Senior C++ Engineer with Core processing experince

EgyBell is hiring C++ Core Processing & 5G Protocol Engineer for a multinational telecommunications company.Requirements:Bachelor’s degree in Computer Science, Engineering, or a related field3–10 Years of ExperienceFluent English communication skills, both written and spokenExcellent working knowledge of 5G Standalone (SA) architecture: AMF, SMF, UPF, AUSF, NRF, PCF, and associated N-interfacesDeep understanding of 5G NAS (N1/N2) signalling procedures: registration, session management, handover, and authenticationStrong familiarity with 3GPP TS specifications (38.xxx, 23.xxx, 29.xxx series) — able to read, interpret, and implement from raw specs, and independently pick up new or emerging 3GPP protocols with minimal hand-holdingExperience with PDU decoding, xDR/CDR generation, and protocol dissection in production systemsAbility to write protocol dissectors or decoders from scratch using 3GPP specs as the primary referenceWorking proficiency in C and Modern C++ (C++14 minimum): able to read, modify, build, and debug C++ services using CMake and Conan, and trace data flows between C++ processing engines and downstream servicesUnit and integration testing with GoogleTest or doctest, including test harnesses that replay captured protocol data to validate decoder correctnessActively uses AI coding assistants (Claude, GitHub Copilot, or equivalent) as part of day-to-day C++ development, including for 3GPP spec interpretation and generating or refactoring protocol codePreferred qualifications:Familiarity with DPDK, pcap, or Napatech SDK for hardware-accelerated packet captureHands-on experience decoding or implementing 5G SA protocols: NGAP (N2), GTPv2-C, and HTTP/2-based Service-Based Interface (SBI)Understanding of 4G/LTE architecture and protocols (S1AP, GTPv1-U, Diameter Gx/Gy) as a baselineAnalytical thinker with strong problem-solving abilitiesStrong ownership and accountabilityCollaborative team player who communicates clearly and effectivelyCommitted to quality, reliability, and continuous improvementSelf-motivated and proactive