverter performance under simulated solar and load conditions.

Performance Indicators (KPIs)

• Defect detection accuracy rate.
• Testing turnaround time.
• Reduction in field failure returns.
• Compliance with QA procedures.
• Documentation accuracy.

Qualifications
Education:

• Diploma / HND / B.Sc. in Electrical Engineering, Electronics Engineering, or related field.

Experience:

• 1–3 years experience in solar, power electronics, or inverter systems testing preferred.

Required Skills:

• Strong understanding of inverter systems and power electronics.
• Troubleshooting and analytical skills.
• Attention to detail and accuracy.
• Knowledge of safety procedures in electrical testing.
• Basic computer skills for reporting and documentation.

Key Competencies:

• Problem solving
• Technical precision
• Quality focus
• Team collaboration
• Time management
• Accountability

Working Conditions:

• Workshop / Lab environment.
• May require standing for long periods.
• Possible exposure to live electrical systems (with safety protocols).

Application Closing Date
6th March, 2026.

How to Apply
Interested and qualified candidates should send their CV to: careers@lumos.com.ng using "QA Technician" as the subject of the mail.