Castelion · 4 months ago
Senior Manufacturing Engineer - Machining
Torrance, California, United States
Full-time
Onsite
Senior Level
5+ years expCastelion is bringing a new approach to defense development and production, focusing on short, iterative design cycles and rapid testing. The Senior Manufacturing Engineer - Machining will work closely with design engineering and technician teams to build and execute testing and validation efforts for hypersonic vehicle development, ensuring product maturity for flight testing and production.
AerospaceGovernmentManufacturingMilitaryNational Security
No H1B
U.S. Citizen Only
Responsibilities
Work with component design engineering teams to determine the manufacturing and testing feasibility of product
Operate as a standalone resource responsible for a family of mechanisms
Architect, mature and develop testing and validation procedures for a wide array of complex mechanisms
Generate concept proposals in alignment with R&D efforts to help attribute requirements gathering
Down select solutions generated based on quantifiable vehicle attributes, system cost and weight
Propose and defend solutions in engineering review meetings
Develop and refine process documentation including build instructions, test and validation procedures, health and safety standards, and mBOMs
Create, maintain, and communicate detailed production plans and schedules
Work closely with supply chain to develop new and existing suppliers as needed
Design, develop and implement production tooling and equipment
Participate in design reviews to drive design for manufacturing (DFM)
Oversee introduction and implementation of new products and manufacturing capabilities
Analyze and resolve manufacturing issues and non-conformances
Develop, mentor, and train peers and colleagues
Qualification
Required
Bachelors degree in mechanical, aerospace, or manufacturing engineering, or other technical degree
5+ years of mechanisms manufacturing, testing and validation experience
Experience with operations/product line management
Demonstrated direct or indirect leadership
Proficiency in CAD/CAM software (NX preferred)
Experience in selection, procurement, and implementation/validation of manufacturing equipment
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
Preferred
Experience in mechanisms design, testing and validation from high volume production environments
Experience developing comprehensive testing and validation procedures and the required documentation processes
Experience in qualification and acceptance testing of complex aerospace mechanisms
Working experience with capacity modeling, process mapping, Lean/Six Sigma and value stream mapping
Experience in transitioning development processes to rate production
Benefits
Long-term stock incentives
Comprehensive medical, vision, and dental insurance
Four weeks of paid time off per year
Company
Castelion
Castelion is a defense tech company that applies modern hardware development and manufacturing processes to national security challenges.
51-200 employees
Funding
Current Stage
Growth StageTotal Funding
$469.61MKey Investors
Lightspeed Venture PartnersSilicon Valley BankAndreessen Horowitz
2025-12-05Series B· $350M
2025-01-29Series A· $70M
2025-01-29Debt Financing· $30M
Leadership Team
Bryon Hargis
Founder // CEO
Andrew Kreitz
Co-Founder and CFO
Recent News
2026-01-19
Tech Startups - Tech News, Tech Trends & Startup Funding
2025-12-09
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