Exciting opportunity-5G core Engineer

Masadir; Bengaluru; On-site; INR 900,000 - 1,300,000; Full time

Job summary

Masadir is seeking a 5G Core Engineer in Bangalore to design, implement, and validate 5G Core network components across VNFs/CNFs. You will port and optimize modules for on-prem, hybrid, and cloud platforms, ensuring robust signaling, interworking, and performance.

Ideal candidates have 3–5 years of hands-on SDN/NFV experience in 5G Core with knowledge of SA/NSA, 3GPP standards, and cloud-native tooling such as Kubernetes, Docker, and CI/CD pipelines.

Qualifications

• Bachelor's or Master's degree in EC, Telecommunication, CS, CE or equivalent.
• 3–5 years hands-on SDN/NFV and 5G Core experience including LTE Core NW and CUPS.
• Experience porting VNFs/CNFs to on-prem, hybrid, or cloud platforms.

Responsibilities

• Port and porting of VNF/CNF modules into on-prem, hybrid, or cloud environments.
• Oversee SDN/NFV module launches (UPF, AMF, SMF, NRF, NSSF, PCF) including testing and troubleshooting.
• Configure, validate, and troubleshoot VNFs/CNFs; ensure interconnection paths and orchestration.

Skills

VNF/CNF porting

SDN/NFV platforms

5G Core components

Log analysis

Interoperability testing

System monitoring

Test case validation

Interface protocols

5G signaling

Cloud platforms

Kubernetes & Docker

Programming languages

CI/CD pipelines

5G SBA & NSA/SA

Protocols NGAP/PFCP/SBI

Linux scripting

3GPP standards

Networking tools

Education

Bachelor's or Master's in EC/Telecom/CS/CE

Tools

Wireshark

QXDM

XCAL

UE Simulator

Kubernetes

Docker

Job description

Exciting opportunity 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 efficient 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.