Further information and useful links

Entry and visa, Federal Ministry for Europe, Integration and Foreign Affairs
http://www.bmeia.gv.at/en/travel-stay/entry-and-residence-in-austria/entry-and-visa/

Entry and visa, Federal Ministry of the Interior
http://www.bmi.gv.at/202/Fremdenpolizei_und_Grenzkontrolle/Einreise/start.aspx

Settlement and residence, Federal Ministry of the Interior
http://www.bmi.gv.at/302_english/start.aspx

Residence and visa, help.gv.at
https://www.oesterreich.gv.at/themen/leben_in_oesterreich/aufenthalt.html

Migration platform
http://www.migration.gv.at/en/

Employment of foreign nationals, Public Employment Service (AMS)
https://www.arbeiterkammer.at/beratung/arbeitundrecht/auslaendischearbeitnehmerInnen/index.html

Foreign employees, Chamber of Labour
http://www.arbeiterkammer.at/beratung/arbeitundrecht/auslaendischearbeitnehmerInnen/index.html

Employment of foreign nationals, Federal Economic Chamber
https://www.wko.at/service/arbeitsrecht-sozialrecht/auslaenderbeschaeftigung.html