Senior Test Engineer - Energy Storage Systems

FRANKLINWH SG PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

FRANKLINWH SG PTE. LTD. is seeking a Test Engineering Expert to establish the system test and validation framework for complete energy storage systems, including PCS, BMS, and EMS.

You will own test coverage, defect detection, and production-quality support in a fast-paced, cross-functional environment. The role requires 10+ years in power products testing, familiarity with LLC and inverter topologies, and hands-on experience in pre-compliance and certification activities to ensure grid

Qualifications

• Bachelor's degree or above in electrical engineering, new energy, automation, or related field.
• Familiarity with energy storage circuit topologies (LLC, three-level inverters).
• Knowledge of power circuit topologies and mechanical design for fault diagnosis.
• Knowledge of test principles for complete residential energy storage systems, BMS, PCS, EMS.
• Familiarity with international safety and grid-connection test standards; certification testing preferred.
• Proficiency with energy storage test equipment; ability to develop test plans and analyze data.
• Strong issue-closure skills; able to prepare testing and certification documents in English.
• Experience in test automation, test-data analysis, and test-case management.
• Familiarity with lab safety, equipment calibration, and traceability requirements.

Responsibilities

• Establish a system-level test framework for complete residential energy storage systems, PCS, BMS, and EMS.
• Lead new-product prototype testing, release regression testing, and mass-production reliability sampling.
• Develop pre-compliance test plans based on applicable international energy storage certification standards.
• Collect and analyze test data, isolate defects, issue reports and corrective actions.
• Continuously improve test processes, standards, and platforms to increase coverage and efficiency.
• Monitor changes in industry test standards and support validation of new products.
• Plan test laboratories, benches, and automation capabilities with safe-operating procedures.
• Maintain traceability from requirements to test cases and results.
• Lead root-cause analysis and coordinate corrective action across teams.

Skills

Electrical engineering

New energy

Automation

Test engineering

Energy storage

Power electronics

IPD process

Test automation

Data analysis

Education

Bachelor's degree or above in electrical engineering, new energy, automation, test engineering, or related

Job description

FRANKLINWH SG PTE. LTD. is seeking a Test Engineering Expert to establish the system test and validation framework for complete energy storage systems, including PCS, BMS, and EMS.

You will own test coverage, defect detection, and production-quality support in a fast-paced, cross-functional environment. The role requires 10+ years in power products testing, familiarity with LLC and inverter topologies, and hands-on experience in pre-compliance and certification activities to ensure grid