- Administrative manager for PluriCourts
- Recruitment and human resources management
- Financial management
Johnsen has a master degree in cultural anthropology from the University of Tromsø, Norway.
Johnsen has worked at the University of Tromsø and she has been a union representative at local and national level for Akademikerne. Her previous tasks includes financial management, project work, web publishing, change management in the public sector and trade union related work.