Senior Manager-2nd Line Roaming Support Specialist

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 highly experienced specialist to ensure the continuous availability, stability, and performance of international roaming platforms and services, including 5G SA/NSA, Diameter Routing solutions, signalling systems, and value-added roaming services. The individual will act as a subject matter expert, handling incident resolution, change delivery, platform optimisation, and vendor engagement while contributing to operational excellence, security compliance, and service improvements

What you will do

• Manage all hardware, software, and configuration tasks across roaming platforms, ensuring timely resolution of incidents within agreed SLAs.
• Support Incident Management teams by leading complex incident investigations, delivering root cause analyses, and implementing permanent fixes.
• Own, plan, and execute changes by reviewing and performing Methods of Procedure (MoPs) for software upgrades, capacity enhancements, certificates, security patches, and platform updates.
• Review and validate changes initiated by external teams to ensure risk-free implementation and continuous service availability.
• Monitor and optimise core network KPIs, identifying deviations and implementing corrective actions.
• Troubleshoot 2G/3G/4G/5G SA/NSA protocol-level message flows as per 3GPP standards.
• Collaborate closely with external vendors to resolve complex technical issues and obtain required support.
• Drive cybersecurity compliance by ensuring timely execution of patches and security hardening.
• Support new project transitions by reviewing HLDs and LLDs, conducting functional and non-functional validations, and performing system testing.
• Identify and deliver service improvement initiatives focused on operational tools, processes, and workflows.
• Participate in trainings and knowledge-sharing workshops to build expertise across the team.
  
  

Who you are

Experienced in 3GPP technologies, including 4G and 5G SEPP.

• Skilled in working with PAAS and CAAS-hosted platforms.
• Strong understanding of roaming and interconnect networks, including Diameter, SS7, N32 signalling, and GTP.
• Proficient in Linux administration across multiple distributions.
• Demonstrates strong analytical thinking, problem-solving ability, and a solutions-driven mindset.
• Holds 12+ years of telecom core operations experience, with expertise in platforms such as Tekelec DRA, Oracle STP, firewalls, number portability databases, 5G SEPP, and Tomia VAS systems.
• Experienced with Kubernetes, virtualisation, clustering, and Linux systems like Red Hat, CentOS, and Ubuntu.
• Skilled in vulnerability management, security hardening, and database support.
  
  

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 next‑generation global roaming and signalling platforms.
• Exposure to evolving 5G SA/NSA technologies and cross‑functional global teams.
• Involvement in high‑impact operational excellence initiatives and innovation activities.
• Ability to shape and influence technical improvements across critical telecom systems
  
  

What Skills You Will Learn

Advanced telecom signalling and roaming domain expertise across 3GPP technologies.

• Enhanced skills in Kubernetes, virtualisation, cloud-native architectures, and container orchestration.
• Deepened competencies in cybersecurity and vulnerability management.
• Broader experience in cross‑market collaboration, vendor management, and change governance.
  
  

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, its 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

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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/
• Chat with our employees: https://lnkd.in/dpkrcvR2

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