Dimensional and Mechanical Inspector

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Dimensional and Mechanical Inspector

Torrance, CA

• Quality

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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, ownership, and excellence are decisive advantages - and we''re building a world-class team to turn bold ideas into real capability.

This is a rare opportunity to join at an early stage, where you''ll have significant ownership, collaborate with exceptional teammates, and make a direct, measurable impact on our mission and the future of the company - regardless of your function.

Dimensional/Mechanical Inspector

The Dimensional/Mechanical Quality Inspector will support the manufacturing and assembly of precision mechanical components and structures for long-range hypersonic strike vehicles. This is an hourly, non-exempt position located in our Torrance facility. In this role, you will ensure mechanical parts and assemblies meet drawing, specification, and quality requirements throughout the production lifecycle.

Responsibilities

• Perform receiving, in-process, and final inspection of machined parts, sheet metal, hardware, and mechanical assemblies
• Conduct dimensional inspections using calipers, micrometers, height gauges, and other precision measurement tools
• Interpret engineering drawings, GD&T, specifications, and acceptance criteria
• Verify material certifications, traceability, and compliance documentation
• Perform visual inspection for workmanship, damage, cleanliness, and configuration accuracy
• Support first article inspections (FAI) in accordance with AS9102 requirements
• Document nonconformances clearly and work with manufacturing and engineering on resolution
• Maintain accurate inspection and acceptance records in accordance with the quality management system
• Support continuous improvement initiatives related to inspection methods and defect reduction
• Assist with customer and government source inspections as required

Basic Qualifications

• 3+ years of experience inspecting mechanical or structural hardware in an aerospace or defense environment
• Strong proficiency reading and interpreting engineering drawings and GD&T
• Experience using common dimensional inspection tools
• Knowledge of mechanical workmanship standards and assembly practices
• High level of attention to detail and strong analytical skills

Preferred Skills and Experience

• Experience supporting R&D and early-stage production programs
• Prior involvement inspecting flight or mission-critical hardware
• Ability to work efficiently in a fast-paced manufacturing environment
• Strong written and verbal communication skills
• Comfortable collaborating with machinists, assemblers, engineers, and quality personnel
• Ability to manage shifting priorities while maintaining inspection accuracy
• Familiarity with digital quality systems and inspection documentation

Castelion offers a generous benefits package. Please refer to the bottom of our Careers page for more details.

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

Additional Eligibility Requirements

This position may require access to classified information or restricted U.S. Government sites, systems, or information, as determined by the Company and/or applicable U.S. Government requirements. If the position is so designated, your employment in the role may be contingent upon your ability to obtain and maintain the required U.S. Government security clearance or other government authorization, and to satisfy any citizenship or other eligibility requirements imposed by applicable law, regulation, executive order, or government contract requirements. You will be notified if and when such requirements apply.

Affirmative Action/EEO Statement

Castelion is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.

Castelion is committed to providing reasonable accommodations to qualified individuals with disabilities throughout the application and hiring process. If you require a reasonable accommodation to complete an application, participate in the interview process, or otherwise participate in the hiring process, please contact [email protected]. Requests for accommodation will be considered on an individual basis and handled in accordance with applicable law.

Castelion is committed to fostering a workplace where employment decisions are based on qualifications, business needs, and the ability to perform the essential functions of the role, with or without reasonable accommodation.

EAR/ITAR Requirements

This position requires access to export-controlled information, and as such, employment (or hiring of a contractor) is contingent upon the candidate's ability to access all applicable export-controlled information without additional export licensing being required by the Bureau of Industry and Security and/or the Directorate of Defense Trade Controls.

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