Working in the field has many particularities. The responsibility level each member of the team has, the time required in order to adjust in living and working conditions, and the willing of MSF to ensure a continuum in the project, so the communication with beneficiaries and the cooperation with the national staff to be more effective, attach importance to candidate’s availability and commitment. Usually posts in the filed lasts 6 to 9 months, while occasionally and for certain profiles (surgeons, anaesthesiologists and gynaecologists) there are shorter assignments.