35 Sgsn Jobs - Page 2

Working knowledge in 2G,3G ,4G/LTE 5GTechnology. Managing PS Core Nodes (SGSN, MME, GGSN, S/PGW, PCC(AMF,SMF) PCRF, PCEF,WMG, DNS .) for the PS Core Network. Experience in Ericsson packet nodes like SGSN-MME,EPG , WMG ,DRA Preference will be given for expert in handling Ericsson PS NE s. Performing Change management and Fault management activities in PS core elements. Managing all PS Core domain activities and to ensure consistency and continuity across the business. Participate in technical discussion during Critical and major network outages and other domain for PS core dependency activities. Providing 24/7 operations support and guiding the team members. Flexible to come in shift and handle the shift operations hassle free. Ensure compliance with all applicable policies regulatory requirements on Information Security. Adhere to ITIL process and regulations. Hands on Experience in configuration and fault management of packet core nodes like SGSN,MME,EPG,DRA,DNS etc Knowledge on VOLTE,VOWIFI call flow and exposure in evolving technologies like Cloud, SDN , Iot and 5GC

You will contribute as a skilled Packet Core Specialist expert responsible for one or more key functions like Fault, Configuration, Performance, and Security. You will work independently within global guidelines, solve complex problems, and contribute to process improvements. You will also mentor and advisor, take responsibility for high-risk procedures, and collaborate with internal and external stakeholders to ensure seamless delivery of MS services. You have: 9-12 years with a bachelors degree in Telecommunications, Network Engineering, Computer Science, or a related field. Proven experience in packet core network design and planning for mobile and broadband networks, including EPC and 5G Core technologies. Expertise in packet core network elements such as MME, SGW, PGW, UPF, PCRF, and their interworking in both 4G and 5G environments. Experience with network optimization, traffic modeling, and capacity planning tools. It would be nice if you also had: Good analytical and problem-solving skills, with the ability to diagnose and resolve complex network issues. Knowledge of cloud technologies and virtualization (e.g., NFV, SDN, cloud-native 5G) is a plus. Excellent communication skills and the ability to collaborate effectively with cross-functional teams. You will lead the design and planning of packet core network architectures, including EPC (Evolved Packet Core), 5G Core, and other related technologies, ensuring scalability, security, and performance. You will perform capacity planning for packet core elements (e.g., MME, SGW, PGW, UPF) and ensure efficient resource allocation and utilization. Optimize network design to accommodate traffic growth while meeting quality of service (QoS) requirements. You will Collaborate with the implementation and operations teams to integrate new packet core components and technologies into existing networks. Oversee the testing and validation of network configurations and integrations. You will utilize traffic modeling tools and simulations to forecast future demand on the packet core network and identify potential bottlenecks or performance issues. You will design and implement security measures for packet core networks, including encryption, firewalls, and access control mechanisms, to safeguard data and ensure compliance with industry standards and regulations. You will work with vendors to select appropriate hardware, software, and technologies for packet core network infrastructure. Manage vendor relationships and ensure that vendors meet performance and delivery expectations. You will monitor packet core network performance using network management and monitoring tools. Analyze performance data to troubleshoot issues and propose solutions to optimize the network.

In this role, you will manage a team of one of Solution Area and bring thought leadership in customer engagement. Candidate will also be responsible for quality delivery and delivery project KPI tracking and adhering, manage Nokia's Internal Stake holder engagements with solution capabilities from multiple sources and technologies, build understanding and preference for Nokia products and solutions by influencing regional team decisions and strategic direction, demonstrate significant operational as well as commercial knowledge of clients' business and uses this to build credibility as well as identify sales opportunities, define new & innovative delivery model and package integrated solutions not only limited to Nokia Net's portfolio Leads training, development. You have: Bachelor's or master's degree in computer science, Software Engineering, or a related field. Around 14+ years of experience in Packet Core Projects Knowledge or experience of Packet Core EquipmentMME, S/PGW, AMF, SMF, UPF Knowledge or experience of Nokia Packet Core equipmentcMM, cMG, NRD Understanding of Technical Notes, Protocol Specs, Method of Procedure It would be nice if you also had: Linux knowledge is an advantage Basic understanding ofProject Management skill is an advantage Work in several technology areas with intermediate to advanced skill level or with one technology area at an advanced skill level. Create implementation plan and technical infrastructure documents. Work according to the Systems Integration (SI) delivery process, create test strategy and test cases. Contribute to gather customer requirements, analysis, feature specification and requirement feasibility study, contribute to migration procedures. Contribute to knowledge documentation in various tools like Sharepoint, ShareInside, Yammer, ShareNet, discussion forums. Work autonomously and effectively in a mixed environment and uses best practices and knowledge of internal or external business issues to improve products or services. Use advanced analytical skills to solve complex problems or problems that do not have routine solutions and takes a new perspective. May lead projects with manageable risks and resource requirements or small teams, handles day-to-day staff management issues, including resource management and allocation of work.

This role involves the development and application of engineering practice and knowledge in designing, managing and improving the processes for Industrial operations, including procurement, supply chain and facilities engineering and maintenance of the facilities. Project and change management of industrial transformations are also included in this role. - Grade Specific Focus on Industrial Operations Engineering. Fully competent in own area. Acts as a key contributor in a more complex/ critical environment. Proactively acts to understand and anticipates client needs. Manages costs and profitability for a work area. Manages own agenda to meet agreed targets. Develop plans for projects in own area. Looks beyond the immediate problem to the wider implications. Acts as a facilitator, coach and moves teams forward. Skills (competencies)

Join our Team About this opportunity: We are seeking a highly skilled Architect for Cloud and core domain in the dynamic field of telecommunications. As a key contributor to team, the ideal candidates will play a pivotal role in designing, implementing, and leading the evolution of Cloud and core infrastructure in a rapidly changing landscape. What you will do: Creates principles, models, and guidelines from strategies. Convert requirements to a cost-efficient solution architecture compliant to architectural principles, models and guidelines ensuring consistency between business, information, and technology. The Architect interacts with internal stakeholders and external customers to define and provide solutions enhancing their competitive position. The Architect acts as an internal consultant for the many IT areas. The skills you bring: Excellent working knowledge of CEE,5GC,LTE,Openstack, Openshift and Kubernetes architecture, interfaces and procedures. Hands-on with virtual/containerized deployment and troubleshooting of Ericsson 5GC with e2e call flow. Understanding of PCC, PCG,UDM and 5GC architecture. Excellent Working knowledge of 4G and 5G Core nodes and legacy packet cores (MSC, SGSN) Experience in telecom 5G/UDM environment support at least 5-6 yrs of exp. Experience of operation team in Packet/ Circuit core networking and NFV around EPC over LTE Knowledge of 5G, from RAN , Core SBA perspective Sound knowledge of 5GC EPC, IMS, SIP, Diameter Protocols, LTE interfaces. Sound Understanding of telecom protocols. Working level understanding of tools like Wireshark, Dallas Traffic simulator. Experience with ITIL ways of working, Able to handle incidents and work on Problem Management tickets. Upgrade and configure system software that supports infrastructure applications or Asset Management applications per project or operational needs. Experience on multiple Linux flavors, Red hat, Centos, Ubuntu. Why join Ericsson? What happens once you apply? Click Here to find all you need to know about what our typical hiring process looks like. Encouraging a diverse and inclusive organization is core to our values at Ericsson, thats why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more. Primary country and city: India (IN) || Gurgaon Req ID: 766177

About this opportunity: We are seeking a highly skilled Architect for Cloud and core domain in the dynamic field of telecommunications. As a key contributor to team, the ideal candidates will play a pivotal role in designing, implementing, and leading the evolution of Cloud and core infrastructure in a rapidly changing landscape. What you will do: Creates principles, models, and guidelines from strategies. Convert requirements to a cost-efficient solution architecture compliant to architectural principles, models and guidelines ensuring consistency between business, information, and technology. The Architect interacts with internal stakeholders and external customers to define and provide solutions enhancing their competitive position. The Architect acts as an internal consultant for the many IT areas. The skills you bring: Excellent working knowledge of CEE,5GC,LTE,Openstack, Openshift and Kubernetes architecture, interfaces and procedures. Hands-on with virtual/containerized deployment and troubleshooting of Ericsson 5GC with e2e call flow. Understanding of PCC, PCG,UDM and 5GC architecture. Excellent Working knowledge of 4G and 5G Core nodes and legacy packet cores (MSC, SGSN) Experience in telecom 5G/UDM environment support at least 5-6 yrs of exp. Experience of operation team in Packet/ Circuit core networking and NFV around EPC over LTE Knowledge of 5G, from RAN , Core SBA perspective Sound knowledge of 5GC EPC, IMS, SIP, Diameter Protocols, LTE interfaces. Sound Understanding of telecom protocols. Working level understanding of tools like Wireshark, Dallas Traffic simulator. Experience with ITIL ways of working, Able to handle incidents and work on Problem Management tickets. Upgrade and configure system software that supports infrastructure applications or Asset Management applications per project or operational needs. Experience on multiple Linux flavors, Red hat, Centos, Ubuntu. Why join Ericsson? What happens once you apply? Click Here to find all you need to know about what our typical hiring process looks like. Primary country and city: India (IN) || Gurgaon Req ID: 766177

Job TitleStaff Engineer – RAN Testing LocationBangalore Work EmploymentFull time DepartmentWireless DomainTesting Reporting toPrincipal Engineer About Us: Tejas Networks is a global broadband, optical and wireless networking company, with a focus on technology, innovation and R&D. We design and manufacture high-performance wireline and wireless networking products for telecommunications service providers, internet service providers, utilities, defence and government entities in over 75 countries. Tejas has an extensive portfolio of leading-edge telecom products for building end-to-end telecom networks based on the latest technologies and global standards with IPR ownership. We are a part of the Tata Group, with Panatone Finvest Ltd. (a subsidiary of Tata Sons Pvt. Ltd.) being the majority shareholder. Tejas has a rich portfolio of patents and has shipped more than 900,000 systems across the globe with an uptime of 99.999%. Our product portfolio encompasses wireless technologies (4G/5G based on 3GPP and O-RAN standards), fiber broadband (GPON/XGS-PON), carrier-grade optical transmission (DWDM/OTN), packet switching and routing (Ethernet, PTN, IP/MPLS) and Direct-to-Mobile and Satellite-IoT communication platforms. Our unified network management suite simplifies network deployments and service implementation across all our products with advanced capabilities for predictive fault detection and resolution. As an R&D-driven company, we recognize that human intelligence is a core asset that drives the organization’s long-term success. Over 60% of our employees are in R&D, we are reshaping telecom networks, one innovation at a time. Why join Tejas: We are on a journey to connect the world with some of the most innovative products and solutions in the wireless and wireline optical networking domains. Would you like to be part of this journey and do something truly meaningful? Challenge yourself by working in Tejas’ fast-paced, autonomous learning environment and see your output and contributions become a part of live products worldwide. At Tejas, you will have the unique opportunity to work with cutting-edge technologies, alongside some of the industry’s brightest minds. From 5G to DWDM/ OTN, Switching and Routing, we work on technologies and solutions that create a connected society. Our solutions power over 500 networks across 75+ countries worldwide, and we’re constantly pushing boundaries to achieve more. If you thrive on taking ownership, have a passion for learning and enjoy challenging the status quo, we want to hear from you! Who we are This team is responsible for Platform and software validation for the entire product portfolio. They will develop automation Framework for the entire product portfolio. Team will develop and deliver customer documentation and training solutions. Compliance with technical certifications such as TL9000 and TSEC is essential for ensuring industry standards and regulatory requirements are met. Team works closely with PLM, HW and SW architects, sales and customer account teams to innovate and develop network deployment strategy for a broad spectrum of networking products and software solutions. As part of this team, you will get an opportunity to validate, demonstrate and influence new technologies to shape future optical, routing, fiber broadband and wireless networks. What you work: You will have ownership to develop test cases primarily for eNodeB functionalities to meet customer requirements complying to 3GPP standard. Analyze the use cases/requirements for LTE related requests from customer and deployment engineers. Augment tests with feedback from Customer deployments. Analyze the field queries and give the solutions. Log analysis, Performance, Capacity and Soak testing. Raising bugs and getting the issues fixed in co-ordination with development team. Mandatory skills: BE/B.Tech./M.Tech. (EC/EE/CS) Degree with 1o+ yrs. Working experience in LTE/4G enodeB verification cycle by validating 3GPP protocols, call flow, end to end traffic throughput requirements. Deep working knowledge Wireless Packet Core Standards testing, IETF Standards, VoLTE, IMS server, EPC core, RRH, Handover testing Desired skills: Should have work experience in eNodeB/gNodeB/UE L1 SW development. Familiar with any RAN Platform architecture, L1 Schedulers Should be familiar with air interface, S1AP, Mobility and LTE stack. Should have good Debugging and Troubleshooting and log analysis skills. Preferred Qualifications Experience 10 to 14 years’ experience from Telecommunication or Networking background. Education Tech/BE (CSE/ECE/EEE/IS) or any other equivalent degree Candidate should have good coding skills in C/C++ Diversity and Inclusion Statement : Tejas Networks is an equal opportunity employer. We celebrate diversity and are committed to creating all-inclusive environment for all employees. We welcome applicants of all backgrounds regardless of race color, religion, gender, sexual orientation, age or veteran status. Our goal is to build a workforce that reflects the diverse communities we serve and to ensure every employee feels valued and respected.

Job TitleLead Engineer – RAN Testing LocationBangalore Work EmploymentFull time DepartmentWireless DomainTesting Reporting toStaff Engineer About Us: Tejas Networks is a global broadband, optical and wireless networking company, with a focus on technology, innovation and R&D. We design and manufacture high-performance wireline and wireless networking products for telecommunications service providers, internet service providers, utilities, defence and government entities in over 75 countries. Tejas has an extensive portfolio of leading-edge telecom products for building end-to-end telecom networks based on the latest technologies and global standards with IPR ownership. We are a part of the Tata Group, with Panatone Finvest Ltd. (a subsidiary of Tata Sons Pvt. Ltd.) being the majority shareholder. Tejas has a rich portfolio of patents and has shipped more than 900,000 systems across the globe with an uptime of 99.999%. Our product portfolio encompasses wireless technologies (4G/5G based on 3GPP and O-RAN standards), fiber broadband (GPON/XGS-PON), carrier-grade optical transmission (DWDM/OTN), packet switching and routing (Ethernet, PTN, IP/MPLS) and Direct-to-Mobile and Satellite-IoT communication platforms. Our unified network management suite simplifies network deployments and service implementation across all our products with advanced capabilities for predictive fault detection and resolution. As an R&D-driven company, we recognize that human intelligence is a core asset that drives the organization’s long-term success. Over 60% of our employees are in R&D, we are reshaping telecom networks, one innovation at a time. Why join Tejas: We are on a journey to connect the world with some of the most innovative products and solutions in the wireless and wireline optical networking domains. Would you like to be part of this journey and do something truly meaningful? Challenge yourself by working in Tejas’ fast-paced, autonomous learning environment and see your output and contributions become a part of live products worldwide. At Tejas, you will have the unique opportunity to work with cutting-edge technologies, alongside some of the industry’s brightest minds. From 5G to DWDM/ OTN, Switching and Routing, we work on technologies and solutions that create a connected society. Our solutions power over 500 networks across 75+ countries worldwide, and we’re constantly pushing boundaries to achieve more. If you thrive on taking ownership, have a passion for learning and enjoy challenging the status quo, we want to hear from you! Who we are This team is responsible for Platform and software validation for the entire product portfolio. They will develop automation Framework for the entire product portfolio. Team will develop and deliver customer documentation and training solutions. Compliance with technical certifications such as TL9000 and TSEC is essential for ensuring industry standards and regulatory requirements are met. Team works closely with PLM, HW and SW architects, sales and customer account teams to innovate and develop network deployment strategy for a broad spectrum of networking products and software solutions. As part of this team, you will get an opportunity to validate, demonstrate and influence new technologies to shape future optical, routing, fiber broadband and wireless networks. What you work: You will have ownership to develop test cases primarily for eNodeB functionalities to meet customer requirements complying to 3GPP standard. Analyze the use cases/requirements for LTE related requests from customer and deployment engineers. Augment tests with feedback from Customer deployments. Analyze the field queries and give the solutions. Log analysis, Performance, Capacity and Soak testing. Raising bugs and getting the issues fixed in co-ordination with development team. Mandatory skills: BE/B.Tech./M.Tech. (EC/EE/CS) Degree with 6+ yrs. Working experience in LTE/4G enodeB verification cycle by validating 3GPP protocols, call flow, end to end traffic throughput requirements. Deep working knowledge Wireless Packet Core Standards testing, IETF Standards, VoLTE, IMS server, EPC core, RRH, Handover testing Desired skills: Should have work experience in eNodeB/gNodeB/UE L1 SW development. Familiar with any RAN Platform architecture, L1 Schedulers Should be familiar with air interface, S1AP, Mobility and LTE stack. Should have good Debugging and Troubleshooting and log analysis skills. Preferred Qualifications Experience 6 to 10 years’ experience from Telecommunication or Networking background. Education Tech/BE (CSE/ECE/EEE/IS) or any other equivalent degree Candidate should have good coding skills in C/C++ Diversity and Inclusion Statement : Tejas Networks is an equal opportunity employer. We celebrate diversity and are committed to creating all-inclusive environment for all employees. We welcome applicants of all backgrounds regardless of race color, religion, gender, sexual orientation, age or veteran status. Our goal is to build a workforce that reflects the diverse communities we serve and to ensure every employee feels valued and respected.

About this opportunity: We are looking for a skilled Telecom Billing Mediation Specialist to manage and optimize the mediation process between network elements and the postpaid billing system. What you will do: Implement rules for data filtering, deduplication, and enrichment before sending to the billing system. Work with network, IT, and billing teams to ensure smooth integration between mediation and billing platforms. Optimize mediation rules to handle high-volume CDR processing efficiently. Perform data reconciliation between network elements, mediation, and billing systems. Investigate and resolve discrepancies in mediation and billing data. Monitor system health, troubleshoot issues, and ensure high availability of mediation services. Conduct root cause analysis (RCA) for mediation-related issues and implement corrective actions. You will bring: Hands-on experience with billing mediation platforms (e.g. Amdocs Mediation, IBM, HP Openet, etc.) Proficiency in SQL, Linux/Unix scripting, and data transformation tools. Familiarity with ETL processes, data parsing, and API integrations. Solid understanding of telecom postpaid billing systems (e.g., Amdocs, HP, Oracle BRM). Knowledge of network elements (MSC, MME, SGSN, GGSN, PCRF, OCS, IN) and their impact on mediation. Awareness of revenue assurance and fraud detection in telecom billing. Key Qualification: Bachelor s degree in computer science, E.C.E Telecommunications. 7+ years of experience in telecom billing mediation. Experience in cloud-based mediation solutions (AWS, Azure, GCP) is a plus. Knowledge of 5G mediation and real-time charging architectures is an advantage. We encourage you to consider applying to jobs where you might not meet all the criteria. We recognize that we all have transferrable skills, and we can support you with the skills that you need to develop. Primary country and city: India (IN) || Noida Job details: MS Core and Cloud Specialist Job Stage: Job Stage 6 Primary Recruiter: Shivani Sah Hiring Manager:

We are now looking for BO Operations Engineer who will handle and operate on a large scale "CS & PS network and CS & PS network Infrastructure" network by performing all level-2 operation activities plus creating internal knowledge bases sessions for information sharing purposes What you will do Fault management including TT handling and fault localization within SLA Configuration activities for new services Incident recovery within SLA Preventive and corrective maintenance activities Network configuration audits 2nd level operation engineers performance during shift time and share the knowledge and proper guidelines to assure their work quality and process consistency You will bring 7 to 14 years of experience in Telecommunications. Domain experience: (CS core / Packet core) at least 5-8 years. A clear understanding of 3GPP standards and different protocols, like SIP, Diameter, BICC, SIGTRAN ,CAMEL,MAP , ..etc Clear understanding for 2G/3G/4G core network nodes, protocols and signaling flow Detailed understanding of different voice core scenarios and signalling flows Detailed understanding of different data core scenarios and signalling flows Strong hands-on experience in O&M of different Voice Core CS nodes like MSC, MGWs, STP, UDC, APG, etc Good knowledge of Virtualization, Cloud NFVI, and NFVO is highly preferred. Very good knowledge of Packet Core nodes, SGSN-MME, GGSN (EPG), SAPC (PCRF) Very good understanding of Cloud technology and infrastructure Knowledge Good Understanding of Packet Core surrounding Nodes (Like IMS, OCC, IPWorks DNS, Charging Nodes) 5GSA and 5G NSA technologies understanding Roaming Data and call flow deep knowledge along with GRX part understanding IMS call flows Excellent IP background MPBN Knowledge Very good knowledge of Linux Excellent analytical & presentation skills. Plan and execute context specific analysis and problem-solving framework in collaboration with stakeholders and vendors. Innovate and implement experimental ideas and concepts to deliver value to the end consumers. Day to Day issue handling and reporting. Self-driven, self-motivated, ambitious, effective, and efficient in customer service skills Must have Good Communication skills (verbal & written) & Customer handling capabilities.