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From the employer's careers site First seen 26 Oct 2026

Senior Mechanical Engineer - Infrastructure

WSP Riyadh senior full-time

The employer hasn't listed a salary.

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Description

WSP is seeking a Senior Mechanical Engineer - Infrastructure to join our Transport & Infrastructure team in Riyadh, Saudi Arabia.

The role will support the design and delivery of multidisciplinary infrastructure and masterplan projects, with a particular focus on district cooling and chilled water networks, gas distribution systems, mechanical utilities, and pump station interfaces.

The successful candidate will produce engineering calculations, models, technical reports, specifications, tender documentation, and authority submission packages.

Responsibilities

Mechanical Infrastructure Design

  • Develop mechanical infrastructure designs, calculations, specifications, schedules, reports, and drawings for district cooling, chilled water, gas distribution, and associated utility systems.
  • Undertake concept, feasibility, preliminary, and detailed design activities for infrastructure and masterplan developments.
  • Support cooling strategy studies, including district cooling and decentralised cooling options.
  • Support gas supply studies and option assessments.
  • Develop designs for gas farms, pressure regulating stations, distribution pipework, and associated mechanical infrastructure.

Modelling & Technical Analysis

  • Undertake hydraulic modelling and engineering analysis for chilled water and gas networks using industry software.
  • Prepare design calculations, equipment selections, technical assessments, and option comparison reports.
  • Review modelling outputs and coordinate findings with other teams.

Codes, Standards & Approvals

  • Apply the Saudi Building Code, applicable Saudi authority requirements, and relevant international standards.
  • Prepare authority submission documentation and support the resolution of technical comments.

Project Delivery & Coordination

  • Coordinate with multidisciplinary teams to deliver integrated infrastructure solutions.
  • Prepare and review technical reports, design packages, tender documents, and procurement information.
  • Review contractor shop drawings and material submittals during construction support stages.

Quality, Safety & Sustainability

  • Follow project QA/QC procedures and undertake checking of calculations, drawings, reports, and specifications.
  • Identify technical risks and support the development of practical mitigation measures.
  • Develop solutions that consider safety, sustainability, cost, constructability, maintainability, and whole-life performance.

Qualifications

  • Bachelor's degree in Mechanical Engineering or a related engineering discipline.
  • Minimum 8+ years of post-graduate experience in mechanical engineering.
  • Demonstrable experience designing mechanical infrastructure systems, particularly district cooling/chilled water and gas distribution networks.
  • Experience supporting infrastructure, utilities, land development, or masterplan projects in Saudi Arabia or the wider Middle East is highly desirable.
  • Knowledge of the Saudi Building Code, Saudi authority requirements, and relevant international standards.
  • Experience with hydraulic modelling tools for chilled water and gas networks.

Skills

Required

Nice to have

  • Bentley WaterGEMS
  • SISHYD/GasWorks
  • FLUIDIT

Ready to apply?

You apply with the employer directly. Their original posting is here: https://emit.fa.ca3.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_2001/job/96670

Apply on WSP