Sitara Noor worked as a Senior Researcher at the Centre for Aerospace & Security Studies (CASS), Islamabad, Pakistan (2019-2022). Previously, Noor was a Research Fellow at the Vienna Centre for Disarmament and Non-Proliferation (VCDNP) in Vienna, Austria (2016-17). She also worked at the Pakistan Nuclear Regulatory Authority as an International Relations Analyst (2008-15). She was an adjunct faculty at the National University of Modern Languages, the National University of Science and Technology (NUST), Quaid-i-Azam University, the Foreign Services Academy of Pakistan, and the Information Services Academy of Pakistan.

She was also a South Asian Voices Visiting Fellow at the Stimson Centre, Washington, D.C. (2019-20), Visiting Fellow at Sandia National labs (2019 & 2013) and James Martin Center for Nonproliferation, Monterey, California (2013). She is serving as the Country Coordinator for the University of Gothenburg project “Variety of Democracy” since 2012. She regularly writes on nuclear and security issues at various national and international platforms including Aljazeera, The News, The National Interest, The Diplomat, South Asian Voices/ Stimson Center among others