Voice Core Senior Engineer

Who We AreVOIS (Vodafone Intelligent Solutions) is a strategic arm of Vodafone Group Plc, creating value for customers by delivering intelligent solutions through Talent, Technology & Transformation.As the largest shared services organisation in the global telco industry with 30,000 FTE, our portfolio of next-generation solutions and services are designed in partnership with customers across Vodafone Group, local markets, and partner markets to simplify and drive growth. With our strategic partner Accenture, we work alongside our Vodafone customers, other Telco and tech companies to drive transformation, meet the challenges of our industry and ensure we stay relevant and resilient. This partnership is a unique, industry-first model which brings together the best of in-house and 3rd party capability.We work with customers across 28 countries from 10 VOIS locations: Albania, Egypt, Hungary, India, Romania, Spain, Turkey, UK, Germany, Ireland, and with a network of teams in Czech Republic, Italy, Greece, and Portugal.#VOIS #BeUnrivalled #CreateTheFutureAbout This RoleWe are seeking a Voice Core Engineer to design and deliver advanced Voice Core information systems for external customer networks. This role involves creating hardware and software specifications, integrating new functionalities, and ensuring seamless interoperability across CS and IMS domains (MSS/MGW, STP, DRA, HSS, HLR, SBC, CSCF, TAS). You will play a key part in improving customer experience and service quality through robust design and testing processes.What You Will DoDesign software and hardware requirements for Voice Core systems, including MSS/MGW, STP, DRA, HSS, HLR, SBC, CSCF, TAS Create detailed specifications for low-level design and ensure successful project delivery Perform integration testing for new software releases and validate system performance Coordinate complex cross-functional programmes and projects for Voice Core systems Develop architectural documentation, testing scenarios, acceptance plans, and network evolution strategies Who You AreUniversity degree in Telecommunications, IT, or a related field Strong technical knowledge of telecom and IT domains Deep understanding of Voice Core technologies and protocols defined by 3GPP for CS and IMS Experience with software lifecycle processes: planning, development, testing, implementation, and optimisation Ability to work effectively in virtual teams and collaborate with external clients across multiple markets Not a Perfect Fit?Concerned you may not meet every requirement? Vodafone is committed to creating an inclusive workplace where everyone can thrive. If you are excited about this role but your experience does not align exactly with every aspect of the job description, you are encouraged to apply. You may be the right candidate for this or another opportunity, and the recruitment team will support you in exploring where your skills fit best.What Skills You Will LearnAdvanced design and integration techniques for Voice Core systems Project coordination and delivery in a global telecom environment Expertise in 3GPP standards and interoperability of complex systems Join UsAt Vodafone, we’re working hard to build a better future. A more connected, inclusive and sustainable world. As a dynamic global community, it's our human spirit, together with technology, that empowers us to achieve this.We challenge and innovate in order to connect people, businesses, and communities across the world. Delighting our customers and earning their loyalty drive us, and we experiment, learn fast and get it done, together.With us, you can truly be yourself and belong, share inspiration, embrace new opportunities, thrive, and make a real difference.What’s In It For You Hybrid way of working: 2 days per week/ 8 per month Medical and dental services Life and hospitalization insurance Dedicated employee phone subscription Take control of your benefits and choose any of the below options: MEAL TICKETS/ PRIVATE PENSION/VACATION VOUCHERS/ CULTURAL VOUCHERS within the budget Special discounts for gyms and retailers Annual Company Bonus Ongoing Education – we continuously invest in you to ensure you have everything needed to excel on the job and enhance your skills You get to work with tried and trusted web-technology We let you write your own story by planning vacations: go for a trip, experience new things, have fun and enjoy your 23 days off Special Paternal Program - 4 months of paid paternity leaveWe recognize and celebrate the importance of diversity and inclusivity in our workplace so that we are as diverse as the customers and communities we serve. We do not tolerate any form of discrimination especially related to but not limited to race, color, age, veteran status, gender identification, sexual orientation, pregnancy, ethnicity, disability, religion, political affiliation, trade union membership, nationality, indigenous status, medical condition, HIV status, social origin, cultural background, social or marital status Worried that you don’t meet all the desired criteria exactly? We are passionate about Inclusion for All and creating a workplace where everyone can thrive, whatever their personal or professional background. So, if you’re excited about this role but your experience doesn’t align exactly with every part of the job advert, we encourage you to apply as you may be just the right candidate for this role or another role, and our recruitment team can help see how your skills fit in.#VOIS