5G Core System Engineering Lead
Core
Own end-to-end 5G Core system architecture and interface definition for a satellite 5G Core network, ensuring session continuity and service delivery in low Earth orbit (LEO) environments.
Role type
Senior IC system engineering lead (5G Core architecture)
Builds
Satellite 5G Core network functions and interfaces
Domain
Telecommunications / Space / 5G Core
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
5G SA Core architecture, 3GPP specifications (Rel-17/18), system decomposition, interface specification, trade-off analysis, policy and charging architecture, call-flow design, back-end platform integration
Preferred skills
3GPP NTN core adaptations, MVNO core architecture, standards contribution, NEF/B2B API gateway, SIM provisioning platforms, startup environment experience
Technologies
3GPP, 5G Core, LTE EPC, SBI, N-reference points, AMF, SMF, UPF, UDM, PCF, AUSF, CHF, NEF
Responsibilities
Produce architecture decision records (ADRs) and system decomposition documents; Define interface specifications at core domain boundaries; Drive system-level trade-off analyses for latency and complexity; Analyze satellite-imposed constraints on core design; Lead call-flow design for 5G Core procedures; Define requirements for back-end platform integration; Evaluate build-vs-buy options for network functions; Define system-level acceptance criteria and performance benchmarks; Maintain alignment with 3GPP specifications
Seniority
Senior, hands-on IC