# SIM Management, 5G Core Engineer at E-Space

- Company: E-Space
- What the company does: E-Space is a global space company, bridging Earth and space with the world’s most sustainable Low Earth Orbit (LEO) satellite network to advance humanity, protect the planet, and enable smarter business. Backed by Space Capital.
- Company website: https://e-space.com
- Type: Startups
- Level: Mid level
- Location: Santa Clara, CA
- Work setup: On-site
- Pay: $170K to $200K base salary per year (USD)
- Posted: 2026-09-16
- Apply by: 2026-10-31
- Apply: https://jobs.lever.co/espace/cf97ef10-6123-47ff-bf0e-f14e0d37f1fb
- Page: https://www.1752.vc/careers/jobs/e-space-sim-management-5g-core-engineer/

## About the role

As part of the 5G Core team, you will own the subscriber data management platform across our network generations. Your responsibilities include: Manage and operate UDR, and UDM nodes across 5G core domain, ensuring high availability and data integrity for subscriber profiles.

## What they're looking for

- At least 10 years of experience in core network engineering with a focus on subscriber data management in 5G Core networks
- Technical — Subscriber Data Management
- Deep operational knowledge of HSS/HLR or UDR/UDM platforms
- Hands-on experience with configuration and troubleshooting
- Practical experience with 5G UDM and UDR, including cloud-native deployments (containerized/Kubernetes-based NFs) and HTTP/2 SBI interfaces (N8, Nudm_SubscriberDataManagement, Nudr_DataRepository)
- Solid understanding of subscriber profile structures: 5GS subscription

Tags: Engineering & Operations