Currently serving as Professor and Head, Department of Community Medicine, Father Muller Medical College, Mangalore., Dr. Sudhir is also a community health physician having served at integrated positive preventive care clinic for PLHIV patients in Davangere as well as FSW clinic, MSM clinic and Orphan and vulnerable child care clinic. He is also currently involved in providing primary and secondary health care services at Ammunje outreach clinic, Jeppu Urban health centre and  Bajpe rural hospital of Father Muller Medical College, Mangalore, India. He is also the National trainer on vaccine and cold chain (T-VaCC) course and National effective vaccine management (EVM) assessor and facilitator for National cold chain vaccine management resource centre, National institute of health and family welfare, Government of India with EVM assessment experience in more than 10 states of India. He is the Member Secretary of Association of public health technologists and Senior instructor for the Emergency care life support (ECLS) course of JeevRaksha, RGUHS involved in training doctors in handling medical emergencies in primary health care. He was actively involved in COVID-19 control activities in Dakshina Kannada district, being a member of COVID-19 surveillance, Rapid response team, Vaccine AEFI and Death audit committee. He also has special interests in research ethics and occupational health.