Kammala wannan jumla: Bayan kammala karatunsa daga kwaleji, Allen ya yi aiki a matsayin Mataimakin Daraktan Ayyuka na Babban Taron Kasa na Demokradiyya na 2008. Daga baya ta shiga kungiyar
Barack Obama ya yi yakin neman zaben shugaban kasa a shekarar 2008 kuma ya yi aiki a lokacin rantsar da shi a shekarar 2009. Allen daga baya ya yi aiki a matsayin Mataimakin Daraktan Sadarwa a Ofishin Mataimakin Shugaban Kasa. Daga 2014 zuwa 2015, ta yi aiki a matsayin Daraktan Harkokin Jama'a da Sadarwar Dabarun Ofishin Harkokin Ilimi da Al'adu.