Voice Core Specialist

Job Description

Who we are

VOIS (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 #CreateTheFuture

About this Role

We are seeking a Voice Core Specialist to support the testing, validation, and improvement of Voice and Data Mobile interconnect systems in line with 3GPP standards. The role focuses on verifying system information, testing new software releases, and ensuring accurate data processing for roaming services across European Vodafone operators. The individual will work closely with diverse teams to maintain high‑quality performance of roaming databases and support commercial roaming agreements.

What you will do

• Verify and test the performance of system information and software functions for Voice and Data Mobile interconnect systems.
• Test functionalities of new software releases and ensure accurate updates to roaming database structures for commercial roaming services.
• Define software requirements for the Voice Core interconnection information system and identify consistency issues within IR.21 and IR.85 data.
• Create client‑specific software and hardware design specifications for Voice Core interconnection tools.
• Participate in testing initiatives for new functionalities developed based on prior requirements.
• Contribute to automation of configuration processes and propose software enhancements for applications that use IR.21 and IR.85 documentation.
• Support delivery of configuration files, conduct audits, and perform regular health checks for roaming partnerships.

Who you are

• A quick learner with a reliable, collaborative approach.Comfortable working across diverse teams and departments.
• Possess strong communication and problem‑solving skills, with the ability to work independently and under pressure.
• Fluent in written and spoken English.
• Knowledgeable in mobile network architectures and systems.
• Experienced in IREG and roaming integration testing across multiple platforms.
• Customer‑focused and proficient in MS Office.
• Possess more than two years of telecom experience, with in‑depth knowledge of roaming signalling for voice and data traffic.

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.

VOIS Equal Opportunity Employer Commitment

Vodafone recognises and celebrates the value of diversity in building a workforce that reflects the customers and communities it serves. No form of discrimination is tolerated. This includes, but is not limited to, discrimination based on race, colour, age, veteran status, gender identity, gender expression, sexual orientation, pregnancy, maternity or parental status, ethnicity, disability, religion or belief, political affiliation, trade union membership, nationality, citizenship, indigenous status, medical condition, HIV status, neurodiversity, social origin, cultural background, marital or civil partnership status, or socio-economic background.

Join Us

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.

Alert

Apply for Vodafone jobs only through the official Vodafone Careers website to avoid job scams and fraud.
#JDEnhancedByTARA

Follow us on social media and #StayConnected

• LinkedIn: https://www.linkedin.com/company/vois/
• Facebook: https://www.facebook.com/voisglobal
• Instagram: https://www.instagram.com/voisglobal/
• You can also chat with our employees to learn more about our projects: https://lnkd.in/dpkrcvR2

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