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Responsibilities

• Design and develop fin and tube heat exchangers, coils, condensers, evaporators, and related components.
• Prepare technical drawings, 3D models, BOMs, and manufacturing documentation.
• Select appropriate tube materials, fin materials, fin spacing, tube diameter, circuiting, headers, and connection details.
• Utilize heat exchanger design software and engineering calculation tools.
• Support product development, customization, and value engineering projects.
• Coordinate with production teams to ensure designs are manufacturable and cost-effective.
• Review customer specifications and prepare technical proposals.
• Assist in troubleshooting design, production, and performance-related issues.
• Ensure compliance with relevant standards, codes, and customer requirements.
• Collaborate with quality teams to resolve non-conformities and improve product reliability.
• Support testing and validation of heat exchanger prototypes and final products.
• Maintain design records, calculation sheets, drawings, and revision history.
• Collaborate with purchasing teams for material and component selection.
• Continuously improve existing product designs for efficiency, durability, and cost reduction.

Requirements

• Bachelor’s degree in mechanical engineering, Diploma in Thermal Engineering, or a related field.
• Experience in heat exchanger design, preferably in fin and tube heat exchangers.
• Strong understanding of heat transfer, thermodynamics, fluid mechanics, and HVAC/R systems.
• Knowledge of coil design, refrigerant circuits, and air-side and fluid-side pressure drop calculations.
• Proficiency in CAD software such as AutoCAD, SolidWorks, Creo, or Inventor.
• Ability to read and prepare engineering drawings and technical documents.
• Understanding of manufacturing processes including tube bending, fin punching, expansion, brazing, soldering, welding, and assembly.
• Familiarity with materials such as copper, aluminium, stainless steel, galvanized steel, and coated fins.

Skills

• Heat exchanger thermal design
• Fin and tube coil design
• CAD modeling and drafting
• BOM preparation
• Mechanical design calculations
• Pressure drop calculation
• Refrigerant circuiting
• Material selection
• Manufacturing support
• Product testing and validation
• Cost reduction and value engineering
• Strong communication skills
• Team collaboration
• Attention to detail
• Problem-solving mindset
• Project management
• Customer-focused approach

Experience Level

• Minimum 5 years of experience in heat exchanger, HVAC, refrigeration, or mechanical product design

Education Level

• Bachelor’s degree in mechanical engineering
• Diploma in Thermal Engineering

About the Company

• Al Shirawi Group is a conglomerate founded in 1971 with operations across the GCC region, India, and Egypt.
• The group operates in trading, industrial, distribution, contracting, and service industries.
• OCC is a premier HVAC coil manufacturing and coating company in the GCC region.
• OCC is the exclusive distributor of Heat Pipe Technology, Inc. (HPT) and fresh air UV lamps in the region.