Senior NDE Level II Technician

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 advantages - and we are building a team that can deliver real capability, not just concepts.

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.

Castelion is seeking a Senior NDE Level II Technician to support the inspection, manufacturing, and quality assurance of solid rocket motor systems used in the development of long-range hypersonic strike vehicles. This is a full-time position located at our Torrance, CA facility.

As a Senior NDE Level II Technician, you will work closely with Engineering teams in NDE, Quality, and Manufacturing to perform non-destructive evaluation of critical aerospace hardware throughout the manufacturing and assembly process. The position will have a strong focus on Digital Radiography (DR), Computed Tomography (CT), Phased Array Ultrasonic Testing (PAUT), Magnetic Particle (MT), and Visual Testing (VT)/Weld Inspection, ensuring components and welded assemblies meet applicable engineering drawings, specifications, approved inspection procedures, and acceptance criteria.

You will perform in-process and final inspections, interpret and evaluate inspection results within Level II certification authority, accurately document findings, and identify nonconforming conditions that could affect product integrity or performance. You will also collaborate with NDE Level III personnel and engineering teams to resolve technical inspection issues, support corrective actions, and continuously improve inspection and manufacturing processes.

This role is critical to ensuring the quality, reliability, and integrity of flight-critical hardware while supporting Castelion's fast-paced development and production environment.

• Contribute to projects aimed at increasing operational efficiencyat the site
• Conduct in-process, final, and post-fabrication inspections to verify product quality and conformance.
• Perform Digital Radiography (DR), Computed Tomography (CT), Phased Array Ultrasonic Testing (PAUT), Magnetic Particle (MT), and Visual Testing (VT)/Weld Inspection on aerospace components, assemblies, and fabricated hardware in accordance with approved NDE procedures and applicable requirements.
• Inspect welds for size, profile, contour, alignment, surface condition, workmanship, and visible discontinuities.
• Interpret and evaluate inspection results in accordance with applicable engineering drawings, specifications, procedures, and acceptance/rejection criteria.
• Read and interpret drawing weld symbols, manufacturing instructions, and technical documentation.
• Set up, standardize, verify, and operate applicable NDE and inspection equipment within the scope of Level II qualification.
• Utilize weld gauges, borescopes, magnification equipment, precision measurement tools, and other inspection equipment as required.
• Accurately document inspection results and maintain required inspection records, traceability, and quality documentation.
• Identify, document, and communicate nonconforming conditions to NDE Level III, Quality, Engineering, Welding, and Manufacturing teams.
• Collaborate with NDE Level III on complex indications, technical issues, inspection requirements, and development or improvement of NDE techniques.
• Support the inspection and evaluation of flight-critical aerospace hardware throughout manufacturing, assembly, and integration.
• Assist with troubleshooting, root-cause investigations, corrective actions, and continuous improvement activities related to NDE and product quality.
• Maintain inspection equipment and ensure required equipment checks, calibration status, and documentation are current.
• Support development and maturation of NDE inspection processes as manufacturing and production capabilities expand.
• Maintain compliance with applicable safety, quality, customer, and regulatory requirements.
• Work effectively in a fast-paced manufacturing environment while maintaining a high level of inspection accuracy, quality, and attention to detail.

• High school diploma or GED required; technical, vocational, or trade…