Software Integration Lead — 5G Core

Job overview

Compensation is $180,000–$220,000 per year. The Software Integration Lead — 5G Core role is remote, with the position based out of E-Space’s Saratoga, CA office. E-Space is developing a low Earth orbit satellite system for global connectivity and Internet of Things services. The lead owns integration between the 5G Core network and subscriber and business support systems, ensuring provisioning, customer records, billing, charging, and device management work together across satellite and ground environments. The role also sets interface standards, drives testing and defect resolution, and leads a small integration engineering team.

What you'll do

• Own integration architecture and delivery for SIM/eSIM provisioning, CRM, billing and charging, and device management
• define and implement provisioning workflows and subscriber profile management
• design CRM-to-core interfaces for subscriber records, entitlements, quotas, and events
• integrate billing and charging interfaces, CDR delivery, and reconciliation
• define API specifications, data models, and event schemas
• build integration test harnesses and acceptance criteria
• lead defect triage and root-cause analysis
• mentor a team of 2–4 integration engineers.

What we're looking for

Skills & competencies

software integration lead

5g core

remote

e-space

bss/oss integration

satellite communications

sim provisioning

esim

crm integration

billing and charging

api design

integration testing

team leadership

$180k–$220k

Work arrangement

• Weekend coverage required

Benefits & perks

• Health and wellness care options
• financial solutions
• optional legal services in the U.S.
• paid holidays
• paid time off
• continuous learning and development.

Why this role

Requires 12+ years of software engineering experience focused on BSS/OSS integration with mobile core networks, strong 5G Core knowledge, and experience leading software integration teams. Occasional extended hours or weekends may be needed during critical periods; employment sponsorship is not available.

About the employer

E-Space is hiring for this role. Industry: Computer Systems Design Services. Sector: 54.