Staff Mechanical Design Engineer

MissionHires is partnering with a client to hire a Staff Mechanical Design Engineer in Buffalo, NY (onsite, no remote). In this role, you will lead the development of complex electro-hydraulic, electro-mechanical, and electro-pneumatic components and systems that become new products. You’ll report to the Site Engineering Manager and leverage deep expertise across statics/dynamics, rotating machinery, stress/fatigue/performance analysis, FEA/CFD, and model-based design. US citizenship and 10+ years of relevant experience are required.

• Lead the design and development of complex electro-hydraulic, electro-mechanical, and electro-pneumatic components and systems for new products
• Apply mechanical engineering principles across statics, dynamics, and rotating machinery to achieve performance, reliability, and safety targets
• Conduct stress, fatigue, and performance analyses to validate designs and ensure durability
• Build and execute simulations using FEA and CFD tools to inform design decisions and optimize system behavior
• Develop and use model-based design approaches for requirements, architecture, and validation
• Collaborate with the Site Engineering Manager and cross-functional teams through the product development lifecycle
• Prepare technical documentation, design reviews, and validation evidence supporting new product introduction
• Support testing, troubleshooting, and iterative design improvements during prototyping and verification

• US citizenship
• Onsite presence in Buffalo, NY (no remote)
• Bachelor’s degree in Mechanical Engineering (Master’s preferred)
• 10+ years of related mechanical design and development experience
• Proven expertise in statics and dynamics
• Hands-on experience with hydraulics and electro-mechanical systems
• Strong background in stress, fatigue, and performance analysis
• Experience with rotating machinery design and analysis
• Proficiency with FEA (Finite Element Analysis) tools and CFD (Computational Fluid Dynamics)
• Experience with model-based design methodologies
• Strong communication and collaboration skills to work cross-functionally and present design reviews

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