We are seeking experienced Avionics Technicians to support aircraft maintenance and modification operations in St. Louis, MO. This position is responsible for troubleshooting, installing, repairing, and testing aircraft avionics and electrical systems in an active maintenance environment.
Candidates should have hands on aircraft avionics experience, robust electrical troubleshooting abilities, and the ability to read and interpret aircraft wiring diagrams, schematics, and technical documentation. Regional aircraft experience is preferred.
Essential Duties and Responsibilities Troubleshoot, install, repair, and test aircraft avionics and electrical systems
Perform maintenance and modifications on aircraft electrical and electronic components
Install, route, secure, terminate, and repair aircraft wiring and wire harnesses
Perform continuity checks, operational tests, and system troubleshooting using appropriate test equipment
Read and interpret aircraft wiring diagrams, schematics, engineering drawings, and technical manuals
Remove and install avionics components, equipment, connectors, and related hardware as required
Support aircraft modification and heavy maintenance activities involving avionics and electrical systems
Identify system discrepancies and perform corrective actions in accordance with approved technical data
Complete maintenance documentation accurately for work performed
Coordinate with maintenance, engineering, inspection, and other technical personnel to resolve aircraft discrepancies
Competencies Avionics Knowledge: Demonstrates practical knowledge of aircraft electrical and electronic systems




Troubleshooting: Identifies electrical and avionics faults and determines appropriate corrective actions
Technical Interpretation: Reads and applies wiring diagrams, schematics, drawings, and maintenance instructions
Attention to Detail: Performs installations, repairs, testing, and documentation accurately
Communication: Communicates aircraft status and technical concerns clearly with maintenance personnel
Teamwork: Works effectively with technicians, inspectors, engineers, and other departments
Summary of Education, Experience and Certification Previous hands on aircraft avionics or electrical maintenance experience required
Experience troubleshooting, installing, and repairing aircraft avionics systems required
Regional or commercial aircraft maintenance experience preferred
CRJ or ERJ aircraft experience preferred
FCC license is helpful but not required
Required Knowledge, Skills and Abilities Knowledge of aircraft avionics and electrical systems
Ability to troubleshoot electrical and electronic discrepancies using appropriate test equipment
Ability to read and interpret wiring diagrams, schematics, blueprints, and technical documentation
Experience with aircraft wiring, harnesses, connectors,



terminations, and electrical repairs
Ability to perform system installations, modifications, operational checks, and repairs
Ability to follow approved maintenance procedures and regulatory requirements
Strong problem solving and organizational skills
Ability to complete aircraft maintenance documentation accurately
Ability to work independently and as part of a maintenance team
Work Environment and Physical Demands Work is performed in an active aircraft maintenance and hangar environment around aircraft, electrical systems, tools, equipment, and maintenance personnel.
The position may require extended periods of standing, bending, kneeling, climbing stairs or ladders, working from maintenance platforms, and lifting up to 50 pounds.
Reasonable accommodations may be provided to enable qualified individuals with disabilities to perform the essential functions.
GAL AeroStaff Contract Employee Benefits Eligible GAL AeroStaff contract employees may receive:
Medical benefits after 90 days of employment
Three paid holidays per year after 90 days of employment: Thanksgiving Day, Christmas Day, and New Year's Day
State mandated sick leave, where applicable
Travel pay, when applicable to the assignment
Per diem split, when applicable to the assignment
Access to a 401(k) plan
Any employer 401(k) contribution or match is discretionary and is not guaranteed. GAL AeroStaff does not provide company wide vacation or sick leave beyond applicable state mandated requirements.

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📌 Aircraft Avionics Technician (Quebec City)
🏢 GAL AeroStaff
📍 Quebec City