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- Assure that prior to use, tooling or test equipment requiring calibration is not out of date and is in serviceable condition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
Listed on hirly, a job board. hirly is not the employer: S3 AeroDefense is hiring for this role.
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