• Senior Assistant Librarian (Gr. I), KDU from October 2022 
• Senior Assistant Librarian (Gr. II), KDU, up to October 2016.
• Assistant Librarian, KDU, up to October 2011
• Assistant Librarian, Uva Wellassa University, March 2019- September 2011
• Assistant Lecturer, Dept. of Library & Information Science, University of Kelaniya   January 2008 - January 2009            
• Visiting Lecturer (DIPLIS part I), Badulla Centre, Sri Lanka Library Association, March 2009 – March 2011
• Assistant Librarian, Gateway International College, Rajagiriya August 2007 - December 2007

• Library & Information Science -BA (Genera) Degree & BA (Special) Degree, University of Kelaniya, Sri Lanka, 2008-2009
  • Organization of Knowledge: Classification
  • Organization of Knowledge: Cataloguing
  • Collection Development and User Services
  • Information Science, Services and Sources
• Diploma in Library & Information Science, University of Kelaniya, Sri Lanka 2008-2009
  • Classification Theory and Practice
  • Cataloguing Theory and Practice
  • Reference Sources and Service
• Diploma in Library & Information Science (DIPLIS- part I), Sri Lanka Library Association, 2009-2011
  • Organization of Information – Classification 
  • Organization of Information – Cataloguing
• Information Literacy Lectures, Kotelawala Defence University

Courses

• BSc in Civil Engineering
• BSc in Management & Technical Sciences
• BSc in Logistics Management
• BSc in Social Sciences
• LLB
• MBBS
• MBA in Logistics Management
• Defence Service Command & Staff College (DSCSC) officers for their Research   Methodology module, KDU

Topics

• Different types of Information Sources
• Electronic Information Searching Techniques: a guide to effective literature search
• Using Evidence in Academic Writing: avoiding plagiarism
• Managing References with Reference Management Software
• Research Ethics & Plagiarism 
• Conducting a Literature Review

Full papers in Conferences / Symposia

• Ranawella, T.C. and Rajapaksha, M.P., 2017. Use and user satisfaction with library services and resources at the main library of the General Sir John Kotelawala Defence University, Sri Lanka. Journal of the University Librarians Association of Sri Lanka, 20 (2), pp. 28–45. DOI: http://doi.org/10.4038/jula.v20i2.7899
• Rajapaksha, M. P. (2022), Research visualization of post – COVID publications: Bibliometric analysis of PubMed database, 12^th International Conference of University Librarians Association of Sri Lanka (ICULA 2022), Colombo, Sri Lanka, p74-83 http://ir.kdu.ac.lk/handle/345/7284 
• Rajapaksha, M. P. (2019), Developing an Academic Institutional Repository: A Case at the General Sir John Kotelawala Defence University, 3^rd International Conference on Library and Information Management, Kelaniya, Sri Lanka, p227-235 http://ir.kdu.ac.lk/handle/345/7285 
• Rajapaksha, M.P. (2018), A bibliometric analysis of scholarly publications on Dengue in PubMed database. International Conference of University Librarians Association of Sri Lanka (ICULA 2018), Colombo, Sri Lanka, p81-95 http://ir.kdu.ac.lk/handle/345/7147 
• Rajapaksha, M.P., Alagaratnam, V. (2017), Awareness of Information Retrieval in Online Environment: A Study on Newcomers to the Faculty of Engineering of General Sir John Kotelawala Defence University, National Conference of University Librarians Association of Sri Lanka (NACULA-2017), Colombo, Sri Lanka, p56-69 http://ir.kdu.ac.lk/handle/345/1858 
• Rajapaksha, M.P., (2016) Electronic Information Resources Utilization by Medical Students in General Sir John Kotelawala Defence University Library, Faculty of Medicine, 1^st International Conference on Library and Information Management (ICLIM - 2016), Kelaniya, Sri Lanka, p293-311. http://ir.kdu.ac.lk/handle/345/1860 
• Ranawella, T.C., Kanchana, UD Hiruni and Rajapaksha, M. P., (2014), Information sources used by postgraduate students in General Sir John Kotelawala Defence University: A citation analysis of theses. NILIS Research Symposium, National Institute of Library & Information Science, Colombo, Sri Lanka, p55-61 http://ir.kdu.ac.lk/handle/345/1849 

Presentation at conference, published in abstract form

• Rajapaksha, M.P., (2024), Awareness and Perceptions of Artificial Intelligence among Librarians in University Libraries in Sri Lanka, 5^th International Conference on Intelligent Libraries (LISACON 2024), Bharathidasan University, Tiruchirappalli, India, pp. 151-156 http://ir.kdu.ac.lk/handle/345/8319
• Rajapaksha, M.P., Empowering Education in Challenging Times: Unveiling the Virtual Reading Room Initiative at General Sir John Kotelawala Defence University Library through Open Access Resources, 3rd International Conference on Library and Information Management (ICLIM- 2023), Kelaniya, Sri Lanka, 2023, p186-195 http://ir.kdu.ac.lk/handle/345/7287
• Seneviratne, W., Peiris, Milinda, Rajapaksha, M.P., Ranawella, T.C., Kanchana, UDH., Empowering Education in Challenging Times: Unveiling the Virtual Reading Room Initiative at General Sir John Kotelawala Defence University Library through Open Access Resources, 3rd International Conference on Library and Information Management (ICLIM- 2023), Kelaniya, Sri Lanka, 2023, p186-195 http://ir.kdu.ac.lk/handle/345/7287
• Rajapaksha, M.P., Kanchana, U.D.H., Utilization of Databases at General Sir John Kotelawala Defence University: A study, 1^st Virtual International Conference on Library and Information Science (VICLIS 2021), Sri Lanka. http://ir.kdu.ac.lk/handle/345/5377 
• Rajapaksha, M.P., The role of the Academic Librarians in combating plagiarism: A study based on the University Libraries in Sri Lanka, 2^nd Asia International Conference on Multidisciplinary Research (AIMR2020), Colombo, Sri Lanka, 2020, p17 http://ir.kdu.ac.lk/handle/345/7286
• Rajapaksha, M.P. and Ranawella, T.C., A survey on the use and users’ satisfaction in library resources and services: a case study at the Faculty of Engineering and Social Sciences, Sir John Kotelawala Defence University, 11^th National Conference in Library and Information Science, Colombo, Sri Lanka,2014, p28 
• Rajapaksha, M.P., A study on the use of internet by academic staff of the Uva Wellassa University, 12^th Annual Research Symposium, Faculty of Graduate Studies, Kelaniya, Sri Lanka, 2011, p130 http://repository.kln.ac.lk/handle/123456789/8081
• Rajapaksha, M.P., The role of Ayurveda institutional libraries with regard to the fulfillment of discipline subject related Information needs of Ayurveda Medical Undergraduates in Sri Lanka, International Conference on Social Sciences Sri Lanka, Kelaniya, Sri Lanka, 2008, p256 http://repository.kln.ac.lk/handle/123456789/6840
• Abeysinghe, A.H.M.S.N. and Rajapaksha, M.P., (2008), The changing patterns in the role of women in the field of Agriculture of rural Sri Lanka, 2nd Annual Research Forum, Peradeniya, Sri Lanka, p19 
• Rajapaksha, M.P., (2008), The contribution of the school librarian towards information literacy among school students- with special reference to selected national schools in the Gampaha district, 9th Annual Research Symposium, Kelaniya, Sri Lanka, p90 http://ir.kdu.ac.lk/handle/345/1864
• Abeysinghe, A.H.M.S.N. and Rajapaksha, M.P., (2008), The changing patterns in the role of women in the field of Agriculture of rural Sri Lanka, 2nd Annual Research Forum, Peradeniya, Sri Lanka, p19 
• Rajapaksha, M.P., (2008), The contribution of the school librarian towards information literacy among school students- with special reference to selected national schools in the Gampaha district, 9th Annual Research Symposium, Kelaniya, Sri Lanka, p90 http://ir.kdu.ac.lk/handle/345/1864

Any other publications

• Rajapaksha, M.P. (2024, April-June). Do artificial Intelligence Replace the Librarians Role? Sri Lanka Library Association Newsletter, Vol. 40 (4), pp. 3-7.      
• රාජපක්ෂ එම් පී (2012) පාඨක එළඹුමක් වශයෙන් කතෘ සංකල්පයේ විකාශය සංස්කරණය පියදාස රණසිංහමහාචාර්ය ජයසිරි ලංකාගේ අභිනන්දන ග‍්‍රන්ථය කොළඹ ගොඩගේ පිටු 359-369, ISBN 978-955-30-3779-

• Information needs
• Medical Librarianship
• Digital Literacy
• Bibliometrics
• User studies

Editorial Contribution

• Co-editor, KDU Newsletter, Issue 10, December 2023
• Member of the Editorial Committee, International Conference of University Librarians Association (ICULA), Sri Lanka, 2019.
• Member of the Editorial board, KDU Library News (e-Newsletter), The Library, General Sir John Kotelawala Defence University, Issue 2, May 2018 and Issue 3, January 2019

Different positions and coordination

• Within the University
• Cover-up duties for the post of Librarian, KDU (01.04.2022 – 30.06.2022)
• Overlook duties for the post of Acting Librarian, KDU (2019) 
• Chairperson, Library Quality Assurance Cell, KDU (2021-2024)
• Assistant Ladies Welfare Officer, General Sir John Kotelawala Defence University, Sri Lanka, 2015 up to date

Outside the University

• Session Writer, Bachelor of Arts (Hons) in Library and Information Studies program at OUSL, 2024-2025 
• External Mentor, Department of Library & Information Science, University of Kelaniya, 2021,2022
• Member of the Review Committee, International Research Conference of Uva Wellassa University (IRCUWU2024), Sri Lanka, 2024
• Member of the review panel, International Conference on Library & Information Science (ICLIS-2023), “Libraries as Catalysts for Transformation: Resilient Nations for a Better World” (2023)
• Member of the review panel, Virtual International Conference on Library & Information Science (VICLIS-2022), “Libraries as Drivers for Achieving Sustainable Development Goals” (2022)
• Rapporteur, International Conference of the University Librarians Association, Sri Lanka, 2023
• National coordinator, Virtual International Conference on Library and Information Science – VICLIS 2021
• Assistant Secretary, University Librarians Association, Sri Lanka, 2020-2021
• Vice-president, University Librarians Association, Sri Lanka, 2018-2019
• Committee Member, Academic Librarians Group, Sri Lanka Library Association, 2021-2022
• Academic Sub Warden, Uva Wellassa University, Sri Lanka, 2007, July – 2011, June
• In-charge of the activities of Affiliated Colleges, KDU Library (2024-2025)  
• Coordinator, Institutional Repository, KDU 
•  Coordinator, KDU Library website
• Assistant Ladies Welfare Officer, KDU, from 2015 up to date
• Committee member, Academic Librarians group, Sri Lanka Library Association (2021/2022)
• Conference Co-secretary, International Conference of the University Librarians Association, Sri Lanka, 2021
• Assistant Secretary, University Librarians Association, 2020-2021
• Executive Committee Member of the University Librarian Association (ULA) in Sri Lanka (2019/2020)
• Vice-president, University Librarians Association, 2018-2019
• Academic Sub Warden, Uva Wellassa University, 2007, July – 2011, June
• Re-organizing coordinator, Sri Lanka Association of Scientific Studies (SLASS) Library, 2008 
• Member of organizing subcommittee, International Conference on Social Sciences, ICSSL, Research Center for Social Science, Faculty of Social Sciences, University of Kelaniya, 2008