6 5G Core Jobs

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 interoperability tests, supporting customer acceptance tests, and providing field deployment support for NFV-based 5G SA/NSA core systems. The team is specifically interested in candidates with expertise in Mobile Networks Subscriber and Policy Operations, including experience with subscriber database migration. You will be responsible for system-level feature integration and verification, inter-operability tests with external elements, developing and executing test plans, troubleshooting and analyzing problems in customers" lab and production systems, new system deployment and commissioning, and migration of network systems. Qualifications: - BS/BE in Computer Science or Computer Engineering major with a minimum of 5 years of telecommunication industry experience; OR - MS in Computer Science or Computer Engineering major with 3 years of telecommunication experience - Hands-on experience in technical support, troubleshooting, and operational support of 3G/4G mobile subscriber and policy management systems (HLR/HSS) - Experience in configuration, troubleshooting, and analysis of end-to-end flow and processes between user SIM, subscriber management UI/portal, and HLR/HSS - Proficiency in LTE and 5GC call flow diagnostics - Expertise in using Wireshark or other IP protocol analyzers - In-depth understanding of EPC and SA/NSA 5GC architecture - Experience in debugging LTE and 5G SA/NSA call flows - Hands-on experience in the operational management of mobile network subscriber and policy management systems - Familiarity with the service-based architecture and 5G SA cloud-native core network functions - Knowledge of LTE core interfaces such as S1, S6a, S11, DNS, Gx, Gy, S2a, S5/S8, S6b, SGi, S1-U, NAS, GTP-U, GTP, DIAMETER, RADIUS, etc. - Understanding of SIP, IMS, and IP telephony standards Job Type: Full-time Benefits: - Health insurance - Paid time off - Work from home Work Location: In person,

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 optimize network performance and address future capacity needs. Create High-Level Designs (HLD) and Low-Level Designs (LLD) for network projects. Collaborate with cross-functional teams to integrate telecom solutions into existing infrastructure. Provide technical guidance and support for network-related projects, ensuring alignment with business objectives. Manage the installation and configuration of networking equipment such as routers, switches, and firewalls. Monitor network performance and implement improvements to enhance efficiency and reliability. Document network configurations, procedures, and policies to support operational excellence. Coordinate with vendors and service providers for hardware and software procurement. Support the implementation of network changes and upgrades while minimizing business impact. Provide after-hours support and be part of an on-call rotation to address critical network issues. The skills you bring: Lead by example, fostering a collaborative and innovative work culture within the team, keeping Ericsson values and Focus Areas in centerstage in day to day work. Exhibit strong communication skills, ensuring clear and effective communication with team members, stakeholders, and management. Empower team members through mentorship, coaching, and professional development, encouraging continuous learning and growth. Promote a customer-centric approach, ensuring solutions align with business objectives and meet customer needs. Manage team resources, project timelines, and deliverables, with a focus on achieving project goals and milestones.

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 partners on proposal activities. • To attend meetings with potential Clients to determine technical and business requirements and ensuring that all necessary information is collated prior to producing a solution • Promote cross selling and upselling with sales teams. • Create and confidently deliver technical presentations internally and externally • Able to understand business drivers and risks involved to the customer • To structure and produce compelling technical proposals/commercial and technical documentation • Ability to demonstrate products and technologies effectively and articulate the proposals Skills- • Technical Domain Experience in latest Digital Technologies including FPGA, RFSOC, 5G/Antenna • Must be familiar with product design process e.g Product Development Lifecycle and SDLC • Must be familiar with RAN products and Software e.g. RU internal architecture, DU internal architecture , RANProtocol Stack etc. • Experience in cost estimation, technical architecture and engineering proposals that meets client's requirement. • Previous experience of requirements gathering, design and solution building and the ability to replicate this in a commercial setting • Good communication skills • Builds productive relationships internally and externally, fostering teamwork by keeping colleagues updated on activities.

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. Collaboration : Work closely with cross-functional teams, including Product Management, Quality Assurance, and Operations, to define project requirements, ensure timely delivery, and maintain high-quality software solutions. Documentation : Create and maintain technical documentation e.g., code documentation to ensure clarity and knowledge sharing across the team. Continuous Improvement : Stay updated on industry trends, new tools, and technologies related to C/C++ programming, and propose their integration into projects when appropriate. Foster a culture of continuous learning and process improvement. Contribute to the design and implementation of system integration, testing, and validation in both simulation and live network environments. Required Qualifications: Education : Bachelors or master’s degree in computer science, Engineering, or related field, or equivalent practical experience. Experience : At least 3-9 years of hands-on experience in C/C++ programming, with a strong understanding of low-level programming concepts. In-depth knowledge of system-level programming, memory management, multithreading, and performance optimization in C/C++. Technical Skills : In-depth knowledge of system-level programming, memory management, multithreading, and performance optimization in C/C++. Familiarity with version control systems (e.g., Git), build systems (e.g., Make, CMake), and continuous integration tools. Excellent debugging skills using GDB, Wireshark. Experience in Socket programming, Message Queue, Multi-threading Experience in system architecture, code reviews and microservice architecture. Soft Skills : Strong problem-solving abilities and attention to detail. Excellent communication skills to articulate complex technical concepts to both technical and non-technical stakeholders. Ability to work well under pressure and manage multiple priorities. Preferred candidate profile