+ Perform all preflight operations on aircraft between final assembly and customer acceptance, including functional checks and engine runs, using the necessary tools and equipment. + Carry out and certify work associated with the building of an aircraft from early development stages through to final assembly and pre-delivery activities. + Conduct detailed inspections of aircraft systems and structures as required by internal procedures and regulatory standards. + Complete all required inspection reports, log entries, and related documentation accurately and in a timely manner. + Apply troubleshooting techniques to diagnose and resolve mechanical and system issues identified during preflight and engine run operations. + Interpret and follow blueprints, technical drawings, and maintenance manuals to perform work to specification. + Ensure all work meets safety, quality, and regulatory requir...