IoT 2nd Line VoLTE 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 an IoT Voice & SMS Services Engineer to support and enhance Vodafone's global Internet of Things platform by ensuring the availability, performance, and reliability of critical telecom and IT services. This role combines operations, technical support, automation, and software development activities, with a focus on VoLTE, IMS, SMS services, network applications, and cloud-based telecom platforms. The successful candidate will contribute to service improvements, implement technical solutions, resolve complex incidents, and support enterprise customers through a high-quality operational environment.

What you’ll do

• Develop, test and implement scripts and software solutions supporting Vodafone IoT enterprise services.
• Ensure the availability, stability and performance of software, network and tooling platforms.
• Provide advanced technical support and incident resolution for hardware, software and network systems.
• Deliver 2nd Line support for network applications and services, including participation in on-call activities where required.
• Perform impact analysis and implement technical solutions to improve platform functionality and customer experience.
• Modify and optimise software solutions to improve service performance and operational efficiency.
• Review and implement technical and functional specifications across software and infrastructure environments.
• Identify automation opportunities and develop scripts to streamline operational activities.
• Support implementation, validation, testing and transition of software and hardware solutions into live operational environments.
• Create and maintain technical documentation, procedures, work instructions and knowledge articles.
• Work in line with operational agreements and service performance indicators covering response times, service quality and reliability.

Who you are

• Experience within Telecom Core environments, including Circuit Switch, VoLTE (IMS) and SMS services.
• Strong Linux/Unix command-line expertise.
• Knowledge of SS7 protocols and telecom platforms such as SMSC, NGIN, CSDB, HLR and HSS.
• Understanding of Telecom Core Packet Switch technologies within 3G and 4G networks.
• Experience working with Nokia Cloud Platform (NCP-CNF).
• Good knowledge of SIP, Diameter protocols and IMS interfaces.
• Familiarity with virtualisation and orchestration technologies such as VMware, Docker and Kubernetes.
• Understanding of IP networking concepts, infrastructure and protocols.
• Experience with SOAP and REST APIs, microservices, SOA architectures and Apache web servers.
• Programming or scripting knowledge in Bash, Perl, Python, Java, C or C++.
• Experience working in large-scale enterprise environments and solving complex technical issues.
• Knowledge of VoLTE and IMS technologies including SBC, PCRF, TAS and CFX platforms.
• Familiarity with network troubleshooting tools such as Wireshark and tcpdump.
• ITIL knowledge and strong communication skills in English (B2-C1 level).

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

• Opportunity to work on Vodafone's global IoT platform and critical telecom services.
• Exposure to modern telecom technologies including VoLTE, IMS, cloud-native platforms and containerised environments.
• Collaboration with international teams in a multinational environment.
• Opportunities to contribute to automation, innovation and platform optimisation initiatives.
• Hands-on experience supporting enterprise-scale systems and customer solutions.

What skills you will learn

• Advanced telecom core technologies including IMS, VoLTE and SMS services.
• Cloud-native telecommunications operations and container orchestration platforms.
• Automation and scripting for operational efficiency.
• Enterprise application support and incident management practices.
• Service performance monitoring and platform optimisation techniques.
• Cross-functional collaboration within global technology operations teams.

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