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S3 AeroDefense

Senior Technician (Levels 3 and 4)

Milwaukee, WI

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hirly's read of this role

Seniority
Senior
Country
US
Work mode
On-site / unstated
First seen by hirly
4 Nov 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

Description

Purpose of the Job:

The Senior Technician performs advanced maintenance and alteration tasks and serves as a key technical resource within the Repair Station. This role is responsible for executing complex and non-routine work, leading troubleshooting efforts, mentoring technicians, and driving measurable improvements in quality, efficiency, and repeatability while ensuring strict compliance to approved technical data and Repair Station procedures.

Reports to: Lead Technician

Duties and Responsibilities:

  • Perform maintenance or alteration on aircraft parts in accordance with Component Maintenance Manuals, Technical Orders, or the equivalent
  • Execute complex, non-routine, or high-risk repairs requiring strong technical judgment, ensuring work remains within the bounds of approved data and Repair Station authorization
  • Independently interpret manuals, determine proper repair sequencing, and validate applicability/effectivity of technical data prior to execution
  • Lead or significantly support troubleshooting efforts: isolate faults, verify corrective actions, and prevent recurrence of repeat discrepancies and quality escapes
  • Identify opportunities to improve efficiency, quality, and repeatability and communicate them to Leads and Management
  • Assist with training, OJT, and development of junior technicians; provide coaching on process discipline, documentation accuracy, and troubleshooting approach
  • Support first-article work, new capability development, and stabilization of repeat repairs through improved methods, sequencing, and standard work
  • Assure that prior to use, tooling or test equipment requiring calibration is not out of date and is in serviceable condition
  • Make entries in the ERP system to track work accomplished
  • Place orders in the ERP system for the parts needed to repair or overhaul articles
  • Assure consumables are not beyond shelf life if applicable
  • Maintain a clean, safe, and organized work area

Requirements

  • Advanced experience in aviation maintenance or component repair, military or civilian
  • Associate degree in a technical field or FAA Airframe or Airframe & Powerplant license desired
  • Ability to use various basic measurement and inspection equipment such as calipers, multimeters, gauges, and micrometers
  • Demonstrated ability to exercise independent technical judgment on complex repairs while maintaining regulatory compliance and strict adherence to approved technical data
  • Demonstrated ability to troubleshoot, resolve complex issues, and guide others
  • Ability to consistently follow approved technical data, work instructions, and shop processes

Training:

  • Initial Training as outlined in the Training Manual
  • Annual/Recurrent Training as posted on the Training Log, S3RS-FM-100
  • Aerospace Industry Quality Training, FAA 145, Traceability, 8130-3 documents, ESD, Suspected Unapproved Parts, Shelf Life/LLP’s, AD’s, ATA Spec 300, PMA Parts, Direct Ship Authority, Repair Stations, and Standard Terminology
  • Other Trainings as assigned
  • 90 Day Probation OJT
Original posting on S3 AeroDefense's site ↗

Listed on hirly, a job board. hirly is not the employer: S3 AeroDefense is hiring for this role.

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