A&P Mechanics

About the Role

STS Line Maintenance is hiring an A&P Mechanic in Tucson, Arizona, to support commercial aircraft line maintenance operations. The A&P Maintenance Technician will inspect, troubleshoot, repair, and maintain transport-category aircraft while working closely with airline partners, flight crews, and Aircraft Maintenance Controllers. This position is designed for a licensed aviation maintenance professional who can work independently, adapt to changing operational needs, and maintain high standards for safety, quality, and customer service.

The A&P Mechanic supports the daily maintenance needs of STS Line Maintenance customers while helping ensure aircraft remain safe, compliant, and operational. This role reports directly to the Station Manager and performs aircraft maintenance in accordance with applicable regulations, airworthiness directives, company policies, and approved technical documentation.

Responsibilities

• Work closely with airline personnel, flight crews, and Aircraft Maintenance Controllers
• Ensure aircraft are maintained according to applicable airworthiness standards
• Follow airworthiness directives, company policies, and maintenance best practices
• Inspect transport-category aircraft airframes and engines
• Test, troubleshoot, adjust, and repair aircraft systems
• Use hand tools and test equipment to complete maintenance activities
• Analyze test results to identify defective or damaged components
• Adjust, repair, or replace components as required
• Follow aircraft maintenance manuals, schematics, handbooks, and other technical documentation
• Use precision instruments to inspect parts for wear
• Determine when components require repair or replacement
• Troubleshoot electrical, mechanical, and hydraulic aircraft systems
• Maintain high standards for quality and integrity
• Perform additional duties as required
• Work outdoors and in inclement weather when necessary

Aircraft Platforms

Maintenance work may be performed on the following aircraft:

• Airbus A319
• Airbus A320
• Airbus A321
• Boeing 717
• Boeing 737
• Embraer 145
• Embraer 175
• CRJ200
• CRJ700
• CRJ900

Requirements

• Current and valid FAA Airframe and Powerplant License
• No history of FAA license infractions
• Ability to read and interpret aircraft maintenance manuals and specifications
• Ability to determine appropriate methods for repairing or replacing damaged components
• Ability to troubleshoot aircraft airframe and engine systems
• Experience working with electrical, mechanical, and hydraulic systems
• Self-motivated with a positive attitude
• Ability to work with minimal supervision
• Basic to mid-level computer skills
• Strong organizational skills
• Strong communication and customer service skills
• Commitment to quality, safety, and operational excellence
• Flexibility to work days, nights, weekends, and holidays
• Ability to pass a background check
• Ability to pass drug and alcohol testing
• Ability to obtain Customs and Border Protection clearance
• Must own a standard set of line maintenance tools (calibrated and specialty tooling will be provided)

Physical Requirements

• Ability to stand while performing maintenance work
• Ability to climb ladders and stairs
• Ability to lift up to 50 pounds
• Ability to work outdoors and in changing weather conditions

About STS Line Maintenance

STS Line Maintenance provides aircraft line maintenance support for commercial and regional airline operators. Our experienced teams support scheduled and unscheduled maintenance requirements while delivering the rapid response, technical expertise, and dependable service needed to keep aircraft operating safely and efficiently.