Job Responsibilities: Manage and oversee client contracts, ensuring proper execution of agreed processes and compliance with deadlines and contractual terms. Act as the main interface with clients and suppliers, ensuring alignment of information and maintaining high-quality relationships. Manage contractual and commercial issues, proposing solutions and leading negotiations to resolve deviations. Handle client collections, monitoring outstanding items and working closely to ensure timely payment regularization. Receive and review supplier documents (e.g., invoices), ensuring compliance with contracts and purchase orders. Process and track payment requests in internal systems, ensuring proper workflow through to completion. Work closely with the finance team to ensure payments are processed within agreed timelines. Manage the registration and maintenance of clients and suppliers in the ERP system (IBOSS), ensuring data accuracy and integrity. Prepare, review, and control operational documents such as COF (Contract Order Form) and VOF (Vendor Order Form). Coordinate with internal teams (finance, sales, solutions, and operations) to ensure proper information flow and adherence to deadlines. Monitor project timelines and status, ensuring clear and proactive communication with clients and stakeholders. Support the commercial team in structuring solutions and engaging with clients, contributing to opportunity development and closure. Collaborate closely with internal teams to ensure full understanding of projects and efficient execution. Identify opportunities for process improvement and propose actions to enhance efficiency and quality. Act with autonomy in managing activities and serve as a reference for contract operations topics. Job Requirements: Bachelor's degree. Relevant experience in operational, administrative, or commercial support roles. Experience in contract management and monitoring. Experience interfacing with clients and suppliers, with strong communication and negotiation skills. Experience with operational processes related to billing, collections, or payment flows. Knowledge of ERP systems and proficiency in Microsoft Excel (intermediate level). Organized and analytical profile, with autonomy to manage tasks and solve problems. Advanced to fluent English, with the ability to communicate in a corporate environment. Availability to travel as required by the company.