In this role you will play a key role in troubleshooting, analyzing, and resolving complex technical issues in 3G, 4G, and 5G Cellular Networks. You will partner with cross-functional teams, engage in global emergency support, and provide expert-level solutions to customers. This role offers the opportunity to work on cutting-edge Core Network technologies, enhance problem-solving skills, and contribute to continuous improvement in telecom solutions.

If you are passionate about solving technical challenges, learning new technologies, and working in a dynamic telecom environment, this role is for you!

You have:

10+ years of experience in telecommunications, specializing in Core Networks.Engineering degree in Telecommunications, IT, Computer Science, or Electronics.Practical background or understanding in Nokia equipment such as NTAS, SMSF, CFX-5000, and SBC.

It would be nice if you also had:

Fluency in English (Japanese proficiency is a plus).Ability to work in remote/virtual teams and demonstrate initiative, collaboration, and problem-solving skills.Certifications in Public Cloud or Kubernetes are a plus.
 Provide expert-level technical support for Nokia TAS, SMSF, MSS Cloud, and other Core Network products.Analyze and resolve complex customer tickets, perform root cause analysis, and collaborate with teams to develop effective solutions.Lead integration, implementation, and acceptance testing of telecommunications products such as Application Servers, Session Border Controllers, and IMS components.Troubleshoot VoLTE and VoNR call flows, including 4G-4G, eSRVCC, and conference call scenarios.Engage in global emergency support activities and be flexible to travel on short notice for critical customer issues.Work with protocols like SIP, Diameter, TCP/IP, SCTP, UDP, HTTP2, SS7, and 5G signaling protocols.Utilize expertise in Linux, scripting (Shell, Perl, Python), OpenStack, Docker, Kubernetes (K8s), and Cloud-Native applications.