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Castelion · 1 day ago

Mechanical Engineer

Torrance, CA

Full-time

Onsite

Entry, Mid Level

$100K/yr - $150K/yr

2+ years exp

Castelion is bringing a new approach to defense development and production, focusing on short design cycles and rapid testing. They are seeking a hands-on Mechanical Engineer to design, fabricate, and integrate critical flight structures for hypersonic vehicles, contributing to the rapid development of next-generation weapon systems.

AerospaceGovernmentManufacturingMilitaryNational Security

No H1B

U.S. Citizen Only

Hiring Manager

Nicholas Sparks

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

Qualification

CAD designMechanical EngineeringAerospace experienceDynamicsClear communicatorAttention to detailOwnership mentality

Required

Bachelor's degree in Mechanical Engineering with 2+ years of professional ME experience, preferably in aerospace, automotive, or hardware-focused industries

CAD design of mechanical components (e.g., SolidWorks, NX, or similar); understanding of statics, dynamics, and thermal principles

Eager to take on responsibility, contribute in a hands-on environment, and learn from experience

Thoughtful about part numbers, materials, tolerances, and documentation—even when moving quickly

Bias to Action and Creative Problem Solving

High Commitment, High Initiative

Clear Communicator

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