Air Commodore Rajinth Jayawardena joined to the General Sir John Kotelawala Defence Academy in November 1992 as a cadet officer. After successful completion of the academics and military training he was graduated with degree of BA (Defence Studies) and was commissioned as a Pilot Officer in the Administrative Branch of Sri Lanka Air Force in December 1994.
Subsequently, he has followed Junior Command Staff College course at Sri Lanka and Coimbatore India in 2004 and successfully completed psc (Passed Staff College) at Defence Services Command and Staff College Sri Lanka. He possesses a Master of Defence Studies conferred by University of Kelaniya and Master of Science (Defence Studies) in Management at General Sir John Kotelawala Defence University, Sri Lanka. In 2022, he followed ndc at prestigious National Defence College Dhaka Bangladesh and also recipient of Master of Social Science in Security and Development from Bangladesh University of professionals.
He has held various key appointments in Command, training and Staff and some of important among them are the appointment of Officer Commanding Personnel Services to three main Air Bases Chinabay, Vauniya and Anuradhapura, performed duties as Directing Staff Admin and Senior Instructor at Junior Command and Staff College. He also performed instructor duties at Defence Services Command and Staff College Sri Lanka as Directing Staff. He performed duties at Air Force Headquarters as Staff Officer Admin, Acting Air Secretary to the Commander of the Air Force, Commanding Officer at Air Force Station Weerawila and Commanding Officer Volunteer Air Force Headquarters and finally he served in the capacity of Director Personnel Administration and Commanding Officer of Women’s Wing prior to assuming Rector at this campus.
Further, he was awarded with USP and represented Sri Lanka Air Force for Golf, Tennis and Squash in the capacity of player and official.