Principal Mechanical Engineer

About the Company

As one of the largest employee-owned companies in the world, we bring together over 20,000 experts across six continents, delivering transformative engineering, management, and development services in 150 countries. Mott MacDonald is more than a consultancy—we are a global community of purpose-driven professionals committed to creating sustainable solutions that improve lives.

We are proud of our collegiate and collaborative culture, where equality, diversity, and inclusion are not just values—they are lived experiences. Our teams work on some of the world’s most impactful infrastructure projects, across sectors like Buildings, Water, Transport, Energy, etc. Together, we are shaping a resilient, equitable, and sustainable future.

About the Business Unit

Global Delivery Services Centre (GDSC) is a high-impact business unit within Mott MacDonald, dedicated to enhancing project delivery across our global operations.

As part of GDSC, you’ll join a team that champions excellence in both technical and digital disciplines, supporting projects at every stage of the lifecycle—from concept to completion. We work to international design standards and regulations, ensuring our contributions meet the highest benchmarks of quality and innovation.

At GDSC, you’ll be empowered to collaborate across borders, grow your expertise, and make a meaningful impact on infrastructure and development projects that shape communities worldwide.

As part of GDSC in India, you will be working alongside Mott MacDonald international colleagues delivering ambitious projects across a broad range of building types including commercial, residential, retail and offices, education, healthcare, airports, data center, hotels, sports and events venues, and Metro & stations. Under this sector, our services span the whole asset cycle from advisory to consulting, through design and delivery, to asset management. With deep understanding of all phases of the building lifecycle, it enables us to give our clients the best-informed engineering and innovative solutions.

Role:

We are looking for a visionary leader to manage projects across global markets. The role involves driving project delivery, bid support, and business excellence, while inspiring teams, mentoring talent, and fostering innovation. Strong client engagement and strategic thinking are essential to ensure quality outcomes and long-term partnerships.

Reporting to a senior member in Buildings sector, role holder will be responsible for delivering below outcomes as part of GDSC in India:

Key Responsibilities:

• Do design calculations and quantity estimation.
• Ensure all design work is carried out in accordance with Company’s quality standard procedures.
• Ensure checking of all design output and seamless coordination between other sections/disciplines.
• Lead design team for completing deliverables within time limits.
• Effective task management through performance management of design engineers and CAD Technicians.
• Ensure accountability and delivery as also profitability by monitoring design cost.
• Actively share knowledge and experience with other staff in the section and organization particularly to help coach and develop more junior staff.
• Have good experience in District cooling plant design
• Have awareness and working knowledge in big water cooled chillers
• Have awareness and working knowledge of ETS stations, condenser cooling system, cooling towers --etc
• Have good knowledge of chiller controls and refrigerant leakage systems
• Have good knowledge of DCP piping and control flow diagrams
• Have awareness of Thermal storage tanks and optimisation of DCP efficiency
• Have awareness of DCP monitoring and control through SCADA
• Have good knowledge of Chilled water supply & return piping system and controls

Key Capabilities :

• Minimum qualification of B.E./ B.Tech in Mechanical Engineering discipline.
• Minimum 15+ years working experience in HVAC design, in roles of increasing responsibility and project complexity.
• CEng and a member of the IET or CIBSE (Preferably)
• Have experience in high rise buildings/shopping malls/hotels/metro projects etc.
• Be proficient in HVAC software like HAP, HEVACOMP, etc, for calculating space cooling and heating loads, ducting, and piping design, equipment selection, ventilation systems etc.
• Should be experienced in smoke extraction system, car park/kitchen ventilation system, stair wall pressurization etc.
• Be well versed in reviewing and checking of drawings and calculations.
• Have experience preparation of reports such as design basis, concept, schematic etc., and technical specifications.
• Have good awareness and knowledge in developing BOQ.
• Have familiarity with local authority codes and regulations such as of local Municipality, Civil Defence, Environmental Authority of countries in which the candidate has job experience.
• Have good knowledge of relevant international codes and regulations such as ASHRAE/CIBSE/BS/BSEN/BSRIA etc.,
• Experience working on international projects.
• Have knowledge in sustainable, green building design practices and rating guidelines.
• Be able to handle design independently and lead a team of Engineers and technicians/modellers and do time and resource management.
• Have good oral and written communication skills and liaise with clients directly.

We can offer (subject to Company’s policy)

• Agile and safe working environment
• Competitive annual leave and sick leaves
• Group incentive scheme
• Group term life insurance, Workmen’s compensation and Group medical insurance coverage
• Short and Long-term Global employment opportunities
• Global collaboration and knowledge sharing
• Digital Innovation and Transformation

Equality, diversity and inclusion

We put equality, diversity and inclusion at the heart of our business, seeking to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they have the opportunity to contribute.

Agile working

At Mott MacDonald, we believe it makes business sense for you and your manager to choose how you can work most effectively to meet your client, team and personal commitments. We embrace agility, flexibility and trust.