We are looking for a highly organized, proactive, and detail-oriented Office Manager to supervise daily office operations and ensure that all administrative activities run efficiently. The ideal candidate will serve as the central point of contact for employees, suppliers, and visitors, guaranteeing a functional, orderly, and professional work environment. This role requires strong coordination, communication, problem-solving skills, and the ability to prioritize tasks effectively in a dynamic setting **Responsibilities:** * Administer and reconcile supplier and customer account statements, ensuring accuracy in balances, timely follow-up on payments and collections, and smooth communication with all involved parties. * Record and update the company's accounting entries, ensuring information is complete, well-organized, and compliant with current accounting and tax regulations. * Monitor collection processes, including sending reminders, coordinating payments, negotiating due dates, and recording incoming payments. * Manage invoicing accurately and punctually, verifying data, amounts, descriptions, and compliance with tax requirements. * Prepare and submit reports to regulatory authorities, ensuring information is correct and delivered within established deadlines. * Oversee the calculation and fulfillment of tax obligations and payments, coordinating with external accounting advisors when necessary. * Lead overall accounting management, maintaining proper safeguards, document organization, and auditable processes for the company. * Control and monitor operational expenses, preparing periodic reports to analyze areas for improvement and optimization. * Generate executive reports for senior management and shareholders, presenting clear, structured information aimed at supporting decision-making. * Manage banking transactions, reconciliations, opening/closing accounts, and relationships with financial institutions. * Manage and keep updated the administrative/operational system platform (Nexus), ensuring accurate data entry and proper usage by internal users. * Supervise daily operations, ensuring compliance with internal procedures and early detection of deviations. * Coordinate logistics activities, including scheduling deliveries, tracking shipments, communicating with carriers, and resolving incidents. * Identify opportunities for operational optimization, proposing improvements in administrative, operational, and internal communication processes. * Supervise and coordinate administrative staff, assigning tasks, monitoring performance, and ensuring an organized work environment. * Prepare periodic performance, results, and operations reports for management, integrating financial, operational, and administrative information. Requirements * Strong organizational abilities, with the capacity to structure information, manage multiple concurrent processes, and ensure all tasks follow an orderly and efficient workflow. * Leadership skills focused on coordinating administrative teams, making informed decisions, guiding processes, and fostering a collaborative and productive work environment. * Excellent time management, prioritizing critical activities, managing deadlines, and ensuring timely completion of reports, payments, deliveries, and internal requirements. * Ability to strategically delegate tasks, assigning responsibilities based on team members' skills and following up to ensure high-quality outcomes. * Solid knowledge of accounting, including record-keeping, financial reporting, expense control, and understanding of tax obligations. * Knowledge of logistics, route management, coordination with carriers, shipment tracking, and resolution of operational issues. * Understanding of operational processes, identifying improvement opportunities and ensuring daily operational tasks are executed efficiently and in accordance with established procedures. * Ability to interact with clients and suppliers, demonstrating clear, professional communication aimed at building trust and resolving needs or issues. * Advanced English proficiency, capable of verbal and written communication with international clients, suppliers, and shareholders, as well as understanding corporate documentation. * Knowledge of the energy industry, including its dynamics, regulations, key players, and specific operational, accounting, or regulatory aspects.