Job Summary: We are seeking an Accounting Assistant for an accredited environmental laboratory, responsible for service billing, verification of proformas, and management of credit notes, ensuring compliance with the management system policy. Key Responsibilities: 1. Manage service billing and credit notes. 2. Ensure consistency between proformas and billing. 3. Identify administrative risks and opportunities for improvement. ANALYTICAL LABORATORY is an accredited environmental laboratory dedicated to providing environmental monitoring and analytical services for various sectors such as mining, hydrocarbons, industry, fisheries, etc. We are currently seeking an **ACCOUNTING ASSISTANT**. **REQUIREMENTS:** * Student/Graduate/Professional/Technician in Administration, Engineering or related fields. * Minimum 6 months of experience in similar or equivalent positions. * Intermediate level of Microsoft Office proficiency. Resident in areas adjacent to Callao - Bellavista - San Miguel - SMP. **RESPONSIBILITIES:** * 1. Comply with the company’s Management System Policy and other management system guidelines. * Identify administrative risks and opportunities for improvement and report them to the immediate supervisor. * Verify the proper functioning of the billing system. * Issue invoices for all services rendered, in coordination with the commercial department. * Ensure that units and service types indicated in proformas match those billed. * Responsible for issuing customer credit notes. * Verify that all invoices are delivered on the same day. * Receive invoice delivery receipts from drivers at the end of each day. * Archive delivery receipts and issued invoices in sequential order. * Report anomalies or inconsistencies in proformas or service orders to the Head of Administration. * Other duties assigned and inherent to the position. Employment type: Full-time Salary: S/.1,130.00 - S/.1,500.00 per month Workplace: On-site employment