Dr. Jojiemar is currently a Master Teacher II at Tanauan City Integrated High School. He handles senior high school mathematics and research subjects. His creativity, resourcefulness, and innovativeness made improvements to help the students during the time of distance learning. For the school year 2021-2022, he crafted 19 instructional videos for General Mathematics, 18 for Basic Calculus, and 12 for Pre-Calculus. He also created worksheets as supplementary and intervention learning materials.

He served as a resource learning provider on INSETs about test construction, data analysis and interpretation of results, and integration of ICT in teaching mathematics. He also served as a learning facilitator in the regional workshop on integrating ICT in Mathematics Education for senior high school teachers, item validator in the development of the PISA readiness toolkit conducted by the DepEd Central Office and item writer in the development of Learning Assurance for Monitoring and Progress (LAMP) conducted by the DepEd CALABARZON through the CLMD. He is packaged into a demonstration teacher, learning resource provider and participant on training and conferences, opportunities for him to share knowledge and skills to fellow teachers.