Senior Mechanical Engineer - Infrastructure & Tunnel Systems

WSP; Riyadh; On-site; SAR 300,000 - 520,000; Full time

Job summary

WSP in Riyadh is seeking a Senior Mechanical Engineer to lead supervision of tunnel and road infrastructure projects, including ventilation, firefighting, drainage and HVAC systems. You will review designs, ensure compliance and drive quality across interfaces with civil, electrical and structural teams.

The role demands extensive GCC experience on large-scale transportation projects, strong knowledge of MEP installations, and a focus on HSE, documentation, and commissioning activities from site

Qualifications

• Bachelor's Degree in Mechanical Engineering from a recognized university.
• Master's degree preferred.
• Minimum 15 years of experience, with at least 5 years in the GCC on infrastructure/transportation projects.
• Experience with a construction supervision consultant is mandatory.
• Strong knowledge of MEP installations in tunnel and road projects.
• Familiarity with NFPA, ASHRAE, EN, BS, and ISO standards.
• Excellent written and verbal communication in English.
• Proficiency in AutoCAD, MS Office, and project documentation systems.

Responsibilities

• Supervise and inspect mechanical works on infrastructure projects (e.g., tunnel ventilation, firefighting systems, drainage pumps, lighting).
• Review and comment on design submissions, shop drawings, material submittals, and method statements for mechanical systems.
• Ensure installations conform to project specifications, standards, and applicable codes.
• Coordinate closely with other disciplines (civil, electrical, structural) and ensure interface alignment on-site.
• Monitor contractors’ progress and workmanship, flag deviations, and lead resolution of mechanical-related issues.
• Attend progress and technical meetings; report regularly to the client and project team.
• Ensure compliance with health, safety, and environmental (HSE) regulations on all mechanical aspects.
• Lead inspections and testing of mechanical systems (e.g., tunnel ventilation fans, fire pumps, HVAC systems, pressure tests).
• Provide input to change requests, claims, and technical variations related to mechanical scope.
• Assist in the preparation of handover documents and commissioning plans.

Skills

English communication

Project coordination

Construction supervision

Design review

Quality assurance

Education

Bachelor's Degree in Mechanical Engineering

Master's degree preferred

Tools

AutoCAD

MS Office

Job description

WSP in Riyadh is seeking a Senior Mechanical Engineer to lead supervision of tunnel and road infrastructure projects, including ventilation, firefighting, drainage and HVAC systems. You will review designs, ensure compliance and drive quality across interfaces with civil, electrical and structural teams.

The role demands extensive GCC experience on large-scale transportation projects, strong knowledge of MEP installations, and a focus on HSE, documentation, and commissioning activities from site