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Castelion in Torrance, CA is seeking a Production Supervisor, R&D for the night shift. You will lead a team of technicians across multiple disciplines, overseeing production execution and driving improvements on electro-mechanical assemblies and tests.
The role reports to the Production Manager and requires strong leadership, scheduling, and shop-floor oversight. This is a full-time position with equity, generous PTO, and comprehensive benefits.
Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantages - and we are building a team that can deliver real capability, not just concepts.
This is a rare opportunity to join at an early stage, where your work will directly shape critical systems, influence major technical decisions, and have immediate, real-world impact.
Production Supervisor, R&D (Night Shift 2pm to 11pm)
Castelion is looking for a components Production Supervisor, reporting to the Production Manager, to support the development and production of electro-mechanical systems required for long-range hypersonic strike vehicles. This will be a full-time position located at our Torrance, California facility.
As an Production Supervisor, you will lead and develop a team of R&D Technicians while owning daily production execution across assembly rework, components manufacturing, electro-mechanical assembly, integration, and test.
This role requires a strong technical and process-focused mindset combined with the people leadership and production ownership expected of a supervisor. You will organize and assign work, monitor execution, develop technicians, resolve production issues, identify opportunities for improvement, and maintain a strong hands‑on presence on the production floor.
Responsibilities
Basic Qualifications
Preferred Skills and Experience
Physical Demands
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.
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. Failure to obtain or maintain any required clearance or authorization may result in reassignment, leave, or separation from employment, consistent with business needs and applicable law.
Affirmative Action/EEO Statement
Employment with Castelion is governed on the basis of competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.
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.