J JS DOOR & INTERIOR DESIGN PTE. LTD. Singapore · 26 Oct 2026 QAQC Manager $4,500 – $6,000 Job Title QA/QC Manager – Doors, Frames, and Architectural Ironmongery Job Overview QA/QC Manager (Door Trade) Oversees quality assurance and quality control for all doorset installations,… Full time3–6 yearsOn-siteSingapore Apply ↗