hvac design mechanical engineer

Cold Star Trading and Contracting

Mechanical Design Engineer (HVAC)Requirements:&middot; Minimum 2+ years&rsquo; experience in HVAC design.&middot; Proficient in AutoCAD&middot; Transferrable Visa with NOC &ndash; Immediate availability.&middot; Previous experience in HVAC or MEP industries inside Qatar or other GCC countries is an advantageResponsibilities:&middot; Develop HVAC system design drawings, load calculations, duct sizing, and equipment selection.&middot; Prepare shop drawings, technical submittals, and design documents for consultant approval.&middot; Coordinate with the site team for design clarifications and resolve technical queries.&middot; Ensure compliance with international standards and project specifications.&middot; Support procurement by preparing material specifications and equipment schedules.Job Type: Full-timePay: From QAR3,000.00 per monthWork Location: In person

Mechanical Design Engineer (HVAC)

Rejlers Sverige AB

<div>Rejlers International Engineering Solutions is recognized for delivering reliable engineering and project services. With over 15 years in Abu Dhabi, UAE, our regional headquarters are based in Abu Dhabi City, and we also have an office in Navi Mumbai, India, supporting diverse operations throughout the area. We specialize in industries such as Oil &amp; Gas, Refining, Petrochemical, Chemical, Renewable Energy, and Industrial Infrastructure&mdash;including Buildings, Power Distribution, and Telecommunications&mdash;serving clients across the UAE and Arabian Gulf.
Our expertise in Industrial Digitization and AI solutions demonstrates our dedication to technological innovation and excellence. Backed by a parent company with over 80 years of engineering experience, we proudly bring Nordic engineering traditions to the region, combining advanced technology with a legacy of quality and reliability.
We are seeking a Lead HVAC Engineer with extensive experience in refinery and onshore/offshore oil and gas projects to join our Abu Dhabi Operations, UAE.<h5 class="jobSectionHeader">
Reports To</h5>
The Lead HVAC Engineer reports to the Head of Discipline, Mechanical &amp; Piping.<h5 class="jobSectionHeader">
Job Overview</h5>
This job function is to be assigned in projects, taking the role of Lead HVAC Engineer. In addition, the job position aims to be a focal point on all aspects of quality-related issues in the engineering projects and to establish good operational relationships and liaise with the client and subcontractor personnel in order to ensure that the project&rsquo;s quality goals and objectives are achieved.<h5 class="jobSectionHeader">
Responsibilities and Duties</h5>
The main duties and responsibilities of the Lead HVAC Engineer are but not limited to the following:<ul><li>
To assist engineers / Design manager / Discipline Manager for the engineering design of the project.</li><li>
Ensure verification of source data, concept &amp; FEED drawings / concepts as required.</li><li>
Complete responsibility for HVAC engineering, design and deliverables on projects at all stages of the design process. While the primary focus will be on HVAC design, the successful candidate will be a well-rounded Mechanical Engineer with an ability to adapt and handle various mechanical package equipment, ventilation, refrigeration, and related building services systems.</li><li>
Conduct HVAC Design and Engineering activities for projects, from initial concept definition phase through engineering studies, FEED, detailed design and commissioning.</li><li>
Review Client's technical documentation and requirements.</li><li>
Defines engineering requirements and leads on the technical decisions.</li><li>
Participates meetings and workshops.</li><li>
Explain technical decisions and have constructive discussions with stakeholders of the technical requirements.</li><li>
Understand project&rsquo;s scope and required technical activities.</li><li>
Prepare and / or review Cooling and Heating Load calculations in accordance with standards.</li><li>
Prepares HVAC Design Basis and Specifications.</li><li>
Preparation of HVAC Duct routing design and sizing.</li><li>
Establish sizing and selection of HVAC air terminals, e.g. grilles, diffuser, registers and louvers.</li><li>
HVAC Chilled Water system design, sizing of equipment and piping design.</li><li>
Ability to develop HVAC Air Flow Diagram, Control Diagram, Ducting &amp; Instrumentation Diagram, Cause &amp; Effect chart.</li><li>
Ability to develop Chilled Water / Refrigeration P&amp;ID and Control Diagram, Cause &amp; Effect chart.</li><li>
Preparation of HVAC Sequence of Operation &amp; Control Philosophy.</li><li>
Preparation of chilled water/Refrigeration Sequence of Operation &amp; Control Philosophy.</li><li>
HVAC Chilled Water / Refrigeration system design, sizing of equipment and piping design.</li><li>
Prepares the technical documentation / drawings for HVAC requisition.</li><li>
Technical evaluation / clarification of HVAC equipment and technical bid evaluation reports to support order placement.</li><li>
Provide specialist engineering support to global projects in a major engineering contractor organization.</li><li>
Project technical support &ndash; familiarity with risk assessments, design reviews, constructability, HAZOP, etc.</li><li>
Technical supervision of supplier design and control of supplier interface, review of Vendor documents plus the co-ordination of interfaces with other engineering disciplines.</li><li>
Verify that all designs are to required standards &amp; quality and that the objectives of the project are met.</li></ul><h2 class="jobSectionHeader">
Qualifications</h2><ul><li>
Engineering Graduate (BEng, BSc. or MSc.) in Mechanical or Technical related degree.</li><li>
Over 15+ years of experience and in the specific discipline or in HVAC engineering and design in oil &amp; gas / industrial sector/ EPC projects. Minimum 8 years in a Senior Role.</li><li>
Must have worked in FEED and EPC projects and delivered to ADNOC Group of Companies.</li><li>
Extensive design experience, primarily in a contracting environment, working with HVAC equipment.</li><li>
Technical knowledge in Industrial Ventilation criteria, systems and calculations, and ability to apply these to various application and processes.</li><li>
Experience of HVAC calculation software program (Carrier HAP, ELITE, etc.).</li><li>
Experience of HVAC design software program (AutoCAD etc.)</li><li>
Knowledge in HVAC equipment and item selection as part of the HVAC design practice.</li><li>
Knowledge of International Codes applicable to HVAC design (ASHRAE, AMCA and Industry standards) as well general codes and standards used in UAE (AGES etc.).</li><li>
Experienced in all stages of project delivery (Studies, FEED and Detail Engineering, Commissioning)</li><li>
Excellent interpersonal, teamwork and communication skills.</li><li>
Attention to details and ability of critical thinking.</li><li>
Excellent people management skills with solid understanding of customer interface.</li><li>
Team player, hardworking, problem solver, self-driven with can-do attitude. Ready to join in short notice is added value.</li><li>
Meets with UAE visa requirements.</li></ul>
Our work is guided by our vision: Home of the learning minds. We believe in continuous learning and development. We want to succeed both as individuals and as a company through a common goal: success through continuous learning.
Do you want to join us?
Please apply at once as we proceed with suitable candidates as soon as possible. Submit your application, CV, and salary expectation latest by 21 May 2026.</div>

Lead HVAC Engineer (Engineering Design Consultancy experience)

Cold Star Trading &amp; Contracting is hiring for the position of HVAC Design Engineer:Requirements:<ul><li>Must be in Qatar</li><li>Professional knowledge in AutoCad is mandatory</li><li>Bachelor's degree in mechanical engineering or equivalent</li><li>Previous experience in HVAC or MEP industries is an advantage</li><li>Minimum 3 years of experience, preferably in GCC countries</li></ul>Job Type: Full-timePay: From QAR3,000.00 per monthWork Location: In person

HVAC Design Engineer

C2HR LLP

A leading engineering consultancy office is seeking a highly skilled HVAC / AC &amp; MV Design Engineer to join its design team.Requirements:<ul><li>10&ndash;15 years of experience in HVAC, AC, and Mechanical Ventilation (MV) design.</li><li>Strong expertise in design (Experience in MEGA projects).</li><li>Proficient in all HVAC/AC/MV design software and calculations, including load calculations, duct/ventilation design, and mechanical system layouts.</li><li>Thorough understanding of civil coordination requirements and specifications.</li><li>LOAD calculation, pipe and duct sizing</li><li>ACMV calculations for QCDD</li><li>PSYCHROMETRIC ANALYSIS</li><li>EQUIPMENT SELECTION</li><li>PREPARE SEQUENCE OF OPERATION</li><li>COLLECT CLIENT REQUIREMENTS AND PREPARE DESIGN CONCEPT, DESIGN CRITERIA &amp; SCHEMATIC DRAWING</li><li>Good knowledge of ASHRAE and other platform of HVAC knowledge</li><li>Professional proficiency in AutoCAD for mechanical/HVAC design.</li><li>Ability to deliver high‑quality designs on time and work effectively.</li></ul>Salary : 19000 Maximum (As per Experience and Current Salary - will be discussed after Interview)Job Type: Full-timeWork Location: In person

HVAC / AC & MV Design Engineer

ARX Group

<div>ARX is a global network of specialists in engineering, design, and architecture. Our team offers 360&deg; consulting, project management, and technical services in: 
 
airports, bridges, buildings, cableways, digital innovation, environment, equipment, geology, geotechnics, hydropower, metros,
 
nuclear plants, oil &amp; gas, pipelines, ports, railways, river engineering, roads, traffic, tunnels, and water/wastewater treatment.
With offices across Europe, North and South America, Asia, Africa, and Oceania, our agile task force combines global expertise with local know-how. The result is our uniquely &quot;glocal&quot; approach, which allows us to meet the specific needs of each community while incorporating international best practices. At ARX, smart minds strive for a sustainable future, transforming communities one innovative project at a time.
People are the heart and soul of ARX. We are a home for innovators, visionaries, and experts to develop talents, launch careers, and collaborate with fellow specialists. ARX values individuals. Believing their brilliance and determination will provide solutions to tomorrow's challenges, we welcome professionals who will both benefit from and enrich our team. 
For our office in Cairo, we are looking for: 
HVAC Design Engineer(Egypt) - 100% (m/f)
The ideal candidate is a technically accomplished and delivery-focused mechanical engineer with 2-8 years of experience. 
Responsibilities<ul><li>
Design and coordination of building services and infrastructure projects.</li><li>
Strong technical skills.</li><li>
Delivery across complex projects.</li><li>
Balance of technical depth, multidisciplinary coordination, and stakeholder engagement.</li><li>
Candidates with exposure to infrastructure and transportation projects (such as railways or airports) or experience working on GCC-based projects will be given preference.</li></ul> 
Qualifications<ul><li>
Bachelor's degree in mechanical engineering.</li><li>
Calculations: Performing heat load calculations and other design activities.</li><li>
Design and Drafting: Utilize CAD or Revit software to create HVAC layouts, ductwork, and piping schematics.</li><li>
System configuration: Follow code requirements and common practices to produce highly efficient systems.</li><li>
Technical Support: Equipment selection (AHUs, Chillers).</li><li>
Project Documentation: Preparing submittals, technical documentation, and material take-offs.</li><li>
Coordination and delivery of major infrastructure and building projects, including underground structures, metro stations, tunnels, and large-scale facilities.</li><li>
Ensure compliance with international and local codes and standards (NFPA, ASHRAE, BS, EN, SBC, etc.).</li><li>
Value engineering and energy efficiency across the design process.</li></ul>
We Offer:<ul><li>
Young, motivated and a healthy working environment</li><li>
Interesting opportunities for personal and professional development and growth.</li><li>
External Training Programs within our Global Branches</li><li>
Social and individual health insurance</li></ul> 
 If you would like to join our highly motivated and very successful team, please send us your complete application, along with your updated CV. 
 
 
Sector: Engineering
Role: Other
Will manage other people: No
Job type: Permanent job
Career level: Employee</div>

HVAC Design Engineer - 100% (m/f)

HamdanGlobal

We are seeking an experienced and qualified HVAC Project Engineer responsible for managing site activities, ensuring compliance with design specifications and project schedules, supervising HVAC installation, testing, commissioning, and troubleshooting, as well as providing technical support to the project team.The HVAC Site Engineer will work closely with the Project Manager, Client, Sub-contractors, and vendors to ensure that project objectives are met.Must have ADNOC experience and certificate.Pay: AED8,000.00 - AED10,000.00 per hourWork Location: In person

HVAC Project Engineer (Mechanical) for Oil and Gas

Wood

<div><div><div><div>Wood is currently recruiting for an experienced PMC Senior HVAC Engineer for ADNOC Gas Process client to be based in Abu Dhabi within our Oil, Gas &amp; New Energies business.
Due to the nature of the projects and client expectation, the position will be full time at client Site office in Abu Dhabi, United Arab Emirates.
 Remarkable people, trusted by clients to design and advance the world.
Our Clients and Projects
Designing the future. Transforming the world.
Wood's Oil, Gas &amp; New Energies business is built on a strong legacy of delivering large and complex projects for national and international energy companies across the globe. We have experienced teams, a proven delivery model and a strong reputation.
We are the market-leading provider of integrated and innovative solutions that challenge the status-quo in the oil and gas upstream and midstream, onshore and offshore, gas to liquids and decarbonisation and electrification markets. We pride ourselves in steady and predictable delivery, setting our sights on an exciting growth trajectory.
Energy security, transition and supply have never been more important. You, our enabling teams, are at the very forefront of transformative projects that are providing sustainable power to generations to come. We are the ones to bring low-carbon concepts to reality.
What we can offer
<ul><li>Meaningful and interesting projects: Delivered to high profile clients across the Energy Sector
</li><li>Commitment to Diversity and Inclusion: We are an organisation actively committed to diversity and inclusion across our business
</li><li>Competitive remuneration package: With regular reviews to ensure we are rewarding at the right level in line with the market
</li><li>Medical Insurance: Ensures inpatient, and outpatient medical care is available should you require treatment
</li><li>Group Life and Personal Accident Insurance : The company provides Life Assurance cover
</li><li>End of Service Gratuity: In line with UAE Labor Law, all employees are eligible for an End of Service benefit
</li><li>The Employee Share Plan : Gives you the opportunity to purchase Wood shares and receive a match from the company
</li><li>Long Service Award: Wood values the commitment and loyalty of our people. Celebrating Long Service provides an opportunity for the business to demonstrate their appreciation of the hard work, dedication and many years&rsquo; service of our employees at 5 year service milestones
</li><li>Commitment to continued professional development: Development plans that are tailored to your individual needs and interests
</li><li>Global connections : Join experts around the world who are at the leading edge of our industry, shaping the standards of our profession
</li><li>Energy Transition Academy: Join a community of experts sharing your knowledge and gaining more exposure to a variety of existing and emerging energy systems &ndash; delivered by experts in their field</li></ul></div></div></div></div>
 <div><ul><li>Capable of handling multiple projects
</li><li>Responsible for safe, technically accurate, and cost-effective HVAC system designs and deliverables
</li><li>Responsible for compliance with applicable specifications and standards, and completion of work within project budget and schedule.
</li><li>Supervising and directing a HVAC Engineering Team and directly performing tasks as required. These tasks include HVAC heat load calculation, System and equipment selection, HVAC drawings, equipment layout, HVAC P&amp;ID/Control diagrams, HVAC Air flow diagrams, HVAC specification, datasheet and MTO.
</li><li>Checking and approval of HVAC deliverables
</li><li>Evaluate vendors technical bid offers
</li><li>Reviewing with the Project Engineering Manager / Project Engineers all the needs and technical aspects which can affect the schedule of the project.
</li><li>Update Progress as per project schedule, provide input for monthly progress reports.
</li><li>Review requests for changes and if outside the scope of work, submit to Project Engineering Manager an estimate of man-hours, material, and any impact to schedule.
</li><li>Carryout manhour estimations as part of proposal and provide input to execution strategy
</li><li>Observing the ethic of confidentiality on technologies licensed by Clients or Third Parties.
</li><li>Works within project team environment.
</li><li>Capable of handling MEP related scope within the in Oil &amp; Gas projects assigned. These tasks include Specifications, Water supply layout, Drainage layout, Schematic water supply and drainage diagrams, MTO and vendor document review).</li></ul></div>
 <div><ul><li>Must have an engineering degree in Mechanical Engineering or similar.
</li><li>Minimum 15 years HVAC engineering oil and gas industry.
</li><li>Ability to plan project activities towards completion of project activities within schedule and budget
</li><li>Good communications skills
</li><li>Proficient with MS Word and MS Excel &amp; HAP (Hourly Analysis program) software.
</li><li>Knowledge of 3D modelling for Equipment, duct works and accessories
</li><li>Familiarity with International Design Guidelines and Standards</li></ul></div>
 <div><div>Wood is a global leader in consulting and engineering, helping to unlock solutions to critical challenges in energy and materials markets. We provide consulting, projects and operations solutions in 45 countries, employing around 25,000 people. www.woodplc.com 
</div><div></div> 
<div>Diversity Statement
</div><div>We are an equal opportunity employer that recognises the value of a diverse workforce. All suitably qualified applicants will receive consideration for employment on the basis of objective criteria and without regard to the following (which is a non-exhaustive list): race, colour, age, religion, gender, national origin, disability, sexual orientation, gender identity, protected veteran status, or other characteristics in accordance with the relevant governing laws.</div></div>

Senior Mechanical Engineer(Site)-HVAC

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