Lead 5G Core & Subscriber Data Engineer

E-Space; Santa Clara (CA); 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

Job summary

E-Space in Santa Clara, CA, seeks a SIM Management5G Core Engineer to design and operate subscriber data management nodes (UDR/UDM) across our 5G core. You’ll configure, upgrade, and monitor data paths, ensuring high availability and data integrity for subscriber profiles.

You will work with cloud-native deployments (Kubernetes) and HTTP/2 interfaces (N8/Nudm_SubscriberDataManagement). Strong troubleshooting and collaboration are essential.

Qualifications

• 10+ years in core network engineering focusing on subscriber data management.
• Deep knowledge of HSS/HLR or UDR/UDM platforms and cloud-native deployments.
• Experience with 5G UDM/UDR and HTTP/2 SBI interfaces.

Responsibilities

• Own subscriber data management across 5G core networks.
• Design provisioning workflows including IMSI/MSISDN management and roaming.
• Maintain UDR/UDM, perform incident management and capacity planning.
• Analyze traces and optimize HTTP/2 signaling for reliability.

Skills

UDR/UDM operations

5G Core engineering

IMSI/MSISDN management

N8/Nudm interfaces

Kubernetes

Wireshark/tcpdump

Linux/Unix

SLA & incident handling

Education

Bachelor's or Master's in Telecommunications/CS

Tools

Kubernetes

Helm

Docker

Job description

E-Space in Santa Clara, CA, seeks a SIM Management5G Core Engineer to design and operate subscriber data management nodes (UDR/UDM) across our 5G core. You’ll configure, upgrade, and monitor data paths, ensuring high availability and data integrity for subscriber profiles.

You will work with cloud-native deployments (Kubernetes) and HTTP/2 interfaces (N8/Nudm_SubscriberDataManagement). Strong troubleshooting and collaboration are essential.