Software Integration Lead – 5G CORE
AI summary of the role
Hands-on technical leadership role owning integration of BSS/OSS systems (SIM/eSIM provisioning, CRM, billing/charging, device management) with E-Space's 5G Core network, spanning satellite and ground environments.
What you’ll do
- Own integration architecture and delivery for back-end systems interfacing with the 5G Core (SIM/eSIM provisioning, CRM, billing/charging, device management).
- Define and implement SIM/eSIM provisioning integration with core subscriber management, including profile delivery and lifecycle management across satellite and ground.
- Design and own CRM-to-core interface: subscriber record sync, service entitlement, quota management, and real-time event delivery.
- Lead billing/charging integration: CDR generation/delivery, online charging authorization, and reconciliation with BSS billing records.
What you’ll bring
- 12+ years of software engineering experience with significant focus on BSS/OSS integration with mobile core networks.
- Strong understanding of 5G Core subscriber management and BSS/OSS-to-core interfaces (authentication, session management, policy, charging).
- Hands-on experience integrating SIM/eSIM provisioning infrastructure (SM-DP+, SM-SR, or equivalent) with mobile core subscriber management.
- Experience integrating CRM and billing platforms with telecom core networks (service provisioning APIs, charging interfaces, CDR delivery).
Technologies
5G Core · BSS/OSS · SIM provisioning · eSIM · SM-DP+ · SM-SR · CRM · billing · charging · CDR · device management · REST
About E-Space
Builds a sustainable low-Earth-orbit satellite mesh network for hyper-scaled IoT and Smart-IoT, plus 5G and command-and-control services, with in-house solar and satellite manufacturing.
Seed · 100–200 people
Source and classification
Internal deployment & tooling · Evidence for this classification:
Ready to make connectivity from space universally accessible, secure and actionable? Then you’ve come to the right place! E-Space is bridging Earth and space to enable hyper-scaled deployments of Internet of Things (IoT) solutions and services. We are building a highly-advanced low Earth orbit (LEO) space system that will fundamentally change the design, economics, manufacturing and service delivery associated with traditional satellite and terrestrial IoT systems. We’re intentional, we’re unapologetically curious and we’re 100% committed to innovate space-based communications and deliver actionable intelligence that will expand global economies, protect space and our planet and enhance our overall quality of life. We are looking for a Software Integration Lead to own the integration of back-end subscriber and business support systems with E-Space's 5G Core network. This is a
More from the job description
Ready to make connectivity from space universally accessible, secure and actionable? Then you’ve come to the right place! E-Space is bridging Earth and space to enable hyper-scaled deployments of Internet of Things (IoT) solutions and services. We are building a highly-advanced low Earth orbit (LEO) space system that will fundamentally change the design, economics, manufacturing and service delivery associated with traditional satellite and terrestrial IoT systems. We’re intentional, we’re unapologetically curious and we’re 100% committed to innovate space-based communications and deliver actionable intelligence that will expand global economies, protect space and our planet and enhance our overall quality of life. We are looking for a Software Integration Lead to own the integration of back-end subscriber and business support systems with E-Space's 5G Core network. This is a hands-on technical leadership role sitting at the boundary between the core network and the systems that provision, manage, and bill subscribers — SIM and eSIM provisioning, CRM, billing and charging, and device management. You will own the interface contracts, drive integration delivery, and ensure these systems interoperate correctly with core network functions end-to-end, spanning satellite and ground environments. What you will do: Own the integration architecture and delivery for back-end systems [... source excerpt omitted ...] ound. Design and own the interface between CRM and the core network: subscriber record synchronisation, service entitlement and quota management, and real-time event delivery for customer-facing workflows. Lead integration of the billing and charging stack with the core charging interfaces — CDR generation and delivery, online charging authorization flows, and reconciliation between core charging events and BSS billing records. Integrate device management capabilities with core network functions, including device policy enforcement, configuration delivery, and status signalling across the satellite link. Define interface contracts (API specifications, data models, event schem [... source excerpt omitted ...] perience in a startup or fast-paced R&D environment where integration scope expands rapidly. Prior work with government or defence connectivity platforms with BSS/OSS integration requirements. Additional Requirements This is a fast-paced, high-impact environment - flexibility to occasionally work extended hours or weekends during critical periods is expected. This is a full time, exempt position, based out of our Saratoga, CA office. The total compensation packaged will be determined by various factors such as your relevant job-related knowledge, skills, and experience. We are redefining how satellites are designed, manufactured and used—so we’re looking for candidates with pas
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