MEP Designer

Ninja; Riyadh; On-site; SAR 150,000 - 230,000; Full time

Job summary

Ninja in Riyadh is seeking an experienced MEP Designer to develop, review, and maintain electrical, HVAC, plumbing, and building-services designs for stores.

The role requires ensuring safety, operational efficiency, cost-effectiveness, and long-term maintainability across projects, with a focus on retail facilities.

You will collaborate with engineers and contractors to deliver compliant, well-documented designs for new openings and renovations.

Qualifications

• Bachelor's degree in Electrical or Mechanical Engineering.
• Minimum 5 years of relevant MEP design and engineering experience.
• Strong knowledge of electrical distribution, HVAC, load calculations, BOQs and coordination.
• Experience in retail, supermarkets, warehouses, refrigeration, or cold-room facilities preferred.

Responsibilities

• Prepare and review MEP drawings, specifications, equipment schedules, and calculations.
• Develop electrical load calculations, SLDs, cable sizing, lighting, and power layouts.
• Perform HVAC cooling load calculations, AC sizing, ventilation, and refrigeration design reviews.
• Coordinate plumbing, drainage, fire alarm, and protection with specialists.
• Prepare BOQs, material specifications, and technical comparisons.
• Review contractor submissions, inspect installations, and support testing, commissioning, and handover.
• Maintain standardized engineering documentation, as-built drawings, asset schedules, and warranty records.
• Identify opportunities to optimize construction costs, energy consumption, and maintenance expenses.
• Ensure compliance with applicable Saudi codes and company engineering standards.

Skills

Electrical distribution

HVAC design

Load calculations

MEP drawings

BOQs

Site coordination

Education

Bachelor's degree in Electrical or Mechanical Engineering

Job description

About the Role

Ninja is looking for an experienced MEP Designer to develop, review, and maintain electrical, HVAC, plumbing, and building-services designs for new and existing stores.

The ideal candidate will ensure engineering designs meet safety standards, operational requirements, cost-efficiency objectives, and long-term maintainability.

Key Responsibilities

• Prepare and review MEP drawings, technical specifications, equipment schedules, and engineering calculations.
• Develop electrical load calculations, single-line diagrams, cable sizing, lighting, and power layouts.
• Perform HVAC cooling load calculations, AC sizing, ventilation requirements, and refrigeration design reviews.
• Coordinate plumbing, drainage, fire alarm, and fire protection requirements with relevant specialists.
• Prepare BOQs, material specifications, and technical comparisons.
• Review contractor submissions and drawings, inspect installations, and support testing, commissioning, and handover.
• Maintain standardized engineering documentation, as-built drawings, asset schedules, and warranty records.
• Identify opportunities to optimize construction costs, energy consumption, and maintenance expenses.
• Ensure compliance with applicable Saudi codes and company engineering standards.

• Bachelor's degree in Electrical or Mechanical Engineering.
• Minimum 5 years of relevant MEP design and engineering experience.
• Strong knowledge of electrical distribution, HVAC design, load calculations, MEP drawings, BOQs, and site coordination.
• Experience in retail, supermarkets, warehouses, refrigeration, or cold-room facilities is preferred.
• Familiarity with Saudi Building Code (SBC), electrical standards, and fire and life safety requirements