Hydrotest & Pre-commissioning Engineer

Ali & Sons Group; United Arab Emirates; On-site; AED 201,000 - 335,000; Full time

Job summary

Ali & Sons Marine Engineering Factory in the UAE seeks an experienced Hydrotest & Pre-commissioning Engineer to plan, supervise, and execute testing for pipelines, tanks, and equipment on oil & gas projects.

You will work with construction, QA/QC, commissioning and client teams to ensure safe testing, compliance with specs, and readiness for handover. Diploma/Bachelor in Engineering with mechanical focus preferred; 5–10 years of relevant experience is ideal.

Qualifications

• Diploma or Bachelor's Degree in Engineering.
• Mechanical Engineering preferred.
• Experience: 5-10 years in hydrotesting, pre-commissioning, or related oil & gas projects.

Responsibilities

• Review P&IDs, drawings, specs and commissioning procedures for pipelines and process equipment.
• Prepare hydrotest and pre-commissioning plans, schedules, method statements and test packages.
• Identify manpower, materials, tools, equipment, pumps, gauges, hoses and other resources for testing.
• Coordinate with QA/QC teams to ensure readiness for testing.
• Supervise hydrostatic and pneumatic testing of pipelines, tanks, vessels and equipment per standards.
• Execute cleaning, flushing, dewatering and drying activities for pre-commissioning.
• Monitor test parameters and record results, addressing deviations.
• Ensure proper installation of test manifolds, pumps and instrumentation.

Skills

Hydrotesting

Pre-commissioning

P&IDs interpretation

QA/QC coordination

HSE compliance

Site supervision

Reading drawings

Education

Diploma in Engineering

Bachelor's Degree in Engineering

Mechanical Engineering (preferred)

Job description

Are you an experienced Hydrotest & Pre-commissioning Engineer with a strong background in oil & gas projects? We are looking for a technically strong professional to plan, supervise, and execute hydrotesting, flushing, cleaning, dewatering, drying, and pre-commissioning activities for pipelines, process systems, tanks, and equipment.

In this role, you will work closely with construction, QA/QC, commissioning, project management, and client teams to ensure systems are safely tested, compliant with project requirements, and fully ready for commissioning and operational handover.

Key Responsibilities

Planning & Preparation

• Review P&IDs, isometric drawings, project specifications, and commissioning procedures for pipelines and process equipment.
• Prepare hydrotest and pre-commissioning plans, schedules, method statements, and test packages.
• Identify manpower, materials, tools, equipment, pumps, gauges, hoses, and other resources required for testing activities.
• Coordinate with QA/QC teams to ensure systems and documentation are ready for testing.
• Supervise hydrostatic, pneumatic, and leak testing of pipelines, tanks, vessels, and process equipment in accordance with project specifications and applicable API, ASME, and ISO standards.
• Execute and supervise cleaning, flushing, dewatering, drying, and other pre-commissioning activities.
• Monitor test pressure, temperature, duration, and other parameters to ensure compliance with project and client requirements.
• Record test results, identify deviations, and recommend appropriate corrective actions.
• Ensure proper installation and operation of temporary connections, supports, test manifolds, pumps, hoses, and instrumentation.

HSE & Compliance

• Ensure strict compliance with HSE procedures, site safety requirements, and client standards during hydrotesting and pre-commissioning activities.
• Conduct and review risk assessments for pressurized system testing and ensure appropriate mitigation measures are implemented.
• Ensure personnel understand hazards associated with high-pressure testing, pressurized systems, and confined spaces.
• Stop unsafe activities and ensure testing is carried out within approved safety limits.

Coordination & Reporting

• Coordinate with project management, construction, QA/QC, commissioning teams, and client representatives for safe and timely execution.
• Participate in project meetings, provide progress updates, highlight technical challenges, and support resolution of site issues.
• Prepare daily and weekly progress reports covering hydrotesting and pre-commissioning activities.

Documentation & Quality Assurance

• Maintain accurate hydrotest records, test packs, logs, inspection records, and as-built documentation.
• Ensure non-conformances, punch items, and deviations are properly documented and closed in coordination with QA/QC.
• Verify that completed testing and pre-commissioning activities satisfy design, operational, quality, and client requirements before system handover.

Continuous Improvement & Technical Support

• Identify opportunities to improve hydrotesting and pre-commissioning procedures, safety, efficiency, and execution quality.
• Provide technical support to construction and commissioning teams throughout project execution.

Qualifications & Experience

• Education: Diploma or Bachelor's Degree in Engineering.
• Technical Qualification: Mechanical Engineering preferred.
• Experience: 5-10 years of relevant experience in hydrotesting, pre-commissioning, commissioning, pipelines, process systems, or oil & gas projects.
• Strong knowledge of hydrostatic and pneumatic testing, flushing, cleaning, dewatering, drying, and system preparation.
• Familiarity with relevant API, ASME, and ISO standards.
• Strong understanding of HSE requirements for high-pressure testing and pre-commissioning activities.
• Ability to read and interpret P&IDs, isometric drawings, specifications, and technical documentation.
• Strong coordination, reporting, problem-solving, and site supervision skills.

If you are a hands-on engineering professional who enjoys working on complex oil & gas projects and has the technical expertise to ensure systems are safely tested and ready for commissioning, we would like to hear from you.

Join us and be part of a team delivering safe, efficient, and high-quality project execution from testing through to successful handover.

About the Team

Ali & Sons Marine Engineering Factory

Ali & Sons Marine Engineering Factory (ASMEF) was established in 2009 with the aim of catering to the Marine and Oil & Gas Industry in the UAE. Located in Mussafah, Abu Dhabi, the factory features one of the largest facilities of its kind in the country, comprising a 280,000m2 yard and a 545m waterfront.

Its the closest yard to the Abu Dhabi Oil Fields, giving it a highly strategic location with good access to onshore and offshore fields alike. The facility allows Ali & Sons to easily serve local and overseas markets thanks to its close proximity to UAE borders.

Equipped with an advanced workshop, repair, and building facility, ASMEF ensures that Ali & Sons’ high standards are consistently met.