About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies…
About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies…
About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies…
About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies…
Skills: C++, Rust, 6-DoF Simulation, GNC Algorithms, Monte Carlo Simulation
About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies…
About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies…
About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies…
Skills: Hardware Testing, Test Instrumentation, Root Cause Analysis, CAD, DAQ Systems
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LISI AEROSPACE is ranked 60th in the global aerospace value chain and specializes in the design and manufacture of high-tech metal components to enhance aircraft safety and performance. Active since 1950 in the fastener …
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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 and technical excellence are decisive advantage…
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 and technical excellence are decisive advantage…
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Supply Chain Planning, Senior Supply Chain Planning, and Global Planning Management (All Levels)
Torrance, California, United States · On-site
Mid level$470M raised
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 and technical excellence are decisive advantage…
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Bring more to life. Are you ready to accelerate your potential and make a real difference within life sciences, diagnostics and biotechnology? At Phenomenex, one of Danaher’s 15+ operating companies, our work saves lives…
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Full-time
bachelor degree
Long-term Stock Incentives, Medical Insurance, Vision Insurance, Dental Insurance, Paid Time Off
Posted 76d ago
~40 hrs/week
Responsibilities
Design, analyze, and build mission-critical flight hardware, including composite tanks and separation mechanisms for hypersonic vehicles. Drive rapid iteration through four-week prototype cycles and collaborate with technicians for hardware integration and testing.
Requirements
Requires a Bachelor's degree in Mechanical Engineering and at least 2 years of professional experience in aerospace or hardware industries. Must be proficient in CAD software and meet U.S. Government export regulations (ITAR).
Full job description
About Castelion
Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. We're designing, building, and testing next generation long range strike weapons systems to give America and its Allies a definitive edge and deter future conflicts.
Mechanical Engineer
Castelion is seeking a hands-on, high-agency Mechanical Engineer excited to take ownership of real flight hardware and grow alongside a fast-moving team. You will work on the design, fabrication, and integration of critical flight structures and mechanisms across Castelion's hypersonic vehicles. This role is ideal for someone who thrives in fast-paced environments, learns quickly, and wants to see their work go from concept to flight in weeks-not years. You'll be empowered to take on meaningful responsibilities immediately. This is a rare opportunity to grow as a full-stack engineer while working on hardware that matters.
Responsibilities
Design and Develop Flight Hardware: Support the design, analysis, and build of mission-critical systems including composite tanks, separation mechanisms, and actuators. You'll contribute to CAD models, run basic analysis, and work with technicians and leads to integrate and test hardware.
Rapid Iteration and Prototyping: Contribute to four-week subsystem prototype cycles. Participate in design reviews, integrate test feedback, and help drive continuous improvement based on real-world data.
Get Hands-On and Learn Fast: Work closely with leads and technicians during builds. Learn how to write travelers, build notes, and quality documentation. Gain exposure to the full product lifecycle in a highly accelerated environment.
Basic Qualifications
Educational Background: Bachelors degree in Mechanical Engineering with 2+ years of professional ME experience, preferably in aerospace, automotive, or hardware-focused industries.
Technical Skills: CAD design of mechanical components (e.g., SolidWorks, NX, or similar); understanding of statics, dynamics, and thermal principles
Ownership Mentality: Eager to take on responsibility, contribute in a hands-on environment, and learn from experience
Attention to Detail: Thoughtful about part numbers, materials, tolerances, and documentation-even when moving quickly
Leadership Qualities
Bias to Action and Creative Problem Solving. Desire and experience questioning assumptions in ways that lead to break through ideas that are ultimately implemented. Successfully bring in applicable processes/concepts/materials from other industries to achieve efficiency gains. Ability to personally resolve minor issues in development without requiring significant support.
High Commitment, High Initiative. A successful candidate will have a genuine passion for Castelion's mission and consistently look for ways to contribute to the company's technical goals and prevent hardware blockers. Ability to work in a fast paced, autonomously driven, and demanding atmosphere. Strong sense of accountability and integrity.
Clear Communicator. Proactively communicates blockers. Trusted in previous roles to be voice of company with regulators, suppliers, gate keepers and customers. Capable of tactfully managing relationships with stakeholders to achieve company-desired outcomes without compromising relationships. Emails, IMs and verbal interactions are logical, drive clarity, and detailed enough to eliminate ambiguity.
ITAR Requirements
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.
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.
All employees are granted long-term stock incentives
as part of their employment at Castelion. All employees receive access to
comprehensive medical, vision, and dental insurance, and the company offers
four weeks of paid time off per year.
How many Manufacturing jobs are open in Torrance, CA right now?
There are currently 771 open manufacturing positions in Torrance, CA listed on Clera. New openings are added daily as companies post roles.
Which companies are hiring for Manufacturing roles in Torrance, CA?
Companies currently hiring include Castelion, Divergent, Honeywell Technologies, Neros Technologies, Hadrian, among others. Browse the listings above to see every active employer.
Are there remote or hybrid Manufacturing jobs in Torrance, CA?
Yes — 70 of the 771 open manufacturing positions offer remote or hybrid work (2 remote, 68 hybrid).
How do I apply for Manufacturing jobs in Torrance, CA?
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.