Senior Wire Harness Design Engineer (EWIS)

Saronic Technologies

$90K — $120K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Electrical Engineering, Mechatronics, or related field.
  • 5-12+ years of EWIS, harness engineering, or electrical integration experience with ownership.
  • Proficiency with Zuken E3 (or equivalent) and 3D harness routing tools.
  • Deep expertise in EWIS integration, including wire/shield/protection sizing and grounding strategies.
  • Strong ability to produce complex technical documentation and ensure design intent throughout installation.
  • Proven leadership in technical execution and mentoring of engineers.

Responsibilities

  • Develop and maintain EWIS architectures and harness assembly drawings with Zuken E3.
  • Lead 3D harness routing and packaging trade studies, balancing integration and production.
  • Size wiring and protection devices considering electrical loads and environmental conditions.
  • Mitigate EMI/EMC risks through strategic design choices and architecture alignment.
  • Review and approve designs from junior engineers, enhancing documentation quality.
  • Interface with manufacturing and suppliers, driving production readiness and risk mitigation.
  • Lead EWIS verification & validation, performing root-cause analysis for integration issues.

Benefits

  • Comprehensive health insurance with 100% premium coverage for employees and 80% for dependents.
  • Dental and vision insurance with full premium coverage for employees under the basic plan.
  • Generous PTO and holiday time off.
  • Paid maternity and paternity leave for new parents.
  • 401(k) retirement plan with company match.
  • Equity stock options to participate in the company's success.
  • Basic life and disability insurance coverage.
  • Discounted pet insurance and 24/7 Telehealth helpline.
  • Free lunch and unlimited drinks/snacks in the office.
Full Job Description
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

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