Principal Engineer - Mechanical

Responsibilities
JOB DESCRIPTION
Lead mechanical/HVAC design from feasibility and basis-of-design (BoD) through detailed design, tender and construction support for aviation facilities.
Own the environmental strategy for very large volumes (e.g., hangar bays): heating/cooling concepts, destratification, purge/exhaust modes, make-up air, and controls sequences—balancing energy, IAQ and safety. (UFC/ASHRAE/NFPA context).
Engineer specialist ventilation for hazardous operations: paint spray booths/rooms, fuel-cell maintenance/purge ventilation, welding/fume extraction, VOC control, and hazardous-area interfaces with electrical/controls.
Integrate process utilities common to MRO and workshops.
Shape catering facility HVAC and hygienic air zones: kitchen exhaust & makeup air (NFPA 96), pressure cascades, temperature/humidity control for clean prep/packing.
Deliver BIM-led coordination (Revit/Navisworks) across architecture, structures, process, fire protection, and controls; lead clash resolution and model QA.
Run calculations & simulations: loads, duct/pipe sizing, ventilation rates, smoke/fume capture, and (where needed) CFD to support the thermal comfort studies.
Author technical documents: BoD, design reports, specifications, sequences of operation, control narratives, FAT/SAT/commissioning plans.
Engage stakeholders—airlines/MROs, airport operators, food safety teams, and authorities—to secure approvals and smooth delivery.
Lead retrofit, refurbishment, and brownfield upgrade projects within operational airport environments—assessing existing systems, developing phased upgrade strategies, ensuring minimal disruption to ongoing operations, and integrating new systems with legacy infrastructure while addressing capacity, compliance, and energy performance improvements. Key systems & domains you’ll cover
Hangars & workshops: general and emergency exhaust, purge ventilation for fuel system work, floor-level capture where required, destratification/HVLS fans, door air management, radiant/air systems, PCA (pre-conditioned air) and GSE interfaces.
Catering facilities: high-duty kitchen exhaust & makeup air (hoods, MAUs, heat recovery), grease ducting, rooftop terminations, pressure zoning for hygiene, and interfaces to cold rooms/freezers and clean areas.
Experience in refurbishment projects, passenger terminal building Mechanical design (HVAC, Drainage systems) is preferred.
Qualifications
Bachelor’s or Master’s degree in Mechanical Engineering.
Professional registration (e.g., CEng/PE) strongly preferred.
15+ years’ experience in building services (mechanical/HVAC), with significant aviation project delivery (Passenger terminal building, hangars, MRO shops, flight catering, or similar).
Proven leadership as Lead/Principal Engineer on multi-disciplinary design projects and Prior delivery in live airport environments (airside/landside interfaces, works phasing) is preferred.
Expertise writing BoDs, specifications, P&IDs, control sequences, etc.
BIM fluency: Revit, Navisworks; competence with calculations (e.g., IES-VE/HAP/eQuest),CFD exposure preferred.
Client-facing communication and team leadership; mentoring and QA/QC across multiple concurrent packages.
Strong communication skills for effective client presentations, stakeholder workshops, and cross-functional coordination.
Willingness to be based at Dammam Airport for the initial phase of the project (short-term assignment) and relocate to the main office upon project completion
BGV:
Employment with WSP India is subject to the successful completion of a background verification (“BGV”) check conducted by a third-party agency appointed by WSP India.
Candidates are advised to ensure that all information provided during the recruitment process — including documents uploaded — is accurate and complete, both to WSP India and its BGV partner”.
About Us
WSP is one of the world's leading professional services consulting firms. We are dedicated to our local communities and propelled by international brainpower. We are technical experts and strategic advisors including engineers, technicians, scientists, architects, planners, surveyors and environmental specialists, as well as other design, program and construction management professionals. We design lasting solutions in the Transportation & Infrastructure, Property & Buildings, Earth & Environment, Power & Energy, Resources and Industry sectors, as well as offering strategic advisory services. Our talented people around the globe engineer projects that will help societies grow for lifetimes to come.
With approximately 4,000 talented people across 3 locations (Noida, Bengaluru & Mumbai offices) in India and more than 73,000 globally, in 550 offices across 40 countries, we engineer projects that will help societies grow for lifetimes to come.
At “WSP” we draw on the diverse skills and capabilities of our employees globally to compete for the most exciting and complex projects across the world and bring the same level of expertise to our local communities. We are proud to be an international collective of innovative thinkers who work on the most complex problems. Unified under one strong brand, we use our local expertise, international reach and global scale to prepare our cities and environments for the future, connect communities and help societies thrive in built and natural ecosystems. True to our guiding principles, our business is built on four cornerstones: Our People, Our Clients, Our Operational Excellence and Our Expertise.
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At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace your curiosity in a culture that celebrates new ideas and diverse perspectives. You can experience a world of opportunity and the chance to shape a career as unique as you.
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With us, you can operate in a flexible, agile, yet structured work environment and follow a Hybrid Work Model.
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Work arrangement
Hybrid