To become a flight attendant in Qatar, you will need to follow these steps:

1. Meet the Basic Requirements: The minimum age requirement to become a flight attendant in Qatar is 21 years old, and you should be physically fit and able to swim. You should also have a high school diploma or equivalent qualification.

2. Apply Online: You can apply for a flight attendant position through the Qatar Airways website or recruitment agencies. You will need to submit your resume, cover letter, and other required documents.

3. Attend an Assessment Day: If your application is successful, you will be invited to attend an assessment day. This includes a series of tests and interviews designed to assess your suitability for the role. You may also be required to undergo a medical examination.

4. Attend Training: If you pass the assessment day, you will be invited to attend a flight attendant training program. The training lasts for approximately eight weeks and covers topics such as safety and emergency procedures, customer service, and aviation regulations. You will also receive practical training on board aircraft.

5. Obtain Necessary Certifications: You may need to obtain certain certifications, such as a CPR and first aid certificate, before you can start working as a flight attendant.

6. Start Working: Once you have completed your training and obtained the necessary certifications, you can start working as a flight attendant for Qatar Airways. You will be assigned to a specific aircraft and route, and you will be responsible for ensuring the safety and comfort of passengers on board.

7. Advance Your Career: As you gain experience and seniority, you may have opportunities to advance your career as a flight attendant. You may be eligible for promotions to lead flight attendant, purser, or even training instructor positions.