Senior Wire Harness Design Engineer (EWIS)

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About this role

Senior Wire Harness Design Engineer (EWIS) Austin, TX, Austin, Texas, United States Saronic Technologies is a leader in revolutionizing autonomy at sea, dedicated to developing state-of-the-art solutions that enhance maritime operations through autonomous and intelligent platforms. Job Overview Saronic is seeking a Senior EWIS Engineer to own and drive EWIS architecture execution for a platform or major subsystem, translating schematic intent into manufacturable harness documentation and reliable vessel integration. This role leads technical decisions, supports production scale-up, interfaces directly with manufacturing and suppliers, and mentors junior EWIS engineers while ensuring compliance with applicable standards and program requirements. Responsibilities & Requirements - Develop and maintain EWIS architectures, schematics, and harness assembly drawings in Zuken E3 with a strong emphasis on design intent, configuration control, and manufacturability. - Lead complex 3D harness routing and packaging trade studies using NX (or equivalent), balancing integration constraints, serviceability, and production repeatability. - Independently size wiring, shields, and protection devices considering continuous/transient loads, voltage drop, derating, thermal environment, and fault conditions. - Identify and mitigate EMI/EMC risk through grounding/bonding strategy, routing/separation, shielding, and termination choices aligned to system architecture. - Review and approve EWIS designs produced by Level 1 engineers; mentor and raise documentation and design quality across the team. - Serve as a primary EWIS interface to manufacturing and external suppliers; drive build readiness, incorporate DFM feedback, and mitigate schedule/technical risk. - Plan and review EWIS verification & validation activities; lead root-cause analysis and corrective actions for complex wiring, EMI, and integration issues. - Interpret

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