Job Summary: A leading company is seeking an Administrative Assistant with high responsibility and integrity to develop within a dynamic work environment, handling administrative activities with excellence. Key Highlights: 1. Dynamic work environment and growth opportunities 2. Professional development with best practices 3. Requires high responsibility and integrity A market-leading company in the energy sector, with a solid track record. Offers a dynamic work environment and growth opportunities for its employees. Currently seeking candidates with a **high degree of responsibility** and **integrity**, **committed and aligned with company policies and procedures**, to develop within the organization using best practices as an **Administrative Assistant**, with the following qualifications: * Education: Bachelor’s degree in Administration or related field (degree holder) * Experience: 6 months to 1 year in administrative functions * Valid documentation **Key Responsibilities:** * Preparation and issuance of daily general reports **(Intermediate Excel and Word)** * File management * Data analysis and entry * Calendar management * In-person and telephone customer service * General administrative tasks * Entry and invoicing of delivery notes **Other Requirements:** * Proficient use of Microsoft Office, Excel (formulas, tools, functions, etc.), Word, and Drive * Reading comprehension * **Willingness and ability to travel regularly to three different fueling centers (Chiconautla, Villa Nicolás Romero, Tultepec)** **Compensation and Additional Benefits:** * Base salary at 100% nominal value * Direct employment with the company * Statutory benefits (Social Security, Christmas bonus, vacation premium, etc.) * Grocery vouchers * Savings fund **Working Hours:** Monday to Friday, 09:00–18:00 hrs; Saturday, 09:00–13:30 hrs **Location:** Villa Nicolás Romero Plant, 20 minutes from Town Center, Libertad neighborhood At Empresas Nieto and its “subsidiaries”, we strive to promote conditions that foster equal opportunity and non-discriminatory treatment, valuing diversity and inclusion in all forms. “Participation in recruitment, evaluation, selection, and hiring processes is completely free of charge. Should anyone request monetary deposits or other compensation for participation in such processes, please disregard the request and report it immediately. Employment Type: Indefinite-term position Salary: Up to $15,380.00 per month Benefits: * Grocery vouchers Workplace: On-site employment