Senior Design Engineer - Mechanical (Hydraulics/Pumps)

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Job Summary We are seeking a Senior Mechanical Engineer with strong experience in district cooling plants and chilled-water networks. The successful candidate should also be willing to support the design and delivery of water, wastewater, irrigation and stormwater pumping stations. The role requires the ability to independently manage technical activities, coordinate multidisciplinary teams and specialist subconsultants, and act as a key technical interface with clients and authorities. Key Responsibilities - Lead the planning and design of district cooling plants, chilled-water networks and Energy Transfer Stations. - Carry out or manage cooling-demand assessments, plant sizing, hydraulic modelling, network routing, phasing strategies and feasibility studies. - Support Feasibility Studies, CMP, DMP, concept, schematic and detailed design stages. - Prepare and review design calculations, reports, layouts, specifications, equipment schedules, BOQs and tender documents. - Coordinate district cooling requirements with building MEP teams, wet utilities, infrastructure, electrical, structural, architectural and BIM teams. - Manage specialist subconsultants and review their technical deliverables. - Coordinate with clients, authorities and utility providers, including Abu Dhabi DoE, and support feasibility studies and NOC applications. - Support and participate in the mechanical design of potable water, firefighting, irrigation, sewage, stormwater and treated sewage effluent pumping stations. - Assist with the selection and sizing of pumps, valves, pipework, pressure vessels, lifting equipment and other mechanical systems. - Review hydraulic information, pump duties, system curves and equipment operating requirements. - Provide technical guidance and support to junior and graduate engineers. - Ensure that designs comply with project requirements, applicable standards and company quality procedures. - Bachelor’s degree in Mechanical Engineering from a recognised university. - Relevant professional registration or progress toward professional accreditation is preferred. - Minimum of 8–10 years of relevant experience in mechanical and infrastructure design. - Strong experience in district cooling plants and chilled-water distribution networks. - Experience in hydraulic modelling and district cooling network analysis. - Good understanding of Energy Transfer Stations and interfaces with building MEP systems. - Experience in CMP, DMP, feasibility, concept and detailed design stages. - Familiarity with Abu Dhabi DoE requirements, NOC procedures and applicable UAE and GCC regulations. - Experience in managing multidisciplinary coordination and specialist subconsultants. - Ability to independently manage technical deliverables and communicate directly with clients. - Willingness and ability to work on pumping-station projects in addition to district cooling assignments.Preferred Skills - Experience with district cooling and hydraulic-modelling software. - Knowledge of pumps, piping systems, valves, pressure vessels and associated mechanical equipment. - Experience with AutoCAD, Revit, Navisworks and BIM coordination. - Previous experience in water, wastewater or infrastructure pumping-station design. - Strong technical writing, communication and coordination skills. - Ability to manage multiple projects, priorities and deadlines. At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.   About AECOM  AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan.  AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com.  What makes AECOM a great place to work  You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity.  As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.