2 Vowifi 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.,

Vodafone Idea Limited is an Aditya Birla Group and Vodafone Group partnership. It is India's leading telecom service provider. The Company provides pan India Voice and Data services across 2G, 3G and 4G platform. With the large spectrum portfolio to support the growing demand for data and voice, the company is committed to deliver delightful customer experiences and contribute towards creating a truly Digital India by enabling millions of citizens to connect and build a better tomorrow. The Company is developing infrastructure to introduce newer and smarter technologies, making both retail and enterprise customers future ready with innovative offerings, conveniently accessible through an ecosystem of digital channels as well as extensive on-ground presence. The Company is listed on National Stock Exchange (NSE) and Bombay Stock Exchange (BSE) in India. We're proud to be an equal opportunity employer. At VIL, we know that diversity makes us stronger. We are committed to a collaborative, inclusive environment that encourages authenticity and fosters a sense of belonging. We strive for everyone to feel valued, connected and empowered to reach their potential and contribute their best. VIL's goal is to build and maintain a workforce that is diverse in experience and background but uniform in reflecting our Values of Passion, Boldness, Trust, Speed and Digital. Consequently, our recruiting efforts are directed towards attracting and retaining best and brightest talents. Our endeavour is to be First Choice for prospective employees. VIL ensures equal employment opportunity without discrimination or harassment based on race, colour, religion, creed, age, sex, sex stereotype, gender, gender identity or expression, sexual orientation, national origin, citizenship, disability, marital and civil partnership/union status, pregnancy, veteran or military service status, genetic information, or any other characteristic protected by law. VIL is an equal opportunity employer committed to diversifying its workforce. Role CS & VOLTE Operations Job Level/ Designation M2 / AGM Function / Department Central Operations Group-Active Operations Location Mumbai - Corporate Job Purpose To efficiently manage and maintain operations for National VoLTE, VoWiFi & Fix line VOIP Network (SME), so as to uphold a quake free network, and deliver quality customer experience through on-ground deployment of operational practices and guidelines. To Collaborate with SNOC, MS-Partners, Vendors, circle teams & POI partners, with the objective to ensure timely & systematic execution of tasks & resolution of escalated issues. Ensure Submission & notification to DOT so as to maintain 100% regulatory compliance. Key Result Areas/Accountabilities VoLTE, CS Core & Signaling Product Operations Responsible for overall Governance of various Network Elements in CS Core, VOLTE, STP & HLR/HSS domain Managing technical activities in forefront as SW upgrades, Technical Audits, Network resilience, Configuration changes for National Network. Supporting Circle team for operation of all Core nodes, evaluating RISK and mitigation plan in planned and unplanned outages Initiate actions to keep bandwidth utilization under threshold. POI partner management & port allocation for POI augmentation across the circles. Ensure successful completion of VoLTE UAT test cases from operations point of view. Sharing & Implementation of Best Practices across Circles. Fulfil various SOX / Security Requests. Arranging new code opening & modification of routing for existing codes in all core nodes across circles. Spare management for resolving hardware faults in core nodes. Roll out of parameter changes/ software upgrades in core nodes. VoLTE Capacity Management Monitor of HW/SW utilization for all VoLTE network elements and optimize same in sync with planning . Publishing of Monthly Report 5th of every month & VoLTE Dashboard to TOP management. RCA Analysis & rectification of call failure and emergency issues reported. Proactive triggering to Project & Planning team to cater the increasing traffic in core Nodes based on current utilization. Maintain congestion free VoLTE network by regular tracking & initiating required actions to ensure capacity utilization within threshold. Regulatory compliance Notification to DOT for any Change in Core Network Architecture & Software for various VoLTE Nodes. Supporting Circle Team for TRAI security Audit. Ensure timely delivery of ADHOC data requirements of TRAI & DoT. Impact analysis & launch of VoLTE ICR in co-ordination with Business, RA, Circle teams, other operators within stringent timelines. Vendor/Cross functional Coordination Co-ordination with MS-Partner & Vendors to ensure completion of Operational tasks & resolution of escalated issues Coordination with SNOC & Circle Teams for various VoLTE Network related issues. Validation for impact of new software in co-ordination with PMS, Mediation, RA and other concerns. Transformations and Rollout Analysing business requirement for rollout of new project in network & sharing impact. Co-ordination with multiple stakeholders for new roll out & transformation projects on live nodes. Support to project team in various projects related to core network. Core Competencies, Knowledge, Experience Minimum 6+ years of experience in Telecommunication Industry in Core/VoLTE Domain. Knowledge of Mobility Call flows, VoLTE Architecture, Telco Cloud, MSS, HSS, TAS, CSCF and SIP protocol will be preferred Good communication and presentation skills Ability to drive the Project/activity independently Prompt Co-ordination with vendors, internal teams & top management Must have technical / professional qualifications BE/B.Tech (E&C). preferably from reputed institution. Cloud Certification (will be a plus), Years of Experience 7+ years of experience. Vodafone Idea Limited (formerly Idea Cellular Limited) An Aditya Birla Group & Vodafone partnership