Packet Core Engineer
Yantran LLC
Packet Core Engineer
Location – Plano, TX (Day 1 Onsite) Contract/Full Time
Job Summary: As a Packet Core Engineer, you will play a key role in troubleshooting Core Network functions across 5GC and EPC domains. This role requires hands on expertise in deep protocol level troubleshooting, large scale Packet Core deployments, and cross functional coordination with Engineering, Operations, and Platform Teams. Experience in Messaging platform is an added advantage. This role is ideal for someone with a unique blend of technical expertise, operational excellence, leadership skill set, and strong prioritization, facilitation, and communication skills.
In this role, you will:
- Understand best practices for virtualized and cloud-native Core applications for mobile networks
- Work on 5GC and EPC Packet Core nodes such as AMF/MME, UPF/SGW, SMF/PGW, PCF/PCRF, UDM/HSS, DNS, and related functions
- Support IMS/Messaging platforms (SIP, SMSC, MMSC, RCS, VoLTE/VoNR)
- Analyze, troubleshoot, and resolve call flow issues across Control Plane and User Plane domains
- Perform deep debugging using trace tools, logs, KPIs, and protocol analyzers
- Own escalations, including end to end RCA, mitigation, and long term fixes
- Validate interworking between EPC, 5GC, IMS/Messaging, Transport, and RAN
- Define automation call flows for provisioning, upgrades, scaling, and fault recovery
- Document designs, test plans, and knowledge base material for new function introductions
Skills, Experience and Requirements As a successful 5G Core Engineer, you will have:
- Degree in Electrical, Electronics, Computer Science, or Telecommunications Engineering (Master's or PHD will be favorable)
- 8–12 years of telecom experience in 5G Core and 4G EPC domains (Experience in NOKIA and Oracle products preferred)
- Hands-on expertise with Packet Core nodes (5GC + EPC) and protocols such GTPV2, GTP C/U, PFCP, NAS, Diameter, SIP
- Strong troubleshooting skills in production environments
- Experience with virtualized/cloud infrastructures: AWS Cloud, Kubernetes, CNFs/VNFs
- Familiarity with orchestration, observability, and FCAPS systems
- Experience performing integration, debugging, testing, and optimization
- Strong communication, analytical thinking, and cross functional collaboration abilities
- Experience with Messaging/IMS (SIP, SMSC, MMSC, VoLTE/VoNR, RCS) is preferred
- Excellent interpersonal and leadership skills
- Curious-minded person striving for continuous learning and innovation
- Outstanding verbal and written communication skills
Vacancy posted 2 days ago
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