E2E Solution Architect Singapore,Singapore,Singapore Service Delivery Posted 8 hours ago

Ericsson; Singapore; On-site; SGD 180,000 - 300,000; Full time

Job summary

Ericsson Singapore is seeking an E2E Solution Architect to lead the migration of a live Dual Mode Core network from 2-site NFVi to a 3-site CNIS cloud-native architecture, spanning 4G EPC and 5G SA Core.

You will own end-to-end design, govern architecture, coordinate with customers and engineers, and drive multi-site rollout while ensuring service continuity for Singtel subscribers.

Qualifications

• 12–15+ years in Telecom Core and Cloud domains.
• 5+ years in 5G Core architecture.
• Proven track record in large-scale operator transformation programs.
• Strong executive presentation and customer-facing skills.

Responsibilities

• Define and govern the target-state architecture across 4G EPC, 5G SA Core, Signalling, Charging, Subscriber Data Management, and Cloud Infrastructure.
• Lead the migration from NFVi to CNIS across multi-site deployments, including planning, ISSU, DR, and failover.
• Be the Design Authority for Cloud-Native architectures and CNIS components, including governance of Kubernetes, CNFs, and OpenStack NFVi.
• Define software upgrade and lifecycle strategies, govern CI/CD and GitOps deployment frameworks.

Skills

5G & 4G Core

Ericsson CNIS/Kubernetes

CI/CD / GitOps

Cloud native / NFVi

Executive communication

Tools

Kubernetes

Ansible

Helm

Terraform

ArgoCD

Jenkins

Job description

## E2E Solution ArchitectSingapore,Singapore,SingaporeFind out how well you match with this jobJob ID786036## Join our Team**About This Opportunity** This is one of the most technically ambitious transformation programs in Southeast Asia's telecom landscape — and we need the architect to lead it. As E2E Solution Architect, you'll own the end-to-end design and technical execution of migrating a live Ericsson Dual Mode Core network — running 5G SA and 4G EPC simultaneously — from a 2-site NFVi deployment to a resilient, cloud-native 3-site CNIS architecture. Every design decision you make will directly impact network stability, service continuity, and the digital experience of millions of Singtel subscribers. This is a role for a technical authority who can lead from the front — with customers, with engineers, and in the boardroom.**What You'll Do** Own the Architecture — End to EndDefine and govern the target-state architecture across 4G EPC, 5G SA Core, Signalling, Charging, Subscriber Data Management, and Cloud Infrastructure. You'll develop HLDs, LLDs, migration strategies, and rollback plans — and you'll be accountable for every one of them.Lead the TransformationDrive the full migration from NFVi (CCD/CEE) to CNIS — planning and executing multi-site traffic migration, ISSU strategies, disaster recovery, and failover scenarios. Minimal customer impact isn't a goal. It's a requirement.Be the Design Authority for Cloud-NativeOwn governance of Kubernetes cluster design, CNF onboarding, networking, storage, security, and observability. Drive N+1/N+2 resiliency and geo-redundancy requirements that keep mission-critical services running without compromise.Govern Lifecycle & Automate EverythingDefine software upgrade and lifecycle strategies, lead EOM modernisation roadmaps, and govern CI/CD and GitOps deployment frameworks. You'll push for Infrastructure-as-Code, automated validation, and MOP automation — because smarter operations are non-negotiable.Lead Technical GovernanceChair architecture reviews and design authority forums. Conduct risk assessments for major transformations and CABs. Ensure alignment across Core, Cloud, Transport, OSS, and Security — nothing falls through the cracks on your watch.Be Singtel's Trusted Technical AdvisorEngage directly with the customer's CTO, architecture, and operations teams. Present transformation roadmaps, solution strategies, and architecture evolution at executive steering committees — with clarity, credibility, and confidence.**What You Bring** - 5G & 4G Core Expertise - Deep hands-on knowledge of Ericsson 5G SA Core — AMF, SMF, UPF, PCF, NRF, UDM, AUSF, CHF, SCP. - Strong expertise in 4G EPC — MME, SGW, PGW, PCRF, HSS, OCS. - Experience with IMS, Signalling, Charging, and Subscriber Data Management. - Cloud Native & Infrastructure - Expert-level knowledge of Ericsson CNIS, CCD, CEE, Kubernetes, CNFs, and OpenStack-based NFVi. - Strong grounding in storage, networking architecture, and service mesh concepts. - Automation & DevOps - CI/CD pipeline design, GitOps, Ansible, Helm, Terraform, ArgoCD, Jenkins — you build automation, not just processes. - Networking & Observability - IP Networking, Diameter, HTTP2/SBI, DNS, Load Balancing, and Network Security. - Monitoring, alerting, log analytics, capacity planning, and performance management.**Experience** - 12–15+ years in Telecom Core and Cloud domains; 5+ years in 5G Core architecture. - Proven track record in large-scale operator transformation programs in Tier-1 environments. - Strong executive presentation and customer-facing skills.**Why join Ericsson?**At Ericsson, you ́ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what ́s possible. To build solutions never seen before to some of the world’s toughest problems. You ́ll be challenged, but you won’t be alone. You ́ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next. **What happens once you apply?**Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.**Primary country and city:** Singapore (SG) || Singapore**Req ID:** 786036