In Ireland, the Work Permit Scheme is for issuance of work permits for occupations with a salary of EUR 30,000 a year or more where Green Card Permits are not available. In very limited circumstances, they can be issued for salary ranges below EUR 30,000 a year. The work permit can be issued to the applicant for the occupation specified on the permit. It is issued for an initial period of two years and can be renewed... 

If you want to work in Belgium and you are not an EU citizen, you can aply for work permit type B. After you work more that 4 years having a work permit type B, you can aply for a work permit type A. Rules to obtain the Work Permit Type B: - it’s renewable period of one year. - if you change jobs your permit is invalidated - your potential employer must apply for an employment authorisation from the regional employment...