We are looking for a Senior Mechanical Engineer with strong technical expertise in the design, specification, and integration of large-scale mechanical components for dams and hydropower schemes. This role will focus on pressure pipelines (penstocks), high-capacity valves, and hydraulic or mechanical gates, supporting both new installations and asset rehabilitation. 

Key Responsibilities: 

Design and specify large-diameter steel penstocks, expansion joints, anchor blocks, and supports 

Select and integrate isolation and control valves (e.g. spherical, butterfly, Howell-Bunger) 

Develop gate layouts including radial, vertical lift, and slide gates with appropriate actuation systems 

Evaluate structural and fatigue performance under transient hydraulic loads 

Collaborate with civil, hydraulic, and structural teams to coordinate mechanical interfaces 

Support procurement, fabrication reviews, and site installation planning 

Role Requirements: 

Bachelor’s degree in Mechanical Engineering (Master’s preferred) 

Minimum of 8 years’ experience in hydro-mechanical design for dams, hydropower, or large water infrastructure 

Solid understanding of transient load effects, fatigue, and pressure boundary design 

Familiarity with international standards (e.g. ASME, AWWA, EN) for pressure equipment and valves 

Experience coordinating with civil and structural teams on embedded parts and foundations 

Proficiency in mechanical analysis tools and CAD software (e.g. AutoCAD, Inventor, ANSYS) 

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 2024. 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.