Zaghloul joined NMDC in 1998 and assumed his current position in 2009. The group comprises five business units: NMDC Dredging & Marine, NMDC Energy, NMDC Infra, NMDC Engineering, and NMDC LTS. In June 2025, NMDC LTS acquired a 70% stake in Emdad. By September 2025, the group and ADNOC L&S signed a three-year agreement to explore joint opportunities in providing maritime services for offshore projects. In H1 2025, NMDC total assets amounted to $10 billion and reported revenues of $3.6 billion. Zaghloul is also a member of the Brussels-based World Organization of Marine Construction and Dredging.