Sr Mechanical Engineer **ABOUT ADVANCED ENERGY** Advanced Energy (Nasdaq: AEIS) is a global leader in the design and manufacturing of highly engineered, precision power conversion, measurement and control solutions for mission-critical applications and processes. AE's power solutions enable customer innovation in complex applications for a wide range of industries including semiconductor equipment, industrial, manufacturing, telecommunications, data center computing and healthcare. Advanced Energy has devoted four decades to perfecting power for its global customers and is headquartered in Denver, Colorado. **WHY BE A PART OF ADVANCED ENERGY?** Some people say it's like working in the best of two worlds. We operate like an agile, growing, small company - you can see your work make a difference to the company every day. Things move quickly and you can see and feel it. At the same time, we're a global company founded in 1981 and have been publicly traded for more than 28 years. We have a strong cash position, deep trust and partnership with leading customers, a global best-in-class operations capability, and a proven leadership team. We have a track record and resources to make things happen both organically and inorganically. Being part of a nimble company with a solid foundation attracts team members that are capable, driven and like a challenge. Our employees collaborate and know how to have fun inventing, working, building and winning together. At our core, we are Advanced Energy - powering the future, together. **POSITION SUMMARY:** As a Mechanical Engineer III in the Plasma Power Group, you will lead the design, analysis, and validation of mechanical systems for high-power products used in plasma processing applications. You will work with a high degree of independence and technical judgment to develop innovative, manufacturable, and reliable solutions for complex power electronics. This role requires strong expertise in thermal management, materials selection, and mechanical design in demanding environments, along with the ability to drive cross-functional collaboration, mentor other engineers, and influence product architecture from concept through production. **RESPONSIBILITIES:** + Lead mechanical engineering activities across all phases of the product development lifecycle, from concept generation through production release and sustaining support. + Own the design and analysis of thermal management systems including cold plates, heat sinks, and air/liquid cooling mechanisms for high-power electronics. + Develop robust mechanical designs and detailed documentation for sheet metal, machined, molded, extruded, stamped, and 3D-printed components and assemblies. + Design and route power and communication cabling to meet system performance, safety, regulatory, and serviceability requirements. + Create, maintain, and drive accuracy of Bills of Materials (BOMs), engineering change documentation, and released product data throughout the lifecycle. + Partner with suppliers, manufacturing, and supply chain teams to optimize designs for manufacturability, cost, quality, and delivery. + Perform and interpret thermal and structural simulations using tools such as Ansys, and correlate results with laboratory and prototype test data. + Perform tolerance stack-up analysis and apply GD&T per ANSI Y14.5 to ensure fit, function, manufacturability, and interchangeability. + Plan and execute experiments, develop test methods, and automate data collection and analysis for performance validation and root-cause investigation. + Apply DFM/DFA principles to improve manufacturability, testability, serviceability, and product reliability. + Lead prototype builds, hands-on testing, design reviews, and troubleshooting efforts for complex mechanical and electro-mechanical issues. + Evaluate and select materials and mechanical solutions suitable for environments with high RF fields, thermal loads, and demanding operating conditions. + Provide technical guidance to other engineers and technicians, and contribute to mechanical design standards, best practices, and continuous improvement initiatives. + Collaborate across engineering disciplines to ensure robust, manufacturable, high-quality product designs that meet customer and business objectives. **WORK ENVIRONMENT:** + Work is split between a standard office environment, an engineering lab, and/or clean room. + Minimal travel may be required both domestically and internationally. **QUALIFICATIONS** **:** Required + Advanced proficiency in SolidWorks or equivalent 3D CAD software for complex part and assembly design. + Strong experience with sheet metal, machined, molded, extruded, stamped, and 3D-printed parts and associated manufacturing processes. + Demonstrated expertise in tolerance analysis and GD&T (ANSI Y14.5). + Hands-on experience with lab testing, instrumentation, and data collection for design validation and troubleshooting. + Experience