28 Sctp Jobs

Investigate and resolve production issues. Troubleshoot technical issues or questions reported by customers. Perform root cause analysis for production errors. Develop scripts to automatically verify end-to-end operation of integrations. Required Candidate profile Working knowledge of databases and SQL. Willingness to learn Ruby on Rails. Diligence, quality-focused, and analytical skills. Proactive in contributing to organizational success. Perks and benefits Travel benefits. Paid sick leave. Gratuity.

You are a skilled and experienced EPC Developer being sought to join the product engineering team focusing on constructing a high-performance, standards-compliant 4G/5G core network stack. Your role will involve contributing to the development of indigenous telecom technology, aiming to provide reliable and scalable LTE/5G connectivity. Your primary responsibilities will include designing, developing, and maintaining core network elements such as MME, SGW, PGW, and PCRF. You will also be tasked with developing and testing 3GPP LTE EPC / 5G NSA protocol stacks and components, optimizing signaling and data paths for high performance and low latency, conducting integration and interoperability testing with RAN and IMS systems, as well as troubleshooting network issues and implementing bug fixes effectively. To excel in this role, you must possess strong programming skills in C/C++ with expertise in multithreading. A deep understanding of protocols such as TCP/IP, UDP, SCTP, GTP, IPC, SIP, RTP, and Diameter is essential. Proficiency in socket programming and network debugging is required, along with a sound knowledge of 3GPP LTE/5G NSA architecture and end-to-end call flows. Preferred skills for this position include experience in the Telecom domain, particularly with 4G and 5G Core technologies, and familiarity with integration across EPC and IMS domains.,

Job Title Analyze L7 Security Gateway ITG Environment & SetupExperience 8-10 YearsLocation Bangalore : Analyze L7 Security GatewayITG Environment & Setup Understand existing UID setup Onboard to CP OKTA and modify SAML metadata and config to integration with CP OKTA Testing CP OKTAfor external user Testing WF OKTA for internal user UAT MTP Hypercare Certifications Needed: NA Skills PRIMARY COMPETENCY Information Security PRIMARY Security Design & Integration PRIMARY PERCENTAGE 60 SECONDARY COMPETENCY Information Security SECONDARY Identity & Access Management SECONDARY PERCENTAGE 40

As an EPC Developer for 4G/5G Core Network, you will be a valuable member of our product engineering team based in Delhi/Gurgaon. With 2 to 12 years of experience, you will play a crucial role in developing a high-performance, standards-compliant 4G/5G core network stack. Your primary focus will be on contributing to the advancement of indigenous telecom technology, dedicated to providing dependable and scalable LTE/5G connectivity. Your responsibilities will include designing, developing, and maintaining core network elements like MME, SGW, PGW, and PCRF. You will be involved in developing and testing 3GPP LTE EPC / 5G NSA protocol stacks and components, optimizing signaling and data paths for enhanced performance and reduced latency, as well as conducting integration and interoperability testing with RAN and IMS systems. Additionally, you will troubleshoot network issues and implement efficient bug fixes. To excel in this role, you should possess strong programming skills in C/C++ with a background in multithreading. A deep understanding of various protocols such as TCP/IP, UDP, SCTP, GTP, IPC, SIP, RTP, and Diameter is essential. Proficiency in socket programming, network debugging, and a solid grasp of 3GPP LTE/5G NSA architecture and end-to-end call flows are required skills. Preferred skills for this position include prior experience in the Telecom domain, particularly with 4G and 5G Core technologies, and familiarity with integration across EPC and IMS domains. Join us in shaping the future of telecommunications with innovative solutions and cutting-edge technology.,

Role Wireless engineer Experience 4+ years Location Delhi/NCR, Hyderabad /anywhere in india JD In depth knowledge of 4G Wireless Packet Core equipment, standards, dimensioning, forecasting and modelling. A solid grounding in all interface and protocol standards in the SAE/LTE core domain such as IP, GTP, SCTP, UDP, GRE, Radius and Diameter. Demonstrated skills in using Mapinfo and PGW, SGW, Wireless Aggregation Switch planning tools X Experience in using the Oracle, Tableau and other Business Intelligence tools. Demonstrated experience in network performance data collection, database management and analytics X Network stats and counters collection and analysis X Network benchmarking pre and post feature implementation

About The Role Project Role : Tech Delivery Subject Matter Expert Project Role Description : Drive innovative practices into delivery, bring depth of expertise to a delivery engagement. Sought out as experts, enhance Accentures marketplace reputation. Bring emerging ideas to life by shaping Accenture and client strategy. Use deep technical expertise, business acumen and fluid communication skills, work directly with a client in a trusted advisor relationship to gather requirements to analyze, design and/or implement technology best practice business changes. Must have skills : 5G Wireless Networks & Technologies Good to have skills : NAMinimum 5 year(s) of experience is required Educational Qualification : 15 years full time educationJob Title:5G Core Network Specialist (Nokia/Ericsson)Location:Delhi-NCR/Bangalore Job Type:[Full-Time]Department:Core Network Engineering / Mobile Network OperationsReports To:Senior Manager Core Network / Director Network Engineering Summary :We are looking for a highly experienced and technically proficient 5G Core Network Specialist to join our advanced telecommunications team. The ideal candidate will have deep expertise in Nokia or Ericsson 5G Core Network solutions, including deployment, integration, optimization, and lifecycle management of 5G SA (Standalone) and NSA (Non-Standalone) architectures. This role is critical in ensuring the robustness, scalability, and performance of our next-generation mobile core infrastructure.Roles and Responsibilities:1. Network Design & ArchitectureDesign and document 5G Core Network architecture including AMF, SMF, UPF, AUSF, UDM, NRF, PCF, NSSF, and NEF.Define network topologies, IP planning, and interface configurations (N1, N2, N3, N4, N6, N10, N11, N12, N13, N14, N15, N22).Collaborate with planning teams to define capacity, redundancy, and scalability strategies.2. Deployment & IntegrationLead the deployment and integration of Nokia or Ericsson 5G Core nodes in lab and production environments.Configure and onboard network functions (VNFs/CNFs) on NFVI or cloud-native platforms (OpenStack, VMware, Kubernetes).Integrate 5G Core with RAN, IMS, OSS/BSS, and external systems (e.g., Lawful Interception, Charging, PCRF).3. Operations & MaintenanceMonitor and manage 5G Core KPIs, alarms, and logs using vendor-specific tools (e.g., Nokia NetAct, Ericsson ENM).Perform software upgrades, patch management, and system backups.Troubleshoot signaling and data path issues using tools like Wireshark, NetAct Trace, or Ericsson Trace Tool.4. Performance OptimizationAnalyze network performance reports and proactively identify bottlenecks or degradation.Tune parameters for optimal throughput, latency, and session management.Collaborate with RAN and transport teams to ensure end-to-end service quality.5. Automation & ScriptingDevelop automation scripts for configuration, monitoring, and reporting using Python, Ansible, or Bash.Support CI/CD pipelines for network function deployment and testing.6. Documentation & ComplianceMaintain detailed documentation of configurations, change logs, and operational procedures.Ensure compliance with security policies, data protection regulations, and telecom standards (3GPP, ETSI, GSMA).Technical experience and Professional Attributes:Minimum 6-9 years of experience in mobile core networks, with 2+ years in 5G Core (SA/NSA).Proven hands-on experience with Nokia or Ericsson 5G Core Network components.Strong understanding of 3GPP Release 15/16/17 standards and 5G architecture.Proficiency in protocols:SCTP, HTTP/2, GTP-U/C, Diameter, PFCP, TCP/IP, TLS.Experience with NFV/SDN, cloud-native environments, and container orchestration (Docker, Kubernetes).Familiarity with network slicing, edge computing, and service-based architecture (SBA).Preferred Skills & Certifications:Nokia NSP/5G Certification or Ericsson Certified Expert 5G Core.Certifications in Linux, CCNA/CCNP, VMware, or OpenStack.Experience with CI/CD tools (Git, Jenkins), monitoring tools (Prometheus, Grafana), and automation frameworks (Ansible, Terraform).Knowledge of IMS, VoNR, VoLTE, and interworking with legacy networks.Soft Skills: Strong analytical and problem-solving skills.Excellent communication and documentation abilities.Ability to work independently and collaboratively in a fast-paced environment.Willingness to participate in on-call rotations and support critical incidents. Educational Qualifications:15 years of education, Bachelors or Masters degree in Telecommunications, Electronics, Computer Science, or related field. Additional Information:Team Player Qualification 15 years full time education

About The Role Project Role : Engineering Services Practitioner Project Role Description : Assist with end-to-end engineering services to develop technical engineering solutions to solve problems and achieve business objectives. Solve engineering problems and achieve business objectives using scientific, socio-economic, technical knowledge and practical experience. Work across structural and stress design, qualification, configuration and technical management. Must have skills : 5G Wireless Networks & Technologies Good to have skills : AWS Core Infrastructure, Red Hat Cloud Architecture and DesignMinimum 7.5 year(s) of experience is required Educational Qualification : 15 years full time educationJob Title:5G Core Network Specialist Team Lead / Associate Manager (Nokia/Ericsson)Location:Delhi-NCR/ BangaloreJob Type:[Full-Time]Department:Core Network Engineering / Mobile Network OperationsTeam Size:410 Engineers (depending on project scope) Summary :We are seeking a dynamic and technically proficient 5G Core Network Specialist Team Lead / Associate Manager to lead a team of engineers in the design, deployment, and optimization of Nokia or Ericsson 5G Core Network solutions. This leadership role requires a blend of deep technical expertise, project management capabilities, and people leadership to drive the successful delivery of 5G Core initiatives across SA and NSA deployments.Roles and Responsibilities:Technical Leadership & StrategyLead the end-to-end design, integration, and optimization of 5G Core Network components (AMF, SMF, UPF, AUSF, UDM, NRF, PCF, NSSF, NEF).Define and enforce best practices for 5G Core deployment, configuration, and lifecycle management.Provide technical direction on Nokia or Ericsson 5G Core platforms, ensuring alignment with 3GPP standards and business goals.Team & Project ManagementManage a team of core network engineers, assigning tasks, mentoring junior staff, and conducting performance reviews.Coordinate with cross-functional teams including RAN, Transport, IT, and Security to ensure seamless integration.Operations & OptimizationSupervise the monitoring, troubleshooting, and resolution of complex network issues.Lead root cause analysis (RCA) for major incidents and implement preventive measures.Drive continuous improvement in network performance, reliability, and automation.Innovation & AutomationPromote the adoption of cloud-native technologies, CI/CD pipelines, and DevOps practices in 5G Core operations.Guide the development of automation scripts and tools for provisioning, monitoring, and reporting.Technical experience and Professional attributes:1015 years of experience in mobile core networks, with 3+ years in 5G Core (SA/NSA).Proven leadership experience managing technical teams or leading large-scale 5G Core projects.Hands-on expertise with Nokia or Ericsson 5G Core Network components and management tools.Strong understanding of 3GPP Release 15/16/17 standards and service-based architecture (SBA).Proficiency in protocols:SCTP, HTTP/2, PFCP, GTP, Diameter, TCP/IP, TLS.Experience with NFV/SDN, cloud-native platforms (OpenStack, Kubernetes), and containerized network functions (CNFs).Preferred Skills & Certifications:Nokia NSP/5G Certification or Ericsson Certified Expert 5G Core.Certifications in Project Management (PMP, PRINCE2) or Agile/Scrum methodologies.Familiarity with CI/CD tools (Git, Jenkins), automation frameworks (Ansible, Python), and monitoring tools (Prometheus, Grafana).Knowledge of IMS, VoNR, VoLTE, and interworking with legacy EPC/CS networks. Educational Qualifications:15 Years of Education, Bachelors or Masters degree in Telecommunications, Electronics, Computer Science, or related field. Additional Information:Team Player Qualification 15 years full time education

Software Engineer Location-Gurugram Designation-Software Engineer Experience-1 - 3 Years Key Responsibilities: 1. Software Development and Maintenance: o Design, develop, and maintain robust, high-performance C/C++ applications for 4G Core networks. o Optimize software for performance, scalability, and reliability in telecom environments. 2. 4G Core Expertise: o Develop solutions for 4G Core components, including EPC (Evolved Packet Core), PCEF, MME, SGW, PGW, and HSS. o Implement and troubleshoot protocols like S1AP, GTP, Diameter, and SCTP. 3. System Design and Architecture: o Collaborate with cross-functional teams to design and implement end-to-end solutions for 4G Core networks. o Contribute to system architecture discussions and provide technical guidance. 4. Debugging and Troubleshooting: o Analyze and resolve complex issues related to 4G Core systems and protocols. o Perform code reviews, testing, and debugging to ensure software quality. 5. Documentation and Collaboration: o Document software design, development processes, and system specifications. o Work closely with product management and QA teams to meet project deadlines. Required Qualifications: Technical Skills: o Proficiency in C/C++ with strong knowledge of object-oriented programming.o Solid understanding of 4G Core components (EPC, MME, SGW, PGW, and HSS).o Hands-on experience with 5G protocols such as S1AP, GTP, Diameter, and SCTP.o Familiarity with multi-threading, real-time systems, and memory management.Telecom Domain Expertise:o Knowledge of 4G network architecture, standards, and protocols.o Experience in implementing or maintaining telecom core network solutions.Tools and Platforms:o Experience with Linux/Unix development environments.o Familiarity with version control systems (e.g., Git), debugging tools, and build systems.Educational Background:o Bachelors or Masters degree in Computer Science, Telecommunications, or related field.

Software Development and Maintenance: o Design, develop, and maintain robust, high-performance C/C++ applications for 4G Core networks. o Optimize software for performance, scalability, and reliabilityo Proficiency in C/C++ with strong knowledge of object-oriented programming. o Solid understanding of 4G Core components (EPC, MME, SGW, PGW, and HSS). o Hands-on experience with 5G protocols such

About this opportunity: Looking for an experienced Packet Core Engineer with good knowledge of 2G/3G/4G/5G technologies, with a strong focus on KPI report generation and KPI-driven optimization in multi-vendor environments. The role demands a high level of ownership in maintaining network performance, quality, and timelines, in alignment with Ericsson standards Roles and Responsibilities Responsible for end-to-end project delivery in alignment with Market Area (MA) objectives Generate and distribute KPI reports within agreed timelines. Perform in-depth analysis and provide resolution of network KPI degradation. Collaborate with internal and external stakeholders to ensure ensure smooth and timely execution of project deliverables. Promote and enforce adherence to standard processes, methodologies, and industry best practices. Ensure continuous KPI compliance as per agreed SLAs and performance targets. Experience 2-5 years of experience in PS Core network management. Strong understanding of PS Core technologies with proven experience in KPI reporting and troubleshooting KPI degradation issues. Proficient in KPI call flows, calculating formulas and counter. Good exposure in Microsoft Excel & Powerpoint. Deep understanding of protocols including GTP, Diameter, SCTP, PFCP, and HTTP/2 for troubleshooting control and user plane issues. Skillset Solid understanding of 2G, 3G, 4G, and 5G technologies. Strong knowledge of Packet Core Network Elements: MME, SGW, PGW, SMF, UPF, AMF, PCF, PCRF, HSS, DNS, DPI, CGNAT 3G/4G/5G Core Technologies: EPC, 5GC architecture, Control/User Plane separation. Call Flow Expertise: Attach, default/dedicated bearer setup, handovers, VoLTE/VoNR sessions, roaming. Performance & KPI Analysis: Deep knowledge of KPI metrics, counters, and troubleshooting techniques Understanding of automation for O&M and reporting tasks Good Communication skills. Primary country and city: India (IN) || Noida Req ID: 769048

Join our Team About this opportunity: Looking for an experienced Packet Core Engineer with good knowledge of 2G/3G/4G/5G technologies, with a strong focus on KPI report generation and KPI-driven optimization in multi-vendor environments. The role demands a high level of ownership in maintaining network performance, quality, and timelines, in alignment with Ericsson standards Roles and Responsibilities Responsible for end-to-end project delivery in alignment with Market Area (MA) objectives Generate and distribute KPI reports within agreed timelines. Perform in-depth analysis and provide resolution of network KPI degradation. Collaborate with internal and external stakeholders to ensure ensure smooth and timely execution of project deliverables. Promote and enforce adherence to standard processes, methodologies, and industry best practices. Ensure continuous KPI compliance as per agreed SLAs and performance targets. Experience 2-5 years of experience in PS Core network management. Strong understanding of PS Core technologies with proven experience in KPI reporting and troubleshooting KPI degradation issues. Proficient in KPI call flows, calculating formulas and counter. Good exposure in Microsoft Excel & Powerpoint. Deep understanding of protocols including GTP, Diameter, SCTP, PFCP, and HTTP/2 for troubleshooting control and user plane issues. Skillset Solid understanding of 2G, 3G, 4G, and 5G technologies. Strong knowledge of Packet Core Network Elements: MME, SGW, PGW, SMF, UPF, AMF, PCF, PCRF, HSS, DNS, DPI, CGNAT 3G/4G/5G Core Technologies: EPC, 5GC architecture, Control/User Plane separation. Call Flow Expertise: Attach, default/dedicated bearer setup, handovers, VoLTE/VoNR sessions, roaming. Performance & KPI Analysis: Deep knowledge of KPI metrics, counters, and troubleshooting techniques Understanding of automation for O&M and reporting tasks Good Communication skills. Why join Ericsson? What happens once you apply? Primary country and city: India (IN) || Noida Req ID: 769048

Software Engineer --> --> Location, Designation --> LocationGurugram DesignationSoftware Engineer Experience1 - 3 Years Key Responsibilities: 1. Software Development and Maintenance: o Design, develop, and maintain robust, high-performance C/C++ applications for 4G Core networks. o Optimize software for performance, scalability, and reliability in telecom environments. 2. 4G Core Expertise: o Develop solutions for 4G Core components, including EPC (Evolved Packet Core), PCEF, MME, SGW, PGW, and HSS. o Implement and troubleshoot protocols like S1AP, GTP, Diameter, and SCTP. 3. System Design and Architecture: o Collaborate with cross-functional teams to design and implement end-to-end solutions for 4G Core networks. o Contribute to system architecture discussions and provide technical guidance. 4. Debugging and Troubleshooting: o Analyze and resolve complex issues related to 4G Core systems and protocols. o Perform code reviews, testing, and debugging to ensure software quality. 5. Documentation and Collaboration: o Document software design, development processes, and system specifications. o Work closely with product management and QA teams to meet project deadlines. --- Required Qualifications: Technical Skills: o Proficiency in C/C++ with strong knowledge of object-oriented programming.o Solid understanding of 4G Core components (EPC, MME, SGW, PGW, and HSS).o Hands-on experience with 5G protocols such as S1AP, GTP, Diameter, and SCTP.o Familiarity with multi-threading, real-time systems, and memory management.Telecom Domain Expertise:o Knowledge of 4G network architecture, standards, and protocols.o Experience in implementing or maintaining telecom core network solutions.Tools and Platforms:o Experience with Linux/Unix development environments.o Familiarity with version control systems (e.g., Git), debugging tools, and build systems.Educational Background:o Bachelors or Masters degree in Computer Science, Telecommunications, or related field. Feel Free To Contact Us...!!! Submit

What you work: As a Lead Engineer, you will be responsible for integrating testing into the development process, designing and executing automated and manual tests to ensure software quality, and collaborating with developers to identify and resolve issues early. This role will enhance the overall efficiency of the development cycle and improve product reliability. 4G EPC Testing: Develop, execute, and validate test plans for 4G EPC components including Serving Gateways (SGW), Packet Gateways (PGW), Mobility Management Entity (MME), and Home Subscriber Server (HSS). Ensure interoperability and functionality of these components in various network scenarios. 5G Core Testing: Design and implement test plans for 5G Core network functions, including Access and Mobility Management Function (AMF), Session Management Function (SMF), User Plane Function (UPF). Validate 5G NR (New Radio) integration and end-to-end functionality. Protocol Validation: Test and validate protocols used in 4G and 5G networks, such as GTP, SCTP, and HTTP/2. Analyze protocol exchanges to ensure correct implementation and performance. Performance Testing: Conduct performance tests for both 4G and 5G core networks. Measure metrics such as throughput, latency, and scalability. Identify performance bottlenecks and work with engineering teams to resolve them. Automation and Scripting: Develop and maintain automated test scripts and frameworks for both 4G and 5G core testing. Utilize scripting languages (e.g., Python, Bash) and automation tools to improve testing efficiency. Issue Resolution: Identify, document, and track defects and performance issues. Collaborate with development and operations teams to troubleshoot and resolve issues effectively. Documentation and Reporting: Create detailed test documentation, including test plans, cases, and reports. Provide clear and concise communication on test results and issues to stakeholders. Collaboration: Work closely with cross-functional teams including software developers, network architects, and product managers to ensure comprehensive testing and integration of core network components. Continuous Improvement: Stay abreast of the latest advancements in mobile core technologies (both 4G and 5G). Suggest and implement improvements to testing methodologies and tools. Mandatory skills: Deep knowledge of 4G EPC components and protocols (e.g., GTP, SCTP). Strong understanding of 5G Core functions and protocols (e.g., N1/N2/N3/N4 interfaces, HTTP/2). Experience with network simulators/emulators and traffic generation tools. Desired skills: Proficiency in scripting languages for automation (e.g., Python, Bash). Excellent analytical and problem-solving skills, with the ability to diagnose and resolve complex network issues. Strong verbal and written communication skills. Ability to effectively articulate technical concepts to various stakeholders. High level of attention to detail and a methodical approach to testing and quality assurance. Preferred Qualifications: Experience: 7 to 10 yrs from Telecommunication or Networking background. Education: Tech/BE (CSE/ECE) or any other equivalent degree

Required Technical Skill Set: Experienced programmer in C/C++, multithread, TCP/IP, UDP, SCTP, GTP, IPC, SIP, RTP handling, Diameter and Socket programming Must-Have : Deep expertise in 4G core and IMS architecture, including VoLTE, WIFI and 3GPP standards compliance Good-to-Have : 5G core evolution, cloud native deployments and multi- vendor network integration. Responsibility of / Expectations from the Role Design, develop and optimize 4G core and IMS network architecture aligned with 3GPP standards. Development and testing of 3GPP LTE EPC Core / 5G NSA Core layers, protocols, and access point Oversee end to -end design and development of network management platforms, ensuring alignment with business objectives, scalability, and integration with existing IT ecosystems Lead a team of developers and engineers to implement advanced automation, monitoring, and analytics solutions that enhance network performance, fault detection and operational efficiency. Collaborate with cross functional stakeholders (IT operations, security, and product teams) to define network management strategies. Prioritize feature development and ensure timely delivery of high- quality solutions

Must-Have : Deep expertise in 4G core and IMS architecture, including VoLTE, WIFI and 3GPP standards compliance Good-to-Have : 5G core evolution, cloud native deployments and multi- vendor network integration. Responsibility of / Expectations from the Role : Experience in firsthand programming in C/C++, multithread, -TCP/IP, UDP, IPC, SIP, RTP handling, Diameter and Socket programming Good understanding of 3GPP based call flows, 4G Core/ IMS components, 3GPP protocol stack Lead the design, integration, and optimization of IMS components such as MME, SGW, and PCRF Coordinate cross functional teams for schusses deployment, testing and troubles shotting of IMS modules in multi-vendor and cloud native environment Ensure compliance with 3 GPP standards while driving performance tuning, capacity planning and network resiliency and relevant RFC.

Must-Have : Deep expertise in 4G core and IMS architecture, including VoLTE, WIFI and 3GPP standards compliance Good-to-Have : 5G core evolution, cloud native deployments and multi- vendor network integration. Role & responsibilities : Experience in firsthand programming in C/C++, multithread, -Good Understanding of databases Good understanding of 3GPP based call flows, 4G Core/ IMS components, 3GPP protocol stack Support real time policy enforcement and charging decisions by interfacing with the PCRF and other core nodes to ensure QOS and service level compliance Ensure high scalability, consistency, and synchronization of subscriber data across distributed dB nodes for seamless service continuity and failover. Facilitate secure and efficient data access and replication between network functions to support scalability , redundancy and disaster recovery in the core network environment Preferred candidate profile

Must-Have : Deep expertise in 4G core and IMS architecture, including VoLTE, WIFI and 3GPP standards compliance Good-to-Have : 5G core evolution, cloud native deployments and multi- vendor network integration. Role & responsibilities : Design, develop and optimize 4G core and IMS network architecture aligned with 3GPP standards. Development and testing of 3GPP LTE EPC Core / 5G NSA Core layers, protocols, and access point Lead a team of developers and engineers to implement advanced automation, monitoring, and analytics solutions that enhance network performance, fault detection and operational efficiency. Collaborate with cross functional stakeholders (IT operations, security, and product teams) to define network management strategies. Prioritize feature development and ensure timely delivery of high- quality solutions Preferred candidate profile

As a Test Lead, you will be part of Product Engineering - Subscriber Signaling and Policy (SSP) under Product System Test (PST) organization and the team will be System Verification team for our core network products. You will conduct target-oriented research to directly apply findings to the specification, design, further development, and incremental improvement of products, services, systems, tools, processes, etc. Integrates, verifies, tests, and modifies SW /system components and capitalizes on innovative solutions to meet particular requirements and specifications. You have: 6+ years of relevant software testing experience in telecom-grade products, including functional and non-functional testing with a Bachelor's degree in Electronics, Computer Science, or equivalent. Good working knowledge of cloud technologies, Kubernetes (K8s) and Python scripting. Familiarity with 4G/5G core technologies like CSD, PCRF, VOLTE, DRA, SCP, BSF, SEPP, and understanding of HLR, HSS, UDM, EIR, SDL, OneNDS, and 3GPP standards. Proficiency in Diameter, HTTP2 signaling, JSON, RestAPI, SCTP, TCP, and core telecom products like load balancers. It would be nice if you also had: Expertise in scripting, tracing tools (Wireshark, tShark), automation frameworks, and test management tools like Jira, Jenkins, and Bamboo. Knowledge on Linux, Kubernetes, VMware, OpenStack, CSF assets, cloud-native/microservices architecture, and DevOps best practices. Conduct system testing for high-traffic, large-scale distributed telecom products, ensuring robust performance and reliability. Oversee both functional and non-functional testing phases, utilizing innovative testing methodologies. Implement and enhance test automation frameworks using Python scripting for efficient end-to-end product validation. Utilize cloud technologies and Kubernetes to test and validate modern cloud-native solutions. Analyze test results and provide actionable insights to stakeholders to inform product development cycles.

Roles and Responsibilities Telecom Networks: Strong hands-on experience in 4G (LTE) and 5G network technologies. Core Network: Expertise in EPC, 5GC, IMS, and related core network components. Testing & Validation: Proficient in system integration testing, regression testing, and protocol validation. Debugging: Skilled in log analysis, troubleshooting network issues, and end-to-end debugging. Tools: Hands-on with Landslide (Spirent), Wireshark, and other network simulators/test tools. Protocols: Knowledge of Diameter, S1AP, GTP, NGAP, SCTP, HTTP/2, PFCP, etc. Specific Responsibilities: Perform system-level testing on 4G/5G core components. Simulate network scenarios using Landslide or similar tools. Analyze network traces and logs to isolate and fix issues. Work closely with development and deployment teams. Document test cases, results, and technical issues.

We are looking for a skilled and motivated VAS Engineer to join our team in Noida. The ideal candidate will have a strong background in Value Added Services within telecom networks, with hands-on experience in protocols and platforms such as SMSC, MMSC, VMS, GSM, SS7, Sigtran, TCP/IP, IMS, and Diameter. This role involves working on the design, implementation, testing, and support of VAS solutions to enhance telecom service offerings. Connect with me over LinkedIn : https://www.linkedin.com/in/nitin-tushir-abc0048/ Key Responsibilities: Design, develop, and support Value Added Services (VAS) including SMSC, MMSC, and VMS platforms. Troubleshoot and resolve issues related to signaling protocols such as SS7, Sigtran, SCCP, SCTP, and Diameter. Collaborate with cross-functional teams to integrate VAS with GSM networks and IMS infrastructure. Analyze network traffic and signaling to ensure service quality and performance. Implement and maintain TCP/IP-based communication between network elements. Participate in solution design and architecture discussions for new VAS products and enhancements. Provide technical support and expertise to customer sites and internal teams. Conduct root cause analysis for service failures and propose preventive measures. Keep up to date with latest telecom technologies and standards relevant to VAS. Required Skills and Qualifications: Bachelors degree in Electronics, Telecommunications, Computer Science, or related field. 2 to 14 years of experience in telecom VAS engineering or related roles. Strong knowledge of Value Added Services such as SMSC (Short Message Service Center), MMSC (Multimedia Messaging Service Center), VMS (Voice Mail System). In-depth understanding of GSM network architecture and protocols. Expertise in signaling protocols: SS7, Sigtran, SCCP, SCTP. Hands-on experience with IMS and Diameter protocol for IP multimedia services. Good knowledge of TCP/IP networking and troubleshooting. Experience with telecom network interfaces and signaling. Ability to analyze protocol logs and network traces for troubleshooting. Strong problem-solving skills and attention to detail. Excellent communication and teamwork skills

10+ years of experience in Object-Oriented Analysis, Design and Development using Java/J2EE Experience in Cloud native technologies (micro services) Experience using Agile development process Experience using Kubernetes and Docker based framework Experience with networking protocol or networking software development. Ability and exposure to work directly from specification like IETF RFCs and 3GPPP TSs. Multi-threaded and Multi-processor Application Design on Linux platform Experience developing highly concurrent/high throughput software Experience developing highly available/redundant software Ability to multi-task and handle changing priorities. Experience in deploying software in large telecom environment. Experience with standard development tools is required. Knowledge of software development methodology, build tools and product life cycle. Excellent team skills, can-do attitude, focus on quality and drive to make a difference in a dynamic, fast paced organization. Knowledge and/or experience in one or more of the following is preferred: Network Programming, TCP/IP, SCTP/IP, IP multimedia Subsystem (IMS) and LTE Network Performance Monitoring Ability to work with geographically dispersed teams Working experience in following technologies are preferred: Java/J2EE, XML, REST, Oracle JET (OJET), Oracle DB, MySQL DB, Perl Scripts, Linux, Bash scripting, RPMs, Web Services, Docker, Kubernetes, Microservices, Spring Boot, Micronaut, Ansible, Puppet, Chef, IoT, Cloud, NFV Main Responsibilities: Design, develop, and test Oracle 5G application software using cloud native principles and Java/J2EE on Linux platform. Provide technical leadership to offshore development team. Review escalated field issues. Review and write root-cause analysis documents for field issues if necessary. Participate in software design and design discussions to improve the software performance, maintainability, serviceability, and reliability

As a Test Lead in the Subscriber Signaling and Policy (SSP) team at Nokia, you will play a critical role in ensuring the quality and reliability of our high-traffic, large-scale telecom products. You will oversee system testing across functional and non-functional areas, working closely with cross-functional teams to deliver top-notch solutions. Your expertise in test automation and end-to-end product validation will be essential in advancing our cloud-based technologies, with an emphasis on Kubernetes and Python scripting. You have: Bachelor's degree in Electronics, Computer Science, or related fields. 6+ years of software testing experience in telecom-grade products with functional and non-functional testing. Knowledge of cloud technologies and Kubernetes (K8s), along with Python scripting skills. Familiarity with 4G/5G core technologies and understanding of key telecom standards and components. Proficiency in protocols such as Diameter, HTTP2, JSON, RestAPI, SCTP, and TCP. Experience with Linux, VMware, OpenStack, and cloud-native architectures. It would be nice if you also had: Expertise in automation frameworks and test management tools like Jira, Jenkins, and Bamboo. Experience with customer engagement for understanding deployments and serviceability use cases. Assist end-to-end system testing for high-traffic, large-scale distributed systems and client-server architectures. Develop and implement test automation strategies to enhance product validation efficiency. Integrate and verify software/system components based on innovative technical solutions. Conduct performance and robustness testing to ensure telecom-grade product reliability. Provide technical leadership and mentorship for junior team members in testing methodologies.

Development experience in 5G along with 3G/4G core network on AUSF, UDM, UDR, HSS, HLR Proficient in C++ programming on Linux with multithreading, IPC etc. Very good in TCP/IP, SCTP, TLS and HTTPv2 Extensive experience with cloud native solution development using Docker and Kubernetes and its networking Code coverage using gcov and profiling using Coverity Development testing using Robot and Python Exposure to LDAP, DBMS, microservices /REST APIs using GRPC be added advantage Skills (competencies)

About This Role: We are looking for a skilled and motivated VAS Engineer to join our team in Bengaluru , supporting Ericssons Value Added Services and related support systems across GSM (2G, 3G, 4G) networks. You will play a critical role in ensuring high availability, performance, and reliability of VAS infrastructure while supporting both planned and unplanned network operations. Handling VAS Operations and maintaining service availability for VAS nodes with proper work focus for Alarm handling, support Hardware/software/configuration related issues, configuration of all Nodes pertaining to VAS domains and emergency handling/outage Support for VAS and IMS nodes/products/network! Key Responsibilities: Ensure smooth and uninterrupted operation of GSM and TCP/IP-based services Administer and manage VAS platforms and support systems. Conduct regular preventive and corrective maintenance of network systems. Execute and plan scheduled maintenance activities such as health checks and backups . Participate in problem management , escalation handling , and CSR follow-ups . Collaborate with cross-functional teams for configuration, troubleshooting, and optimization of VAS network elements. Deliver operational support for Mobile GSM networks including 2G, 3G, and 4G technologies. Required Skills & Competencies: Solid understanding and hands-on experience in: GSM , SS7 , Sigtran TCP/IP , SCCP , SCTP IMS , Diameter protocol Strong problem-solving skills and ability to work under pressure. Proficiency in troubleshooting and root cause analysis. Exposure to Ericsson platforms and tools will be an added advantage. Qualifications: Education: B.E / B.Tech. in Electronics & Communication or a related field. Experience: 4 to 8 years in VAS support and mobile core network operations. Why Join Ericsson? At Ericsson, we believe in innovation, collaboration, and fostering a culture of excellence. You will work with cutting-edge technologies and have the opportunity to contribute to next-generation network solutions that transform industries and society.

Ericsson OCS Support Engineer Chennai - Guindy, India Operations 16873 Overview 1. 24/7 support Operation and Maintenance of Ericsson IN/OCS and handling Business Configurations. 2. L2 operations support to Ericsson IN/OCS for the nodes OCC, CCN, SDP, ECMS, NgCRS, NgVS, AIR. 3. Responsible for analysis and solving prepaid call related issues. 4. Responsible for daily health check-up of IN/OCS system. 5. Provide application support during server upgrades. 6. Provide support to NOC team and Ericsson team during outages/Service effect. 7. Analysis of various IN/OCS reports and prepare revenue related reports. 8. TCP DUMP analysis using wireshark. 9. Maintenance of CDR flow, CDR transfer between various IN/OCS Nodes, has to keep track of CDR Duplication or CDR Loss 10. Signalling link configuration, GT Routing. Responsibilities 1. 24/7 support Operation and Maintenance of Ericsson IN/OCS and handling Business Configurations. 2. L2 operations support to Ericsson IN/OCS for the nodes OCC, CCN, SDP, ECMS, NgCRS, NgVS, AIR. 3. Responsible for analysis and solving prepaid call related issues. 4. Responsible for daily health check-up of IN/OCS system. 5. Provide application support during server upgrades. 6. Provide support to NOC team and Ericsson team during outages/Service effect. 7. Analysis of various IN/OCS reports and prepare revenue related reports. 8. TCP DUMP analysis using wireshark. 9. Maintenance of CDR flow, CDR transfer between various IN/OCS Nodes, has to keep track of CDR Duplication or CDR Loss 10. Signalling link configuration, GT Routing. Requirements 1. Flexible to work in night shifts and Handling Oncall for 24/7 support. 2. Should have Operation and Support experience in all Ericsson OCS nodes (OCC, CCN, SDP, ECMS, NgCRS, NgVS, AIR) 3. Knowledge of Business Configuration in Ericsson IN/OCS 3. Must have experience in debugging/troubleshooting the traces using wireshark. 4. Should have knowledge in Prepaid call flows. 5. Knowledge Diameter,SIP, TCP/IP, MAP, SMPP, SCCP, MTP. 6. Experience in Linux, Shell Scripting. 7. Experience in SLA/KPIs. 8. Strong Written & Communication skills 9. Python is Added Advantage.