Customer Delivery Architect
Core
Principal technical authority leading end-to-end architectural design, validation, and commercial deployment of Cisco's 5G Standalone/Non-Standalone Converged Core and Cloud-Native Network Functions for major Japanese telecommunications carriers.
Role type
Senior IC Customer Delivery Architect (5G Core & Cloud-Native)
Builds
5G SA/NSA Converged Core, Control and User Plane Separation (CUPS) architectures, and Cloud-Native Network Functions (CNF) for tier-1 mobile network operators.
Domain
Telecommunications / 5G Mobile Packet Core / Cloud-Native Infrastructure
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
3GPP protocol mastery (5G SBA, PFCP, GTP-C/U, Diameter, RADIUS, BGP/MPLS), 5G Core architecture (UPF, SMF, AMF, PCF, NRF), Telco Cloud virtualization (Kubernetes, OpenStack, Bare-metal), mission-critical network cutover leadership, client executive advisory
Preferred skills
Cisco Mobility platforms (Ultra Cloud Core, StarOS, ASR 5500), 5G Network Slicing, Private 5G, MEC, IMS/VoNR, Infrastructure automation (Python, Ansible, Terraform)
Technologies
Cisco 5G Core, Kubernetes, OpenStack, Docker, KVM, SR-IOV, DPDK/CNDP, HTTP/2, REST APIs, JSON, PFCP, GTP-C, GTP-U, Diameter, RADIUS, BGP, MPLS
Responsibilities
Lead architecture and integration of 5G SA/NSA Core solutions and CUPS architectures; Architect high-throughput 5G User Plane Functions (UPF) and Service-Based Architecture (SBA) control planes; Define detailed signaling call flows, session management, policy control, and network slicing; Direct lab staging, PoC benchmarks, and migration strategies for carrier cutovers; Partner with telco engineering directors to shape multi-year technology roadmaps; Mentor senior consulting engineers and resolve critical software/protocol roadblocks
Seniority
Senior, hands-on IC with strategic advisory