**Job Description / Responsibilities:** \- Attend to customers; \- Prepare commercial proposals; \- Prospect new customers; \- Critically analyze budget requests in accordance with environmental legislation; \- Re-engage inactive customers; \- After-sales support; **Desired Education and Experience:** \- Technical or undergraduate degree in Chemistry or related fields, completed or currently pursued; \- Intermediate Microsoft Office proficiency; \- Intermediate English proficiency; \- Familiarity with ABNT, NBR, and ISO/IEC 17025 standards is desirable; **Working Hours:** Monday to Friday, from 08:00 to 17:48 (with a 1-hour lunch break) **Work Location:** Estácio, RJ. Employment Type: Full-time, CLT (Consolidated Labor Laws) permanent position Salary: R$1,800.00 – R$1,900.00 per month Benefits: * Medical insurance * Dental insurance * Life insurance * Meal allowance * Transportation allowance Education: * Currently pursuing or previously interrupted undergraduate studies (preferred) Experience: * Customer service experience (preferred)