project manager

senior mechanical engineer Jobs in Riyadh

senior mechanical engineer

civil engineer

quality engineer

cost control engineer

commissioning engineer

<div><p>As a Commissioning Engineer, you will be responsible for planning, executing, and overseeing the commissioning of the Sewage Treatment Plant (STP) and TSE pipeline to ensure that all systems and processes operate safely, efficiently, and in full compliance with design specifications, contractual requirements, and applicable regulatory standards. The role requires close coordination with design, construction, mechanical, electrical, and instrumentation teams, as well as effective engagement with project stakeholders.
</p><p>In your capacity as a Commissioning Engineer, you will lead pre commissioning and commissioning activities, including inspections, testing, start up, performance trials, and final handover of the STP. You will ensure that treatment processes consistently achieve the required effluent quality and that full operational readiness is established prior to final acceptance. Additionally, you will be responsible for achieving timely completion of project milestones within the approved budget and for providing regular progress updates to relevant stakeholders.</p></div>
<br><div><p>General:
</p><ul><li>Plan and manage pre‑commissioning, commissioning, and start‑up activities for STP systems and TSE pipeline.
</li><li>Supervise EPC Contractor&rsquo;s team during process commissioning of the complete sewage treatment plant.
</li><li>Oversee and verify installation completion and readiness of civil, mechanical, electrical, and I&amp;C systems.
</li><li>Coordinate testing of equipment such as pumps, blowers, screens, clarifiers, biological reactors (Nereda), filters, disinfection systems, sludge systems and odour control systems and TSE pipeline.
</li><li>Lead process commissioning, including biological (Nereda based) seeding, stabilization, and optimization.
</li><li>Monitor plant performance to ensure treated effluent meets statutory and contract requirements.
</li><li>Review commissioning procedures, method statements, and test protocols.
</li><li>Troubleshoot operational and process issues during start‑up and trial runs.
</li><li>Coordinate with EPC Contractor and OEMs for equipment commissioning and performance testing.
</li><li>Oversee compliance with HSE requirements during commissioning activities.
</li><li>Prepare/Review and submit commissioning reports, performance test results, and handover documentation.
</li><li>Support training of client&rsquo;s operations and maintenance (O&amp;M) staff.
</li><li>Assist in final acceptance, defect liability support, and transition to O&amp;M phase.
</li><li>Collaborate with project stakeholders and share progress report regularly
</li><li>Ensure the timely completion of commissioning milestones within the allocated budget.
</li><li>Regularly report on project progress to the relevant stakeholders.
</li></ul><p>Team Leadership:
</p><ul><li>Supervise the EPC Contractor&rsquo;s site team during commissioning.
</li><li>Participate in site meetings, and other project-related meetings as required.
</li><li>Offer guidance, training, and mentorship.
</li><li>Cultivate a culture of safety and professionalism within the team.
</li></ul><p>Quality Assurance:
</p><ul><li>Establish and maintain robust quality control procedures for commissioning work.
</li><li>Ensure adherence of Project Quality standard during commissioning phase
</li></ul><p>Safety and Compliance:
</p><ul><li>Ensure that commissioning activities are executed in a safe and efficient manner.
</li><li>Ensure adherence of Safety regulations/compliance during testing and commissioning
</li><li>Investigate and report any safety incidents or near misses.</li></ul></div>
<br><div><ul><li>Bachelor&rsquo;s degree in Environmental, Chemical, Mechanical Engineering, or a related discipline.
</li><li>Proven experience in STP / wastewater treatment plant commissioning and startup; strong experience in commissioning Nereda&reg; SBR systems will be considered a significant advantage.
</li><li>&gt; 10 years of relevant experience in process, mechanical, instrumentation, or commissioning roles, with a primary focus on wastewater and sewage treatment projects.
</li><li>In‑depth knowledge of local environmental regulations, discharge standards, and statutory compliance requirements.
</li></ul><p><b>Imagine a better future for you and a better future for us all.
</b></p><p>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.
</p><p><b>With us, you can. Apply today.
</b><br>
<br>
# LI-Onsite</p></div>

Commissioning Engineer-Sewage Treatment Plant (STP)

Siemens

<div></div><div><p>Siemens Mobility (SMO) is the world&rsquo;s leading provider of mobility solutions that enable the efficient, safe, and environmentally friendly transport of people and goods&mdash;helping to improve the quality of everyday life for millions worldwide.</p>
<p>
Motivated by innovation, we develop intelligent solutions for the growing digitalization of the transport sector. Our offerings include rail vehicles, rail automation, road traffic management systems, rail electrification, and services.</p>
<p>
In Saudi Arabia, Siemens Mobility is at the forefront of shaping the future of transportation by delivering cutting-edge rail and metro solutions in alignment with Vision 2030. Our advanced automation and signaling solutions are powering the Riyadh Metro, the longest driverless metro in the world, spanning a combined length of 176 kilometers, is set to revolutionize mobility in the capital by reducing road congestion and enhancing connectivity across the city.</p>
<p>
Today, we are recruiting for a <b>Test &amp; Commissioning Engineer &ndash; FSCADA, Communication &amp; Information Systems</b> to join our team in Saudi Arabia. This is an excellent career opportunity for professionals looking to join a truly international team in one of the biggest projects of Siemens Mobility.</p><br>
<p><b>
What Are My Responsibilities?</b></p>
<ul>
<li>Support testing and commissioning activities for SCADA systems, telecom networks, and station subsystems, including CCTV, PA, telephone, radio, FMS, and server racks.</li>
<li>Perform equipment configuration, connectivity verification, and system-level testing in accordance with approved procedures.</li>
<li>Record test results, prepare test and commissioning reports, and support troubleshooting and issue resolution.</li>
<li>Assist with system integration between SCADA, signalling, power, and station control systems.</li>
<li>Support cybersecurity procedures, network documentation, and configuration consistency across systems.</li></ul><br>
<p><b>What Do I Need to Qualify for This Job?</b></p>
<ul>
<li>Bachelor&rsquo;s degree in Electrical, Electronics, Computer Engineering, IT, or Network Engineering.</li>
<li>Basic understanding of IP networking concepts, including VLANs, industrial communication protocols, or automation systems.</li>
<li>Strong interest in control systems, SCADA, telecom infrastructure, or industrial IT environments.</li>
<li>Good communication, documentation, and reporting skills.</li>
<li>Familiarity with SCADA concepts or basic scripting tools is an advantage.</li>
<li>Introductory certifications such as CCNA or CompTIA Network+ are a plus but not mandatory.</li></ul><br>
<p><b>What else do I need to know?</b></p>
<p>
As a world leader in developing and producing the most advanced technologies, we improve lives and further human achievements worldwide, while also protecting the climate - all thanks to our employees. Working with us, you have the foundation to develop personally and professionally. We give you the chance to do something significant, that benefits society and human progress. We give you the chance to create a difference.</p>
<p>
At Siemens we are always challenging ourselves to build a better future. We need the most innovative and diverse Digital Minds to develop tomorrow &lsquo;s reality. Find out more about the Digital world of Siemens here: www.siemens.com/careers/digitalminds</p>
<p>
Diversity at Siemens is our source of creativity and innovation. Having different types of talent and experiences makes us more ambitious and better prepared to respond successfully to the demands of the Society. Therefore, we value the candidates that reflect the Diversity that we enjoy in our Company. Please find more information at www.siemens.com</p></div>

Test & Commissioning Engineer – FSCADA, Communication & Information Systems @Siemens Mobility KSA

CSI Global

<div><h2 class="jobSectionHeader"><b>Job Title: </b><b>Electrical Testing Engineer (Substation Systems)</b></h2>
<h2 class="jobSectionHeader"><b>Employment Type: </b><b>Full-Time | On-Site</b></h2>
<p></p><h2 class="jobSectionHeader"><b>About CSI Global:</b></h2>
<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>
<h2 class="jobSectionHeader"><b>Position Overview:</b></h2>
<p>We are seeking a skilled <b>Electrical Testing Engineer (Substation Systems)</b> to join our high-performance team focused on delivering advanced commissioning and testing services across industrial and infrastructure projects. This role is essential for ensuring the safe, efficient, and standards-compliant operation of <b>LV Switchgear, Panels, and Protection Systems</b>.</p>
<h2 class="jobSectionHeader"><b>Key Responsibilities:</b></h2>
<ul><li>Perform detailed <b>electrical testing and diagnostics</b> on <b>LV Switchgear</b> and <b>Control Panels</b>.</li><li>
Conduct testing and verification of <b>Current Transformers (CTs)</b>, <b>Voltage Transformers (VTs)</b>, and <b>Circuit Breakers (CBs)</b> in line with project specifications and international standards.</li><li>
Utilize specialized test instruments to assess functionality, accuracy, and protection performance.</li><li>
Document all testing procedures, parameters, and results in formal reports.</li><li>
Coordinate with QA/QC, commissioning teams, and client representatives to resolve anomalies.</li><li>
Support test setup, safety assessments, and calibration procedures before live energization.</li></ul>
<h2 class="jobSectionHeader"><b>Qualifications:</b></h2>
<ul><li>Bachelor's Degree in <b>Electrical Engineering</b> or related field.</li><li>
Minimum <b>5</b><b> years</b> of relevant experience electrical testing.</li><li>
SEC (National Grid KSA) Approved Engineers will be prioritized.</li><li>
Proven experience in <b>electrical testing and commissioning</b>&mdash;especially <b>LV systems</b>.</li><li>
Proficiency in using the following equipment is <b>mandatory</b>:<ul><li><b>
CT Analyzer</b> (e.g., Omicron)</li><li><b>
CPC 100</b></li><li><b>
MOM 200</b> (for contact resistance testing)</li></ul></li><li>
Strong understanding of <b>electrical protection systems</b>, schematics, and test procedures.</li><li>
Ability to work in a fast-paced site environment with strict safety and quality compliance.</li></ul>
<h2 class="jobSectionHeader"><b>Preferred Qualifications:</b></h2>
<ul><li>Previous experience in testing roles for <b>industrial, utility, or infrastructure</b> projects in the GCC.</li><li>
Familiarity with <b>IEC and IEEE standards</b> for protection testing.</li></ul></div>

Electrical Testing Engineer - Substations

Hudson Manpower

<div><p>We are hiring experienced <b>Testing &amp; Commissioning Engineers (T&amp;C)</b> for <b>220kV &amp; Above Transmission Line Projects</b> in <b>KSA (Kingdom of Saudi Arabia)</b>.</p><h3 class="jobSectionHeader"><b>
Location: KSA</b></h3><h3 class="jobSectionHeader"><b>
Salary: SAR 5,000 &ndash; 6,000</b></h3><p></p><h3 class="jobSectionHeader"><b>
Qualification:</b></h3><ul><li>
B.Tech / BE in Electrical Engineering</li><li><b>
Regular (Full-Time) Degree Mandatory</b></li></ul><p></p><h3 class="jobSectionHeader"><b>
Experience Required:</b></h3><ul><li>
Experience in <b>220kV &amp; Above Transmission Line Projects</b></li><li>
Strong exposure to Testing &amp; Commissioning activities of EHV lines</li></ul><p></p><h3 class="jobSectionHeader"><b>
Job Responsibilities:</b></h3><ul><li>
Pre-commissioning &amp; commissioning of <b>220kV+ Transmission Lines</b></li><li>
Line inspection prior to energization</li><li>
Tower &amp; conductor stringing inspection and clearance verification</li><li>
Testing of insulators, OPGW, earthing systems</li><li>
Continuity &amp; resistance testing</li><li>
Coordination for line charging &amp; energization</li><li>
Preparation of test reports, checklists &amp; commissioning documentation</li><li>
Liaising with client/consultant for approvals</li><li>
Ensuring compliance with project specifications &amp; safety standards</li></ul><p></p><h3 class="jobSectionHeader"><b>
Preferred Skills:</b></h3><ul><li>
Knowledge of EHV transmission line standards</li><li>
Experience in shutdown planning &amp; line energization</li><li>
Strong understanding of safety procedures</li></ul><h3 class="jobSectionHeader"><b><br>
Preferred Skills:</b></h3><ul><li>
Knowledge of EHV transmission line standards</li><li>
Experience in shutdown planning &amp; line energization</li><li>
Strong understanding of safety procedures</li><li><h3 class="jobSectionHeader"><b>
Qualification:</b></h3><ul><li>
B.Tech / BE in Electrical Engineering</li><li><b>
Regular (Full-Time) Degree Mandatory</b></li></ul></li></ul></div>

Testing & Commissioning Engineers (Transmission Line 220kV & Above) | KSA

Medcloud

<p><b>Main Skills &amp; Requirements:</b></p><ul><li>Carry out Installation, Testing &amp; Commissioning for Carbon Steel &amp; Polyethylene Pipelines.</li><li>Prepare relative BOQs.</li><li>Fully aware of Piping Technical Specifications.</li><li>Knowledgeable in welding processes (WPS/PQR).</li><li>Able to read and understand Plan &amp; Isometric drawings.</li><li>Capable of managing a construction team.</li><li>Familiar with testing processes and able to manage a testing team.</li><li>Good knowledge of cathodic protection.</li><li>ARAMCO project experience is an advantage.</li><li>Language: English &ndash; very good level.</li><li>Years of experience: 7 years.</li><li>Computer Skills: MS Office &ndash; Excellent.</li></ul><p>Job Type: Full-time</p><p>Education:</p><ul><li>Bachelor's (Required)</li></ul><p>Experience:</p><ul><li>Piping construction : 7 years (Required)</li></ul><p>Language:</p><ul><li>English / Arabic (Required)</li></ul><p>License/Certification:</p><ul><li>Aramco (Required)</li></ul><p>Location:</p><ul><li>Riyadh (Required)</li></ul>

Piping Construction Engineer

Trust Arabia Administrative Services & Consultancy

<p><b>Job Summary</b><br/>We are hiring a skilled Fire Alarm Engineer to join the team. The ideal candidate will have 3&ndash;5 years of hands-on experience working with fire alarm systems, including installation, testing, commissioning, and maintenance. You&rsquo;ll play a key role in ensuring systems are compliant, reliable, and delivered to the highest safety standards.</p><p><b>Key Responsibilities</b></p><ul><li>Install, test, commission, and maintain fire alarm systems on-site</li><li>Work with both addressable and conventional fire alarm systems</li><li>Perform fault diagnosis, troubleshooting, and repairs</li><li>Ensure systems comply with NFPA standards and local civil defense requirements</li><li>Coordinate with project managers, site engineers, and technicians</li><li>Prepare technical reports, test results, and as-built documentation</li><li>Provide technical support and training to technicians when required</li><li>Liaise with clients and consultants during project execution and handover</li></ul><p><b>Requirements &amp; Qualifications</b></p><ul><li>3&ndash;5 years of hands-on experience in fire alarm systems</li><li>Strong experience in installation, testing, commissioning, and maintenance</li><li>Solid knowledge of addressable and conventional fire alarm systems</li><li>Good understanding of NFPA standards (highly preferred)</li><li>Experience in Qatar and/or KSA (Riyadh experience is an advantage)</li><li>Technical diploma or engineering degree (Electrical/Electronics or related field)</li><li>Strong troubleshooting and problem-solving skills</li><li>Ability to work independently on-site and meet deadlines</li><li>Valid driving license is a plus</li></ul><p>Job Type: Full-time</p>

Fire Alarm Engineer

<p><b>Piping construction engineer</b></p><ul><li><b>Main Skills:</b></li><li>Can Carry out Installation, Testing &amp; Commissioning for Carbon Steel &amp; Polyethylene Pipelines.</li><li>Prepare relative BOQ.</li><li>Fully aware with Piping Technical Specifications.</li><li>Fully aware with welding process (WPS/PQR).</li><li>Able to understand Plan &amp; Isometric drawings.</li><li>Can manage construction team.</li><li>Know well about testing process &amp; can manage testing team.</li><li>Have good Knowledge about cathodic protection.</li><li>ARAMCO project experience is advantage.</li><li>candidates may be sourced from Petrojet.</li><li>Average Package 12k SAR &ndash; 15k SAR</li><li>Language: English (very good level)</li><li>Years of Experience : 7 years.</li><li>Computer Skills: MS Office : Excellent</li></ul><p>Job Type: Full-time</p><p>Pay: ﷼15,000.00 - ﷼18,000.00 per month</p>

Piping construction Engineer

Explore 182+ Commissioning engineer in Riyadh this February. Find roles across top companies and apply now to boost your career.