She previously worked at the Nalunaq gold mine, Orbicon, and taught at the Arctic Technology Centre in Sisimiut.

[7] She initially was admitted to Aalborg University's school of architecture and design and reached the third semester before she found it poorly suited for her interests.

[3] She attended structural engineering in Aarhus University,[5][4] then spent six months in the Colorado School of Mines.

[2] She currently works as the Greenlandic director for the Australian mining company Ironbark Zinc Limited.

[18] Olsen collaborated with the Foundation for Entrepreneurship to organize the "Arsarnerit Inuusuttai – Young Northern Lights" gathering held in Ilulissat, an entrepreneurial competition between Greenlandic youth.

[16][15] Olsen came under controversy after attending a conference hosted in Tel Aviv amid the Gaza war hosted by Israeli Arab influencer Nas Daily, with some social media users accusing her of supporting Israel amid the conflict.

[20] In January 2025, Olsen announced she would represent the populist party Naleraq in the upcoming 2025 Greenlandic general election.

[7][21] Olsen cited the mining industry as central to supporting the economy of an independent Greenland.

[2] She attempted to petition the Inatsisartut and Naalakkersuisut to permanently shift the Greenlandic time zone to UTC−03:00, citing the strain it put on children's health.