Well Established Company Basic $3500 - $5000 + Allowance + Variable Bonus Excellent Welfare and Benefits + Career progression Working location: Kaki Bukit Working hours : Normal working hours Job Responsibilities: Solution Engineering & Pre‑Sales Support Analyse project specifications, drawings, and client requirements to design compliant and optimized HVAC / building system solutions. Perform solution engineering activities including system sizing, equipment selection, and preparation of Bills of Materials (BOM). Conduct site surveys and technical assessments to collect critical design data. Collaborate with Sales teams to provide technical clarifications, value engineering options, and solution alternatives. Prepare and deliver technical presentations, system architecture explanations, and solution walkthroughs to clients, consultants, and partners. Technical Proposal & Tender Management Prepare and submit detailed technical proposals, compliance matrices, method statements, and supp...