As an effort to shorten supply chain and improve the efficiency, effectiveness, and transparency of the procurement process, Indonesian government created a public procurementplan information system (SIRUP) as a part of e-Procurement used by government institutions in Indonesia. This research was conducted to analyze the determinant factors of SIRUP implementation in Indonesia and its impact to procurementpersonnelperformance by usingmodifiedresearch modelfromDeLone &McLean theory, Task Technology Fit (TTF) and Technology Acceptance Model (TAM). The research modelwas tested usingPartialLeastSquare Structural Equation Modeling (PLS-SEM) approach with SmartPLS 3.0 software. The resulto fthis research with 239 respondents shows that system quality, information quality, service quality, usage, user satisfaction, subjective norm, task characteristic andtask technology fit become factors influencing SIRUP implementation toward procurementpersonnelperformance. However, only task technology fit and user satisfaction dominantly affect the performance of procurementpersonnel. In the end, this research couldbe afeedback to Policy Institute for Procurement of Goods/Services (LKPP) as a main stakeholder of SIRUP in order to improve their system and service quality.