Chief of Staff of Sri Lanka Navy,[2] Deputy Area Commander Northern Naval Area Deputy Area Commander Western Naval Area Commander Southern Naval Area Commander Eastern Naval Area
After completing his education, he joined the Sri Lanka Navy on 1 August 1971. During his career in the Navy he served as the Deputy Commander, Western Naval Area (1993–1995); Deputy Commander, Northern Naval Area (1995–1996); Commander, Southern Naval Area (1996–1998); Commander, Eastern Naval Area (1998–2000); Commander, Northern Naval Area (2000–2001). From 2001 to 2005 he functioned as the Chief of Staff of the Sri Lanka Navy. He retired from the service in 2005 with the rank of Rear Admiral, when he was overlooked for the position of the Commander of the Navy by then president Chandrika Kumaratunga.[3] In 2019 President Maithripala Sirisena corrected the injustice that occurred to him in 2005, by bestowing him with the rank of Vice Admiral from the date of retirement.
Political career
Wijewickrama was appointed Governor of North Eastern Province on 21 January 2006, by PresidentMahinda Rajapaksa. With the de-merger of the two Provinces, he was appointed the Governor of the Eastern Province in December 2006, the appointment he held till the election defeat of President Rajapaksa in 2015. He was appointed co-chair of the District Development Committees (DDC) for Ampare, Batticaloa and Trincomalee.[4] He was an active member of Viyathmaga a professional organisation that supported President Gotabaya Rajapaksa's presidential campaign in 2019. He was appointed Sri Lankan High Commissioner to Pakistan from June 2020 to June 2023.