Job Summary: We are seeking a proactive Administrative Assistant to provide administrative and financial support, ensuring proper control over billing, accounts, and inventory. Key Highlights: 1. Short- and medium-term growth opportunity 2. Ongoing training 3. Job stability At **TECOMNET**, we are looking for a proactive individual with an excellent attitude to join our team as an **Administrative Assistant**. **Objective:** Provide administrative and financial support to company operations, ensuring appropriate control over billing, accounts receivable, accounts payable, and SIM/equipment inventory—guaranteeing order, traceability, and internal control. Location: Polanco V Section, Mexico City ✅ Required Profile **Education:** * Technical degree or Bachelor’s degree (completed or incomplete) in Administration, Accounting, or related field. **Experience:** * 1–3 years in administrative roles. * Electronic invoicing (CFDI). * Management of accounts receivable and accounts payable. * Inventory control (preferred). * Intermediate Excel skills. * Document control. **Key Competencies** * High level of organization * Attention to detail * Responsibility and discipline * Honesty and integrity * Analytical ability * Monitoring and control * Time management * Effective communication * Results-oriented mindset * Administrative order **General Administrative Control** * Support in bank reconciliations. * Preparation of administrative reports. * Contract control with clients and suppliers. * Tracking of service orders. * Control of operational expenses. * Preparation of information for accounting. * Petty cash control (where applicable). * Document digitization and archiving. **Billing** * Issuance of electronic invoices (CFDI). * Validation of service orders prior to invoicing. * Tracking of payment complements. * Digital control of issued CFDIs. * Monthly reconciliation of billing vs. income. **Accounts Receivable** * Control and tracking of customer portfolio. * Aging balance reports. * Preventive collections management. * Payment application in system. * Tracking of credit notes. **Accounts Payable** * Receipt and validation of supplier invoices. * Scheduling and control of payments. * Reconciliations with suppliers. * Due date control. * Document archiving. **Inventory Control (SIMs and Equipment)** * Recording of SIM card inflows and outflows. * Equipment inventory control (modems, routers, chips). * Physical vs. system reconciliation. * Assignment of SIM cards to customers. * Minimum inventory and replenishment point reporting. * Support in internal inventory audits. We Offer * **Gross monthly salary of $12,000 to $16,000** (based on experience) * Short- and medium-term growth opportunity * Ongoing training * Job stability * Opportunity to participate in a growing company If you meet the requirements and are interested, please apply through this channel or send your PDF CV to **(s.hernandez@tecomnet.mx)** Position Type: Full-time Salary: $12,000.00 – $16,000.00 per month Education: * Completed high school (Preferred) Experience: * Office: 1 year (Preferred) Language: * English (Preferred) Work Location: On-site employment