CareerPlan

E2E Solution Architect

Singapore,Singapore,SingaporeFull-time2026-07-14 → 2026-11-10
Based in Singapore

Core

Lead the end-to-end design and technical execution of migrating a live Ericsson Dual Mode Core network (5G SA and 4G EPC) from a 2-site NFVi deployment to a resilient, cloud-native 3-site CNIS architecture for Singtel.

Role type

Senior E2E Solution Architect (Telecom Core & Cloud)

Builds

Cloud-native 3-site CNIS architecture, Kubernetes clusters, CNF onboarding, and automated CI/CD pipelines.

Domain

Telecom Core Networks, 5G/4G, Cloud Native Infrastructure

Required skills

5G SA Core architecture, 4G EPC architecture, Ericsson CNIS/CCD/CEE, Kubernetes, Cloud Native Functions (CNFs), CI/CD pipeline design, GitOps, Infrastructure-as-Code (Terraform, Ansible), IP Networking, Service Mesh concepts, Monitoring and Observability.

Preferred skills

Executive presentation skills, Customer-facing advisory experience, Large-scale operator transformation program leadership.

Technologies

Ericsson 5G SA Core (AMF, SMF, UPF, PCF, NRF, UDM, AUSF, CHF, SCP), Ericsson 4G EPC (MME, SGW, PGW, PCRF, HSS, OCS), OpenStack, Helm, ArgoCD, Jenkins, Diameter, HTTP2/SBI.

Responsibilities

Define and govern target-state architecture across 4G/5G Core and Cloud Infrastructure; Drive full migration from NFVi to CNIS including multi-site traffic migration and ISSU strategies; Own governance of Kubernetes cluster design, CNF onboarding, networking, storage, and security; Define software upgrade and lifecycle strategies and govern CI/CD and GitOps frameworks; Chair architecture reviews and conduct risk assessments for major transformations; Engage directly with customer CTO and operations teams to present transformation roadmaps.

Seniority

Senior, hands-on IC with executive advisory responsibilities.