BMS Estimation Engineer

KEY RESPONSIBILITIES

• Review tender documents
• specifications
• drawings
• BOQs and BMS control schematics
• Prepare detailed BMS Material Take-Offs
• MTOs
• and quantity calculations
• Estimate controllers
• I O modules
• sensors
• actuators
• valves
• meters
• control panels
• gateways
• software
• licenses and accessories
• Prepare detailed cost estimates covering materials
• engineering
• programming
• panel fabrication
• installation
• wiring
• testing
• commissioning
• software
• integration and labor costs
• Obtain and evaluate quotations from BMS manufacturers
• suppliers and subcontractors
• Prepare technical and commercial quotations according to tender requirements
• Select suitable BMS products and approved-equivalent alternatives where permitted
• Identify scope gaps
• exclusions
• assumptions and deviations
• Prepare comparison sheets and negotiate supplier pricing
• Coordinate with Sales
• Design
• Procurement
• Project and Commissioning teams
• Assist with technical submittals
• compliance statements and tender clarifications
• Attend pre-bid meetings and conduct site visits when required
• Maintain estimation databases
• rate sheets and historical project cost records
• Ensure accurate estimates and timely tender submissions

TECHNICAL KNOWLEDGE

BMS DDC PLC-based control systems HVAC Controls Building Automation AHUs FCUs VAVs Chillers Pumps Cooling Towers Sensors Actuators Control Valves Dampers VFDs DDC Controllers I O Modules BACnet Modbus M-Bus KNX Energy Meters Third-Party System Integration BMS Workstations Servers Graphics Software Control Panels Field Wiring HVAC Control Schematics Points Lists MEP BMS Drawings Specifications BOQ Preparation Quantity Take-Off Cost Estimation Pricing Commercial Analysis

Technical KnowledgeThe candidate should have a good understanding of:

• BMS/DDC/PLC-based control systems
• HVAC controls and sequences of operation
• AHUs, FCUs, VAVs, chillers, pumps, cooling towers, and ventilation systems
• Temperature, humidity, pressure, flow, CO₂ and other field sensors
• Control valves, dampers, actuators, and variable-frequency drives
• Digital and analog I/O requirements
• DDC controllers and I/O modules
• BMS networking and communication protocols such as BACnet, Modbus, M-Bus, KNX, etc.
• Energy meters and integration of third-party systems
• BMS workstations, servers, graphics, software, and licenses
• Control panels and field wiring
• HVAC control schematics and points lists
• Reading MEP/BMS drawings and specifications
• BOQ preparation and quantity take-off
• Costing, pricing, and commercial analysis

Typical Estimation Process

1. Tender Documents
2. Specification Review
3. Drawing Review
4. Point List / MTO
5. Equipment Selection
6. Supplier Quotations
7. Material Cost
8. Labor & Engineering Cost
9. Integration Cost
10. Overheads
11. Markup
12. Technical/Commercial Proposal

Qualifications

• Bachelor's or diploma in Electrical Engineering, Electronics, Instrumentation, Mechatronics, Mechanical Engineering, or related discipline.
• Typically 5 years of experience in BMS estimation, HVAC controls, building automation, or ELV systems.
• Experience with commercial, residential, hospitality, healthcare, industrial, or infrastructure projects is advantageous.
• Good knowledge of Microsoft Excel and preferably AutoCAD.
• Experience with BMS manufacturers/platforms is an advantage.

Key Skills

• Strong analytical and numerical skills
• Excellent knowledge of Excel and cost estimation
• Ability to interpret technical drawings and specifications
• Knowledge of HVAC and control systems
• Supplier/subcontractor quotation analysis
• Attention to detail
• Commercial awareness
• Tender management and deadline management
• Technical report and quotation preparation
• Communication and negotiation skills
• Ability to coordinate with multiple departments
• Estimation accuracy
• Tender submission within deadlines
• Compliance with project specifications
• Accuracy of material quantities and costing
• Reduction of scope omissions and commercial risks
• Supplier quotation turnaround time
• Successful handover of awarded projects
• Accuracy of estimated versus actual project costs

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