Oscar is a Research Associate in translatomics. He was employed as a Research Assistant at the Department of Biochemistry and Cell Biology in University College Cork. His work was on mRNA translation, ribosome-associated protein quality control and N-terminal extension non-AUG initiation through in vitro model and tissue cultures. He completed MSc in Molecular Cell Biology with Bioinnovation and researched on ribosome stalling involving mRNA truncation and poly(A) sequence. Oscar completed Professional Certificate in Neuroscience at Harvard University.

In 2017, Oscar worked on environmental management including Asia-Pacific Economic Cooperation (APEC) green port project and air emission control at Optimal Systems Engineering, Malaysia. He then gained experiences on Active Pharmaceutical Ingredient (API) production, R&D on continuous processing and crystallisation, and safety practice at Pfizer API, Ireland. Oscar was a research assistant in the School of Pharmacy at University College Cork on sphingosine-1-phosphate (S1P) signalling and sphingosine kinase 1 (SPK1), atherosclerosis and bone-cell repairs. Oscar was also a member of the IChemE COVID-19 response team.

Oscar is a lean six sigma black belt-certified personnel and had led UNICEF-sponsored projects. He was one of the world's youngest lean six sigma black belt holders. Today, he is also a committee member at International Society for Pharmaceutical Engineering (ISPE) Young Professionals.