Job Id : 10333
Posted : 2026-05-12
Industry : Information Technology and Services
Employment Type : Full Time, Permanent
Required Skills : Packet Core,Telco Cloud,OpenStack,OpenShift,Docker,vmware,Linux,Dockers
City : Tokyo
State : Tokyo
Country : Japan
Annual Salary : ¥8,000,000 ~ ¥10,000,000
Job Description
Appealing Points:
- Opportunity to work with cutting-edge 4G/5G Packet Core and Telco Cloud technologies in real deployment environments
- Hands-on exposure to Bare Metal, VNF, and CNF architectures, along with cloud platforms such as OpenStack, OpenShift, Docker, and VMware
- Involvement in next-generation telecom services including VoLTE, VoWiFi, and IoT, while collaborating with global cross-functional teams
Annual salary: 8 Million and above
Job Responsibility:
- Assist in end-to-end deployment, integration, and testing of Packet Core Network elements across 4G and 5G environments.
- Support implementation of Packet Core solutions based on customer requirements, following High-Level Design (HLD) and Detailed Level Design (DLD).
- Participate in deploying Packet Core nodes on Bare Metal, VNF, and CNF architectures within Telco Cloud environments.
- Assist in installation, configuration, and integration of core network elements such as SGSN, MME, GGSN/EPG, PCRF/SAPC, ePDG/WMG, and 5G NSA/SA nodes.
- Support deployment and basic operations of cloud-based telecom solutions using platforms like OpenStack, VMware, Docker, and OpenShift.
- Perform system validation, basic testing, and assist in integration activities across environments.
- Analyze and troubleshoot network issues using tools such as Wireshark, logs, and basic protocol analysis.
- Support validation of 4G/5G call flows, including VoLTE, VoWiFi, and IoT use cases.
- Collaborate with cross-functional teams (onsite and offshore) to ensure timely execution of assigned tasks.
- Assist in executing software upgrades, patches, and migrations under supervision.
- Monitor system performance and support optimization activities for stability and availability.
- Document configurations, test cases, and deployment activities.
- Work with customers and internal teams to support successful project delivery.
- Participate in knowledge sharing and continuous learning initiatives.
Job Qualification:
- Candidate should have understanding of the Packet Core Solution./Nodes
- Should have good knowledge of 4G and 5G call flows, and overall understanding of latest technologies in the Telecom space including VOLTE, VoWiFi, loT etc.
- Should have understanding of the Cloud environment and understanding of how EPC solutions can be deployed over cloud.
- Candidate should have prior experience in deploying packet core nodes as Bare Metal Nodes/VNF's/CNF's.
- Prior experience in Linux, VMWare, Dockers & Containers, OpenStack, Openshift
- Working knowledge on Packet Core Nodes SGSN / MME, GGSN /EPG, PCRF /SAPC, ePDG / WMG, 5G nsa /sa
- Working knowledge on Packet Core Nodes CMG, CMM, NRD will be an added advantage
- Telecom Telco Cloud Orchestrator
Language Skills: Business level Japanese (JLPT N2) and Fluent level English
Company Description:
A leading global information technology, consulting, and business process services company. We harness the power of cognitive computing, hyper-automation, robotics, cloud, analytics, and emerging technologies to help our clients adapt to the digital world and make them successful. A company recognized globally for its comprehensive portfolio of services, a strong commitment to sustainability, and good corporate citizenship, we have over 160,000 dedicated employees serving clients across six continents. Together, we discover ideas and connect the dots to build a better and bold new future.
[Measures against passive smoking]
No smoking indoors allowed
Designated smoking area