Lead Avionics Technician - Harnessing

Why Castelion, Why Now

Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus, ownership, and excellence are decisive advantages - and we're building a world-class team to turn bold ideas into real capability.

This is a rare opportunity to join at an early stage, where you'll have significant ownership, collaborate with exceptional teammates, and make a direct, measurable impact on our mission and the future of the company - regardless of your function.

Lead Avionics Technician – Harnessing

Role Overview

The Lead Avionics Technician – Harnessing is a hands-on floor leadership role responsible for supporting the daily execution of wire harness manufacturing and rework.

This Lead is expected to stay close to the work, understand what the team is building, identify blockers and schedule risks early, and help drive issues to resolution. The Lead will work closely with technicians, Quality, Manufacturing Engineering, Responsible Engineers, Planning, and the Avionics Supervisor to keep work moving.

This is not a desk-based role. The Lead is expected to maintain a strong presence on the production floor and actively support technicians throughout the day.

Responsibilities

- Maintain daily visibility of harness work in progress and upcoming work.

- Identify blockers, delays, material shortages, tooling issues, drawing concerns, and process gaps before they impact schedule.

- Take ownership of driving blockers to the correct support team and follow through until resolution.

- Communicate schedule risks and delays to the Avionics Supervisor early.

- Serve as the first technical point of contact for harness technicians.

- Support wire preparation, crimping, soldering, connector assembly, shielding, splicing, routing, sleeving, labeling, and final assembly.

- Help technicians interpret drawings, wire lists, work instructions, specifications, and acceptance criteria.

- Verify technicians are working to the correct revision and released documentation.

- Coordinate with Quality for in-process and final inspections.

- Make sure inspection needs are communicated early so work is not waiting unnecessarily.

- Support continuity, insulation resistance, hipot, pull testing, and other required electrical testing.

- Support troubleshooting, rework, and disposition activity.

- Review complex harness work before closure when issues would be difficult to correct later.

- Support first article and first-build activities.

- Train and mentor technicians on harness workmanship and company processes.

- Identify recurring defects or process issues and work with Manufacturing Engineering on improvements.

- Support clean handoffs between technicians, shifts, Quality, and Engineering.

- Provide clear and accurate updates during daily stand-ups and production meetings.

- Maintain strong floor organization, safety, and workmanship standards.

Qualifications

- Strong hands-on experience building aerospace or high-reliability wire harnesses.

- Experience with crimping, soldering, shielding, splicing, connector assembly, and harness routing.

- Strong understanding of drawings, wire lists, work instructions, and process specifications.

- Working knowledge of IPC/WHMA-A-620 or similar workmanship standards.

- Experience with continuity testing, insulation resistance, hipot, or related electrical testing preferred.

- Ability to troubleshoot technical and process issues.

- Strong communication and organization skills.

- Ability to train and mentor technicians.

- Comfortable working directly with Quality, Engineering, Planning, and production leadership.

- Must be proactive and comfortable escalating issues before they impact production.

Castelion offers a generous benefits package. Please refer to the bottom of our Careers page for more details.

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

Additional Eligibility Requirements

This position may require access to classified information or restricted U.S. Government sites, systems, or information, as determined by the Company and/or applicable U.S. Government requirements. If the position is so designated, your employment in the role may be contingent upon your ability to obtain and maintain the required U.S. Government security clearance or other government authorization, and to satisfy any citizenship or other eligibility requirements imposed by applicable law, regulation, executive order, or government contract requirements. You will be notified if and when such requirements apply.

Affirmative Action/EEO Statement

Castelion is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.

Castelion is committed to providing reasonable accommodations to qualified individuals with disabilities throughout the application and hiring process. If you require a reasonable accommodation to complete an application, participate in the interview process, or otherwise participate in the hiring process, please contact View email address on aiapply.co. Requests for accommodation will be considered on an individual basis and handled in accordance with applicable law.

Castelion is committed to fostering a workplace where employment decisions are based on qualifications, business needs, and the ability to perform the essential functions of the role, with or without reasonable accommodation.

EAR/ITAR Requirements

This position requires access to export-controlled information, and as such, employment (or hiring of a contractor) is contingent upon the candidate’s ability to access all applicable export-controlled information without additional export licensing being required by the Bureau of Industry and Security and/or the Directorate of Defense Trade Controls.