Senior Mechanical Design engineer

Dar Al Riyadh Consultants; Riyadh; On-site; SAR 200,000 - 300,000; Full time

Job summary

A leading consultancy in Saudi Arabia is seeking a Lead Mechanical Design Engineer to oversee the design of critical wet utility systems. This office-based role involves managing projects for major infrastructure developments, ensuring compliance with local and international standards while mentoring junior engineers. Ideal candidates will possess significant experience in water and wastewater infrastructure and strong technical skills in design software.

Qualifications

• Minimum 12 years of experience in wet utilities design.
• Strong understanding of water/wastewater infrastructure.
• Familiarity with Saudi design standards.

Responsibilities

• Lead design of wet utility systems and sewage treatment plants.
• Coordinate with civil, electrical, and structural teams.
• Prepare and review technical drawings and material specifications.

Skills

Mechanical systems understanding

Leadership

Coordination

Communication

Education

Bachelor’s degree in Mechanical Engineering

Master’s degree preferred

Tools

AutoCAD

Civil 3D

Job description

Job Summary:
We are seeking a Lead Mechanical Design Engineer to lead the design of wet utilities systems, including potable water, firefighting, irrigation, stormwater, and sewage networks, as well as sewage treatment plants and lifting stations. The role is office-based and focused on delivering high-quality, compliant designs for major infrastructure and development projects.

Key Responsibilities:

• Lead the design of wet utility systems, including water distribution, irrigation, stormwater drainage, and sewage collection networks.


• Oversee mechanical design of sewage treatment plants (STP) and stormwater/sewage lifting stations.


• Prepare and review technical drawings, layouts, design reports, and material specifications.


• Develop design deliverables including BOQs, equipment schedules, and design calculations.


• Coordinate closely with civil, electrical, and structural teams to ensure integrated design.


• Ensure compliance with Saudi authority requirements (e.g., SBC, NWC, RC, MOMRA) and international standards.


• Manage and mentor junior engineers and CAD designers.


• Participate in internal design reviews and client meetings to present and defend design choices.

Qualifications:

• Bachelor’s degree in Mechanical Engineering (Master’s preferred).


• Minimum 12 years of experience in wet utilities design, with a focus on STPs and pumping/lifting stations.


• Strong understanding of mechanical systems used in water and wastewater infrastructure.


• Proficiency in AutoCAD, Civil 3D, and preparation of detailed design documentation.


• Familiarity with local authority processes and design standards in Saudi Arabia.


• Strong leadership, coordination, and communication skills.