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T Hub - Voice Core System Engineer Miejsce pracy: Warszawa Technologies we use Operating system Windows Your responsibilities Work on architecture and design of innovative voice systems as part of enterprise-wide telecommunications infrastructure Prepare detailed technical documentation and test plans Work as the main technical representative for major projects and competence areas Drive the technical assessment, solution assurance, and troubleshooting of Mobile Voice networks Be ready to define and capture business requirements, translating them into technical solutions for Mobile Voice (IMS, VoLTE, VoNR, etc.) Oversee planning, implementation, and integration of voice services System configuration testing and introduction Manage project timelines, including budgets, risks, progress, and team performance, ensuring all deliverables meet scope and quality standards Our requirements Minimum 4-5 years of relevant experience in mobile networks (CS, LTE, IMS, VoLTE, 5G, signalling) Masters degree in Electronic/Telecommunications Engineering or related field Knowledge of voice network architectures, protocols, signalling Troubleshooting, testing, and performance monitoring skills Knowledge of project management methodologies and tools will be an asset Cloud infrastructure and automation skills would be assets English knowledge (B2) What we offer Employment contract Additional day off on the occasion of birthdays/namedays Medical package and life insurance Benefit platform - you choose what you benefit from Access to training platforms to improve your knowledge I know Talent - training or money for referring friends to work ! Besides, with us you can count on access to our products and services at preferential terms and benefits, which you will read about below Benefits sharing the costs of sports activities private medical care sharing the costs of foreign language classes sharing the costs of professional training & courses life insurance flexible working time corporate products and services at discounted prices integration events mobile phone available for private use no dress code parking space for employees extra social benefits sharing the costs of tickets to the movies, theater holiday funds birthday celebration sharing the costs of a streaming platform subscription employee referral program charity initiatives extra leave Benefit Platform T-Mobile Have you ever asked yourself whether youd rather work in a big-tech, software house or startup? At home or in the office? In international teams or polish? At T Hub, theres one answer - YES! T Hub Poland is a dynamic, forward-thinking division in T-Mobile Poland, where technology matters! It’s a place where best talents converge to ideate, prototype, and implement cutting-edge solutions in international projects held in Deutsche Telekom Group. Wszystkie informacje o przetwarzaniu danych osobowych w tej rekrutacji znajdziesz w formularzu aplikacyjnym, po kliknięciu w przycisk "Aplikuj Teraz".