Snr. Mechanical Design Engineer

Six Construct, a subsidiary of the BESIX Group, is the largest Belgian construction company operating in the Middle East. The company combines the efforts of a highly skilled workforce, along with strategic planning and innovative use of technology to overcome the most complex business challenges. Six Construct is a multi-services company that operates in the construction of commercial and residential buildings, sport and leisure facilities, infrastructure and marine-related projects.

The company currently employs a workforce of approximately 4,000 in the Middle East, and a total of 10,000 worldwide.

• Perform HVAC load calculations, system sizing, and technical documentation.
• Review consultant design drawings and perform peer reviews with compliance reporting.
• Lead design and technical meetings with consultants, clients, and authorities.
• Supervise design deliverables during execution, ensuring accurate shop drawings.
• Integrate BMS requirements into HVAC design (control strategies, points schedule, schematics).
• Incorporate sustainability requirements (LEED, Estidama, energy efficiency standards) into HVAC design and equipment selection.
• Execute value engineering studies to optimize cost, performance, and energy efficiency.

• Coordinate HVAC systems with other MEP and civil disciplines.
• Lead BIM coordination sessions, resolve clashes, and ensure proper system integration.
• Liaise with consultants, clients, for approvals and technical meeting and workshops.
• Provide regular technical updates and reports to the Technical Director.
• Technical Office & Subcontractor Support
• Provide technical support to site teams with design clarifications and technical reports.
• Review and track subcontractor engineering submissions, ensuring compliance with project specifications and international standards.
• Develop and maintain tracking systems for HVAC drawings, material submittals, method statement and approvals.
• Prepare presentations to illustrate HVAC system scope and execution sequence.
• Define detailed scope of works for subcontract packages during procurement stage.
• Ensure subcontractor deliverables meet contractual, technical, and schedule requirements.

• Collaborate with suppliers/vendors to obtain HVAC and BMS-related material submittals.
• Issue RFQs/RFPs, review quotations, and prepare compliance statements with recommendations.
• Support material selection and ensure compliance are aligned with project specifications.

• Provide design clarifications and technical assistance during site execution phase.
• Oversee BMS programming, integration, and HVAC control logic during commissioning.
• Witness and validate functional testing of HVAC equipment and BMS systems.
• Ensure preparation and approval of commissioning reports, O&M manuals, and handover documents.

• Bachelor’s Degree in Mechanical Engineering or equivalent.
• 5–8 years of experience in HVAC design, coordination, technical office, and commissioning.
• Strong expertise in Air system & chilled water, Chillers, DX, VRF/VRV, ventilation, smoke management, and HVAC-BMS integration.
• Proven experience in data center projects, airports, industrial plants, and infrastructure developments, in addition to high-rise, hospitality, healthcare facilities.
• Strong knowledge of UAE authority requirements (Municipality, Civil Defense, etc).
• Proficiency in HAP and other design software.
• Knowledge in AutoCAD, BIM coordination tools.
• Ability to establish tracking systems for engineering deliverables.
• Excellent presentation, reporting, and communication skills.
• Self-motivated with the ability to work independently and take ownership of deliverables.

• Exciting Projects
• Career Growth
• Diverse Team
• Competitive Benefits
• Positive Workplace Culture

Six Construct is guided by our core values of respect, excellence, co-creation, passion, and unity. Our values are at the heart of everything we do, creating a diverse and inclusive workplace where everyone feels valued, secure, and motivated to reach their full potential.

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