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Senior Mechanical Engineer &ndash; Oil &amp; Gas (Mechanical &amp; Piping) | QatarLocation: Qatar Industry: Oil &amp; Gas Construction (Subcontract Scope) Employment Type: Full-Time Experience Required: Minimum 10+ Years Salary: Competitive (Based on experience &amp; interview)About the CompanyFourth Dimension Group is a subcontractor supporting major Oil &amp; Gas projects in Qatar and UAE. Our scope includes mechanical and piping construction works such as fabrication, erection, hydrotesting, pre-commissioning, and site execution coordination with the main contractor.Job SummaryWe are seeking an experienced Senior Mechanical Engineer with strong GCC Oil &amp; Gas background to manage and supervise mechanical and piping construction activities within our subcontract scope.The candidate will be responsible for ensuring proper execution of fabrication, erection, hydrotesting, and pre-commissioning activities in compliance with project specifications, HSE standards, and main contractor requirements.Project ScopeMechanical and piping construction works for Oil &amp; Gas projects, including fabrication, installation/erection, hydrotesting, pre-commissioning activities, and overall site execution supervision in coordination with the main contractor.Key Responsibilities<ul><li>Lead mechanical and piping construction activities at site</li><li>Review drawings, method statements, and technical documents</li><li>Coordinate with QA/QC, HSE, planning, and main contractor teams</li><li>Supervise piping fabrication, erection, welding, and hydrotesting</li><li>Ensure compliance with ASME standards and project specifications</li><li>Manage manpower and subcontractors within mechanical scope</li><li>Monitor progress and provide technical solutions to site issues</li><li>Support mechanical completion, testing, and handover activities</li><li>Ensure strict adherence to PTW and safety procedures</li></ul>Mandatory Requirements<ul><li>Bachelor&rsquo;s Degree in Mechanical Engineering</li><li>Minimum 10+ years Oil &amp; Gas experience</li><li>Minimum 5+ years GCC experience</li><li>Strong experience in mechanical &amp; piping construction works</li><li>Experience in refinery, LNG, petrochemical, or pipeline projects</li><li>Good knowledge of ASME B31.1 / B31.3 and industry standards</li><li>Strong leadership and coordination skills</li></ul>Job Type: Full-timePay: QAR5,000.00 - QAR8,000.00 per month

Senior Mechanical Engineer – Oil & Gas (Mechanical & Piping) | Qatar

Lana Al Arab Contracting

QA/QC Mechanical EngineerRequirements:<ul><li>Duration: 3 Months, and Extendable</li><li>Location: Multiple Location within Doha</li><li>6-8 years of experience as a QAQC Mechanical Engineer</li><li>Must have a CAR</li></ul>Responsibilities:<ul><li>Implement electrical or mechanical systems for substation construction projects ( Security System, Fire Protection System ).</li><li>Oversee installation, testing, and commissioning of electrical or mechanical equipment.</li><li>Troubleshoot and resolve technical issues.</li><li>Ensure compliance with safety regulations and industry standards.</li><li>Collaborate with project teams to meet project deadlines and budgets.</li><li>Monitor project progress.</li><li>Coordinate with contractors and subcontractors.</li><li>Prepare project reports and Qa/Qc documentation</li></ul>Immediate joiners with Valid QID and under Free visa are only considered.Job Types: Temporary, Contract Contract length: 3 monthsApplication Question(s):<ul><li>Do you have a car, and are you willing to use it for work purposes?</li><li>Do you have experience in Fire Fighting?</li><li>Are you able to join immediately ?</li></ul>Experience:<ul><li>Mechanical QA/QC Engineer: 5 years (Required)</li></ul>Location:<ul><li>Doha (Required)</li></ul>

QA/QC Mechanical Engineer

SR. FM MECHANICAL ENGINEER *<ul><li>Location: Doha</li><li>Job Type: Full -time, Permanent</li></ul>We are seeking a highly experienced and qualified Senior Facility Engineer- Mechanical to oversee the effective operation, maintenance, and management of facilitiesRequirements :<ul><li>Candidate should have a Bachelor's degree in Mechanical Engineering.</li><li>Valid UPDA Certification (MMUP/Engineering license in Qatar).</li><li>Valid certification from QCDD.</li><li>Minimum 15 years of relevant experience as an Engineer.</li><li>At least 5 years of experience in Facility Management within the GCC region.</li><li>Excellent leadership, communication, and problem-solving skills.</li><li>Locally available candidates with a valid QID and NOC will only be considered.</li></ul>Job Type: Full-timePay: QAR10,000.00 - QAR12,000.00 per monthApplication Question(s):<ul><li>Are you located in Doha?</li><li>Do you hold a valid UPDA ?</li><li>Do you have experience with a Facility Management company? If yes, how many years?</li></ul>Education:<ul><li>Bachelor's (Preferred)</li></ul>Experience:<ul><li>Mechanical Engineer: 10 years (Preferred)</li></ul>

SR. FM MECHANICAL ENGINEER

QC Engineer &ndash; Mechanical &amp; Piping | Oil &amp; Gas | QatarLocation: Qatar Industry: Oil &amp; Gas Construction (Subcontract Scope) Employment Type: Full-Time Salary: Competitive (Based on experience &amp; interview)About the CompanyFourth Dimension Group is a subcontractor supporting major Oil &amp; Gas projects in Qatar and UAE. Our scope includes mechanical and piping construction works such as fabrication, erection, hydrotesting, pre-commissioning, and site execution coordination with the main contractor.Job SummaryWe are seeking an experienced QC Engineer &ndash; Mechanical &amp; Piping with strong Oil &amp; Gas background to oversee quality control activities within our subcontract scope.The candidate must ensure compliance with project specifications, international standards, and client requirements during fabrication, installation, testing, and pre-commissioning activities.Project ScopeMechanical and piping construction works for Oil &amp; Gas projects, including fabrication, installation/erection, hydrotesting, pre-commissioning activities, and overall site execution supervision in coordination with the main contractor.Key Responsibilities<ul><li>Review project specifications, drawings, and ITPs</li><li>Conduct inspection of piping fabrication and erection activities</li><li>Monitor fit-up, welding, NDT, hydrotesting, and reinstatement works</li><li>Ensure compliance with ASME B31.1 / B31.3 and project standards</li><li>Coordinate with client inspectors and main contractor QA/QC teams</li><li>Prepare and review inspection reports and documentation</li><li>Verify material certificates (MTC), WPS, PQR, and welder qualifications</li><li>Participate in punch list clearance and mechanical completion</li><li>Ensure all quality records and dossiers are properly maintained</li></ul>Mandatory Requirements<ul><li>Bachelor&rsquo;s Degree or Diploma in Mechanical Engineering</li><li>Minimum 8&ndash;10 years Oil &amp; Gas experience</li><li>Minimum 5 years GCC experience preferred</li><li>Strong experience in piping and mechanical QC activities</li><li>Knowledge of ASME / API standards</li><li>Experience in refinery, LNG, petrochemical, or pipeline projects</li></ul>Good documentation and reporting skillsJob Type: Full-timePay: QAR4,000.00 - QAR7,500.00 per month

QC Engineer – Mechanical & Piping | Oil & Gas | Qatar

Trading & Construction Group

Job Title: Mechanical Engineer &ndash; PTWLocation: Qatar Industry: Construction Reports To: General Manager / Project ManagerJob Summary:The Mechanical Engineer &ndash; PTW is responsible for planning, supervising, and executing mechanical activities under the Permit to Work (PTW) system in compliance with Qatar regulations and company HSE standards. The role ensures all mechanical maintenance, installation, and shutdown activities are conducted safely, efficiently, and in accordance with approved procedures.Key Responsibilities:1. Permit to Work (PTW) Management<ul><li>Ensure all mechanical works are carried out under approved PTW procedures.</li><li>Prepare, review, and authorize permits including:</li><li>Hot Work Permits</li><li>Cold Work Permits</li><li>Confined Space Entry</li><li>Work at Height</li><li>Isolation Certificates</li><li>Coordinate with HSE, Operations, and other departments for permit approval.</li><li>Conduct Job Safety Analysis (JSA) and Risk Assessments prior to work execution.</li><li>Ensure proper LOTO (Lock Out / Tag Out) implementation.</li></ul>2. Mechanical Supervision<ul><li>Supervise mechanical installation, maintenance, and repair works.</li><li>Oversee shutdown and turnaround activities.</li><li>Monitor contractor performance and ensure compliance with specifications.</li><li>Ensure equipment such as pumps, compressors, valves, pipelines, and rotating equipment are maintained properly.</li></ul>3. Safety &amp; Compliance<ul><li>Ensure strict adherence to Qatar Energy and industrial safety standards.</li><li>Enforce PPE requirements and safe work practices.</li><li>Participate in safety audits, toolbox talks, and site inspections.</li><li>Report incidents, near misses, and unsafe conditions.</li></ul>4. Documentation &amp; Reporting<ul><li>Maintain PTW records and logs.</li><li>Prepare daily, weekly, and monthly progress reports.</li><li>Review method statements and technical drawings.</li><li>Ensure all mechanical documentation complies with project requirements.</li></ul>5. Coordination &amp; Communication<ul><li>Liaise with HSE, electrical, instrumentation, and civil teams.</li><li>Coordinate shutdown schedules with operations teams.</li><li>Attend site meetings and progress review meetings.</li></ul>Qualifications &amp; Requirements:<ul><li>Bachelor&rsquo;s Degree in Mechanical Engineering.</li><li>Minimum 5&ndash;10 years of experience in Oil &amp; Gas or Industrial Projects.</li><li>Strong knowledge of PTW systems (preferably Qatar Energy standards).</li><li>Experience in shutdown and maintenance activities.</li><li>Familiarity with international codes such as ASME, API, and ISO.</li><li>Strong understanding of HSE regulations in Qatar.</li><li>Valid QID and transferable visa (preferred).</li></ul>Key Skills:<ul><li>Strong knowledge of rotating and static equipment</li><li>Risk assessment &amp; hazard identification</li><li>Leadership and team supervision</li><li>Technical report writing</li><li>Problem-solving and troubleshooting</li><li>Good communication skills in English (Arabic is an advantage)</li></ul>Job Type: Full-time

Mechanical Engineer – PTW (Permit to Work) – Qatar

MAT Facility Management And Sevices

Job SummaryWe are seeking a highly skilled Mechanical Engineer to lead the design, implementation, and commissioning of mechanical systems for cutting-edge data center projects.The role involves end-to-end ownership of mechanical systems&mdash;from conceptual design and Basis of Design (BOD) to Issued-for-Construction (IFC) documentation, installation, Testing &amp; Commissioning (T&amp;C), and final handover. The ideal candidate ensures all systems are optimized for reliability, efficiency, and compliance with international standards and operational requirements.Key Responsibilities<ul><li>Design &amp; Documentation: Lead the development of mechanical system designs for data centers, including HVAC, chilled water (CHW), water supply, drainage, and firefighting systems. Prepare detailed technical specifications, sequences of operation, and IFC-ready layouts.</li><li>Project Coordination &amp; Execution: Collaborate with cross-functional teams&mdash;including electrical, civil, fire protection, and IT&mdash;to ensure smooth project execution and timely delivery.</li><li>Site Management: Oversee installation and commissioning of in-row cooling units, CRAH, and CRAC systems, ensuring proper CHW connections, drainage, and operational readiness. Manage and resolve site-level MEP issues promptly.</li><li>Technical Leadership: Review and respond to engineering Requests for Information (RFIs), providing technical solutions in coordination with the Engineer of Record (EOR) and project stakeholders.</li><li>Innovation &amp; Technology Integration: Support adoption of new technologies by providing site-specific design inputs and ensuring compatibility with operational requirements.</li><li>Quality &amp; Compliance: Lead inspections, Testing &amp; Commissioning (T&amp;C), and system handover. Ensure mechanical systems meet international standards, local regulations, safety codes, and best practices for mission-critical environments.</li><li>Continuous Improvement: Proactively identify engineering challenges and recommend solutions to optimize system performance, reduce risks, and improve operational efficiency.</li></ul>Qualifications &amp; Requirements<ul><li>Bachelor&rsquo;s degree in engineering.</li><li>Minimum 4-10 years of experience in MEP systems, preferably in data center, mission-critical, or large commercial facilities.</li><li>Proven expertise in HVAC, chilled water systems, water supply, drainage, fire protection systems, and data center mechanical infrastructure.</li><li>Hands-on experience with design documentation, IFC drawings, technical specifications, and sequences of operation.</li><li>Strong knowledge of international standards, local authority requirements, and data center best practices.</li><li>Excellent problem-solving, coordination, and communication skills, with the ability to manage multiple stakeholders and priorities.</li><li>Demonstrated ability to work independently and lead projects from design through commissioning and handover.</li><li>Demonstrates strong proficiency in AutoCAD drafting and design.</li><li>Highly competent in computer applications, including MS Office tools, with strong presentation and documentation skills.</li></ul>Job Type: Full-timePay: QAR5,000.00 - QAR6,000.00 per month

Mechanical Engineer

CME WAKRA WATER

Job Title: Senior Process Engineer &ndash; STP Project (Qatar)Location: Qatar Experience Required: 5&ndash;10 YearsJob Summary: We are seeking a Senior Process Engineer with strong experience in Testing &amp; Commissioning for a Sewage Treatment Plant (STP) project in Qatar. The role involves leading commissioning activities, system testing, troubleshooting, and ensuring safe and efficient plant start-up and handover.Key Responsibilities:<ul><li>Plan and execute commissioning procedures, method statements, and test protocols.</li><li>Lead system testing and start-up of mechanical, electrical, instrumentation, and process systems.</li><li>Supervise vendors and subcontractors during commissioning activities.</li><li>Verify PLC/SCADA integration, instrumentation calibration, and control logic validation.</li><li>Identify and resolve technical issues during testing and start-up.</li><li>Ensure compliance with safety, quality, and regulatory standards.</li><li>Prepare commissioning reports, punch lists, and handover documentation.</li><li>Support training and handover to Operations &amp; Maintenance teams.</li></ul>Qualifications &amp; Experience:<ul><li>Bachelor&rsquo;s Degree in Mechanical, Electrical, Chemical, or Process Engineering.</li><li>5&ndash;10 years of experience in STP/WWTP testing, commissioning, and process start-up.</li><li>Strong troubleshooting and system integration experience.</li><li>Commissioning or wastewater-related certifications are an advantage.</li></ul>Job Type: Full-timePay: From QAR18,000.00 per month

Senior Process Engineer – STP Project (Qatar)

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