He worked as a Senior Deputy Inspector General of Sri Lanka Police prior to his appointment as the IGP.
[5] On 26 April 2019 President Maithripala Sirisena ordered Jayasundara to resign over failures that led to the deadly Easter bomb attacks.
Due to a lack of response from Jayasundara, he was put on compulsory leave with Senior DIG C. D. Wickramaratne appointed as the acting Inspector General.
[6] However in a 20-page complaint Jayasundara claimed that there were serious communication gaps between intelligence agencies and security arms of the government, all which fall under Sirisena.
[7] Jayasundara who was arrested along with Hemasiri Fernando, Secretary to the Ministry of Defence for failing prevent the Easter bombings.