| 2014- | Mandal Jensen Freelance Dynamics NAV Consultant and Developer. |
| 2009-2015 | Aarstiderne A/S (aarstiderne.com - Supplier of organic foods) Lead developer on upgrade from Navision 2.60 to Dynamics NAV 2009. Implementing both classic client and RTC client. |
| 2004-2009 | Done IT ApS Co-founder and CEO. Manager for 12 Dynamics NAV Consultants/Developers Project Manager on a number of Dynamics NAV projects. |
| 2003-2004 | WM-data (now CGI) Dynamics NAV Consultant/Developer. |
| 2002 | Aarstiderne A/S Internal Navision Consultant/Developer |
| 2000-2002 | Aston Naviteam A/S (now Tectura) Navision Consultant/Developer |
| 1998-1999 | Sintas A/S Navision Consultant/Developer |
| 1995-1997 | Danisco Flexible Responsible for maintaining Windows NT and Novell servers. |
| 1993-1995 | Thorsted Maskiner (now Schur International) IT Supporter for 150 Windows og Navision 3.56 users. |
© Mandal Jensen 2023.