3 Vonr Jobs

Job Title: 4G/5G Cellular Certification Testing & Automation Testing Engineer. Location: Bangalore Experience: 4 to 8 Years Join Time: Immediate to 30 Days. Job Summary: We are seeking a skilled 4G/5G Cellular Certification Testing Engineer with experience in both manual and automation testing for cellular protocols, along with hands-on expertise in certification processes such as PTCRB, GCF, FCC , and carrier certifications (e.g., Verizon, AT&T, T-Mobile). The candidate will be responsible for leading device testing, automation framework development, and managing end-to-end certification cycles. Key Responsibilities: Perform manual and automated testing of 4G/5G protocol, RF, and application-level functionalities. Lead and execute certification testing processes including PTCRB, GCF, FCC , and carrier certifications (AT&T, Verizon, TMO, etc.). Design and implement automation test scripts and frameworks for cellular device testing (using Python or other scripting languages). Conduct regression, stability, IOT (Interoperability Testing), and field testing using test tools and automation setups. Debug and analyze logs using QXDM, QCAT, QTRACE, Wireshark , and similar tools. Collaborate with cross-functional teams including development, QA, certification labs, and carrier teams to address and resolve test issues. Maintain detailed documentation for test plans, test cases, defect logs, and certification reports. Stay up to date with the latest 3GPP standards , carrier requirements, and certification processes. Required Skills & Experience: 4 to 8 years of hands-on experience in 4G/5G mobile device testing and certification. Experience with PTCRB, GCF, FCC , and at least one US carrier certification process . Strong understanding of LTE, LTE-A, 5G NR (NSA/SA), VoLTE, VoNR technologies. Proficiency in using test tools such as Anritsu, Keysight, R&S, Spirent , etc. Experience with automation testing frameworks and scripting languages (preferably Python , but Shell, Perl, or JavaScript also valued). Hands-on experience with log analysis tools ( QXDM, QCAT, etc. ) and debugging protocol/RF issues. Good understanding of 3GPP protocol stack , network signaling, and call flows. Preferred Qualifications: Experience working with major chipset vendors (Qualcomm, MediaTek, etc.). Prior work on test automation frameworks for embedded/mobile device testing. Knowledge of test case management tools and CI/CD tools (Jenkins, Git) Show more Show less

What you will do Deliver services and provide presales support in Network Design and Optimization (NDO) Develop and improve offerings for services, software, and products Consult with technical staff and senior management in customer organizations, to understand their requirements. Develop complex end-to-end solutions to meet operators technical and business requirements! Implement customer solutions within agreed time, scope and cost, handle expectations, and obtain acceptance Share knowledge within Ericsson and with customers You will bring The successful applicant must have deep technical skills, expertise, and experience in radio network design and optimization, including a track record of consulting and leading people. Degree in Electrical, Electronics or Telecommunications Engineering, or IT Minimum 8+ Yrs of experience in radio access network design and optimization 5G technology knowledge. NDO expertise in 5G will be highly regarded Cloud-RAN, Machine Learning and Artificial Intelligence (ML AI) knowledge is an advantage! End to End knowledge covering RAN, transport, packet core and devices will be highly regarded Ericsson system knowledge (Ericsson Radio System, Ericsson Network Manager, Ericsson Packet Core, 5G Core, Ericsson MO structure) PM Events and Statistics (PM Counters, Cell Traces, Baseband Traces) PM Platforms (ENIQ/ITK/Ericsson Performance Platform) , CM (MOM Parameters, System Constants) LTE, VoLTE, Carrier Aggregation, UL/DL Comp, ESS, ENDC, NR NSA, VoNR, Concepts of TCP, UDP and IP. String Analytical troubleshooting abilities. Fluent with Advanced Data Visualization techniques and tools like Tableau/PowerBI Drive test logging tools like TEMS Investigation / NEMO / XCAL / QXDM / Romes and post processing tools like TEMS Discovery/NEMO Analyze/XCAP/QCAT Working level knowledge of QGIS(opensource mapping solution), MongoDB, MS SQL(or any RDBMS querying language), Python Why join Ericsson At Ericsson, you ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what s possible. To build solutions never seen before to some of the world s toughest problems. You ll be challenged, but you won t be alone. You ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

Expertise in Layer Management Strategies (Connected mode, Idle, Load base) Operationalization of new technology such as mmWave, SA, Slicing, IOT, Redcap, VoNR, next-gen networks. Creating guidelines and anchoring with MS team. Responsible for Level 3 Escalation and support and Collaborate with circle teams, core team, and vendors (Nokia, Ericsson, Samsung etc.) to resolve issues efficiently. MS and AT KPI finalization ( Threshold and Formula) New Feature FNI to drive improvement. Drive "out-of-the-box" thinking to resolve complex network challenges and implement innovative solutions. Perform deep-dive analysis of 4G/5G network KPIs to identify and resolve performance Issue. Optimize network parameters, features, and configurations to enhance coverage, capacity, and user experience for Data (4G, 5G) and voice (VoLTE and 2G). Perform root cause analysis for customer complaints. Expertise in E//, Nokia and Samsung Radio. Identify Automation & AI/ML-Driven Optimization use cases Analyze traffic patterns, congestion trends, and spectral efficiency to recommend network expansion and capacity upgrades. Support 5G SA/NSA deployment strategies, frequency refarming, and DSS (Dynamic Spectrum Sharing) initiatives. Work on QoS (Quality of Service) and QoE (Quality of Experience) enhancements. Benchmark network performance against competitors and recommend improvements.