New Product Development Engineer (Tustin)

This role does NOT offer relocation assistance, visa sponsorship or corp-to-corp arrangement. Only local candidates will be considered New Product Development Engineer — On-site ABOUT THE COMPANY A privately held global company (approximately 150 employees) that develops rugged, feature-rich tools for HVACR professionals, including meters, manifolds, leak detectors, pumps, and calibration tools. We have an established international footprint and develop products for a global market. Manufacturing is supported through ODM partnerships in China. Qualifications: Bachelor’s degree in Mechanical Engineering or related field; master’s degree preferred 6+ years developing products from concept through production with systems including mechanical, electrical, and firmware Knowledge of thermodynamics, heat transfer, and fluid systems (Fluid handling systems, calibration pumps, pneumatic/hydraulic pumps experience preferred - no oil & gas) Complete proficiency CAD (SolidWorks preferred), BOM management, and design documentation Experienced working contract manufacturers, ODMs / overseas suppliers Must have structured problem?solving and risk tools (RCCA, FMEA, fault trees, fishbone) Experience with Patent documentation Experience designing test fixtures, validation systems, and verification plans Responsibilities: Own mechanical product definition from early concept through production Define and prioritize requirements, performance specifications, system architecture, and key trade?off decisions based on customer needs, costs, schedules, and manufacturability Evaluate product scope, feature set, and technical direction Perform hands?on design, analysis, and troubleshooting of complex systems to include mechanical, electrical, and firmware Integrate products with other devices and systems to ensure system?level compatibility and performance Direct test engineers and help define test strategies, fixtures, validation plans, and acceptance criteria; conduct and review laboratory and field testing Analyze data to drive design improvements and corrective actions Create and maintain Bills of Materials (BOMs) Work with Contract Manufacturers and ODMs to ensure alignment between design intent, cost targets, and supply chain constraints, resolve issues and ensure production readiness, quality, and manufacturability