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mechanical systems engineer

AL HADA CONTRACTING COMPANY

We are looking for an experienced Mechanical Engineer with a strong background in the construction field to join our team. The ideal candidate will possess expertise in mechanical systems design, project management, and construction processes, playing a vital role in ensuring the efficient and timely execution of our projects.*Key Responsibilities:*- Design and analyze mechanical systems and components for construction projects, ensuring compliance with industry standards and best practices.- Collaborate with project managers, architects, and other engineering disciplines to integrate mechanical designs into overall project plans.- Conduct site visits and inspections to monitor construction progress and ensure adherence to design specifications and safety requirements.- Prepare engineering documentation, including drawings, specifications, calculations, and reports.- Analyze project requirements, perform feasibility studies, and develop cost estimates for mechanical components.- Troubleshoot mechanical issues and provide solutions during the construction phase.- Communicate effectively with stakeholders, including clients, subcontractors, and regulatory authorities.- Stay updated on industry trends, regulations, and emerging technologies relevant to mechanical engineering in constructionJob Type: Full-timeExperience:<ul><li>Construction: 5 years (Required)</li></ul>Language:<ul><li>Arabic (Required)</li><li>English (Required)</li></ul>Location:<ul><li>Riyadh (Required)</li></ul>Work Location: In person

Mechanical Engineer

Confidential

Job Title: Mechanical Engineer Location: Riyadh, Saudi Arabia Employment Type: Full-Time Job Overview On behalf of a prestigious and forward-thinking organisation, we are seeking a highly skilled and motivated Mechanical Engineer to join their dynamic team in Riyadh, Saudi Arabia. The successful candidate will be responsible for designing, developing, and testing a wide range of mechanical components, systems, and machinery. This role requires a hands-on professional who can manage projects from concept through to completion, ensuring all work meets the highest standards of quality, safety, and efficiency. This is an excellent opportunity to contribute to significant projects within a growing and innovative environment. Responsibilities  <ul><li>Design and develop mechanical solutions, from initial concept to detailed engineering, using CAD software such as SolidWorks, AutoCAD, or similar programmes.</li><li>Conduct thorough analysis and simulations to test and validate the performance, durability, and safety of designs.</li><li>Create and maintain comprehensive technical documentation, including detailed drawings, schematics, and manufacturing specifications.</li><li>Collaborate effectively with multidisciplinary teams, including electrical engineers, project managers, and technicians, to ensure seamless project integration and execution.</li><li>Oversee the fabrication, assembly, installation, and commissioning of mechanical systems and equipment.</li><li>Identify, diagnose, and resolve technical issues and challenges throughout the project lifecycle.</li><li>Ensure all designs and processes comply with relevant industry codes, standards, and health and safety regulations.</li><li>Prepare detailed reports, technical presentations, and project progress updates for senior management and stakeholders.</li><li>Participate in continuous improvement initiatives to optimise product design, manufacturing processes, and overall organisational efficiency.</li></ul>Qualifications  <ul><li>A Bachelor's degree in Mechanical Engineering or a closely related discipline is required. A Master's degree would be advantageous.</li><li>Proven professional experience working in a mechanical engineering role.</li><li>Strong proficiency in 2D and 3D CAD software and other engineering tools.</li><li>A solid understanding of core engineering principles, including thermodynamics, fluid mechanics, materials science, and structural analysis.</li><li>Excellent analytical, problem-solving, and critical-thinking skills.</li><li>Strong written and verbal communication skills in English are essential.</li><li>The ability to work independently and as part of a collaborative team in a fast-paced environment.</li><li>Experience with Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD) is highly desirable.</li><li>Familiarity with project management principles and practices would be beneficial.</li></ul> Benefits A competitive remuneration package will be offered to the successful candidate, commensurate with their skills, experience, and qualifications. Our client is dedicated to fostering a supportive work environment that encourages professional growth and provides significant opportunities for career advancement.

CSI Global

<div><h1 class="jobSectionHeader">Job Title: Commissioning Mechanical Engineer</h1>
<h1 class="jobSectionHeader">Location: Riyadh / KSA</h1>
<h1 class="jobSectionHeader">Employment Type: Full-Time | On-Site</h1>
<h2 class="jobSectionHeader">About CSI Global:</h2>
At CSI Global, we specialize in delivering advanced electromechanical, testing, and commissioning services across the GCC and Globally. We power infrastructure through technical excellence and engineering innovation. Join a team committed to shaping the future of transmission and energy systems in the region.
<h2 class="jobSectionHeader">Position Overview:</h2>
We are seeking Commissioning Mechanical Engineer who will execute commissioning of Mechanical Building Systems, HVAC, Chilled Water, Plumbing, and Fire Protection Systems on complex projects to achieve safe, SBC/ASHRAE-Compliant, on-schedule handover with complete and auditable records.
<h2 class="jobSectionHeader">Key Responsibilities:</h2>
<ul><li>Perform tests per approved Method Statements / ITPs / Test Packs (pre-functional &amp; functional); log measurements precisely and keep punch/defect lists current.</li><li>
Commission HVAC equipment &amp; networks: AHU/FAHU/FCU, fans, pumps, chillers, cooling towers, heat exchangers, CHW/condensing water loops, valves/actuators/controls.</li><li>
Support TAB activities: chilled-water hydronic balancing, air balancing for AHUs/FCUs/extracts; verify coil &Delta;T/flow, damper positions, and leakage classes.</li><li>
Run/verify ventilation &amp; smoke control tests (stair/lobby pressurization, car-park CO); record pressure/flow/door-force data.</li><li>
Witness plumbing system commissioning: hot-water boilers, booster/transfer/irrigation/sump pumps, tanks, heat exchangers; pressure/disinfection tests.</li><li>
Monitor pre-commissioning readiness: flushing/cleaning, water quality, pressure tests, filter/coil hygiene, fire damper drop checks.</li><li>
Execute CRAC/IT room load/heat tests, capture trends and acceptance criteria.</li><li>
Participate in BMS point-to-point/sequence checks; verify alarms/safeties and support IST with Fire Alarm/ELV/Electrical.</li><li>
Prepare evidence packs and invite Consultant/Client for witnessing; assist with cause-and-effect verification and close-out.</li><li>
Contribute to O&amp;M/training inputs and red-line/as-built updates; submit weekly status to the Commissioning Manager.</li></ul>
<h2 class="jobSectionHeader">Required Qualifications:</h2>
<ul><li>5&ndash;8 years of mechanical testing &amp; commissioning on mid-to-large projects (healthcare, data centers, airports, high-rise or industrial).</li><li>
Hands-on TAB (water/air), pressure/leak/chlorination tests, smoke control checks, equipment functional tests; IST participation.</li><li>
Standards literacy: SBC, ASHRAE, SMACNA/DW144, NFPA, IPC/CIBSE basics; HSE awareness (PTW/LOTO).</li><li>
Competent with meters/loggers (DP/flow/temperature, anemometer, manometer, data logger); disciplined reporting.</li></ul>
<h2 class="jobSectionHeader">Preferred Qualifications:</h2>
<ul><li>Complex facilities commissioning (Tier-III/IV DCs, hospitals, labs) and authority/third-party approvals (e.g., Civil Defense / House of Expertise in KSA).</li><li>
Controls/BMS exposure (Siemens/JCI/Honeywell/etc.), data loggers, trend analysis, and Power BI/advanced Excel for trackers.</li></ul></div>

Commissioning Mechanical Engineer

WSP in the Middle East

<div>
 
 Job Description
 
 
 
 WSP is seeking an experienced Senior Mechanical Engineer to support a large-scale infrastructure program in Riyadh under our PMC scope. The role involves overseeing complex mechanical utility networks, facility buildings, mechanical systems integration, and Testing &amp; Commissioning (T&amp;C) activities through all project stages&mdash;design, construction, and handover.
 
 
 The ideal candidate will possess deep technical expertise, strong stakeholder coordination abilities, and a proven record of managing multidisciplinary teams on major infrastructure projects.
 
 
 
 Responsibilities
 
 
 
 <ul>
 <li>
 Infrastructure Utility Networks
 </li>
 <li>
 Oversee mechanical engineering components related to complex infrastructure utility networks, ensuring compliance with project specifications and authority requirements.
 </li>
 <li>
 Review design drawings, method statements, and technical submittals related to utility systems.
 </li>
 <li>
 Facility Buildings
 </li>
 <li>
 Manage mechanical works associated with facility buildings, including small structures such as restrooms, service blocks, pump rooms, and similar facilities.
 </li>
 <li>
 Ensure all building mechanical systems meet safety, performance, and quality standards.
 </li>
 <li>
 Water Treatment Systems (WTP)
 </li>
 <li>
 Review and supervise mechanical works related to Water Treatment Plants (WTP) and associated systems.
 </li>
 <li>
 Coordinate with water infrastructure teams and asset owners to ensure smooth integration and commissioning.
 </li>
 <li>
 Construction &amp; Site Management
 </li>
 <li>
 Manage and guide site teams, providing technical support and direction to contractors, consultants, and stakeholders.
 </li>
 <li>
 Conduct site inspections and ensure all mechanical activities align with project timelines and QA/QC procedures.
 </li>
 <li>
 Stakeholder Coordination
 </li>
 <li>
 Coordinate effectively with:
 </li>
 <ul>
 <li>
 Asset owners
 </li>
 <li>
 Discipline leads
 </li>
 <li>
 Project controls
 </li>
 <li>
 Construction supervision teams
 </li>
 <li>
 External authorities
 </li>
 </ul>
 <li>
 Resolve technical issues and interface challenges across multiple project streams.
 </li>
 <li>
 Codes, Standards &amp; Compliance
 </li>
 <li>
 Ensure all mechanical systems comply with:
 </li>
 <ul>
 <li>
 Relevant mechanical codes and standards
 </li>
 <li>
 Local authority regulations
 </li>
 <li>
 International best practices
 </li>
 </ul>
 <li>
 Review contractor compliance and provide technical recommendations.
 </li>
 <li>
 Documentation &amp; Technical Management
 </li>
 <li>
 Oversee all mechanical project documentation from design through to handover.
 </li>
 <li>
 Lead the preparation, review, and approval of:
 </li>
 <ul>
 <li>
 Mechanical design packages
 </li>
 <li>
 Technical submittals
 </li>
 <li>
 As‑built documentation
 </li>
 <li>
 O&amp;M manuals
 </li>
 </ul>
 <li>
 Testing &amp; Commissioning (T&amp;C)
 </li>
 <li>
 Provide strong technical leadership during the Testing &amp; Commissioning stage.
 </li>
 <li>
 Ensure T&amp;C plans, procedures, checklists, and documentation meet project and stakeholder requirements.
 </li>
 <li>
 Support system handover processes and ensure completeness of all deliverables.
 
 
 </li>
 </ul>
 
 Qualifications
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Mechanical Engineering or related discipline.
 </li>
 <li>
 Minimum 15 years of relevant experience, ideally on large-scale PMC infrastructure projects.
 </li>
 <li>
 Strong background in:
 </li>
 <ul>
 <li>
 Utility networks
 </li>
 <li>
 WTP or related water infrastructure
 </li>
 <li>
 Facility building mechanical systems
 </li>
 <li>
 T&amp;C for mechanical systems
 </li>
 </ul>
 <li>
 Demonstrated ability to coordinate across multidisciplinary teams.
 </li>
 <li>
 Excellent understanding of mechanical codes and standards.
 </li>
 <li>
 Strong communication, reporting, and stakeholder-management skills.
 </li>
 <li>
 SCE certificate is mandatory
 
 
 </li>
 </ul>
 Imagine a better future for you and a better future for us all.
 
 
 Join our close-knit community of talented individuals who share your passion for making a positive impact. Our global team includes more than 69,000 employees, working together to make a difference in communities both close to home and around the world.
 
 
 With us, you can. Apply today
</div>

Senior Mechanical Engineer

DB Engineering & Consulting

<div>
 
 DB Engineering &amp; Consulting is a part of the DB group, a world-leading global railway company with an extensive organization in Germany and projects around the world. Our company offers technically sophisticated and customized infrastructure, mobility and transport solutions. With our sustainable concepts, gained from our experience in project work for decades, we ensure the future success of economic regions, make important contributions to the protection of the environment and help shape the world of the future. We represent 180 years of rail experience, and our infrastructure projects connect continents. We set the standard for transportation and modern mobility.
 
 
 
 
 
 For Saudi Arabia, we are looking for a passionate Mechanical Engineer (Tunnel Ventilation) (m/f/d).
 
 
 
 
 
 
 
 
 
 Responsibilities:
 
 
 
 
 
 <ul>
 <li>
 Review and validate all tunnel ventilation designs, calculations, simulations, and associated mechanical system documentation to ensure compliance with the D&amp;B Contract, NFPA 130, and Employer Requirements.
 </li>
 <li>
 Oversee installation and commissioning of tunnel ventilation systems, including fans, ducts, dampers, control logic, sensors, ventilation shafts, and smoke extraction systems.
 </li>
 <li>
 Verify ventilation zone configuration, ensuring that emergency scenarios can accommodate one train per direction within each zone in accordance with system requirements.
 </li>
 <li>
 Participate in inspections, NCR management, quality oversight, and verification of corrective actions to ensure mechanical system compliance and construction quality.
 </li>
 <li>
 Support testing &amp; commissioning activities, including functional tests, integration tests, fire/life‑safety tests, and emergency ventilation scenario validation.
 </li>
 <li>
 Coordinate tunnel ventilation interfaces with fire protection, SCADA, signalling/ATC, power systems, evacuation shafts, and station HVAC systems to ensure seamless integration.
 </li>
 <li>
 Review operational and maintenance documentation&mdash;including O&amp;M manuals, method statements, control philosophies, and as‑built documentation&mdash;for technical accuracy.
 </li>
 <li>
 Prepare technical reports, ventilation system assessments, compliance updates, and commissioning progress documentation for Employer review as part of PMCM reporting.
 </li>
 </ul>
 
 
 
 
 
 Qualifications:
 
 
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Mechanical Engineering or a related discipline, with 12+ years of experience in tunnel ventilation or rail/metro mechanical systems
 </li>
 <li>
 Strong experience in mechanical ventilation, smoke management, tunnel ventilation design, and fire/life‑safety engineering for metro or large‑scale infrastructure projects.
 </li>
 <li>
 Deep understanding of NFPA 130 requirements, ventilation zone strategies, evacuation criteria, and emergency ventilation behaviour.
 </li>
 <li>
 Proven ability to review mechanical designs, CFD simulations, control logic, mechanical schematics, and commissioning deliverables.
 </li>
 <li>
 Familiarity with RAMS requirements, maintainability considerations, and system availability expectations for mechanical safety systems.
 </li>
 <li>
 Strong analytical and problem‑solving skills to evaluate ventilation performance, diagnose issues, and propose engineering solutions.
 </li>
 <li>
 Excellent coordination and communication skills for effective engagement with PMCM teams, D&amp;B Contractors, O&amp;M Entities, and Employer stakeholders.
 </li>
 <li>
 High level of professionalism, safety awareness, and adaptability suitable for a complex multi‑system metro megaproject.
 </li>
 </ul>
</div>

Mechanical Engineer (Tunnel Ventilation) (f/m/d)

MAS Engineering & Construction Co. Ltd

MAS Engineering &amp; Construction Co. Ltd. is pleased to announce the following vacancies:Engineer (Electrical, Mechanical, Civil)Fresh Graduates or 1&ndash;3 Years of ExperienceMale &amp; Female Candidates WelcomeJob Summary:We are seeking qualified and experienced Engineers in Electrical, Mechanical, and Civil disciplines to join our team. The ideal candidates will be responsible for planning, designing, supervising, and executing engineering projects while ensuring compliance with safety and quality standards.Key Responsibilities:General Responsibilities (All Disciplines):Plan, design, and oversee engineering projects.Ensure work is completed on time, within budget, and according to specifications.Coordinate with project teams, contractors, and clients.Prepare technical reports, drawings, and documentation.Ensure compliance with safety regulations and company policies.Monitor project progress and resolve any technical issues.Electrical Engineer:Design and maintain electrical systems and equipment.Supervise installation, testing, and commissioning of electrical systems.Troubleshoot electrical faults and ensure system efficiency.Ensure compliance with electrical standards and regulations.Mechanical Engineer:Design and oversee mechanical systems such as HVAC, piping, and machinery.Conduct maintenance and troubleshooting of mechanical equipment.Ensure optimal performance and efficiency of systems.Review and approve mechanical drawings and specifications.Civil Engineer:Plan, design, and supervise construction projects.Ensure structural integrity and compliance with design specifications.Monitor site activities and manage construction teams.Review drawings, BOQs, and project schedules.Qualifications:Bachelor&rsquo;s Degree in Electrical, Mechanical, or Civil Engineering.Minimum 3&ndash;5 years of relevant experience.Strong knowledge of engineering principles and standards.Proficiency in relevant software (AutoCAD, MS Office, etc.).Good communication and problem-solving skills.⭐ What We Offer:Professional working environment within mega-projects.Learning and career-development opportunities.Competitive salary and benefits package.How to Apply:Please send your CV and mention&ldquo;((Electrical, Mechanical, Civil))Engineer &ndash; Fresh Graduate&rdquo;in the email subject line to:???? recruitment@masecc.comJob Type: Full-timeWork Location: In person

Engineer (Electrical, Mechanical, Civil) (Saudi National Only)

Engineering House Company

Job Summary:We are looking for a skilled Technical Mechanical Engineer with strong experience in the technical office of construction projects. The ideal candidate will have hands-on expertise in design coordination, shop drawings, and mechanical systems related to building construction.Key Responsibilities:<ul><li>Prepare and review shop drawings, as-built drawings, and technical submittals</li><li>Coordinate with site teams, consultants, and other disciplines (Civil, Electrical)</li><li>Ensure all mechanical works comply with project specifications and standards</li><li>Support project execution through technical guidance and problem-solving</li><li>Review BOQs, material specifications, and technical documentation</li><li>Assist in project planning, cost estimation, and procurement support</li><li>Monitor site progress and ensure proper implementation of approved drawings</li><li>Handle RFIs, technical queries, and design clarifications</li></ul>Requirements:<ul><li>Bachelor&rsquo;s Degree in Mechanical Engineering</li><li>5&ndash;7 years of experience in construction/contracting companies</li><li>Strong experience in Technical Office (construction projects)</li><li>Proven experience in building construction projects (HVAC, Plumbing, Fire Fighting systems)</li><li>Hands-on experience in REVIT &amp; AutoCAD</li><li>Strong knowledge of shop drawings and coordination drawings</li><li>Good communication and problem-solving skills</li></ul>Preferred Qualifications:<ul><li>Previous site engineer experience with contracting companies</li><li>Experience in Saudi Arabia or GCC is an advantage</li><li>Familiarity with local standards and regulations</li></ul>Benefits:<ul><li>Competitive salary package</li><li>Accommodation &amp; transportation provided</li><li>Medical insurance</li><li>Career growth opportunities</li></ul>Pay: ﷼5,000.00 - ﷼7,000.00 per monthWork Location: In person

Mechanical Technical Engineer

Explore 906+ Mechanical systems engineer in Riyadh this April. Find roles across top companies and apply now to boost your career.

906 mechanical systems engineer jobs In Riyadh

Mechanical Engineer

Mechanical Engineer

Commissioning Mechanical Engineer

Senior Mechanical Engineer

Mechanical Engineer (Tunnel Ventilation) (f/m/d)

Engineer (Electrical, Mechanical, Civil) (Saudi National Only)

Mechanical Technical Engineer