Production Supervisor, R&D; Night Shift

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

• Manage the majority of night shift technicians across multiple disciplines at Castelion.
• Hire and develop a team of technicians in support of Castelion LRIP production goals.
• Supervise shop floor activity, including daily schedules and work flow.
• Lead and manage a staff of up to 30 technicians, including performance management.
• Ensure all required skillsets are adequately sourced on the R&D team.
• Maintain tooling and consumable inventory
• Identify and develop training as required from the skills matrix
• Track and execute on deliverables out of the R&D shop.
• Continuous process improvement.

Basic Qualifications

• 5 years aerospace manufacturing and assembly experience
• 3+ years of leadership exerptise

Preferred Skills and Experience

• 5+ years in an aerospace manufacturing environment.
• Bachelors degree in an associated field.
• 3+ years in a supervisory or lead technician role.
• Intimate knowledge of MES software.
• Excellent communication and organizational skills.
• Employee Equity:
  Meaningful equity for all full‑time employees - share value has increased 150x in three years
• Personal Time Off:
  Four (4) weeks of paid time off to unplug, reset, and come back sharp velocity matters, burnout doesn’t
• Medical:
  We offer plans at 100% employee covered and 80% of dependent coverage
• Dental & Vision:
  We cover 90% employees and 80% for dependents to ensure you and your family have access to quality preventive and ongoing care
• FSA/HSA:
  To support long‑term health and financial resilience, we offer FSA and HSA options that allow employees to set aside pre‑tax dollars for eligible medical and dependent care expenses
• Retirement: 401k plan offered to support long term financial growth along side high‑impact, high‑velocity work
• Paid Parental Leave:
  We support growing families with meaningful time to bond and recover. Birthing parents are eligible for up to 10 weeks of paid leave, while non‑birthing parents may take up to 4 weeks of paid leave. This time can be used for pre‑natal care, pregnancy, childbirth, and related medical needs—ensuring every parent has the support they need during this important life moment.
  8‑weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees
• Meals & Catering:
  Frequently catered lunches and team meals, plus company‑covered meals when extra time or effort is required
• Snacks & Beverages:
  Fu…