Sumangil was a
production assistant and researcher of
ABS-CBN News and Current Affairs for three years, before moving to
GMA Network in 2004 as a writer and producer of
GMA Public Affairs programs' segments. He eventually reassigned to a field journalist covering criminal activities
exclusively, drawing inspiration from then-
GMA Integrated News reporter Michael Fajatin.
News TV Quick Response Team, a newscast in which an anchor was "on-the-scene" within the present-day events, marked Sumangil's first anchoring stint in 2018. With his blessing, he replaced
Jiggy Manicad, who left the network to
run for senator in 2019. Sumangil co-hosted the magazine program from 2021 to 2023, alongside
Kim Atienza and
Patricia Tumulak. Program manager Mon Torres assigned Sumangil after
News TV Quick Response Team was ended due to
GMA News TV's programming changes caused by the
COVID-19 pandemic. Drawing from his music hobby, as well as given his traditional occupation, Sumangil stated that he had a unique persona for the program. In May 2023, Sumangil hosted the investigative public service show . As his first solo program, it focuses on giving a resolution of community problems in the Philippines. Sumangil had doubts about becoming a successor to broadcaster
Mike Enriquez. He joined as a regular anchor in November 2023. and thought that this could prepare him for an opportunity to pursue it permanently. He accepted the offer after having newscasting lessons. Sumangil described his position on as an aspiration during his early career. ==Personal life==