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Voice Core Senior Engineer

Aggregate function:  Technology
Business Area:  VT Netw. Strategy Archit. Eng.
Posting Country:  Romania
Date Posted:  8 Aug 2025
Full Time / Part Time:  Full Time
Contract Type:  Permanent

At 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 be truly be yourself and belong, share inspiration, embrace new opportunities, thrive, and make a real difference.

Your day to day:

To Implement Voice Core CS and IMS network services and solutions through liaising with different business domains to capture business requirements and customer’s needs, the role include automating the Voice Core Tests using a specialized tool and requires a since of SW Engineering.

With these activities you will have a great impact on our business:

  • Participate in the Lab Testing, Implementation Verifications of mobile network Voice Core CS and IMS solutions in a consistent way with the department Product Catalogue, strategy and architecture
  • Deliver technical service in Voice Core CS and IMS network.
  • Configure new BSC and  deconfigure  old BSC
  • Deconfigure the last RNC
  • Deconfigure 3G LACs, Auxillary LACs

With these skills you are a great candidate:

  • 3 to 5 years of experience in Voice Core CS and/or IMS Mobile networks and transport transmission inside a mobile operating company.
  • Background in mobile network technology (implementation, support, operation and roll out of services).
  • Background in Coding and scripting
  • B.Sc. of Electronics & Communication Eng or equivalent..
  • Experience in delivering E2E core solution designs, IMS and interconnection services.
  • Excellent Knowledge of protocols and products in transport: transmission, IP, IMS.
  • Deep understanding of protocols, call flows and products in fixed and mobile networks, in particular IMS, SIP, Diameter.
  • Strong understanding of project management skills (methodologies and tools) proven by a successful track record of project delivery.

Sounds like the perfect job? We’ve got even more to offer:

  • Work from Home – hybrid approach
  • Medical and dental services
  • Life and hospitalization insurance
  • Dedicated employee phone subscription
  • 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
  • Getting in on the ground floor of a technology changing company
  • Flexible Vacation – Take time off when you need it, we trust you 
  • Special Paternal Program - 4 months of paid paternity leave 

 

We 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, colour, 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    

Vodafone is committed to attracting, developing and retaining the very best people by offering a motivating and inclusive workplace in which talent is truly recognised and rewarded. We are committed to promoting Inclusion for All with the belief that diversity plays an important role in the success of our business. We actively encourage everyone to consider becoming a part of our journey.

Apply now »