Job Summary: Core Network Engineer specialized in the design, implementation, operation, and optimization of telecommunications networks, ensuring availability and performance in 4G/LTE and 5G environments. Key Highlights: 1. Design, implementation, and operation of telecommunications networks. 2. Responsible for ensuring service availability, security, and performance. 3. Focus on 4G/LTE and 5G environments. We are a 100% Mexican company with over ten years of expertise in IT and Telecom profiles. With international presence in the USA and throughout LATAM, we aim to attract top talent. Due to our continuous growth, we are expanding our team with the following profile. Core Network Engineer We offer: Monthly salary: $22,000 MXN Bi-weekly payments PL Hybrid work model Work schedule: Monday to Friday Work location: TLALNEPANTLA Engineer specialized in the design, implementation, operation, and optimization of telecommunications core networks, responsible for ensuring the availability, security, and performance of voice, data, and signaling services in 4G/LTE and 5G environments. Academic Background Bachelor’s degree in Telecommunications, Electronics, Systems Engineering, Computer Science, or related field. Desirable: Technical certifications (CCNA/CCNP, 3GPP, LTE, 5G, Linux, Cloud). Professional Experience 3–5 years of experience in Core network operations and support. Experience in 4G/LTE and/or 5G mobile networks. Participation in deployments, migrations, network expansions, or modernization projects. Technical Knowledge 4G and 5G Core architecture (EPC, IMS, 5GC). Signaling protocols: SIP, Diameter, SS7, GTP, SCTP. Platforms: MME, SGW, PGW, HSS, PCRF, AMF, SMF, UPF. Linux/Unix systems. Virtualization and cloud (VMware, OpenStack, Kubernetes – desirable). Network monitoring and troubleshooting. Basic knowledge of network security and high availability. Responsibilities Operate and maintain the core network to ensure high availability. Analyze and resolve network incidents (Level 2 and Level 3). Execute changes, configurations, and optimizations on the Core Network. Support deployment of new services and technologies. Document technical procedures and network diagrams. Coordinate with access, transport, and vendor teams. Soft Skills Analytical and problem-solving skills. Teamwork and effective communication. Results-oriented mindset and commitment to continuous improvement. At Bsystems, no person is discriminated against based on gender, race, or religion. Pregnancy tests and HIV immunodeficiency certificates are strictly prohibited. Job Type: Full-time Salary: $22,000.00 MXN per month Benefits: * Company phone Work Location: On-site employment