Mobile Core Engineer
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Location: Remote
Compensation: Salary
Reviewed: Fri, Nov 13, 2026
This job expires in: 30 days
Job Summary
Experienced in operating mobile core networks, the full-time hybrid Mobile Core Engineer will manage the converged 4G/5G core, define monitoring parameters, and lead incident responses while collaborating with SRE and development teams.
Key responsibilities
- Operate and maintain the converged 4G/5G core, including packet core and IMS functions
- Define and implement monitoring metrics, alarms, and thresholds in collaboration with the SRE team
- Lead core incidents, analyzing protocol and policy issues to ensure network reliability
Required qualifications
- 5+ years of experience operating a live mobile core for a carrier, MVNO, or MVNE
- Hands-on experience with EPC/5GC packet core and working knowledge of IMS
- Familiarity with policy and charging systems (PCRF/PCF, OCS)
- Proficient in reading and analyzing packet captures
- Experience leading production incidents and implementing change management processes
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