Job Description: At Experis Argentina, we are looking for a Core Network Technical Engineer to work at a Telecommunications company Work location: Retiro CABA 100% On-site Advanced English required **Responsibilities** * Act as a core network product technical engineer, being responsible for the installation, commissioning, integration, and verification testing of core network equipment. * Provide daily technical support to clients, resolving incidents and technical issues. * Execute device commissioning on live networks and perform configuration changes according to client internal processes. * Stay updated on new products and core network technologies within Cloud client environments. * Perform software upgrades, patch applications, and configuration changes on commercial network products, according to client requirements or internal needs. **Requirements** * Solid knowledge of mobile voice services 2G/3G/4G, understanding service flows MSS/VoLTE/VoBB/EPC. * Knowledge of data services and processes 2G/3G/4G/5G. * Production experience with MME/SGSN/HLR. * More than 5 years of experience in similar roles. * Proactive attitude, continuous learning ability, and adaptability to new technologies. **We Offer** Direct hiring and job stability. Opportunity for growth in regional projects. Constant training and work with cutting-edge technologies. Excellent work environment.