MECHANİCAL HVAC DESİGN ENGINEER

WAHA AİR; Dubai; On-site; AED 180,000 - 300,000; Full time

Job summary

WAHA AİR in Dubai is seeking a Mechanical Design Engineer to design HVAC and mechanical systems, select components, create technical drawings and prepare specifications for various projects.

The role involves calculating loads, supporting CAD modeling, reviewing designs for compliance with ASHRAE, NFPA and local standards, and coordinating with project managers, suppliers and site teams from concept to commissioning.

Qualifications

• Bachelor’s degree in mechanical engineering is required.
• Minimum 5 years of experience in mechanical design for MEP projects.
• UAE experience with knowledge of local authority approvals and standards is required.

Responsibilities

• Mechanical System Design & Compliance: Develop designs for HVAC, plumbing, drainage, and firefighting systems; ensure compliance with ASHRAE, NFPA, SMACNA, ADDC, DEWA, ADM, DCD, ESTIDAMA.
• Shop Drawings & Material Submittals: Prepare and modify shop drawings; support material submittals and align with project specs; coordinate with site teams.
• Mechanical Calculations & Control Systems: Perform cooling load calculations, ventilation sizing, pipe sizing, and assist in BMS control strategies.
• Technical Coordination & Reporting: Collaborate with electrical/ELV engineers to integrate control systems; prepare technical reports and documentation; ensure design issues are addressed.

Skills

HVAC System Design

Load Calculations

Plumbing & Drainage Design

MEP Coordination

Software Proficiency

Energy Efficiency

Ductwork & Piping

BOQ Preparation

Authority Approvals

Education

Bachelor’s degree in mechanical engineering

Tools

AutoCAD

Revit MEP

HAP

Elite

Pipe Flow Expert

CFD tools

Job description

Company Description WAHA AİR delivers integrated HVAC and engineering solutions, drawing on sector knowledge and international project experience gained in Turkey and expanding into the Dubai market. The company focuses on air conditioning, mechanical systems, automation, and energy efficiency to support high-performing building environments. Its integrated business model covers product sales, design, implementation, consulting, system integration, and after-sales technical support. WAHA AİR aims to build a strong, recognizable HVAC brand in the Dubai region by offering reliable, end-to‑to‑end solutions for commercial and industrial clients.

Role Description This is a full-time, on-site Mechanical Engineer role based in Dubai. The Mechanical Engineer will be responsible for designing and developing HVAC and mechanical systems, including selecting components, creating technical drawings, and preparing specifications. Daily tasks include performing engineering calculations, supporting CAD modeling, reviewing designs for compliance with industry standards, and contributing to R&D activities for improved energy efficiency and system performance. The role involves coordinating with project managers, site teams, suppliers, and consultants to ensure timely and accurate execution of projects from concept through commissioning. The Mechanical Engineer will also support documentation, testing, troubleshooting, and after‑sales technical solutions to maintain system reliability and client satisfaction.

Qualifications

The Mechanical Design Engineer – MEP is responsible for developing and reviewing mechanical designs for HVAC, plumbing, drainage, and firefighting systems. The role involves preparing shop drawings, material submittals, and calculations, ensuring compliance with local and international standards. The engineer will work closely with senior engineers, MEP managers, and site teams to provide design support and technical solutions.

Job Responsibilities

Mechanical System Design & Compliance

• Develop designs for HVAC, plumbing, drainage, systems based on project requirements.
• Ensure all designs comply with ASHRAE, NFPA, SMACNA, ADDC, DEWA, ADM, DCD, and ESTIDAMA standards.
• Assist in energy efficiency studies and ESCO project design support.
• Manage drafting teams assigned for each project

Shop Drawings & Material Submittals

• Prepare and modify shop drawings in coordination with the Senior Mechanical Design Engineer.
• Support in preparing material submittals and ensuring alignment with project specifications.
• Coordinate with MEP site teams for design-related clarifications.

Mechanical Calculations & Control Systems

• Perform cooling load calculations, ventilation sizing, and smoke management system calculations.
• Conduct pipe sizing for plumbing, LPG, drainage, and firefighting systems.
• Confirm firefighting pump and tank capacities per DCD regulations.
• Assist in developing BMS (Building Management System) control strategies and sequences of operation.

Technical Coordination & Reporting

• Collaborate with electrical and ELV engineers to ensure proper integration of control systems.
• Support the MEP and construction managers by addressing design-related issues.
• Prepare technical reports and documentation as required.
• Proficiency in, AutoCAD, Revit MEP. and PRİMAVERA

Job Requirements

Qualifications

• Bachelor’s degree in mechanical engineering.

Experience (5 To 10 Years )

• Minimum 5 years of experience in mechanical design for MEP projects.
• Minimum 3 years of experience in a consultancy firm is required.
• UAE experience is a must, with knowledge of local authority approvals and standards.

Knowledge & Skills

• HVAC System Design – Expertise in designing chilled water, DX, VRF,AHU,FAHU and ventilation systems.
• Load Calculations & System Sizing – Proficiency in ASHRAE, CIBSE, and SMACNA standards for cooling and ventilation calculations.
• Plumbing & Drainage Design – Designing water supply, drainage, and stormwater systems per UPC, IPC, and local regulations.
• MEP Coordination – Collaborating with electrical and structural teams for integrated system design.
• Software Proficiency – Experience with AutoCAD, Revit MEP, HAP, Elite, Pipe Flow Expert, and CFD tools.
• Energy Efficiency & Sustainability – Implementing green building strategies and ESTIDAMA/LEED compliance.
• Ductwork & Piping Design – Knowledge of air distribution, pressure drop calculations, and pipe sizing.
• Specification & BOQ Preparation – Writing technical specifications and preparing Bills of Quantities (BOQ).
• Authority Approvals & Compliance – Awareness of Abu Dhabi Civil Defense, ADM, ADDC, and DEWA requirements.