1974-1975
General Hospital Johor Bahru, Malaysia
Known as Sultanah Aminah Hospital
House Surgeons – Medicine / Surgery
1975-1976
Ipoh General Hospital, Malaysia
Medical Officer – Surgery
1976-1978
Regimental Medical Officer
3rd Rangers
4th Royal Malay Regiment
2nd Brigade Ipoh
1979-1980
Horton General Hospital, Banbury, UK
Senior House Officer – Trauma and Orthopaedic / General Surgery
1980-1981
West Norwich General Hospital, UK
General Surgery cum Vascular
Junior Registrar
1982
General Hospital Kuala Lumpur
Clinical Specialist
1982-1988
94/95 Armed Forces Hospitals
Terendak Garrison, Melaka and Kinrara Camp, Puchong, Kuala Lumpur
From 1995 until present, Datuk Senasi contributed to the growth of Putra Hospital, Malacca being one of the architects and pioneers of the hospital. Datuk Senasi is also a robotic surgeon, using the Freehand Robotic solution and did the first Freehand laparoscopic cholecystectomy in Malaysia and South East Asia in 2022.