Junior 2nd Line Core Enabler Operations

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

We are seeking a skilled professional to manage second-line operations for Mobile Data and Voice Platforms in a multi-vendor environment. This role focuses on preventive and corrective troubleshooting to ensure service continuity and rapid restoration for Packet and Voice Core Network elements. You will collaborate closely with first-line operations teams, perform data configuration, software rollouts, and support integration activities with planning and delivery functions.

• Provide troubleshooting and repair actions during incidents, including vendor escalation, to restore service performance.
• Conduct proactive maintenance activities such as daily walkthroughs and health checks for Packet and Voice Core components.
• Resolve network-related customer complaints within SLA, including tracing and debugging across Packet/Voice Core elements (AAA, PCRF/NPC, DSR/DRA).
• Perform complex traffic and end-to-end service trend analysis, including protocol analysis.
• Share knowledge to enhance technical skills across teams and support onboarding of new technologies through vendor and on-the-job training.
• Assist with planned work activities, upgrades, and service request implementations to maintain quality and avoid regressions

• Strong understanding of mobile core protocols (TCP/IP, UDP, SCTP, GTP, Radius, Diameter, LDAP, SIGTRAN, RANAP, GMM).
• Skilled in end-to-end Packet Switch network analysis, troubleshooting, and interpreting traces (Wireshark, network element logs).
• Good knowledge of mobile network architectures (2G/4G/5G, VoLTE, NB IoT) and experience with major vendor technologies (Nokia, Ericsson, Cisco, Huawei, ENEA).
• Eager to learn and adapt to new technologies.
• Excellent communication skills and proficiency in English (spoken and written).
• University degree in Electronics, Telecommunications, or Information Technology.
• Hands-on experience with Packet/Voice Core elements (AGW, EPG, AAA, NPC/PCRF, DSR/DRA).
• Scripting knowledge (Linux, Python, Ansible) is desirable.

Worried that you don't meet all the desired criteria exactly? At Vodafone we are passionate about Inclusion for All and creating a workplace where everyone can thrive, whatever their personal or professional background. If you're excited about this role but your experience doesn't align exactly with every part of the job description, we encourage you to apply as you may be the right candidate for this role or another role, and our recruitment team can help you see how your skills fit in.

• 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 leave

• Advanced troubleshooting and protocol analysis across complex mobile networks.
• Integration and upgrade processes for Packet and Voice Core components.
• Automation and scripting skills for network operations

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.

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

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