mechanical commissioning engineer

CSI Global

<div><h1 class="jobSectionHeader">Job Title: Sr. 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 an experienced Sr. Commissioning Mechanical Engineer who will lead end-to-end commissioning of mechanical building systems, HVAC, chilled water, plumbing, and fire protection, so the asset reaches safe, code-compliant, verifiably performing handover (FAC) on time and with complete documentation.
<h2 class="jobSectionHeader">Key Responsibilities:</h2>
<ul><li>Plan and run the Cx program (lots, sequences, windows) aligned to the construction master schedule; maintain a live Commissioning Activity Tracker (CAT), punch lists, and risk register.</li><li>
Prepare/review ITPs, pre-functional checklists (PFCs), method statements, and test packs; execute FPT / SAT / IST and close Consultant comments to final acceptance.</li><li>
Commission Core Systems:<ul><li>
HVAC &amp; CW/CHW: AHUs/FAHUs/FCUs, pumps, valves, coils, heat exchangers, VAVs, dampers; hydronic flushing/cleaning, water quality, flow balancing, TAB and thermal performance verification.</li><li>
Ventilation/Smoke Control: pressurization fans, stairwell/lobby pressurization, car park ventilation, CO systems.</li><li>
Plumbing &amp; Drainage: pressure tests, chlorination/disinfection, functional tests (H/W mixing, PRVs, transfer pumps).</li><li>
Fire Protection: hydrostatic tests, pump performance curves, jockey sequencing, alarm/interlock checks, FA / BMS integration.</li></ul></li><li>
Validate controls and BMS interfaces (points mapping, sequences of operation, alarms/safeties) and participate in Integrated Systems Testing with FA/ELV.</li><li>
Coordinate daily with GC/Subs/Vendors/Consultant on prerequisites, access/permit-to-work, and energization/commissioning windows.</li><li>
Produce O&amp;M manuals, training materials, spares lists, warranties; deliver client training and signoffs.</li><li>
Drive regular progress/technical/Cx meetings; surface risks early and execute recovery plans.</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, airports, data centers, high-rise, industrial).</li><li>
BSc in Mechanical Engineering (or equivalent).</li><li>
Hands-on with TAB, hydronic balancing, ventilation balancing, pressure/leak tests, chlorination, smoke control performance tests, pump curves, equipment functional tests, and IST participation.</li><li>
Strong documentation discipline (ITPs, PFCs, test packs, SAT/IST reports, certificates; red-lines/as-builts).</li><li>
Working knowledge of codes/standards (ASHRAE, SMACNA/DW144, NFPA, IPC, CIBSE, ISO) and safety/permit processes.</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><li>
Experience with acoustic/vibration tests and thermal imaging for envelope/HVAC diagnostics.</li></ul></div>

Sr. Commissioning Mechanical Engineer

WALCO MIDDLE EAST

Job Opportunity Pipe Engineer (Pre-Commissioning &amp; Commissioning ) &ndash; QatarTechForce &ndash; WALCO Middle East is seeking an experienced Pipe Engineer to join our team for pre-commissioning and Commissioning) within ongoing oil and gas projects in Qatar.Position: Pipe Engineer (PCC / Pre-Commissioning and Commissioning and Commissioning)Key Requirements:<ul><li>Minimum 5 years of experience in PCC (Pre-Commissioning and Commissioning)</li><li>Proven hands-on expertise in air blowing and hydrotesting.</li><li>At least 10 years of total experience in the oil and gas industry.</li><li>B.Tech in Mechanical Engineering (or equivalent Mechanical degree).</li><li>Minimum age: 35 years.</li><li>Must be currently based in Qatar and available to join immediately.</li></ul>Application Details: Interested candidates are invited to apply by sending their CV to techforce_operations@walco.qa. Please mention &ldquo;Pipe Engineer &ndash; PCC&rdquo; in the email subject line and include your expected joining date.Alternatively, you may contact us via WhatsApp (messages only) at 30018480.Job Type: Contract Contract length: 6 monthsWork Location: In person

Pipe Engineer (Pre-Commissioning & Commissioning )

WALCO MIDDLE EAST - LC

Job Description:TechForce &ndash; WALCO Middle East is seeking an experienced Pipe Engineer to join our team for Pre-Commissioning and Commissioning activities within ongoing Oil &amp; Gas projects in Qatar.Key Requirements:<ul><li>Minimum 5 years of experience in PCC (Pre-Commissioning &amp; Commissioning)</li><li>Proven hands-on experience in air blowing and hydrotesting</li><li>At least 10 years of total experience in the Oil &amp; Gas industry</li><li>B.Tech in Mechanical Engineering or equivalent Mechanical degree</li><li>Minimum age: 35 years</li><li>Must be currently based in Qatar and available for immediate joining</li></ul>Job Types: Full-time, Contract Contract length: 6 monthsPay: QAR8,000.00 - QAR12,000.00 per monthWork Location: Hybrid remote in Dukhān

Pipe Engineer – Pre-Commissioning & Commissioning (Oil & Gas – Qatar)

McDermott

<div>Job Overview:
The Commissioning Engineer applies their conceptual knowledge of Commissioning (Eng) and, with a moderate level of guidance and direction from colleagues and leadership, is responsible for solving a range of straightforward Commissioning (Eng) problems. They will be responsible for analyzing possible solutions using standard procedures and building knowledge of the company, processes, and customers. The Commissioning Engineer understands critical business drivers and applies this knowledge to solve problems in straightforward situations by analyzing possible solutions using technical experience, judgment, and precedents.</div>
 <div><div>Our ingenuity fuels daily life. Together, we&rsquo;ve forged some of the most trusted partnerships across the energy value chain to make what was once just an idea a reality: laying subsea infrastructure thousands of feet below sea level, installing platforms hundreds of miles from shore, using our expertise to design and build offshore wind infrastructure, and reshaping the onshore landscape to deliver the energy products the world needs safely and sustainably.
 
 
For more than 100 years, we've been making the impossible possible. Today, we're driving the energy transition with more than 30,000 of the brightest minds across 54 countries.</div></div>
 <div>Key Tasks and Responsibilities:
<ul><li>Report to the Commissioning Manager and provide support to the Principal Commissioning Engineer in the preparation of home office deliverables
</li><li>At the site, participate in walk-down inspections, punch listing, and testing including troubleshooting of mechanical, electrical &amp; instrument component issues that can arise on the project
</li><li>Work collaboration within the Project team and with the Client to maintain positive relationships
</li><li>Required to support the commissioning team with performing any of the following activities as a minimum
<ul><li>Operate and maintain Manuals development
</li><li>Commissioning and Start-up Spares development
</li><li>First Fills and Consumables development
</li><li>Commissioning and Start-Up Procedures
</li><li>Discipline Equipment system checks and tests
</li><li>Function testing of mechanical, electrical, and instrument systems
</li><li>Participate in Commissioning, Start-Up, and Performance Testing
</li><li>Resolve operational and maintenance issues during Commissioning, Start-Up, and Performance Tests
</li></ul></li><li>Supervise craft personnel required for site pre-commissioning and commissioning activities
</li><li>Coordinate activities with other engineers in the commissioning team
 </li></ul>Reports to:
 
Project: Project Commissioning Manager
 
Functional: Function Commissioning Manager
 
Liaise with: Commissioning Manager, Discipline Lead Engineers, Project Engineers, Construction/Fabrication team
 
Supervises: Support personnel within the function group</div>
 <div>Essential Qualifications and Education:
<ul><li>Bachelor&rsquo;s degree or equivalent in Engineering
</li><li>3-8 years of experience in oil and gas with a major contractor or consultant
</li><li>Requires a good understanding of concepts, principles, and practices in commissioning, completions, and training as well as basic knowledge of other functions, such as construction and operations &amp; maintenance
</li><li>Applies understanding of the industry to improve effectiveness
</li><li>Preferably possess a degree or diploma or equivalent in engineering
</li><li>Have a minimum of 3 years of experience in a chemical, refinery, or oil &amp; gas process facility
</li><li>Prefer 2+ years of previous commissioning and start-up experience in the chemical, refinery, or oil &amp; gas industry
</li><li>Able to effectively communicate technical solutions and concepts to other engineers and non-engineers
</li><li>Must have good computer software skills in MS Word, Excel, PowerPoint, Visio
</li><li>Must have good organizational skills and be adaptable to the needs of various discipline groups
</li><li>Must have the ability to assess and communicate project requirements and expectations in a clearly defined, positive, and productive manner
</li><li>Willing and able to travel to construction sites on assignments to international sites
</li><li>Proficiency in English, Multi-Language skills a plus
</li></ul>#LI-AL2</div>

Commissioning Engineer - Electrical

<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

Projecttech

<div><div><div><div>Location: Worcester, USA
Department: Commissioning / Mechanical Systems
Start: ASAP
Context:
As part of major industrial and cleanroom facility projects, the HVAC Commissioning Engineer is responsible for verifying and validating the performance, reliability, and regulatory compliance of all mechanical and HVAC systems.
The role involves hands-on technical work, coordination with multiple stakeholders, and ensuring full alignment with project QA/QC, HSE, and client requirements throughout all commissioning phases.
Main Responsibilities:
<div><ul><li>Commissioning Preparation</li></ul>
</div><ul><li>Develop and review commissioning plans, protocols, and test sheets for HVAC systems (air treatment units, chilled water, heating, BMS).</li>
<li>Define and organize L1&ndash;L5 commissioning activities, in collaboration with engineering and construction teams.</li>
</ul><div><ul><li>Testing and Performance Verification</li></ul>
</div><ul><li>Execute or supervise testing, adjusting, and balancing (TAB) for air and water systems.</li>
<li>Verify functional performance, control sequences, and BMS integration.</li>
<li>Monitor and document system performance against design intent and regulatory standards.</li>
</ul><div><ul><li>Documentation and Quality Assurance</li></ul>
</div><ul><li>Manage and maintain all commissioning documentation (procedures, test records, deviation reports).</li>
<li>Ensure all activities comply with QA/QC procedures and traceability requirements.</li>
<li>Contribute to the Turnover Documentation (L5 phase) and client handover packages.</li>
</ul><div><ul><li>Coordination and Support</li></ul>
</div><ul><li>Collaborate closely with design, construction, and client commissioning teams to resolve technical issues.</li>
<li>Participate in system troubleshooting, defect correction, and punch list management.</li>
<li>Support performance validation, qualification tests, and final acceptance phases.</li>
</ul>Profile:
Education:
Degree in HVAC, Mechanical, or Energy Engineering (or equivalent).
Experience:
3&ndash;5 years of experience in HVAC commissioning within industrial, cleanroom, or data center environments.
Technical Skills:
<ul><li>Strong knowledge of air/water balancing, BMS integration, and functional performance testing.</li>
<li>Understanding of HVAC systems, cleanroom airflows, and validation protocols.</li>
<li>Familiar with commissioning standards (ASHRAE, SMACNA, ISO).</li>
</ul>Soft Skills:
<ul><li>Methodical, organized, and quality-oriented.</li>
<li>Strong analytical and troubleshooting abilities.</li>
<li>Excellent communication and teamwork skills.</li>
<li>Autonomous and proactive in problem-solving.</li>
</ul>Languages:
English: fluent (technical and conversational).
Additional European languages are an advantage.
</div><div><div><div><div>Job Category: Industrial
</div><div>Job Type: Engineering
</div><div>Job Location: usa Worcester</div></div></div></div></div></div></div>

HVAC Commissioning Engineer (J25-242)

ALEMCO

<div>
 
 
 Testing &amp; Commissioning Engineer - UAE
 
 
 
 
 
 
 
 Are you a hands-on professional with a passion for precision and performance? Join us in delivering high-quality MEP systems for landmark projects in the UAE.
 
 
 
 
 
 
 
 We are building a talent pipeline and are interested in connecting with potential candidates for future opportunities. This posting is to gather expressions of interest for upcoming roles.
 
 
 
 
 
 
 This role is based on-site in the UAE and will require relocation.
 
 
 
 
 
 
 Who we are!
 
 
 
 ALEC Engineering and Contracting L.L.C. (ALEC), part of ICD, is a leading GCC construction company known for delivering complex, high-profile projects. With 20+ years of experience, ALEC builds across sectors including airports, hospitality, retail, and high-rises
 
 
 
 
 
 In the UAE, ALEC has delivered many of the nation&rsquo;s most iconic developments, operating as a fully integrated contractor through specialist business units that provide end-to-end construction solutions.
 
 
 
 
 
 ALEMCO provides integrated MEP and facilities services that power some of the region&rsquo;s most ambitious developments. From electrical systems to long-term maintenance, we focus on technical reliability and sustainable performance - supported by an inclusive and skilled team with a passion for engineering excellence.
 
 
 
 
 
 
 Why Join Us?
 
 
 
 As a Commissioning Engineer, you&rsquo;ll lead the commissioning of our data center facilities. The successful candidate will ensure that all systems, including electrical, mechanical, and IT infrastructure, are installed, tested, and operational according to design specifications, industry standards, and client requirements.
 
 
 
 
 
 At ALEMCO, we&rsquo;re about more than just building iconic structures - we&rsquo;re about building exceptional careers. As a trusted partner to some of the region&rsquo;s most ambitious projects, we value innovation, operational excellence, and our people. Join us to deliver Project Planning and Controls initiatives that directly shape our business success, from sourcing candidates to enhancing candidate experiences.
 
 
 
 
 
 
 Your Role
 
 
 <ul>
 <li>
 Plan, execute, and manage commissioning of data center systems including:
 </li>
 <li>
 Electrical power systems (UPS, generators, switchgear)
 </li>
 <li>
 Cooling and HVAC systems
 </li>
 <li>
 Fire detection and suppression systems
 </li>
 <li>
 Building management and monitoring systems (BMS/DCIM)
 </li>
 <li>
 Perform functional testing, troubleshooting, and performance verification.
 </li>
 <li>
 Coordinate with project teams, contractors, and clients for smooth handover.
 </li>
 <li>
 Prepare detailed commissioning reports, test documentation, and as-built records.
 </li>
 <li>
 Ensure compliance with safety standards, TIA-942, Uptime Institute, and other relevant codes.
 </li>
 <li>
 Provide technical support and training to operations teams during handover.
 </li>
 </ul>
 
 
 
 
 
 What We&rsquo;re Looking For
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Electrical, Mechanical, or related Engineering discipline.
 </li>
 <li>
 Proven experience commissioning data center infrastructure (Tier I&ndash;IV).
 </li>
 <li>
 Strong knowledge of UPS, generators, CRAC/CRAH units, fire suppression, and monitoring systems.
 </li>
 <li>
 Familiarity with industry standards (TIA-942, Uptime Institute, NFPA, IEC).
 </li>
 <li>
 Excellent analytical, problem-solving, and communication skills.
 </li>
 <li>
 Ability to work independently and collaborate with multidisciplinary teams.
 </li>
 </ul>
 
 
 
 
 
 What We Offer
 
 
 <ul>
 <li>
 Total package of salary, UAE Employment Visa, Medical Insurance &amp; Annual ticket allowance.
 </li>
 <li>
 The chance to contribute to some of the UAE's most iconic projects.
 </li>
 <li>
 A collaborative, supportive environment that values innovation and excellence.
 </li>
 <li>
 Opportunities for professional growth and career progression.
 </li>
 </ul>
 
 
 
 
 
 Ready to Lead?
 
 
 
 If you&rsquo;re inspired by what you&rsquo;ve read and believe you&rsquo;re the right fit, we&rsquo;d love to hear from you.
 
 
 Join ALEMCO and shape the future of infrastructure delivery in the UAE.
 
 
 
 
 
 Apply today and be part of something extraordinary.
 
</div>

Testing & Commissioning Engineer

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