Candidates must be based in Mexico City and available to attend the client's office. We are looking for an experienced Signaling Network Architect / Expert to support advanced mobile core, IMS, LTE, v EPC, and 5 G Core environments. Key Responsibilities: Network Architecture & Design • Define signaling architecture strategies and roadmaps supporting LTE, IMS, v EPC, and 5 G Core networks. • Design highly available, scalable, and resilient signaling solutions for voice, messaging, data, roaming, and emergency services. • Develop High-Level Designs (HLDs), Low-Level Designs (LLDs), architecture standards, and deployment methodologies. • Lead network transformation initiatives involving virtualization, cloud-native architectures, and next-generation mobile core technologies. • Evaluate and recommend new technologies, products, and architectural enhancements. Signaling Network Expertise • Design and optimize signaling environments supporting SIP, Diameter, Service-Based Interfaces (SBI), S...