SENIOR HVAC ENGINEER

Duncan & Ross Consulting; Abu Dhabi; On-site; AED 391,000 - 725,000; Full time

Job summary

Duncan & Ross Consulting seeks a Senior HVAC Engineer to lead design and coordination for ADNOC onshore oil & gas projects, covering FEED and Detail Design phases. You will drive HVAC system integration across process, mechanical, piping, and electrical disciplines, delivering robust design deliverables.

You will review calculations, vendor data, and specifications, and mentor junior engineers while ensuring compliance with ADNOC standards and international codes.

Qualifications

• Bachelor's degree in Mechanical Engineering or equivalent.
• 12-15 years of HVAC engineering experience in oil & gas projects with ADNOC onshore experience.
• Strong HVAC design principles for industrial and hazardous area facilities.
• Experience with FEED and Detail Design documentation and multidisciplinary coordination.
• Hands-on with AHU/FAHU, chillers, package units, PAC, pressurization, smoke extraction, and ventilation systems.
• Strong knowledge of HVAC codes/standards: ASHRAE, SMACNA, NFPA, ISO, ADNOC specs.
• Familiarity with hazardous area classifications and HVAC for substations and control rooms.
• Experience in load calculations, airflow analysis, energy-efficient design, and duct sizing.
• Proficient in software: HAP, Elite, AutoCAD, Revit MEP, Navisworks, SmartPlant.
• Knowledge of materials, insulation, equipment specs, and commissioning requirements.
• Excellent communication and leadership for multi-disciplinary projects.

Responsibilities

• Perform HVAC design calculations for oil & gas facilities (ventilation, AHU, cooling, heating, pressurization).
• Prepare and review design deliverables (basis reports, calculations, datasheets, specs, layouts, duct routes).
• Conduct load calculations, ventilation studies, sizing, duct sizing, pressure drop, noise analysis.
• Ensure compliance with ADNOC standards and international codes.
• Interface with process, mechanical, piping, civil, electrical, and architectural teams for integration.
• Review vendor drawings, submittals, datasheets, and procurement documents.
• Support FEED and Detail Design activities, including equipment room design and energy efficiency.
• Participate in HAZOP, design reviews, model reviews, and client meetings.
• Provide technical guidance and mentorship to HVAC designers and junior engineers.
• Prepare material requisitions and responses to technical queries during procurement/execution.
• Adhere to schedules, quality, safety, and engineering best practices.
• Support construction, commissioning and close-out activities.

Skills

HVAC design

Leadership

Mentorship

Coordination

Education

Bachelor's degree in Mechanical Engineering

Tools

HAP

Elite Software

AutoCAD

Revit MEP

Navisworks

SmartPlant

Job description

We are seeking a highly skilled Senior HVAC Engineer to join our engineering team for oil & gas projects in the FEED and Detail Design phases. The ideal candidate will have extensive experience with ADNOC onshore projects, focusing on the engineering, design, review, and coordination of HVAC systems for industrial facilities, process plants, substations, control rooms, electrical buildings, and associated infrastructure.

Job Responsibilities:

• Perform HVAC engineering design and calculations for oil & gas facilities, including ventilation, air conditioning, heating, pressurization, smoke extraction, and exhaust systems.
• Prepare and review HVAC design deliverables, including design basis reports, calculations, datasheets, specifications, HVAC layouts, duct routing drawings, and equipment schedules.
• Conduct cooling and heating load calculations, ventilation studies, equipment sizing, duct sizing, pressure drop calculations, and noise analysis.
• Ensure compliance with ADNOC engineering standards, project specifications, and international codes and standards such as ASHRAE, SMACNA, NFPA, ISO, and local authority requirements.
• Interface with multi-disciplinary teams including process, mechanical, piping, civil, electrical, instrumentation, and architectural disciplines to ensure proper HVAC system integration.
• Review and approve vendor drawings, technical submittals, datasheets, calculations, and procurement package documents.
• Support FEED studies and Detail Design activities, including HVAC system selection, equipment room design, energy-efficient solutions, and constructability reviews.
• Participate in HAZOP, design reviews, model reviews, technical meetings, and client discussions.
• Provide technical guidance and mentorship to HVAC designers and junior engineers.
• Prepare material requisitions, technical bid evaluations, and responses to technical queries during procurement and execution phases.
• Ensure adherence to project schedules, quality standards, safety requirements, and engineering best practices.
• Provide engineering support during construction, installation, testing, commissioning, and project close-out activities.

Key Qualifications:

• Bachelor's degree in Mechanical Engineering or equivalent.
• Minimum 12-15 years of relevant experience in HVAC engineering for oil & gas projects, with proven ADNOC onshore project experience.
• Strong knowledge of HVAC engineering design principles for industrial and hazardous area facilities.
• Experience with FEED and Detail Design documentation, engineering studies, equipment selection, and multidisciplinary design coordination.
• Hands-on experience with Air Handling Units (AHU), Fresh Air Handling Units (FAHU), Chillers, Package Units, Split Units, Precision Air Conditioning Units (PAC), Pressurization Systems, Smoke Extraction Systems, and Industrial Ventilation Systems.
• Strong understanding of HVAC design codes and standards including ASHRAE, SMACNA, NFPA, ISO, and ADNOC specifications.
• Familiarity with hazardous area classification requirements and HVAC applications for substations, control rooms, analyzer shelters, and process buildings.
• Experience in HVAC load calculations, airflow analysis, energy-efficient system design, equipment sizing, duct design, and HVAC control philosophies.
• Proficient in engineering software such as HAP, Elite Software, AutoCAD, Revit MEP, Navisworks, SmartPlant, or equivalent.
• Knowledge of material selection, insulation systems, equipment specifications, and HVAC system commissioning requirements.
• Excellent communication, leadership, and teamwork skills, with the ability to lead HVAC engineering activities in a multi-disciplinary engineering environment.