Sajjan ya fara aikinsa na shekaru 11 a matsayin jami'in 'yan sanda na Vancouver bayan ya dawo daga aikinsa na Bosnia. Ya ƙare aikinsa a ofishin' yan sanda na Vancouver a matsayin mai bincike tare da sashen laifukan' yan bindiga da ke da ƙwarewa a cikin fataucin miyagun ƙwayoyi da bincike kan aikata laifuka. Sajjan na farko da aka tura zuwa Afghanistan ya kasance jim kaɗan kafin farawar Operation Medusa a shekara ta 2006, lokacin da ya bar aikinsa a ofishin 'yan bindiga na Vancouver ba tare da wata kungiya ba. Daga baya ya tashi zuwa mukamin Laftanar-Colonel. An tura shi sau hudu a ƙasashen waje a yayin aikinsa: sau ɗaya zuwa Bosnia da Herzegovina, da sau uku zuwa Afghanistan. Sajjan ya ji rauni a lokacin aikinsa a Bosnia. Sajjan ya fara aikinsa na shekaru 11 a matsayin jami'in 'yan sanda na Vancouver bayan ya dawo daga aikinsa na Bosnia.
sashen 'yan sanda na Vancouver