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mechanical commissioning engineer

CSI Global

<div><h1 class="jobSectionHeader"><b>Job Title: </b><b>Sr. Commissioning Mechanical Engineer</b></h1>
 <h1 class="jobSectionHeader"><b>Location: </b><b>Riyadh / KSA</b></h1>
 <h1 class="jobSectionHeader"><b>Employment Type: </b><b>Full-Time | On-Site</b></h1>
<p></p><h3 class="jobSectionHeader"><b>About CSI Global:</b></h3>
<p>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.</p>
 <h3 class="jobSectionHeader"><b>Position Overview:</b></h3>
<p>We are seeking an experienced <b>Sr. Commissioning Mechanical Engineer</b> who will lead end-to-end commissioning of mechanical building systems, <b>HVAC, chilled water, plumbing, and fire protection, </b>so the asset reaches <b>safe, code-compliant, verifiably performing</b> handover (FAC) on time and with complete documentation.</p>
 <h3 class="jobSectionHeader"><b>Key Responsibilities:</b></h3>
<ul><li>Plan and run the Cx program (lots, sequences, windows) aligned to the construction master schedule; maintain a live <b><i>Commissioning Activity Tracker (CAT)</i></b>, punch lists, and risk register.</li><li>
Prepare/review <b><i>ITPs, pre-functional checklists (PFCs)</i></b>, method statements, and test packs; execute FPT / SAT / IST and close Consultant comments to final acceptance.</li><li><b><i>
Commission Core Systems</i></b>:<ul><li><b><i>
HVAC &amp; CW/CHW:</i></b> AHUs/FAHUs/FCUs, pumps, valves, coils, heat exchangers, VAVs, dampers; hydronic flushing/cleaning, water quality, flow balancing, TAB and thermal performance verification.</li><li><b>
Ventilation/Smoke Control:</b> pressurization fans, stairwell/lobby pressurization, car park ventilation, CO systems.</li><li><b>
Plumbing &amp; Drainage:</b> pressure tests, chlorination/disinfection, functional tests (H/W mixing, PRVs, transfer pumps).</li><li><b>
Fire Protection:</b> hydrostatic tests, pump performance curves, jockey sequencing, alarm/interlock checks, FA / BMS integration.</li></ul></li><li>
Validate controls and <b><i>BMS interfaces</i></b> (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 <b><i>O&amp;M manuals, training materials</i></b>, spares lists, warranties; deliver client training and signoffs.</li><li>
Drive regular progress/technical/<b><i>Cx meetings</i></b>; surface risks early and execute recovery plans.</li></ul>
 <h3 class="jobSectionHeader"><b>Required Qualifications:</b></h3>
<ul><li><b><i>5&ndash;8 years</i></b> of mechanical testing &amp; commissioning on mid-to-large projects (healthcare, airports, data centers, high-rise, industrial).</li><li>
BSc in <b><i>Mechanical Engineering</i></b> (or equivalent).</li><li>
Hands-on with <b>TAB</b>, 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 (<b><i>ITPs, PFCs, test packs, SAT/IST reports, certificates</i></b>; red-lines/as-builts).</li><li>
Working knowledge of codes/standards (<b><i>ASHRAE, SMACNA/DW144, NFPA, IPC, CIBSE, ISO</i></b>) and safety/permit processes.</li></ul>
 <h3 class="jobSectionHeader"><b>Preferred Qualifications:</b></h3>
<ul><li>Complex facilities commissioning (Tier-III/IV DCs, hospitals, labs) and authority/third-party approvals (e.g., <b><i>Civil Defense / House of Expertise</i></b> 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

L&T Technology Services Ltd.

<div><div><div>Commissioning Engineer - E&amp;I</div><p>LNT/CE/1487189</p><ul>
WET-Water &amp; Effluent Treatment ICRiyadh</ul></div><div><div><div><ul><div><div><div>
Posted On</div><div>
24 Sep 2025</div></div></div><div><div><div>
End Date</div><div>
23 Mar 2026</div></div></div><div><div><div>
Required Experience</div><div>
10 - 15 Years</div></div></div></ul></div></div></div></div>
<br><div><div><div>Skills</div></div><div><div><p>
Knowledge &amp; Posting Location</p><div><p>
TESTING
</p><p>COMMISSIONING MANAGEMENT
</p><p>COMMISSIONING SUPPORT
</p><p>AUTOMATION
</p><p>DCS
</p><p>CONTROL SYSTEM
</p></div></div><div><p>Minimum Qualification</p><div><p>
BACHELOR OF ENGINEERING (BE)</p></div></div></div></div>
<br><div><div><div>Job Description</div></div><div><p>
Testing and Commissioing Engineer</p><p>
10-15 years experiance</p><p></p><p><br>
Create comprehensive test procedures and plans to verify system functionality.</p><p>
Execute a variety of tests on electrical, Instrument and other systems to confirm performance and safety.</p><p>
Prepare detailed test reports, technical documentation, and safety assessments to record findings and demonstrate compliance.</p><p>
Identify, diagnose, and resolve any defects or problems found during the testing phase.</p><p>
Work closely with engineers, project managers, vendors, and clients to ensure smooth project execution and timely completion.</p><p>
Implement and enforce safety protocols to maintain a safe work environment during commissioning activities</p><p>
A Bachelor's or Diploma in Electrical, Instruemnt, or a related engineering field.</p><p>
Expertise in the specific systems being commissioned</p></div></div><p></p>

Commissioning Engineer - E&I

Mukhtar Sons Group

<p><b>About the Role:</b><br/>We are seeking an experienced Commissioning Engineer with strong expertise in <b>Trend Building Management Systems (BMS)</b> to join our team. The ideal candidate will be responsible for commissioning, testing, and validating Trend systems to ensure they operate effectively, efficiently, and in line with project specifications.</p><p><b>Key Responsibilities:</b></p><ul><li>Commission, configure, and test Trend BMS systems across various projects.</li><li>Review control system designs, specifications, and drawings to ensure compliance.</li><li>Carry out system calibration, functional testing, and cause &amp; effect testing.</li><li>Provide technical support during installation and integration with third-party systems.</li><li>Generate commissioning documentation, reports, and client handover manuals.</li><li>Train clients and end-users on system operation and maintenance.</li><li>Work closely with project managers, consultants, and site teams to ensure smooth project delivery.</li></ul><p><b>Qualifications &amp; Experience:</b></p><ul><li>Degree in Electrical or Building Services Engineering.</li><li>Proven experience in commissioning Trend BMS systems.</li><li>Knowledge of HVAC systems and control strategies.</li><li>Strong troubleshooting and problem-solving skills.</li><li>Excellent communication and documentation abilities.</li><li>Ability to work independently and manage workload effectively.</li></ul><p><b>What We Offer:</b></p><ul><li>Competitive salary and benefits package.</li><li>Opportunity to work on high-profile projects.</li><li>Professional growth and career development.</li><li>Supportive and collaborative work environment.</li></ul><p>Job Type: Full-time</p>

Commissioning Engineer – Trend BMS

<div><h1 class="jobSectionHeader"><b>Job Title: </b><b>Sr. Commissioning ELV Engineer</b></h1>
 <h1 class="jobSectionHeader"><b>Location: </b><b>Riyadh / KSA</b></h1>
 <h1 class="jobSectionHeader"><b>Employment Type: </b><b>Full-Time | On-Site</b></h1>
<p></p><h3 class="jobSectionHeader"><b>About CSI Global:</b></h3>
<p>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.</p>
 <h3 class="jobSectionHeader"><b>Position Overview:</b></h3>
<p>We are seeking an experienced <b>Sr. Commissioning ELV Engineer</b> who will own end-to-end commissioning of <b><i>ELV / ICT / BMS / SAS / Fire &amp; Life Safety</i></b> systems on complex projects, ensuring standalone verification and seamless Integrated Systems Testing (IST) to handover on time, to spec, and fully documented.</p>
 <h3 class="jobSectionHeader"><b>Key Responsibilities:</b></h3>
<ul><li>Lead day-to-day ELV commissioning planning, priorities, and resourcing; maintain live trackers and punch/defect logs.</li><li>
Execute and witness standalone tests (<b><i>FAT / SAT / FPT</i></b>) before consultant inspections, close comments to final approval.</li><li>
Drive Integrated Testing across subsystems (<b><i>FLS, BMS, Security, ICT/Network, PA/VA, Access, CCTV, SAS</i></b>, etc.).</li><li>
Review IFC/shop drawings, specs, and method statements to confirm install/commission ability; raise/resolve TQs.</li><li>
Coordinate with Main Contractor, MEP, vendors, and Consultant for approvals, energization windows, and change impacts.</li><li>
Inspect and <b><i>sign off test packs, WIRs / MIRs</i></b>; ensure documentation is version-controlled and audit-ready.</li><li>
Monitor construction readiness and <b><i>LV panel energization milestones</i></b>; escalate risks/constraints early.</li><li>
Ensure <b><i>FLS MCI</i></b> (where applicable) is inspected and approved by authorized third parties/House of Expertise.</li><li>
Lead site teams for <b><i>ELV / ICT / BMS / SAS scope</i></b>; support as-built creation and project closure dossiers (O&amp;M, training, spares).</li></ul>
 <h3 class="jobSectionHeader"><b>Required Qualifications:</b></h3>
<ul><li>5&ndash;8 years in ELV/low-current systems with proven commissioning leadership on mid-to-large projects.</li><li>
Bachelor's in <b><i>Electrical Engineering</i></b> (or closely related).</li><li>
Hands-on with <b><i>FAT / SAT /FPT, IST</i></b> planning/execution, and Consultant witnessing to final acceptance.</li><li>
Strong documentation discipline (test packs, ITPs, method statements, trackers, red-lines, as-builts).</li><li>
Working knowledge of relevant codes/standards (<b><i>NFPA, IEC / BS EN, TIA / BICSI</i></b>) and LV energization safety.</li><li>
Stakeholder management with GC/Consultant/subs; crisp technical communication and TQ handling.</li></ul>
 <h3 class="jobSectionHeader"><b>Preferred Qualifications:</b></h3>
<ul><li>Commissioning on healthcare, airports, data centers, rail, or high-rise.</li><li>
Vendor familiarity (e.g., Honeywell/JCI/Siemens/BMS; ACS/CCTV/Access; PAVA; structured cabling).</li><li>
Experience with third-party certifications/Authority approvals (e.g., Civil Defense/House of Expertise).</li></ul></div>

Sr. Commissioning ELV Engineer

<div><h1 class="jobSectionHeader"><b>Job Title: </b><b>Commissioning Electrical Engineer</b></h1>
 <h1 class="jobSectionHeader"><b>Location: </b><b>Riyadh / KSA</b></h1>
 <h1 class="jobSectionHeader"><b>Employment Type: </b><b>Full-Time | On-Site</b></h1>
<p></p><h3 class="jobSectionHeader"><b>About CSI Global:</b></h3>
<p>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.</p>
 <h3 class="jobSectionHeader"><b>Position Overview:</b></h3>
<p>We are seeking <b>Commissioning Electrical Engineer</b> who will execute commissioning of <b>MV / LV power systems</b> and their interfaces to MEP (HVAC, Fire, BMS) so the asset reaches <b>safe, compliant, documented</b> handover (FAC), on-schedule handover with complete and auditable records.</p>
 <h3 class="jobSectionHeader"><b>Key Responsibilities:</b></h3>
<ul><li>Execute the approved Cx plan (lots/sequences/windows); keep daily progress and punch/defect logs up to date.</li><li>
Perform tests per approved <b>Method Statements / ITPs / Test Packs</b> (pre-functional &amp; functional), capture results with traceable evidence.</li><li><b>
ELV (perform/witness):</b> Fire Alarm &amp; PAVA, BMS interfaces, Access/CCTV, Car-Park Mgmt., Emergency Lighting, Lighting Control, Telecom.</li><li><b>
LV (perform/witness):</b> Generator, <b>ATS, MDB/SMDB/DB, MCC/VFD, PFC, UPS</b>, earthing/grounding, lighting/power circuits.</li><li><b>
MV ~13.8 kV (witness/support):</b> Switchgear, transformers, cables; verify pre-energization prerequisites via checklists.</li><li><b>
Participate on SAT/IST;</b> follow step-by-step procedures; log deviations; provide inputs to <b>RFI/NCR</b> closure.</li><li>
Verify installation vs drawings/specs/codes (<b>IEC/BS EN/NFPA/SBC</b>); raise non-conformities and track to closure.</li><li>
Prepare evidence packs for <b>Saudi Civil Defense</b> inspections (Fire/ELV) and support <b>SEC/House of Expertise</b> engagements.</li><li>
Submit weekly status to the <b>Commissioning Manager</b>; escalate risks early; coordinate with GC/subs/vendors/Consultant.</li></ul>
 <h3 class="jobSectionHeader"><b>Required Qualifications:</b></h3>
<ul><li><b><i>3&ndash;5 years</i></b> of T&amp;C Electrical experience on buildings/industrial/infrastructure.</li><li>
Hands-on with <b>ITPs, test packs, SAT/IST</b>; competent use of test instruments (insulation/continuity, earthing, power quality, etc.).</li><li>
Working knowledge of <b>SBC, IEC/BS EN, NFPA</b>; HSE awareness (<b>PTW/LOTO</b>).</li><li>
Clear technical reporting; drawings/specs literacy; follow-through on actions.</li></ul>
 <h3 class="jobSectionHeader"><b>Preferred Qualifications:</b></h3>
<ul><li>Interfaces with <b><i>BMS / Fire Alarm</i></b> during IST; ELV familiarity is a plus but not core.</li><li>
Exposure to ABB/Schneider/Siemens switchgear; Cummins/Kohler gensets; APC/Eaton UPS.</li><li>
Digital tools for snagging/commissioning, and <b><i>Power BI/advanced Excel</i></b> for trackers and dashboards.</li><li>
Authority/third-party approvals experience (utility tie-ins, Civil Defense/House of Expertise where applicable).</li></ul></div>

Commissioning Electrical Engineer

Siemens Energy

<div>
 <strong>
  A Snapshot of Your Day
  <br/>
  <br/>
 </strong>
 As a Testing and Commissioning Engineer at Siemens Energy, you will thrive in a dynamic and collaborative environment where your expertise is crucial for the successful execution of innovative energy projects. Your day will involve meticulous planning, testing, and commissioning of substation products and systems, ensuring they meet the highest performance and safety standards. You will work closely with project managers and various stakeholders, contributing to a culture of quality and safety while driving projects forward.
 <br/>
 <br/>
 <strong>
  How You&rsquo;ll Make An Impact
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   Conduct testing and commissioning of substation products and partial systems for customers.
  </li>
  <li>
   Facilitate technical clarifications with sub-suppliers, designers, and service providers.
  </li>
  <li>
   Plan and develop site logistics for installation and commissioning activities.
  </li>
  <li>
   Support project managers in risk and claim management.
  </li>
  <li>
   Supervise site activities to ensure alignment with project plans and quality standards.
  </li>
  <li>
   Ensure compliance with EHS requirements and proper handling of testing tools.
   <br/>
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  What You Bring
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   Bachelor&rsquo;s Degree or equivalent experience in Electrical Engineering.
  </li>
  <li>
   At least 5 years of experience in construction site environments.
  </li>
  <li>
   Strong communication, networking, and negotiation skills.
  </li>
  <li>
   Excellent command of English, both written and spoken.
  </li>
  <li>
   Ability to prioritize tasks and manage multiple responsibilities effectively.
  </li>
  <li>
   Effective problem-solving skills and adaptability to diverse cultural needs.
   <br/>
   <br/>
   <br/>
  </li>
 </ul>
 <strong>
  About The Team
  <br/>
  <br/>
 </strong>
 Our Gas Services division offers Low-emission power generation through service and decarbonization. Zero or low emission power generation and all gas turbines under one roof, steam turbines and generators. Decarbonization opportunities through service offerings, modernization, and digitalization of the fleet.
 <br/>
 <br/>
 <strong>
  Who is Siemens Energy?
  <br/>
  <br/>
 </strong>
 At Siemens Energy, we are more than just an energy technology company. With ~100,000 dedicated employees in more than 90 countries, we develop the energy systems of the future, ensuring that the growing energy demand of the global community is met reliably and sustainably. The technologies created in our research departments and factories drive the energy transition and provide the base for one sixth of the world's electricity generation.
 <br/>
 <br/>
 Our distributed team is committed to making sustainable, reliable, and affordable energy a reality by pushing the boundaries of what is possible. We uphold a 150-year legacy of innovation that encourages our search for people who will support our focus on decarbonization, new technologies, and energy transformation.
 <br/>
 <br/>
 Find out how you can make a difference at Siemens Energy: https://www.siemens-energy.com/employeevideo
 <br/>
 <br/>
 <strong>
  Our Commitment to Diversity
  <br/>
  <br/>
 </strong>
 Lucky for us, we are not all the same. Through diversity we generate power. We run on inclusion and our combined creative energy is fueled by over 130 nationalities. Siemens Energy celebrates character &ndash; no matter what ethnic background, gender, age, religion, identity, or disability. We energize society, all of society, and we do not discriminate based on our differences.
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 <strong>
  Rewards/Benefits
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   Opportunities to work with a distributed team
  </li>
  <li>
   Opportunities to work on and lead a variety of innovative projects
  </li>
  <li>
   Medical benefits
  </li>
  <li>
   Time off/Paid holidays and parental leave
  </li>
  <li>
   Continual learning through the Learn@Siemens-Energy platform
  </li>
  <li>
   Access to a variety of employee resource group
   <br/>
   <br/>
   <br/>
  </li>
 </ul>
 https://jobs.siemens-energy.com/jobs
 <br/>
 <br/>
 The job posting will remain open for applications for 14 days from the posting date.
</div>


Testing and Commissioning Engineer - Siemens Energy Saudi Arabia

Submer

<div><p><b>Location &amp; work modality: </b>Riyadh or Eastern Province, Saudi Arabia
</p><p><b>Start:</b> ASAP</p><p><b>
Type of Contract:</b> Full Time / Permanent</p><p></p><p><b><br>
About Submer</b></p><p>
At Submer, we are redefining how data centers are built, integrated, and operated, with sustainability, efficiency, and innovation at the core. Our technology is designed to reduce environmental impact while improving performance and efficiency. We are a purpose-driven company with a passion for innovation and a growing global presence.</p><p></p><p><b><br>
What impact you will have</b></p><p>
We are seeking a Senior Mechanical Engineer to lead the design and delivery of critical mechanical systems for high-density data centers, including both conventional air-cooled facilities and direct liquid cooling (DLC) environments. This role ensures the safe, efficient, and resilient operation of cooling and mechanical infrastructure . from chillers to fan wall, CRAC/CRAH units, CDU loops and rack-level liquid cooling; enabling next-generation compute platforms and mission-critical operations. The ideal candidate brings a proven track record in mechanical design for data centers and thrives in collaborative, fast-paced, multidisciplinary projects.</p><p></p><p><b><br>
What you&rsquo;ll do</b></p><p><b>
Mechanical System Design &amp; Engineering</b></p><ul>
<li>Develop detailed designs for mechanical and cooling systems (chillers, cooling towers, CRAC/CRAH units, pumps, piping, valves, CDUs, FW, RDHx, and DLC loops).</li>
<li>Define control strategies for primary and secondary cooling loops, supporting both air and DLC environments.</li>
<li>Produce design documentation including schematics, layouts, hydraulic diagrams, specifications, and equipment schedules.</li>
<li>Evaluate and select equipment suppliers, ensuring compliance with project performance requirements and client standards.</li>
</ul><p><b>
Thermal Performance &amp; Analysis</b></p><ul>
<li>Perform load calculations, hydraulic modeling, and energy efficiency analysis.</li>
<li>Optimize chilled water, glycol, and DLC systems to meet PUE and WUE targets.</li>
<li>Assess redundancy schemes (N, N+1, 2N) and their impact on system performance and resilience.</li>
<li>Integrate mechanical design with electrical and IT infrastructure, ensuring alignment across disciplines.</li>
</ul><p><b>
Commissioning &amp; Delivery</b></p><ul>
<li>Support procurement processes, technical reviews, and submittal evaluations.</li>
<li>Oversee factory acceptance tests (FATs), site acceptance tests (SATs), commissioning, and system validation.</li>
<li>Lead troubleshooting and root cause analysis for thermal or mechanical issues, implementing corrective actions.</li>
</ul><p><b>
Compliance &amp; Documentation</b></p><ul>
<li>Ensure designs comply with international standards, local building codes, ASHRAE, and Uptime Institute best practices.</li>
<li>Develop and maintain documentation including test protocols, O&amp;M manuals, and method statements.</li>
<li>Contribute to risk assessments and ensure safety compliance for fluid handling systems.</li>
</ul><p><b>
Collaboration &amp; Expertise</b></p><ul>
<li>Partner with clients, architects, electrical engineers, and IT teams to deliver integrated solutions.</li>
<li>Provide subject matter expertise on high-density and DLC cooling strategies.</li>
<li>Mentor junior engineers and contribute to knowledge sharing within the organization.</li></ul><p></p><p><b><br>
What you&rsquo;ll need</b></p><ul>
<li>Bachelor&rsquo;s or Master&rsquo;s degree in Mechanical Engineering (or related field).</li>
<li>Minimum 7 years of experience in mission-critical mechanical design, with demonstrable data center project delivery.</li>
<li>Strong knowledge of HVAC, chilled water, and liquid cooling systems (DLC, CDU, RDHx, etc.).</li>
<li>Proficiency in mechanical design and analysis tools (e.g., Revit, AutoCAD MEP, HAP, Pipe-Flo, CFD).</li>
<li>Familiarity with Tier certification requirements, ASHRAE guidelines, and international standards.</li>
<li>Proven analytical, problem-solving, and troubleshooting skills.</li>
<li>Strong communication and collaboration skills in cross-disciplinary teams.</li>
<li>Ability to manage complex projects under tight deadlines in client-facing environments.</li>
</ul><p>
Our job titles may span more than one job level. The actual base pay is dependent on a number of factors, such as transferable skills, work experience, business needs and market demands.</p><p></p><p><b><br>
What we offer</b></p><ul>
<li>
Attractive compensation package refleting your expertise and experience.</li>
<li>A great work environment characterised by friendliness, international diversity, flexibility, and a hybrid-friendly approach.</li>
<li>You&acute;ll be part of a fast-growing scale-up with a mission to make a positive impact, offering an exciting career evolution.</li>
</ul><p></p><p><b>
Our Inclusive Responsibility</b></p><p><br>
Submer is committed to creating a diverse and inclusive environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or any other protected category under applicable law.</p></div>

Senior Mechanical Engineer

Explore 447+ Mechanical commissioning engineer in Riyadh this October. Find roles across top companies and apply now to boost your career.