NDT Technician II

Primary Duties

• Set up, calibrate, and operate helium mass spectrometer leak detection equipment including vacuum systems, pumps, and detectors
• Perform leak testing using vacuum, hood, and sniffer techniques
• Verify instrument sensitivity using certified leak standards prior to and during examinations
• Detect, localize, and quantify leak rates in accordance with applicable acceptance criteria
• Interpret and evaluate examination results per code, specification, and customer requirements
• Prepare accurate and complete examination reports including all required calibration data and test parameters
• Select appropriate techniques and procedures based on part configuration and test requirements
• Provide technical direction and on-the-job training to Level I personnel
• Maintain compliance with company written practices and applicable codes and standards

Required Level II Qualifications

• NDT Level II certification in Leak Testing (LT) – Helium Mass Spectrometer in accordance with employer written practice per SNT-TC-1A, NAS 410, or CP-189 as applicable
• Demonstrated hands-on experience with helium leak detection systems, vacuum technology, and leak rate measurement
• Working knowledge of ASME Section V Article 10, and applicable ASTM standards (E493, E498)
• Ability to read and interpret codes, standards, specifications, drawings, and procedures

Preferred Level II Qualifications

• Pressure Change Testing
• Bubble Testing (immersion and applied solution)
• Halogen Diode Leak Detection
• Radiographic Testing (RT)
• Ultrasonic Testing (UT)
• Liquid Penetrant Testing (PT)
• Visual Testing (VT)

Technical Knowledge

• Helium mass spectrometer operating principles and tracer gas behavior
• Vacuum system theory, operation, and troubleshooting
• Leak rate units and interpretation (atm·cc/sec)
• Calibration standards and sensitivity verification
• Applicable codes and customer specification requirements

Education

• Requires a high school diploma, prefer candidate have a BS degree in a recognized field of engineering or a closely related field of science
• Normally requires approximately ten (10) years of applicable professional experience or a combination of graduate study and experience

Other Qualifications

• US Citizenship with ability to attain/maintain government security clearance