Samir won a bronze medal at the Rio 2016 Olympic Games in the 69kg category and became the first Arab woman to ever win an Olympic weightlifting medal. She won the gold medal in the Women's 76kg category at the IWF World Championships in 2022 and 2023, held in Colombia and Saudi Arabia, respectively. She won her third continental senior title at the 2023 African Championships in May 2023. Samir is currently ranked third in the 2023 Annual World Ranking of the IWF for Seniors in the 81kg category.