Manufacturing Engineer, Harnessing

Responsibilities

• Create and maintain work instructions, BOM/MBOM, harness assembly flows, test plans, fixture/tooling specifications, and manufacturing process documentation for prototype and production harness builds.
• Partner with supply chain to qualify and develop external harness fabrication partners, define quality/test criteria (continuity, insulation, functional, hi-pot), and support supplier readiness for production builds.
• Support design reviews with a focus on DFM, DFT, connector selection, harness routing, and supplier handoff readiness. Facilitate risk analysis and MRRs.
• Develop and implement harness test procedures and systems for continuity, insulation resistance, high-pot/functional verification, environmental screening when required, and test data analysis.
• Drive yield improvement, throughput gains, defect reduction, and cost optimization through Lean and CI methodologies.

Requirements & Qualifications

• Bachelor’s degree in mechanical, Electrical, Manufacturing, or related Engineering discipline.
• 3+ years of experience in manufacturing engineering with emphasis on wiring harness/cable assembly processes, fabrication, and test.
• Strong familiarity with harness standards (crimping, routing, strain relief techniques), electrical continuity/functional test methods, and assembly best practices.
• Hands-on experience developing manufacturing processes and work instructions for electromechanical hardware.
• Excellent written and verbal communication skills.
• Must be authorized to work in the U.S. and comply with ITAR eligibility requirements.

Leadership Qualities

• Bias to Action and Creative Problem Solving.
• Desire and experience questioning assumptions in ways that lead to break through ideas that are ultimately implemented.
• Successfully bring in applicable processes/concepts/materials from other industries to achieve efficiency gains.
• Ability to personally resolve minor issues in development without requiring significant support.
• High Commitment, High Initiative.
• A genuine passion for Castelion’s mission and a willingness to contribute to the company’s technical goals and prevent hardware blockers.
• Ability to work in a fast-paced, autonomously driven, and demanding atmosphere.
• Strong sense of accountability and integrity.
• Clear Communicator. Proactively communicates blockers. Trusted in previous roles to be the voice of the company with regulators, suppliers, gatekeepers, and customers. Capable of tactfully managing relationships with stakeholders to achieve company-desired outcomes without compromising relationships.

ITAR Requirements

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.