The ideal candidate possesses an EASA-ATPL license and a valid EASA Class 1 Medical certificate. They must hold a type rating on the B737-300/900 aircraft. A minimum of 5,000 total flight hours is required, including at least 2,500 hours as a Commander on the B737CL/NG or an equivalent aircraft type, with a minimum of 1,000 hours specifically on the B737CL and NG variants. Furthermore, the candidate must demonstrate ICAO Level 4 English Language Proficiency.