Senior Gas Sensor Quality & Product Engineer

Nexgense Limited; Hong Kong; On-site; HKD 900,000 - 1,200,000; Full time

Job summary

Nexgense Limited is seeking a detail-oriented Senior Product and Quality Control Engineer to ensure gas sensors and detection systems meet performance, safety, and reliability standards. You will bridge product development and manufacturing quality from prototype validation through mass production and customer acceptance.

Your role involves leading QA plans, calibration programs, and data-driven improvements while collaborating with R&D, production, and suppliers to drive manufacturability and

Qualifications

• Bachelor's/Master’s/PhD in Engineering or related technical field.
• 10+ years working experience.
• Proficient in English and/or Chinese with strong report writing and presentation skills.
• Strong knowledge of quality tools and methodologies.
• Experience with ISO 9001 QMS; auditor certification is a plus.
• Familiarity with gas sensor calibration, test benches, and reference gas handling is highly desirable.

Responsibilities

• Develop, implement, and maintain quality control plans, inspection procedures, and acceptance criteria for gas sensor products.
• Conduct incoming, in-process, and final product inspections; perform functional, calibration, and environmental testing (temperature, humidity, cross-sensitivity, drift, response/recovery time).
• Validate new products and engineering changes (NPI/ECN) through qualification testing and design transfer to production.
• Investigate nonconformities, root-cause analysis, and implement corrective and preventive actions.
• Maintain and improve the QMS in line with ISO 9001; support audits.
• Develop and maintain calibration schedules and traceability for test equipment and reference gas standards.
• Analyze quality data (SPC, FMEA, MSA) and produce regular quality reports and KPIs.
• Collaborate with R&D, production, and suppliers on design for manufacturability and supplier quality.
• Support customer technical queries, complaints, and RMA investigations.

Skills

Quality tools and methodologies

Data analysis

English/Chinese language

Education

Bachelor's/Master’s/PhD in Engineering

Tools

Excel

Minitab

Schematic reading

Job description

Nexgense Limited is seeking a detail-oriented Senior Product and Quality Control Engineer to ensure gas sensors and detection systems meet performance, safety, and reliability standards. You will bridge product development and manufacturing quality from prototype validation through mass production and customer acceptance.

Your role involves leading QA plans, calibration programs, and data-driven improvements while collaborating with R&D, production, and suppliers to drive manufacturability and