Senior Technician (Levels 3 and 4) in Milwaukee, Wisconsin at S3 AeroDefense LLC

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• Assure that prior to use, tooling or test equipment requiring calibration is not out of date and is in serviceable condition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

• 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