CMM Inspector

CMM Inspector

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 CMM Programmer and Dimensional Quality Inspector—reporting to the Quality organization—to 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 develop and execute CMM inspection programs while also performing traditional dimensional inspection to ensure mechanical parts and assemblies meet drawing, specification, and quality requirements throughout the production lifecycle.

Responsibilities

• Develop, optimize, and execute CMM inspection programs using PC-DMIS software
• Program CMM routines for complex geometries, GD&T callouts, and tight-tolerance features
• Create and maintain inspection programs for repeat production parts and first article inspections
• Perform CMM setup, probe calibration, and fixture configuration
• Import and align CAD models for programming and inspection purposes
• Generate detailed inspection reports and analyze measurement data for trends
• Perform in-process and final inspection of machined parts, sheet metal, hardware, and mechanical assemblies
• Conduct dimensional inspections using calipers, micrometers, height gages, and other precision measurement tools
• Interpret engineering drawings, GD&T, specifications, and acceptance criteria
• 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

Basic Qualifications

• 5+ years of experience programming using PC-DMIS software and operating CMMs in an aerospace or defense manufacturing environment, specifically

Preferred Skills and Experience

• 5+ years of experience programming using PC-DMIS software and operating CMMs in an aerospace or defense manufacturing environment, specifically
• Strong ability to create, debug, and optimize CMM inspection programs from engineering drawings and CAD models
• Experience with probe qualification, fixture setup, and CMM maintenance procedures
• 3+ years of experience inspecting mechanical or structural hardware using traditional measurement tools
• Strong proficiency reading and interpreting engineering drawings and GD&T (including advanced GD&T concepts)
• Experience using common dimensional inspection tools (calipers, micrometers, height gages, etc.)
• Knowledge of mechanical workmanship standards and assembly practices
• High level of attention to detail and strong analytical skills
• Basic understanding of statistical analysis and measurement uncertainty
• Experience with multiple CMM platforms (bridge, horizontal arm, or portable CMMs)
• Familiarity with other metrology software packages (Polyworks, Calypso, etc.)
• Experience programming for inspection of complex aerospace components (turbine blades, airfoils, castings, etc.)
• Knowledge of scanning techniques and point cloud inspection methods
• 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
• Experience mentoring or training junior inspectors

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 for up to 10 weeks of paid leave, while non-birthing parents may take up to 4 weeks of paid leave. This time can be used for pre-natal care, pregnancy, childbirth, and related medical needs—ensuring every parent has the support they need during this important life moment.8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees
• Meals & Catering: Frequently catered lunches and team meals, plus company-covered meals when extra time or effort is required
• Snacks & Beverages: Fully stocked kitchen with unlimited snacks and drinks to keep you fueled throughout the day
• Performance & Fitness: $100 monthly fitness stipend to support peak performance and health, both inside and outside of work
• EV Charging: Onsite electric vehicle charging available for employees

Physical Demands

• Must be willing to work extended hours and/or weekends as needed

• Must be able to travel up to 30%
• Must be able to lift more than 50lbs

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.

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. Failure to obtain or maintain any required clearance or authorization may result in reassignment, leave, or separation from employment, consistent with business needs and applicable law.

Affirmative Action/EEO Statement

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.

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.