1. Many come on visit to drop their CVS but hardly succeed, because the vacancies are fewer and applicants are in hundreds. On top of it, employment visa is hard to get. 2. "Qatar Living" services section is where you can find visit visa consultants. 3. Anyone can sponsor his family if his salary is more than Qar. 10,000 and has a good job title, without job, none can live, work or sponsor the family. 4. Your job in the construction companies is possible but on two/three years contract basis.