وظيفة مهندس ميكانيكي لدى Aljazea Contracting & Trading في الرياض

Job Title

Mechanical Site Engineer - Water & Wastewater Infrastructure Projects

Job Purpose

We are seeking an experienced Mechanical Site Engineer to oversee and coordinate all mechanical works related to water and wastewater infrastructure projects, including pipeline networks, pumping stations, reservoirs, valves, pumps, and associated mechanical systems. The successful candidate will ensure that all works are executed in accordance with approved drawings, technical specifications, quality standards, safety requirements, and project schedules.

Key ResponsibilitiesSite Execution & Supervision

• Supervise the installation of water distribution networks, wastewater networks, transmission pipelines, force mains, gravity sewer lines, valve chambers, meter chambers, air valve chambers, washout chambers, and service connections.
• Monitor the installation of pipes, valves, fittings, pumps, mechanical equipment, supports, flanges, flexible joints, and associated systems.
• Ensure compliance with approved drawings, specifications, installation procedures, alignment requirements, flow directions, and burial depths.

Technical Review & Coordination

• Review mechanical drawings, shop drawings, technical submittals, and construction documents.
• Identify design conflicts, site constraints, and technical issues, and coordinate solutions with the project team and consultants.
• Support the preparation of RFIs, material take-offs, and as-built documentation.

Materials & Equipment Management

• Inspect and monitor the delivery, storage, and installation of mechanical materials and equipment.
• Verify compliance with approved technical submittals, quality certifications, and project specifications.
• Reject non-conforming or damaged materials when necessary.

Pumping Stations & Mechanical Equipment

• Supervise the installation of pumps, suction and discharge piping, non-return valves, isolation valves, instrumentation, lifting systems, and other mechanical equipment.
• Coordinate closely with electrical and control teams to ensure proper integration and commissioning readiness.

Testing & Commissioning

• Supervise hydrostatic testing, pressure testing, leakage testing, flushing, and disinfection activities.
• Participate in pre-commissioning and commissioning of pumps, valves, and mechanical systems.
• Monitor operational performance parameters including pressure, flow, vibration, noise, and equipment functionality.

Quality Assurance & Documentation

• Prepare and submit inspection requests (IRs) and support quality inspections.
• Maintain records of testing activities, completed works, and installed quantities.
• Prepare daily and weekly progress reports.
• Assist in the preparation of final handover documentation, including test certificates, operation and maintenance manuals, and as-built drawings.

Health, Safety & Environment (HSE)

• Ensure compliance with all HSE requirements during excavation works, lifting operations, confined space activities, pressure testing, and pipeline installations.
• Promote safe work practices and ensure proper use of personal protective equipment (PPE).
• Stop unsafe work activities and report safety concerns immediately.

Qualifications

• Bachelor’s Degree in Mechanical Engineering.
• Minimum 5 years of experience in water and wastewater infrastructure projects.
• Proven experience in pipeline networks, pumping stations, reservoirs, valves, pumps, and mechanical installations.
• Strong knowledge of hydrostatic testing, flushing, disinfection, commissioning, and construction practices.

Required Skills

• Strong understanding of mechanical drawings, shop drawings, and technical specifications.
• Experience supervising pipeline and pumping station installations.
• Ability to coordinate effectively with civil, electrical, QA/QC, and HSE teams.
• Excellent reporting, documentation, and communication skills.
• Strong problem-solving and site management capabilities.
• Ability to manage subcontractors and monitor project progress against schedules.

Reporting Line

The Mechanical Site Engineer will report directly to the Site Manager or Project Manager and will work closely with QA/QC Engineers, HSE Engineers, Technical Office Engineers, Consultants, Suppliers, and Subcontractors.

Location Riyadh , Saudi Arabia

Employment Type

Full-Time

How to Apply

Interested candidates are invited to apply through LinkedIn or send their updated CV to hr_contracting@al-jazea.com.sa.