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HireTeq

5G Core Network Engineer (FULLY ONSITE)

Pay: Not specified
Posted: 1 week ago
Location: Richardson, TX (Onsite)
Last Updated: 1 week ago
Hours: Full-Time
Expires: 10/26/2026
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Job Description

Location:
Richardson, TX - 75081 (FULLY ONSITE)
Duration:
Fulltime/Permanent Role:
The Core Network Engineer (5G) works within the Engineering department and is responsible for the design, deployment, operation, and optimization of Limitless Mobile s 5G core network platforms. The role is focused on hands-on engineering execution, supporting both internal network operations and contracted wholesale customer deployments across U.S. and international environments. Innovation is delivered through practical improvements in automation, reliability, observability, and deployment efficiency rather than strategic product ownership.
Top Must Have s:
Design, deploy, operate, and maintain 5G Core Network (5GC) components including AMF, SMF, UPF, NRF, PCF, AUSF, and UDM across both SA and NSA deployments. Deploy, manage, and operate 5G core environments in high-availability and geo-redundant configurations, ensuring resilience, scalability, and service continuity. Support inter-PLMN connectivity including roaming, SEPP, and secure interconnect architectures. Support mediation requirements for billing / charging and performance statistics on 5G core platform. Perform end-to-end call-flow debugging and protocol-level troubleshooting across N1, N2, N3, N4, N6, N10, N11, and N12 interfaces. Implement and support network slicing, policy control, and service function chaining. Ensure compliance with relevant 3GPP specifications, security requirements, and interface protocols (e.g.
HTTP/2, PFCP, SCTP
). Ability to code open source to enhance the 5G code. This can be done by utilizing AI if needed. Some exposure to AI tools, like ChatGPT In addition to the above, candidates should be familiar with 5G open source both SA and NSA and connectivity with SEPP for roaming between 5G SA roaming partners. In addition, we also now need for the candidate to have experience with dealing with AI and using AI to add code using Codex or Groc or whatever as we enhance the 5G open-source Core platform. They currently have 2 5G core engineers that do all of that