Nine or more years of experience in network architecture, engineering, cybersecurity, or network systems design, including large-scale enterprise environments, commercial carrier networks, or related field or other relevant experience. Operate and maintain the Ericsson EPC CUPS stack on CNIS/NFVI: PCC (MME, SGW-C, PGW-C), PCG (SGW-U, PGW-U), CCDM, CCSM, CCPC (PCRF), CCRC, EM, and EDA2.