Principal - Mechanical Engineer

We are seeking an experienced Principal Mechanical Engineer to lead the delivery of complex infrastructure projects across Saudi Arabia, with a primary focus on gas systems (LPG, SNG and Natural Gas networks), district cooling/chilled water networks, pump stations, and utility infrastructure
. The role will be responsible for providing technical leadership, delivering engineering solutions, securing authority approvals, managing multidisciplinary coordination, and ensuring high-quality project delivery in accordance with local regulations and international standards.

The successful candidate will act as a subject matter expert, mentor engineering teams, engage directly with clients and authorities, and contribute to the growth and technical excellence of the Infrastructure Business.

• Lead the design and delivery of mechanical infrastructure projects with a focus on gas systems, district cooling/chilled water networks, and utility pump stations.
• Provide technical leadership for engineering calculations, specifications, reports, drawings, and procurement support activities.
• Develop feasibility studies and engineering assessments for cooling strategies, including district cooling and decentralized cooling systems at master planning stage.
• Evaluate and recommend gas supply solutions, including LPG, Natural Gas (NG), and Synthetic Natural Gas (SNG), based on technical, commercial, and operational requirements.
• Design gas storage facilities, gas farms, pressure regulating stations (PPRS/SPRS), and associated distribution networks for developments of varying scale.
• Lead hydraulic modelling and network analysis for gas and chilled water systems using industry-standard software.
• Prepare and review technical reports, design documentation, engineering specifications, and tender documents.
• Develop district cooling plant concepts and performance specifications for Design & Build (D&B) projects.
• Coordinate with multidisciplinary teams to ensure integrated and efficient infrastructure solutions.
• Manage authority approvals and liaise with relevant stakeholders, including utility providers, Civil Defense, Ministry of Energy, district cooling operators, and municipal authorities.
• Review contractor shop drawings, method statements, and material submittals to ensure compliance with project requirements.
• Ensure all designs comply with applicable local regulations, international standards, safety requirements, and sustainability objectives.
• Identify project risks and develop mitigation measures to support successful project delivery.
• Support project planning, resource allocation, budgeting, and programme management activities.
• Attend and lead technical meetings, client presentations, authority workshops, and design review sessions.
• Mentor and develop junior engineers, providing technical guidance and supporting professional growth.
• Maintain high standards of QA/QC throughout project execution and ensure quality deliverables are produced on time and within budget.
• Act as a trusted advisor to clients, maintaining strong relationships and ensuring client satisfaction.

• Bachelor's Degree in Mechanical Engineering or equivalent from a recognized university.
• Minimum 10-15 years of post-graduate experience in mechanical infrastructure engineering.
• Chartered Engineer, Professional Engineer, or working towards a recognized professional accreditation.
• Proven experience in the design and delivery of LPG, Natural Gas (NG), and Synthetic Natural Gas (SNG) systems.
• Strong experience in the design of gas pressure regulating stations (PPRS/SPRS) and gas distribution networks.
• Extensive knowledge of district cooling systems, chilled water networks, and utility pump stations.
• Demonstrated experience in utility master planning, feasibility studies, and infrastructure strategy development.
• Proficiency in hydraulic modelling software such as Bentley WaterGEMS, SISHYD/Gas Works, FLUIDIT, or equivalent.
• Strong understanding of ASHRAE, SBC, NFPA, IGEM, Civil Defense, Ministry of Energy, and other relevant local and international standards.
• Experience in preparing technical reports, design calculations, specifications, tender documents, and authority approval submissions.
• Proven ability to lead multidisciplinary engineering teams and manage complex infrastructure projects.
• Experience coordinating with clients, contractors, utilities, and regulatory authorities.
• Excellent communication, stakeholder management, and technical presentation skills.
• Strong…