Senior Mechanical Design Engineer – NEV & Cold Chain

CoolStar Innovation Technology Limited; Hong Kong; On-site; HKD 420,000 - 780,000; Full time

Job summary

CoolStar Innovation Technology Limited in Hong Kong is seeking an experienced mechanical design engineer to own end-to-end structural design for NEV, IDC, and cold chain product lines. You will drive system-level requirements, select components, and deliver 3D models, 2D drawings, and BOM for mass production.

You will lead prototype builds, validation campaigns, and design iterations, collaborating with electrical, thermal, and manufacturing teams to influence upstream decisions.

Qualifications

• Bachelor's degree or above in Mechanical Engineering or related discipline.
• 3+ years of mechanical structural design experience with mass production delivery.

Responsibilities

• Own end-to-end mechanical structural design across NEV, IDC, and cold chain product lines from concept to mass production handoff.
• Lead system-level requirements analysis and define structural design strategies for complex multi-domain products.
• Develop and review 3D models, 2D drawings, BOM; set design standards and review outputs.
• Identify and resolve high-complexity structural challenges in thermal management, NVH, and reliability.
• Own product design quality, schedule, and cost; manage risks and trade-offs across DFM, reliability, and performance.
• Lead prototype builds, validation campaigns, and design iterations through to product sign-off.
• Collaborate with electrical, thermal, and manufacturing teams; influence upstream design decisions.
• Mentor junior engineers and contribute to team capability building.

Job description

CoolStar Innovation Technology Limited in Hong Kong is seeking an experienced mechanical design engineer to own end-to-end structural design for NEV, IDC, and cold chain product lines. You will drive system-level requirements, select components, and deliver 3D models, 2D drawings, and BOM for mass production.

You will lead prototype builds, validation campaigns, and design iterations, collaborating with electrical, thermal, and manufacturing teams to influence upstream decisions.