1. Organizational Design Job Title Senior Project Engineer Department Refrigeration Systems Job Code - Section Projects Job Grade - Sector Industrial Refrigeration & Cold Storage Subordinates - Sup-Sector - Promotion Cycle -
2. Job Summary The Senior Project Engineer (Refrigeration Projects) is responsible for leading the engineering, design, installation, and commissioning of industrial refrigeration systems, focusing on large-scale projects such as cold storage, food processing, pharmaceuticals, and logistics facilities. The role requires in-depth expertise in ammonia (NH3) and Freon-based refrigeration systems, ensuring high efficiency, safety, and compliance with industry standards.
Area of Work (Office / Field) Job Location • On site • Saudi Arabia
3. Job Detailed Responsibilities Executive / Technical (directly related to the work environment): 1. Refrigeration System Installation & Execution (Ammonia & Freon-Based Systems)
• Supervise the installation and commissioning of industrial refrigeration systems, ensuring compliance with project specifications and industry standards.
• Manage on-site execution of refrigeration systems, coordinating with contractors, suppliers, and technicians.
• Oversee piping installation, including suction, discharge, liquid, and hot gas defrost lines.
• Ensure proper implementation of defrosting methods such as hot gas defrost, electric defrost, and water defrost.
• Conduct system pressure testing, leak detection, and performance verification.
• Enforce adherence to local refrigeration safety codes and industry regulations.
2. Cold Storage & Freezer Facilities Execution
• Manage the construction and installation of cold storage, blast freezing, and ultra-low temperature rooms.
• Supervise the setup of air distribution systems for freezer rooms, meat storage, and pharmaceutical cold storage.
• Coordinate with insulated panel suppliers to ensure proper wall and ceiling insulation.
• Oversee the installation of cold storage doors, air curtains, and pressure relief vents to maintain efficiency.
• Ensure compliance with food and pharmaceutical industry storage standards.
3. Electrical Power Distribution & Automation in Refrigeration Plants
• Oversee the installation of electrical systems, including transformers, switchgear, MCC panels, and refrigeration control panels.
• Supervise the setup of PLC-based automation, SCADA systems, and sensor integration for real-time monitoring.
• Implement energy efficiency measures, such as VFDs for compressors and evaporators, and heat recovery systems.
• Ensure compliance with IEC, NFPA 70E, and local electrical safety regulations.
4. Safety & Risk Management for Refrigeration Facilities
• Conduct risk assessments and oversee the implementation of ammonia gas leak detection systems.
• Develop and execute emergency response plans for refrigeration leaks and system failures.
5. Piping, Drainage & Water Systems Execution
• Supervise the installation of glycol piping and brine cooling loops for indirect refrigeration systems.
• Ensure proper drainage system implementation to prevent ice buildup and optimize wastewater management.
• Manage flow rate testing and pump installation for chilled water and condenser cooling systems.
• Ensure compliance with industrial refrigeration water treatment guidelines.
6. MEP Coordination & Project Execution
• Review and approve project execution plans, shop drawings, and material submittals.
• Oversee BIM coordination and clash detection using Revit MEP and Navisworks.
• Manage subcontractors and vendors to ensure timely project delivery.
• Conduct site inspections and implement quality control for refrigeration plant installation.
• Optimize procurement and material selection for cost-effective and efficient execution.
7. Testing, Commissioning & Handover of Refrigeration Systems
• Oversee full-system testing and commissioning, including pull-down time analysis, energy efficiency verification, leak testing, refrigerant charge balancing, and automation validation.
• Train refrigeration plant operators and maintenance personnel on system operation and safety protocols.
• Prepare as-built documentation, O&M manuals, and compliance reports for project handover.
| 4. Communication Channels | |
| Internal Channel | External Channel |
| • Project Teams • Procurement Teams • Store Teams • Sales Teams | • Client / Consultant • Vendors • Subcontractors • Regulatory Authorities & Environmental Safety Inspectors |
| 5. Qualifications | |
| Essential | Preferable |
| Education | |
| • Bachelor’s degree in Mechanical Engineering, Refrigeration Engineering, or Electrical Engineering, or a related field | • Master’s degree in Mechanical Engineering, Refrigeration Engineering, or a related field |
| Experience | |
| • 6–9 years in projects engineering for refrigeration systems | • 10+ years in engineering for refrigeration systems |
| Certificates / License | |
| • IIAR (International Institute of Ammonia Refrigeration) Certification (Preferred for ammonia-based refrigeration projects) | • ASHRAE Certified HVAC Designer (CHD) (For advanced refrigeration & HVAC system design) • PMP (Project Management Professional) (For project management expertise) |
| 6. Job Competencies | |
| Technical Competencies | Core Competencies |
| • Advanced Refrigeration System Design – Ammonia & Freon-based system optimization. • Electrical Power & Control Integration – Load calculations, SCADA, and automation control. • Fire Safety & Risk Management – Refrigeration-specific fire suppression and leak detection systems. • BIM & MEP Coordination – Using AutoCAD, Revit MEP, and Navisworks for project planning. • Energy Efficiency & Sustainability – VFDs, waste heat recovery, and optimized refrigerant cycles. • Testing & Commissioning – Functional verification of refrigeration & control systems, and refrigerant charge optimization. | • Project Leadership & Team Management – Leading engineers, supervisors, and subcontractors. • Problem-Solving & Critical Thinking – Troubleshooting refrigeration & MEP challenges. • Regulatory Compliance & Risk Management – IIAR, ASHRAE, HACCP, and safety codes. • Client & Vendor Management – Effective coordination with project stakeholders. |
| 7. Knowledge | |
| • Industrial refrigeration plant design & optimization. • Electrical power distribution & control for cold storage systems. • Fire safety & ventilation for refrigeration plants. • PLC, SCADA & remote monitoring integration for refrigeration systems. | |
| Computer Skills | Language |
| • Electrical & Power System Software • ERP Systems • Microsoft Office | • English – Proficient • Arabic |
| Special Requirements | |
| • Must have a valid driving license and be willing to travel. • Familiarity with local authority approval processes for industrial refrigeration. | |
