2 days ago
Singapore (city not specified)Staff+
Responsibilities
- Lead customer and stakeholder workshops to gather business objectives, technical requirements, constraints, and migration needs.
- Define end-to-end architectures for subscriber data, provisioning, charging, 4G/5G Core, and OSS/BSS integrations.
- Produce and review high-level designs, interface and deployment views, design decisions, risk assessments, and related architecture deliverables.
- Shape Kubernetes and cloud-native network function deployment approaches covering topology, resilience, scaling, observability, and lifecycle management.
- Define integration principles and end-to-end flows using Diameter, HTTP/2, REST, SOAP, XML, LDAP, and 5G SBI/N interfaces.
- Assess capacity, performance, availability, disaster recovery, networking, and security requirements.
- Develop migration and upgrade strategies covering coexistence, data transition, rollback, and service continuity.
- Guide technical teams through detailed design, integration, verification, acceptance, documentation, knowledge transfer, and operational handover.
- Lead technical governance, design reviews, risk management, and resolution of cross-domain architecture issues.
- Support bids with solution descriptions, estimates, compliance responses, and scope clarification.
- Drive standardization and automation in solution delivery.
Requirements
- Typically 12+ years of experience in telecommunications Core network architecture, solution design, or technical leadership.
- Strong understanding of 4G/5G Core architecture and subscriber data and provisioning domains.
- Experience with one or more of CCDM, CCRC, CCSM, HSS/HLR, EDA, or comparable subscriber data and charging platforms.
- Ability to translate customer requirements into end-to-end architectures and delivery plans.
- Knowledge of Diameter, HTTP/2, REST, SOAP, LDAP, and 5G SBI Core network protocols.
- Understanding of cloud-native functions, containers, and Kubernetes-based telecom deployments.
- Working knowledge of security, resiliency, performance, and capacity principles for carrier-grade solutions.
- Familiarity with Linux and IP networking, including routing, firewalls, load balancing, and DNS.
- Strong stakeholder management, presentation, technical writing, structured problem-solving, and risk and trade-off management skills in English.
- Preferred experience with Ericsson 5G Cloud UDM & Policy, EDA, DMC, or other Ericsson Core products.
- Preferred exposure to AMF, SMF, PCF, SC, UDR, AUSF, and policy/charging solution architecture.
- Preferred experience in customer-facing architecture, technical presales, bids, or solution consulting.
- Preferred knowledge of CNIS/ECCD or equivalent telecom cloud platforms.
- Preferred experience with Python, Bash, Ansible, CI/CD, or infrastructure as code.
- Preferred background with a major telecom vendor, operator, or systems integrator.
Benefits
- Opportunity to work on advanced Ericsson 4G/5G Core, subscriber data, provisioning, and cloud-native telecom solutions.
- Inclusive and diverse work environment with equal-opportunity employment.
- Location: Singapore, Singapore.
Tech Stack
Categories
Solutions Engineering
About Ericsson
Ericsson is a publicly traded telecommunications vendor that builds mobile network infrastructure (RAN, core, OSS/BSS), cloud platforms, and managed services for communications providers and enterprises. Founded in 1876 and headquartered in Kista, Stockholm, it supplies 5G systems to operators worldwide and owns Vonage, expanding network APIs and enterprise communications offerings.