People are our greatest differentiator, directly contributing to the development of our companies. We are the sum of more than 25,000 committed and dedicated individuals who take pride in their work and are always at the service of our customers. With a strong culture, we foster an attractive and engaging environment, investing in benefits and providing development programs—extended even to employees’ families. **Responsibilities and Duties** Operate and perform filling with oxygen, nitrogen, and argon; Control weighing, complete pre- and post-filling documentation, request analyses, and request certificates (for customers); Perform trailer cleaning (inerting); Communicate with scheduling and control room personnel; Suggest improvements to departmental activities. Alert supervisors/responsible parties upon observing any non-conformities. Work in accordance with the Integrated Management System and Occupational Safety standards. **Requirements and Qualifications** * Prior experience with chemical product filling is desirable. * Familiarity with NR 20 (Regulatory Standard for Flammable Liquids and Fuels) is desirable. * Completion of high school education is desirable. * Must reside within easy commuting distance of Jacareí. **Additional Information** Thank you for your interest in joining Simpar Group. Some of our selection processes are currently conducted remotely, reflecting our commitment to the safety and well-being of our customers and employees. Others are held in person, always adhering strictly to all preventive safety measures. We wish you good health, safety, and well-being. We are Simpar Group! And every day, we deliver dreams. At JSL, we believe our people make the difference and help us deliver the best for our customers. Here, we work with **Simplicity**, adopting a straightforward, uncomplicated approach! With **69 years of history**, we have become the Brazilian company with the **broadest portfolio of logistics services**. Our operations extend far beyond cargo transportation—we provide comprehensive solutions. Our people act with an **owner’s mindset**, delivering results and contributing to the sustainable growth of our business. If you seek growth in a dynamic, innovative, and opportunity-rich environment, **join our team!** **Explore our job openings and discover how your career can advance with JSL!** \#PeopleWhoMakeADifference \#JoinJSL \#WorkWithUs