He worked in the Austrian Embassies in Rome (from 1983) and Belgrade (Yugoslavia) from 1986, as well as in Budapest, Hungary (1990/91) and Zagreb, Croatia, (1991).
Until 1995 he headed a unit within the Ministry for Foreign Affairs dealing with the conflicts and crises of "Former Yugoslavia".
in charge of the organisation and conception of the conference “The Sound of Europe” (Salzburg, January 2006), designed as kick-off event for the Austrian EU Council Presidency.
[2] In 2007 Wölfer became Ambassador to Indonesia (resident in Jakarta), with co-accreditations for Singapore and East-Timor as well as for ASEAN.
[5] Since September 2017 he has been heading the Department for Southeast Europe and EU-Enlargement at Vienna's Foreign Ministry.