Senior 5G Core Data Engineer — UDR/UDM Lead

E-Space; Arlington (TX); On-site; USD 170,000 - 200,000; Full time

Benefits offered by this job

Competitive salaries

Health and wellness care options

Paid holidays

Paid time off

Continuous learning and development

Job summary

E-Space is seeking a SIM Management5G Core Engineer to analyze, design, and verify configuration of subscriber data management across our 5G network. You will work on UDR/UDM deployments, capacity planning, and integration with AMF and other core elements.

You will lead provisioning workflows, perform troubleshooting, and build dashboards to monitor KPIs, ensuring high availability and SLA adherence in a fast-paced, space-enabled telecom environment.

Qualifications

• Deep operational knowledge of HSS/HLR or UDR/UDM platforms.
• Hands-on experience with configuration and troubleshooting.
• Practical experience with 5G UDM/UDR, including cloud-native deployments (containerized/Kubernetes-based NFs) and HTTP/2 SBI interfaces (N8, Nudm_SubscriberDataManagement, Nudr_DataRepository).
• Solid understanding of subscriber profiles: 5GS subscription.
• Experience with IMSI/MSISDN range management and roaming configurations.

Responsibilities

• Own the subscriber data management platform across 5G core domain.
• Design and maintain subscriber provisioning workflows (IMSI/MSISDN, service profiles, roaming).
• Implement and verify HTTP/2 interfaces connecting data nodes to AMF and core elements.
• Build dashboards to monitor KPI and surface anomalies before outages.
• Manage incidents for the subscriber data domain and ensure SLAs are met.
• Perform maintenance, security audits, patching, and emergency response for UDM/UDR.

Skills

HSS/HLR/UDR/UDM platforms

5G Core networking

HTTP/2 SBI interfaces

Kubernetes (cloud-native NF)

Linux/Unix administration

Wireshark/tcpdump

NFV/telecom data provisioning

Education

Bachelor's or Master's in Telecommunications/CS

Tools

Kubernetes

Helm

Wireshark

tcpdump

Linux

Job description

E-Space is seeking a SIM Management5G Core Engineer to analyze, design, and verify configuration of subscriber data management across our 5G network. You will work on UDR/UDM deployments, capacity planning, and integration with AMF and other core elements.

You will lead provisioning workflows, perform troubleshooting, and build dashboards to monitor KPIs, ensuring high availability and SLA adherence in a fast-paced, space-enabled telecom environment.