Senior Wire Harness Design Engineer (EWIS)

Job Requirements 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 and enforce IPC/WHMA, ABYC, ABS, and applicable MIL standards within projects, ensuring consistent application across designs and releases.

Work Experience Qualifications & Skills Bachelor’s degree in Electrical Engineering, Mechatronics, or related field. 5–12+ years of EWIS, harness engineering, or electrical integration experience with demonstrated ownership. Proficiency with Zuken E3 (or equivalent) and 3D harness routing/integration tools (e.g., NX or equivalent). Deep expertise in EWIS integration and production support, including independent wire/shield/protection sizing and robust grounding/bonding/shielding strategies. Strong ability to interpret and produce complex technical documentation (schematics, BOMs, harness/installation drawings) and ensure design intent carries through to installation. Proven ability to lead cross-functional technical execution, improve workflows/documentation quality, and mentor engineers. Physical Requirements Prolonged periods of sitting at a desk and working on a computer. Occasional standing and walking within the office. Manual dexterity to operate a computer keyboard, mouse, and other office equipment. Visual acuity to read screens, documents, and reports. Occasional reaching, bending, or stooping to access file drawers, cabinets, or office supplies. Lifting and carrying items up to 20 pounds occasionally (e.g., office supplies, packages).

Medical Insurance: Comprehensive health insurance plans covering a range of services

Saronic pays 100% of the premium for employees and 80% for dependents

Dental and Vision Insurance: Coverage for routine dental check-ups, orthodontics, and vision care

Saronic pays 100% of the premium under the basic plan for employees and 80% for dependents

Time Off: Generous PTO and Holidays

Parental Leave: Paid maternity and paternity leave to support new parents

Competitive Salary: Industry-standard salaries with opportunities for performance-based bonuses

Retirement Plan: 401(k) plan with company match

Stock Options: Equity options to give employees a stake in the company’s success

Life and Disability Insurance: Basic life insurance and short- and long-term disability coverage

Pet Insurance: Discounted pet insurance options including 24/7 Telehealth helpline

Additional Perks: Free lunch benefit and unlimited free drinks and snacks in the office