Senior Wireless Core Engineer - LTE/5G Network Architect

Lower Colorado River Authority; Austin (TX); Hybrid; USD 140,000 - 190,000; Full time

Job summary

Lower Colorado River Authority seeks a Wireless Core Engineer Senior to architect and manage LTE EPC and 5GC SA core functions for a private network serving critical Texas infrastructure. You will own live core operations, handle traces, MOPs, configuration, upgrades, and RCA.

The role demands deep expertise in Ericsson CNIS/NFVI and performance of KPIs across the core with strong security and reliability focus, collaborating with NOC teams, and driving continuous improvements to minimize

Qualifications

• Nine+ years of experience in network architecture, engineering, cybersecurity, or network systems design.
• Degree in Engineering, Computer Science, Information Technology, or related field; substitutions may apply per guidelines.
• Valid driver's license.

Responsibilities

• Operate and maintain the Ericsson EPC CUPS stack on CNIS/NFVI (PCC, PCG, CCDM, CCSM, PCRF, and more).
• Capture and analyze traces (GTP-C/U, PFCP/Sx, Diameter, S1-MME/U, NAS) and close RCA on attach and session failures.
• Author, validate, and execute MOPs for configuration updates and RAN additions with regression testing.
• Provision SIMs and subscribers; build and maintain private APNs.
• Monitor KPIs and alarms across the core and support the NOC as Ericsson core SME.

Skills

Network architecture

Engineering

Cybersecurity

Enterprise network design

Education

Engineering/CS/IT degree

Tools

Ericsson CNIS

NFVI

Job description

Lower Colorado River Authority seeks a Wireless Core Engineer Senior to architect and manage LTE EPC and 5GC SA core functions for a private network serving critical Texas infrastructure. You will own live core operations, handle traces, MOPs, configuration, upgrades, and RCA.

The role demands deep expertise in Ericsson CNIS/NFVI and performance of KPIs across the core with strong security and reliability focus, collaborating with NOC teams, and driving continuous improvements to minimize