5 days ago

Principal Software Engineer – 5G Core Networks

san jose, United States of AmericaFull-timeOn-siteSenior · 10-15 yearsSoftware Engineer

What you'll do

5g core network development
protocol development
network functions development
network interfaces development
service-based interface development
nas protocol development
pfcp protocol development
gtp-u protocol development
http/2 protocol development
reverse engineering
distributed systems troubleshooting
control-plane signaling

What they're looking for

5g core network development
protocol development
ts/sci security clearance
network functions development
network interfaces development
service-based interface development
nas protocol development
pfcp protocol development
gtp-u protocol development
http/2 protocol development
reverse engineering
distributed systems troubleshooting

Summarised by NextRaise from the employer’s description, which follows in full below.

Full description from employer

Date Posted. 2026-09-17Country. United States of America Location. US-CA-SAN JOSE-826 ~ 200 Holger Way ~ BLDG 826 Position Role Type. Onsite. U.S. Citizen, U.S. Person, or Immigration Status Requireme...

Skills

5g core network development
protocol development
ts/sci security clearance
network functions development
network interfaces development
service-based interface development
nas protocol development
pfcp protocol development
gtp-u protocol development
http/2 protocol development
reverse engineering
distributed systems troubleshooting
control-plane signaling
microservices development
rest apis
linux software development
c++
python
telecommunications protocols
technical documentation
technical research
concept demonstrations
requirements gathering
technical leadership
collaboration
observability frameworks
opentelemetry
prometheus
grafana
4g epc

Company

RTX

san jose, United States of America

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