15 5G Core Jobs

Job Description: Sr Specialist Quality Assurance This position is a hands-on Automation QA leader for our Network Surveillance Management technology that supports AT&T's leading-edge networks and services, such as network virtualization and 5G, which require extensive surveillance and cross-domain correlation across multiple services. Evaluate and introduce strategic technology to enable Service Assurance architectural goals and transformation goals. This position requires technical leadership, innovation, and deep subject matter expertise in Network Service Assurance. Will be responsible for software quality engineering and test automation for Service Assurance applications. Required work i...

Domain Expertise Strong hands-on experience with UDM components (CCRC, CCSM, CCES, CCDM) and Ericsson Cloud Core Suite. Solid understanding of 5G Core / EPC architecture , UDM call flows, and Diameter protocol. Platform & Integration Skills Experience in CaaS / Kubernetes / CCD deployment , Helm charts, and cluster management. Familiarity with Ericsson Cloud Infrastructure (ECI) and EVFNM-based lifecycle management. Integration experience with HSS/HLR, PCRF, IMS , and subscriber data management. Other Technical Skills Proficient in Linux (RHEL/CentOS), scripting (Bash/Python), and cloud-native tooling. Understanding of CI/CD pipelines, Git, and container orchestration best practices

Role & responsibilities Design, develop, and maintain software modules using C/C++. Work on telecom protocols and applications (e.g., Diameter, SIP, GTP, IMS, VoLTE, 4G/5G Core). Debug, optimize, and enhance existing code to improve performance and scalability. Required Skills: Strong programming skills in C and C++ (including OOPs concepts, STL, pointers, memory management). Good understanding of data structures, algorithms, and multi-threading. Exposure to telecom domain protocols such as SIP, Diameter, GTP, SS7 Familiarity with 4G/5G Core Network concepts (PCRF, PCEF, HSS, IMS, VoLTE, etc.) is an advantage. Experience in working on Linux/Unix environments. Knowledge of debugging tools lik...

Job Requirement: Provide Professional services for Communications Cloud Native (CN) based 5G core NFs (PCF, NRF, SCP, IWF, UDR, NSSF, SEPP, SLF, BSF, etc.) and 4G virtual diameter signaling router (vDSR) solutions including ATS (Automated Test Suit). Knowledge experience with platforms framework and Operating Systems: Linux/Unix, Windows, Cloud Native (cn), Kubernetes (K8s), Grafana, Kibana, Jaeger, Jenkins, Selenium, HP Rack-mount server Server Blade platform. CNE (OpenShift or VMWare or Oracle), Openstack, and Kubernates certification preferred. Strong Knowledge/experience 4G 5G Technologies: Diameter (RFC 3588) protocol / applications / interfaces / http2 , LTE/EPC/IMS architectures (PCRF...

Role & responsibilities: We are seeking an experienced Telecom Project Manager to lead and deliver complex transformation programs within the telecom domain, with a strong focus on Core Network Migration, Business Support Systems (BSS), and Online Charging Systems (OCS). The role requires end-to-end project governance, vendor and stakeholder management, and proven expertise in managing cross-functional teams to deliver large-scale telecom migration and digital transformation programs on time and within budget. Preferred candidate profile : Own and drive end-to-end project delivery for core network migration, BSS, and OCS transformation initiatives. Develop and manage detailed project plans, ...

As a Principal Engineer, you will be responsible for defining and driving the technical vision across projects, influencing architecture and engineering practices to align with organizational goals. You'll provide expert guidance, mentor senior engineers, and lead the development of scalable, high-impact solutions. Our team of architects and developers develops comprehensive Mobile Packet Core solutions that support both 4G LTE and 5G NR (New Radio) technologies. This includes the development of key components such as the Serving Gateway (SGW), PDN Gateway (PGW), and the User Plane Function (UPF) for 4G, as well as the Access and Mobility Management Function (AMF), Session Management Functio...

Dear Candidate, Please find attached JD for your reference, If interested please share your updated resume alomg with below mentioned required details: Labs (SPE) Experience Level: 3+ Years Required Skills: Strong understanding of 4G/5G protocols and end-to-end network workflows for effective testing. Experience setting up large scale 5G Core network labs for 4G and 5G networks. In-depth knowledge and documented work experience with core functions such as UPF, SMF,AMF, NRF, NSSF, PCF, UDM, AUSF, IMS, VOLTE, MCPTT Proven work experience in 5G, CUPS, and LTE technologies. Excellent knowledge of Core network protocols used for 5G Core and EPC Network. AAA, RADIUS, Diameter, EAP-AKA, 5G-AKA, LTE...

A highly skilled Core Systems Test Engineer is needed with expertise in designing, executing, and automating tests for core network infrastructure and services. Your role will involve validating, troubleshooting, and optimizing core systems like IMS, EPC (Evolved Packet Core), and 5G Core. You must ensure the seamless integration and performance of core network components, meeting functional, performance, and security standards. Your focus should be on driving improvements in testing strategies and methodologies to deliver high-quality results while prioritizing system reliability and performance. Your essential duties and responsibilities will include performing system integration and inter...

Design, implement, and manage complex IP networks, focusing on switching and routing related to Kubernetes, 5G Core, Radio and other telco grade applications. Collect/Analyze/Deliver the requirement from BAs and MAs and be a key instrument in delivery of the agreed solutions from IP side. Experience on 3pp Networking gear, Cisco, Juniper, Extreme , Good to have Ericsson R66xx series experience. Develop and maintain firewall rules to ensure network security and compliance. Troubleshoot and resolve network issues promptly to minimize downtime and maintain service quality. Configure and deploy new network hardware to support business growth and technology upgrades. Conduct IP planning to optimi...

Strong Experience in 5G Core Network AMF, SMF UDR, SMF, NGAP, Xn) or LTE EPC (MME, PGW, SGW etc) Development of 4G/5G core Experience Excellent C/C++ Programming Skills

As 5G Presales specialist, you will play a crucial role in presales to enhance sales efficiency, customer engagement, and overall business growth. Responsibilities :- • Respond to a request for information ( RFIs) or request for proposals ( RFPs) from customers. Work on the techno-commercial proposals along with sales and engineering teams. • Create the proposals and WIN those proposals technically and commercially • Provide technical assistance and guidance during the presales process by identifying customers technical and business requirements, prior to designing a solution, consulting with technical teams about capabilities, and supporting business sales teams, account managers and partne...

We are seeking an experienced and detail-oriented QA Test Engineer with expertise in 5G Core and Radio Access Network (RAN) technologies. The ideal candidate will be responsible for testing and validating 5G network solutions, ensuring the quality, performance, and reliability of both Core and RAN components. You will work closely with cross-functional teams to design and execute test cases, troubleshoot issues, and contribute to the development of robust 5G solutions.

Role & responsibilities Job Description Overview: We are seeking an experienced and highly skilled C/C++ Senior Software Engineer to join our dynamic development team. Strong Experience in 5G Core Network AMF, SMF,UPF,PCF) or LTE EPC (MME, PGW, SGW etc) Responsibilities: Coding: Design, develop, and maintain software in C/C++, including but not limited to 4G/5G core network elements Strong Experience in 5G Core Network AMF, SMF,UPF,PCF) or LTE EPC (MME, PGW, SGW etc) Problem Solving Optimization : Analyse complex technical problems, troubleshoot issues, and provide innovative solutions. Optimize critical performance areas, memory usage, and multithreading for high-performance applications. C...

E2E/Core KPI Engr (8+yrs) exp in 5G Core/IMS, ORAN, E2E call flows, Cloud(NFV,Docker,K8s),KPI Mgmt,SQL,Python,Tableau,Grafana,Prometheus,troubleshooting & service quality enhancemt. C2H via TE Infotech (DishNetworks), Noida. @ssankala@toppersedge.com

E2E/Core KPI Engr (8+yrs) exp in 5G Core/IMS, ORAN, E2E call flows, Cloud(NFV,Docker,K8s),KPI Mgmt,SQL,Python,Tableau,Grafana,Prometheus,troubleshooting & service quality enhancemt. C2H via TE Infotech (DishNetworks), Noida. @ssankala@toppersedge.com