Mechanical Engineer

About the Role

LITEON is looking for a creative, best-in-class Mechanical Engineer to design, develop, and validate mechanical and thermal management solutions for power electronics, battery energy storage systems (BESS), AI servers, and data center power infrastructure products. This role is based in Woodinville, WA.

Key Responsibilities

• Design and develop mechanical structures, enclosures, and thermal management solutions for power electronics, BESS, AI servers, and data center infrastructure products.
• Create and maintain 3D CAD models, engineering drawings, BOMs, and related documentation.
• Support product development from concept, prototyping, and validation through production release.
• Perform thermal and structural analysis using CFD, FEA, and engineering validation methods.
• Optimize thermal performance, cooling architectures, mechanical reliability, and product manufacturability.
• Support qualification testing, root cause analysis, and corrective action implementation.
• Participate in customer technical reviews, specification discussions, and design evaluations.
• Investigate field issues and provide engineering solutions through failure analysis and corrective actions.
• Support product enhancements based on customer feedback and field performance.
• Support NPI, pilot builds, manufacturing readiness, and mass production activities.
• Resolve manufacturing, assembly, and DFM/DFA-related issues to improve quality, reliability, and efficiency.
• Collaborate with suppliers and operations teams on cost reduction and process optimization initiatives.
• Support product safety, regulatory certification, and compliance activities throughout the product lifecycle.
• Ensure compliance with applicable industry standards, including UL, IEC, and related safety requirements.
• Work with testing laboratories, certification agencies, and cross-functional teams to achieve product qualification goals.
• Partner with suppliers on component development, material selection, and manufacturing process evaluation.
• Support component qualification, prototype builds, tooling readiness, and production planning.
• Drive cost, quality, and performance improvements through supplier collaboration.
• Collaborate with Electrical, Firmware, System, Validation, Quality, and Manufacturing teams throughout product development.

Requirements & Tech Stack

• Familiarity with 3D CAD software such as Creo, SolidWorks, NX, Inventor, or equivalent.
• Familiarity with engineering analysis tools such as FEA, CFD, Ansys, Icepak, or FloTHERM.
• Knowledge of Mechanical System Design and Product Development.
• Knowledge of Thermal Analysis, Heat Transfer, and Fluid Mechanics.
• Knowledge of Manufacturing Processes, Material Selection, and DFM/DFA Principles.

Qualifications

• Bachelor's or Master's degree in Mechanical Engineering or a related engineering field.
• Academic, internship, capstone project, co-op, research, or laboratory experience related to:
• Mechanical Design
• Thermal Management
• Power Electronics
• Battery Energy Storage Systems (BESS)
• AI Servers or Data Center Infrastructure
• Liquid Cooling Technologies
• Strong analytical, problem-solving, and troubleshooting skills.
• Hands-on attitude with the ability to support prototyping, testing, and product validation activities.
• Ability to work independently and collaboratively within a cross-functional engineering team.
• Good communications and interpersonal characteristics.
• Willing to learn.
• Self-motivated personality.

Benefits

• Comprehensive benefits package, including medical, dental, vision, 401(k), and paid time off.