Country: IndonesiaDescription of the Assignment: The Consultant is expected to commence the assignment in August 2026 and conclude in February 2027. The primary objective of the assignment is to provide technical expertise in strengthening Indonesias marine plastic debris monitoring and data management system through the collection, integration, analysis, and reporting of marine debris-related data. The Consultant will support the development of evidence-based analysis, environmental modelling, national reporting, and policy recommendations to enhance marine debris management and contribute to the achievement of Indonesias national waste reduction and marine debris targets. The Consultant will be responsible for contributions to the following technical domains:1) Marine Debris Data Collection, Integration, and Technical Assessment2) Environmental Modelling, Statistical Analysis, and Marine Debris Estimation3) National Reporting, Policy Analysis, and Monitoring Frameworks4) Stakeholder Coordination, Data Validation, and Technical Support5) Technical Reporting and Knowledge ManagementPeriod of assignment/services: 85 working days within 7 months Proposal should be submitted directly in the portal no later than indicated deadline.Any request for clarification must be sent in writing via messaging functionality in the portal. UNDP will respond in writing including an explanation of the query without identifying the source of inquiry.Please indicate whether you intend to submit a bid by creating a draft response without submitting directly in the system. This will enable the system to send notifications in case of amendments of the tender requirements. Should you require further clarifications, kindly communicate using the messaging functionality in the system. Offers must be submitted directly in the system following this link: http://supplier.quantum.partneragencies.org  using the profile you may have in the portal. In case you have never registered before, you can register a profile using the registration link shared via the procurement notice and following the instructions in guides available in UNDP website: https://www.undp.org/procurement/business/resources-for-bidders. Do not create a new profile if you already have one. Use the forgotten password feature in case you do not remember the password or the username from previous registration.