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Senior Wire Harness Design Engineer (EWIS)
Saronic Technologies
Design
Austin, TX, USA
Posted on Mar 19, 2026
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 and enforce IPC/WHMA, ABYC, ABS, and applicable MIL standards within projects, ensuring consistent application across designs and releases.
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).
Benefits:
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
This role requires access to export-controlled information or items that require “U.S. Person” status. As defined by U.S. law, individuals who are any one of the following are considered to be a “U.S. Person”: (1) U.S. citizens, (2) legal permanent residents (a.k.a. green card holders), and (3) certain protected classes of asylees and refugees, as defined in 8 U.S.C. 1324b(a)(3).
Saronic does not discriminate on the basis of race, sex, color, religion, age, national origin, marital status, disability, veteran status, genetic information, sexual orientation, gender identity or any other reason prohibited by law in provision of employment opportunities and benefits.