8 Smsc Jobs

We are searching for a highly skilled Python Automation Engineer with expertise in 5G networks and IMS (IP Multimedia Subsystem) testing to become a part of our dynamic team. The perfect candidate will have practical experience in automating test scripts, telecom protocol testing, and ensuring the quality, performance, and resiliency of 5G/4G network functions. As a Python Automation Engineer, you will have a significant role in the validation of IMS architecture, automation of test cases, and performance verification of network functions. Your responsibilities will include developing and maintaining automated test scripts utilizing Python, TCL, and BDD to validate IMS functionalities and 5G/4G network features. You will design, execute, and enhance test cases for telecom protocols such as SIP, Diameter, MAP, SBI, RTP, and DNS. Additionally, you will be performing integration, performance, and resiliency testing of IMS applications and 3GPP nodes like HLR, HSS, UDM, SMSC, PGW, SMF, and MME. Building and maintaining automation frameworks to streamline test execution and reporting, conducting manual and automated testing for IMS-based services such as VoLTE, VoWiFi, and RCS, simulating network traffic, and testing performance under various conditions using tools like IxLoad, Landslide, and EXFO are crucial aspects of the role. Furthermore, you will be responsible for debugging and troubleshooting issues at both software and network levels using logs, stats, Grafana, and protocol analyzers like Wireshark. Your collaboration with software engineers, network engineers, and DevOps teams to resolve issues and enhance system performance is essential. Integrating automated tests into CI/CD pipelines using Kubernetes, Flux/GitOps, testing system resiliency, geo-redundancy, hardware failure scenarios, and conducting chaos testing will also be part of your duties. To excel in this role, you must possess strong programming skills in Python, along with experience in TCL and BDD. A solid understanding of IMS and its components (HSS, PCRF, CSCF), practical experience with 5G/4G networks and 3GPP nodes, deep knowledge of telecom protocols (SIP, Diameter, MAP, SBI), experience with automation tools and frameworks like Robot Framework, Selenium, or pytest, proficiency with network simulators and analyzers, hands-on experience with Kubernetes, GitOps (Flux), and CI/CD pipelines, strong networking knowledge, experience in performance/load/stress testing and debugging at scale, familiarity with monitoring tools and bug tracking tools, understanding of telecom standards and IMS-based services, as well as excellent communication skills and ability to work in a collaborative environment, are crucial. In return, we offer a competitive salary and benefits package, a culture focused on talent development, opportunities to work with cutting-edge technologies, employee engagement initiatives, annual health check-ups, and insurance coverage for self, spouse, children, and parents. Persistent Ltd. is committed to fostering diversity and inclusion in the workplace, providing hybrid work options and flexible working hours, and creating an inclusive environment where all employees can thrive. Join us at Persistent and unleash your full potential. Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.,

Exciting Opportunity! Join Our Walk-in Drive Were Hiring at Ericsson India Global Pvt. Ltd.! Are you passionate, driven, and ready to make an impact in the world of technology? Then wed love to meet you! Date: 4th July 2025 Time: 11:00 AM 4:00 PM Venue: Ground Floor-'Erizone' | Knowledge Boulevard, Plot No. 8A, Sector 62, Noida – 201301, India Open Positions: - IMS/CS Core - PS Core - Charging - VAS - NFVI/CNIS (Cloud Native) - OSS - IP - Transmission Microwave - Core Optimization Experience Required: 3-14 Years with Ericsson Nodes What to Bring: - Updated Resume - Relevant Certifications (if any) - Valid ID Proof Why Attend? - On-the-spot interview opportunities - Competitive salary & benefits - Work on next-gen networking technologies - Accelerate your career in an innovative, global environment Don’t miss this chance to join a team that's shaping the future of connectivity. For queries, reach out to: shivani.sah@ericsson.com , iti.verma@ericsson.com & soumadeep.mukherjee@ericsson.com Contact Person: Nitin Tushir - +919871817048

Develop and maintain strong relationships with key accounts. Act as the primary point of contact for clients, ensuring their needs are met and issues are resolved promptly. Handle client inquiries and complaints effectively. Ensure high levels of client satisfaction through excellent service delivery. Oversee the delivery of VAS products and services to clients. Ensure all projects are delivered on time, within scope, and within budget. Manage the day-to-day operations of the VAS team. Monitor and report on operational performance metrics. Oversee the development, implementation, and management of VAS products. Stay updated with industry trends and incorporate best practices into operations.

Urgent Requirement forSr. Administrator . Experience:3+ Years Location : Pan India 3-4years operational experience in telecom SMSC, USSD, MFS, Subscription Manager, VAS. Deep knowledge on Linux & PL-SQL (MySQL, Oracle, MSSQL); Creating and troubleshooting for scripts, cronjob, stored procedures, and other DB related activities. Understanding IP network and telecommunication Practitioner ITIL OEM Management Operational experience on Java & Dot Net application Teamwork and independent work mindset

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

3 4year s operational experience in telecom SMSC, USSD, MFS, Subscription Manager, VAS. Deep knowledge on Linux & PL-SQL (MySQL, Oracle, MSSQL); Creating and troubleshooting for scripts, cronjob, stored procedures, and other DB related activities. Understanding IP network and telecommunication Practitioner ITIL OEM Management Operational experience on Java & Dot Net application Teamwork and independent work mindset

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.

• Network Monitoring for Alarms in Huawei Network NMS • VAS - SMSC MMSC, Bulk Message Server BMS, USSD, OTA(Over the Air), Messaging Gateway Server, CRBT, VMS Voice Mail Server, Miss call alert node level alarm monitoring and troubleshooting Huawei