Data Center Infrastructure Mechanical Engineer - Fremont, CA or Plano, TX

Who We Are Delta Electronics is a global innovator at the forefront of technologies powering the future. Since 1971, we’ve been leading the way in high-efficiency power and thermal management solutions. Today, we’re driving transformation across industries with smart, sustainable systems that enable everything from AI, industrial automation, and data centers to EV charging, renewable energy, and intelligent buildings. Delta is powering the AI age with cutting-edge infrastructure solutions for hyperscale and edge data centers. Our high-efficiency power systems, thermal management, and intelligent monitoring technologies help the world’s largest data operators achieve peak performance and sustainability. Join us to help build the cornerstone solutions that will run tomorrow’s digital world. Key Responsibilities The Data Center Infrastructure Mechanical Engineer is responsible for designing, modeling, and validating mechanical systems that support modern data‑center deployments. This role requires deep proficiency in CAD modeling , strong understanding of new data‑center construction , and hands‑on experience with skidded and containerized mechanical power products . The engineer will work closely with cross‑functional teams to develop scalable, manufacturable, and reliable mechanical solutions that support high‑density compute environments. Mechanical Design & CAD Engineering Develop detailed 2D and 3D CAD models for mechanical systems, assemblies, and infrastructure components used in data‑center environments Create fabrication drawings, mechanical layouts, piping diagrams, and installation documentation for skidded and containerized systems Maintain design libraries, standards, and revision control for mechanical assets Perform tolerance analysis, fit‑checks, and manufacturability reviews for complex assemblies Data Center Construction & Infrastructure Engineering Support mechanical design for new data‑center builds, including cooling infrastructure, hydronic systems, equipment placement, and mechanical room layouts Collaborate with construction teams, contractors, and vendors to ensure designs meet site requirements, building codes, and operational standards Evaluate site conditions, climate considerations, and load requirements to ensure mechanical systems perform reliably and efficiently Skidded & Containerized Product Development Design and integrate mechanical systems for skidded cooling units, modular mechanical skids, and containerized data‑center products Develop specifications for pumps, heat exchangers, filtration systems, manifolds, and structural components Ensure modular systems meet transport, installation, and commissioning requirements Work with manufacturing partners to validate assembly processes and quality standards Cross‑Functional Collaboration Partner with electrical, controls, structural, and product engineering teams to ensure cohesive system integration Participate in…