Senior Manufacturing Engineer - Composites

Senior Manufacturing Engineer - Composites

Torrance, California, United States

$  -  (US Dollar)

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.

Castelion is seeking a highly skilled Senior Manufacturing Engineer to establish in house manufacturing capability for composite components. This will include qualifying build processes, releasing mature work instructions, producing tooling, and training operators.

This role will be responsible for delivering flight ready composite hardware produced through internal Castelion manufacturing processes.

Responsibilities

• Develop, validate, and implement manufacturing processes for composite structures, including layup, vacuum bagging, curing, trimming, bonding, and assembly operations.
• Design and develop production tooling, fixtures, molds, and manufacturing aids required for in-house production.
• Generate and release work instructions, process specifications, and manufacturing documentation.
• Troubleshoot manufacturing issues and drive improvements in quality, yield, throughput, and cost.
• Lead the transition of composite components from development and external suppliers to internal production.
• Establish process controls, manufacturing standards, and inspection requirements to ensure consistent product quality.
• Support equipment selection, factory development, and workflow optimization to enable efficient composite manufacturing.
• Partner with design and materials engineering teams to provide DFM feedback and ensure products are designed for manufacturability and production success.
• Support development, qualification, and implementation of new composite materials, tooling concepts, and manufacturing methods.
• Work cross-functionally with design, quality, supply chain, procurement, and program management to meet performance, schedule, and cost objectives.

Basic Qualifications

• Bachelor's or advanced degree in aerospace engineering, manufacturing engineering, materials engineering, mechanical engineering or physics.
• 3+ years of experience building aerospace grade composite components from scratch

Preferred Skills and Experience

• Experience in a hardware development environment
• Previous involvement in a high-speed production environment, handling flight hardware
• Prior involvement in a high-output environment, involving hands-on experience in constructing composite components
• Ability to acclimate to frequently changing assignments and a fast-paced working environment
• Excellent communication skills, both written and oral, along with effective teamwork abilities
• Superb focus and attention to detail, with remarkable work efficiency and accuracy
• Use of hand tools, power tools and fabrication tools
• Expertise in manufacturing and repairing intricate testing systems
• Familiarity with Atlassian tools such as SVN, Confluence, and JIRA
• Skills in project management

Benefits And Perks

• 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
• Company Paid Holidays:
  Ten (10) company paid holidays
• 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…