Ultrasonic Testing Technician

Job summary

GWT’s Field Ultrasonic / NDT Technician is responsible for performing advanced non-destructive testing (NDT) inspections on wind turbine blades and composite structures using ultrasonic testing (UT) and supporting NDT methods. This role provides critical structural integrity data that supports blade life extension, root cause investigations, repair scope development, and return-to-service decisions. This position requires domestic and international travel, the ability to work at height and in confined blade spaces, and a high level of technical and safety discipline. Technicians work closely with field repair crews, engineering teams, and customer representatives to ensure data is collected, interpreted, and documented to the highest industry standards.

Responsibilities:

1. Ultrasonic & NDT Inspections

• Perform A-scan, B-scan, and phased array UT inspections on:

• Composite material inspections to identify defects, discontinuities, and structural concerns in the following but not limited to

• • Blade shells

• • Main Laminates

• • Shear webs

• • Root laminate 

• • Adhesive bond lines

• Detect and characterize:

• • Delaminations

• • Voids

• • Debonding

• • Porosity

• • Impact damage

• • Adhesive failures
• Support additional NDT methods when required

1. Field Deployment & Access

• Perform inspections:

• • Uptower (inside blades, hubs, and nacelles)

• • Downtower (on suspended blades or ground-based supports)

• Work safely in:

• • Confined spaces inside blades

• • Rope access and suspended work platforms

• • High-wind and remote site conditions
• Interface with rigging crews, rope access teams, and crane crews to coordinate safe access 

1. Data Interpretation & Engineering Support

• Analyze UT signals and map defect geometry, depth, and severity

• Correlate UT findings with:

• • Visual observations

• • Known failure modes

• • Manufacturing layup and ply orientation

• Provide real-time guidance to repair crews on:

• • Defect boundaries

• • Required scarf dimensions

• • Repair acceptability  

1. Reporting & Documentation

• Produce professional inspection reports including:

• • Defect maps

• • C-scan or A/B-scan images

• • Damage classifications

• • Repair recommendations

• Maintain digital inspection records and upload to GWT systems

• Support engineering teams with:

• • Root cause analysis

• • Warranty claims

• • Insurance and customer documentation

1. Safety & Compliance

• Work in strict compliance with:

• • OSHA

• • GWO safety training

• • Confined space and fall-protection procedures

• Perform job hazard analyses (JHAs) before inspections
• Maintain Stop-Work Authority when conditions are unsafe
• Other duties as assigned

Required qualifications

• Technical

  • Level II or Level III Ultrasonic Testing (UT) certification (ASNT, NAS-410, or equivalent)
  • Demonstrated experience with phased array ultrasonic testing (PAUT)
  • Demonstrated experience inspecting composite structures
  • Experience with:
  • Wind turbine blades OR
  • Aerospace, marine, or high-performance composites
  • Ability to interpret:
  • A-scan, B-scan, and phased-array UT data

  Field Experience

  • Experience working:
  • At heights
  • In confined spaces
  • In industrial or wind-energy environments
  • Ability to climb turbines and work inside blades

  Travel & Schedule

  • Must be able to travel 70–90% of the time
  • Must be able to work:
  • Rotational schedules
  • Weekends

  Physical Requirements

  • Able to:
  • Climb ladders and towers
  • Crawl inside blade structures
  • Lift and carry 50+ lbs
  • Work in extreme heat, cold, and wind

Desired qualifications

• • Prior wind-turbine blade inspection experience
  • Experience supporting root cause investigations
  • Familiarity with:
  • GWO
  • Composite repair processes

If you meet the qualifications above and are passionate about renewable energy and the wind industry, please apply to join our team as a NDT Technician. We offer a challenging and rewarding opportunity which will make a significant impact on the future of energy.