Senior MEP Designer: Electrical, HVAC & Piping for Retail

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

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.