HVAC Solutions Engineer: Pre-Sales & Field Support

JL GROUP ENGINEERING PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

JL GROUP ENGINEERING PTE. LTD. is seeking a Pre-Sales Technical Engineer to lead HVAC system sizing, energy-efficiency analysis, and tender-submittal preparations for building projects in Singapore.

You will collaborate with MEP consultants and contractors to advocate for HVAC specifications, provide on-site commissioning assistance, and support post-sales troubleshooting and warranty investigations.

Responsibilities

• Load Calculations & Equipment Sizing: Analyze architectural blueprints, building layouts, and load requirements to select optimal unit capacities, duct layouts, or hydronic system components.
• Technical Submittals & Proposals: Prepare technical proposal packages, equipment specification sheets, submittal drawings, and compliance documentation for tender bids.
• Engineering Consultation: Consult with mechanical consultants (MEP firms) and contractors to advocate for your brand's HVAC specifications in building designs.
• Energy Efficiency & ROI Modeling: Run energy simulation software to show clients payback periods, energy savings, and life-cycle costs.
• Commissioning & Startup Assistance: Support field engineers and mechanical contractors during system startup, refrigerant charging, control board programming, and initial balancing.
• Advanced Field Troubleshooting: Act as a Tier 2/3 technical support point for complex mechanical or electrical issues (e.g., VFD failures, compressor lockouts, BMS integration errors).
• Warranty & Defect Investigation: Evaluate failed components on-site to determine whether issues stem from manufacturing defects, poor installation, or improper maintenance.
• Contractor & Dealer Enablement: Train mechanical contractors and certified installers on proper installation practices, system wiring, and control setups.
• Upselling Controls & Add-ons: Recommend advanced building automation systems (BAS), smart thermostats, variable speed drives, or IAQ filtration upgrades during project design.

Job description

JL GROUP ENGINEERING PTE. LTD. is seeking a Pre-Sales Technical Engineer to lead HVAC system sizing, energy-efficiency analysis, and tender-submittal preparations for building projects in Singapore.

You will collaborate with MEP consultants and contractors to advocate for HVAC specifications, provide on-site commissioning assistance, and support post-sales troubleshooting and warranty investigations.