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2nd Line Roaming Support Specialist

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Vodafone

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Location:
India , Pune

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Contract Type:
Not provided

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Salary:

Not provided

Job Description:

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

Job Responsibility:

  • 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

Requirements:

  • 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
What we offer:
  • 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

Additional Information:

Job Posted:
February 19, 2026

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