Exciting prospect for 5G Core Engineer.

Position:5G Core Engineer

Exp:3+ Years

Location:Bangalore

Interview Process:1st Round Teams, 2 nd Round F2F.

Specific Skills Experience And Requirements

Manage the porting of VNF, CNF modules into on-prem server farms, hybrid, or public cloud platforms to optimize system performance and reliability.

Oversee the launch of SDN and NFV modules (UPF, AMF, SMF, NRF, NSSF, PCF, etc.,) including porting, creation, configuration, auditing, testing, and troubleshooting to ensure optimal functionality.

Configure, troubleshoot, and validate Virtualized Network Functions (VNFs) and Containerized Network Functions (CNFs), ensuring seamless operation and validating interconnection paths and orchestration capabilities.

Collect, manage, and troubleshoot logs of VNFs / CNFs, utilizing tools such as Wireshark, NetScout to ensure effective communication and seamless operation.

Test and validate message communication protocols between VNFs / CNFs to guarantee smooth communication and interaction within the network.

Monitor end-to-end system endpoints, promptly resolving observed issues and problems to maintain system integrity and functionality.

Conduct test case-based validation of individual VNFs / CNFs, focusing on critical aspects such as Registration, Authentication, and UE data and context management to ensure compliance with standards and requirements.

Understand and validate interface protocols between VNFs / CNFs in the 5G Core network, ensuring compatibility and seamless integration.

Employ effective communication and comprehension skills to facilitate clear and effective communication within the team and across stakeholders, ensuring smooth collaboration and coordination.





Working knowledge of 3GPP 5G SA voice and packet core architecture.

Experience in implementing, integrating, testing and deploying solutions in 5G and IMS core domain.

Understanding of 5G signaling and packet core functions incl NRF, NSSF, PCF, NEF, SCP, BSF, SEPP, UPF, AMF, SMF.

Deploy and support 5G signaling (PCF/NRF/BSF/SCP/SEPP) and packet core network (AMF/SMF/UPF/NSSF) functions over public cloud standalone 5G network.

5G Core SBA (Service-Based Architecture) AMF, SMF, UPF, NRF, AUSF, UDM, PCF, NSSF.

5G Call Flow Expertise: SA (Standalone) & NSA (Non-Standalone)

5G Protocols: NGAP, PFCP, SBI, HTTP/2, SCTP

VNF (Virtual Network Functions) / CNF (Cloud-Native Functions) deployment on-premises & cloud

Cloud Platforms: AWS, Azure, OpenStack, VMware

Containerization & Orchestration: Kubernetes, Docker, Helm

Programming Languages: C++, Go, Java, Python

Development Skills: Develop, maintain, and optimize 5G Core network modules; implement and enhance 5G Core protocol stacks (3GPP compliant); work with REST APIs, HTTP, GTP; utilize DPDK, SR-IOV for high-performance packet processing; build microservices-based software; manage CI/CD pipelines; troubleshoot, debug, and automate using Python; optimize CPU, IP networking, and multithreading performance

Network Slicing Implementation and Management

TCP/IP, UDP, SIP, RTP networking fundamentals

Linux/Unix environments & shell scripting

3GPP Standards (TS 23.501, TS 23.502, TS 29.500)

Tools: Wireshark, QXDM, XCAL, UE Simulator

Qualifications And Experience

Bachelor s or Master s degree in EC, Telecommunication, Computer Science (CS), Computer Engineering (CE), or equivalent field.

3 - 5 years of hands-on experience with SDN, NFV architecture of 5G Core network, LTE Core NW, and CUPS framework of Packet Core NW architecture.

📌 Exciting opportunity-5G core Engineer (Bengaluru)
🏢 Masadir
📍 Bengaluru