Space-Scale 5G Core Integration Lead

Medium; Arlington (TX); On-site; USD 180,000 - 220,000; Full time

Benefits offered by this job

Paid holidays

Paid time off

Health and wellness options

Job summary

E-Space is seeking a senior integration engineer to own the end-to-end integration architecture connecting SIM/eSIM provisioning, CRM, billing, and device management to the 5G core. You will define contracts, build test harnesses, and drive automation across satellite and terrestrial interfaces.

Ideal candidates bring extensive experience with BSS/OSS integration in mobile core, strong API design skills, and the ability to lead a small team in a fast-paced R&D environment.

Qualifications

• Bachelor's or Master's degree in Computer Science, Software Engineering, Electrical/Computer Engineering, or related field.
• 12+ years of software engineering experience with focus on BSS/OSS integration with mobile core networks.
• Strong understanding of 5G Core subscriber management and interfaces between BSS/OSS and core.
• Hands-on experience integrating SIM/eSIM provisioning infrastructure with core subscriber management systems.
• Experience integrating CRM and billing platforms with telecom core networks: provisioning APIs, charging interfaces, CDR delivery.
• Experience with device management integration in mobile/IoT contexts: policy enforcement, configuration delivery, status signaling.
• Strong API design, REST and event-driven interface specification, data model design, test automation.

Responsibilities

• Own integration architecture and delivery for back-end systems interfacing with the 5G Core.
• Define interfaces between SIM/eSIM provisioning and core subscriber management; manage lifecycle and remote provisioning workflows.
• Design interface between CRM and core network for subscriber data and service entitlement.
• Lead integration of billing/charging stack with core charging interfaces; manage CDR and event delivery.
• Oversee device management integration with core network functions; enforce policies and manage status signals.
• Define API contracts and data models at BSS/OSS-to-core boundaries; document as engineering source of truth.
• Build and maintain integration test harnesses; drive automation and acceptance criteria.
• Lead and mentor a small integration engineering team; set delivery cadence and quality standards.

Skills

BSS/OSS integration

5G Core

API design

REST

Event-driven

Leadership

SIM/eSIM provisioning

CRM & Billing integration

Cloud-native

Device management integration

Release governance

Education

Bachelor's or Master's degree in CS/Engineering

Tools

SM-DP+

SM-SR

REST APIs

Job description

E-Space is seeking a senior integration engineer to own the end-to-end integration architecture connecting SIM/eSIM provisioning, CRM, billing, and device management to the 5G core. You will define contracts, build test harnesses, and drive automation across satellite and terrestrial interfaces.

Ideal candidates bring extensive experience with BSS/OSS integration in mobile core, strong API design skills, and the ability to lead a small team in a fast-paced R&D environment.