IoT 2nd Line Packet Core Engineer

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 skilled IoT Data Engineer (2nd Line Support) to develop, maintain, and optimise IT and telecom systems used by enterprise customers on Vodafone’s global IoT platform. This role focuses on ensuring high availability, performance, and reliability of complex systems while supporting automation, system improvements, and seamless transitions from development to operational environments. The individual will play a key role in incident resolution, system optimisation, and delivering cost-effective, high-quality services to customers.

What you’ll do

• Develop, test, and implement scripts and software solutions supporting Vodafone IoT enterprise services
• Ensure the reliability, availability, and performance of critical applications and network systems
• Provide 2nd Line technical support for network applications, including on-call responsibilities
• Analyse incidents, perform impact assessments, and implement effective technical solutions
• Modify and enhance software systems to improve performance and customer experience
• Review and implement technical and functional specifications for IT systems
• Support hardware and software changes, including documentation and implementation procedures
• Contribute to automation initiatives by identifying opportunities and developing scripts
• Participate in the creation of technical documentation, procedures, and training materials
• Monitor and meet operational KPIs such as response time, speed, and error rates

Who you are

• Experience in Telecom Core Packet Switching (e.g. GGSN, PGW, SGSN, MME, DNS, BIG-IP, Firewalls)
• Practical experience with network equipment such as Cisco, Juniper, Affirmed, and F5
• Strong understanding of telecom networks (GSM, UMTS, LTE, NB-IoT)
• Knowledge of protocols including GTP, RADIUS, Diameter, IP, BGP, MPLS, L3-VPN, and IPSEC
• Experience working with Linux/UNIX environments and virtualisation platforms (e.g. VMware)
• Hands-on experience with network analysis tools (e.g. Wireshark, tcpdump)
• Proven ability to troubleshoot complex technical issues and implement solutions
• Familiarity with monitoring tools such as Grafana and Cacti
• Understanding of ITIL methodology
• Programming knowledge (e.g. Python, Perl, Bash)
• Experience with C-SGN, GTP-Proxy, and PCRF
• Relevant certifications such as CCNA or CCNP (Service Provider preferred)
• Comfortable working in a multinational environment
• Proficiency in English (B2-C1)

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'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 leave

What skills you will learn

• Advanced troubleshooting and incident management across telecom and IT systems
• Automation scripting and system optimisation techniques
• Deep expertise in IoT platforms and telecom core networks
• Performance monitoring and service reliability improvement
• Cross-functional collaboration and customer-facing technical communication

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

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