Principal Mechanical Engineer

Mott Mac Donald is a global engineering, management, and development consultancy committed to delivering impactful work that shapes the future. We are a team of over 20,000 experts working across the world in more than 50 countries. We are proud to be part of an ever-changing global industry, delivering transformative work that’s defining our future. It’s our people who power that performance.

As an employee‑owned business, we invest in creating a space for everyone to feel safe and valued and empowered with the right tools and support. Whether you want to pursue excellence in your specialism or broaden your experience with flexible roles across our business, you’ll be connected to a community of global experts championing you to be your best. Join us and shape your story with Mott Mac Donald, where everyone has the opportunity to be brilliant.

We are seeking a qualified and enthusiastic Principal Mechanical Engineer to join our growing Buildings team in Riyadh. The role provides the opportunity to work on an exciting range of projects in both private and public sectors, including major framework & infrastructure developments in addition to one‑off projects. The role will be challenging, varied and offer opportunities for skill set development and career development.

As a successful candidate, you will have a strong background and proficiency in Building Services Mechanical Engineering design, and good technical and project management competencies. Your strong written and verbal communication of technical issues to varied technical and non‑technical audiences will be key to your success in the role. We are passionately committed to our teams, clients, and communities in the Kingdom of Saudi Arabia.

We pride ourselves in our local presence across the region and our ability to align the right combination of expertise from around the world from within our business. You will work autonomously within a team delivering building services projects and potentially manage several projects and the work of others.

• Preparation and review of documentation e.g. basis of designs, technical/design specifications, procurement specifications, assessment reports, and survey reports, tailored to the required stage of project completion, covering all aspects of Mechanical Building Services.
• Implementation of detailed surveys of mechanical services and equipment to establish the status of the existing installations and gain sufficient information to recommend new/upgrade design proposals.
• Producing and reviewing Mechanical Building Services design drawings.
• Producing and reviewing detailed calculations.
• Producing fee estimates for work elements.
• Advising on all aspects of energy consumption and utilisation with recommendations to improve energy performance.
• Monitoring of the design and project management of Building Services elements of projects within agreed programmes.
• Supporting/ mentoring/ coaching junior Mechanical Building Services engineers to develop their skill set.
• Working and liaising with associated engineering disciplines as part of delivering projects.
• Management of internal and external stakeholders.
• Support senior managers running the commercial and contractual side of projects.

• Member of the Saudi Council of Engineers
• CEng, and a member of CIBSE or the IMechE
• A degree in Building Services Engineering specialising in mechanical engineering, or a degree in Mechanical Engineering, or equivalent Building Services work experience
• Experience at a senior level of Mechanical Building Services Engineering in the built environment, preferably within a consultancy business and preferably with experience in the Commercial, Hospitality, Education, Sports, Residential, and Healthcare sectors
• Have experience of working on large building projects (SAR
  30m+)
• Up-to-date knowledge of current building regulations, legislation, and standards applicable in building/infrastructure design in the Built Environment.
• The application of LEED and Well
• Highly competent user/ knowledge of industry-recognised software and mechanical engineer design tools. BIM knowledge and experience
• Self‑motivat…