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QE Engineer – Telecom Core & Services Validation

0 years

0 Lacs

india

Posted:2 weeks ago| Platform: Linkedin logo

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Skills Required

network architecture engineering troubleshooting integration billing provisioning sim test strategies interoperability xml rest json mobile data triage management documentation reporting confluence jira wireshark qtest design planning debugging networking tcp udp http sip ldap tunneling unix sql mongodb scalability devops kubernetes communication interface service

Work Mode

On-site

Job Type

Full Time

Job Description

Core and Services QE organization

Key Responsibilities

  • Develop and execute

    acceptance test plans

    , test strategies, test cases, and test scripts for functional, integration, and E2E testing.
  • Validate end-to-end subscriber provisioning, converged charging, broadband charging (MBC), prepaid, EMM, roaming, MVNE systems, and ensure smooth lab-to-operations handover.
  • Provide

    expert-level diagnostic investigation

    for platform and interoperability issues impacting services and products.
  • Perform validation and troubleshooting of APIs (SOAP, XML, REST, JSON) and web services.
  • Conduct mobile test traffic generation (calls, data, SMS) and validate CDR (Call Detail Record) generation.
  • Collaborate cross-functionally with vendors, engineering, and internal teams to triage new and existing features.
  • Provide

    daily status updates

    to management on project priorities and deliverables.
  • Ensure documentation, reporting, and knowledge-sharing using tools such as Confluence, JIRA, Wireshark, and qTest Manager.

Required Skills & Experience

  • Proven experience in

    test design, planning, execution, and validation

    of applications and platforms.
  • Strong debugging and problem-solving skills in mobile platforms; ability to work well under pressure.
  • Hands-on experience with

    telecom billing systems

    (e.g., SAMSON, prepaid platforms) and telecom protocols.
  • Solid understanding of

    networking technologies and protocols

    : TCP, UDP, HTTP/S, SIP, DIAMETER, LDAP, SS7, MSRP, tunneling, IPv4/IPv6.
  • Proficiency with

    operating systems

    : UNIX, Linux.
  • Knowledge of

    databases

    : SQL, MongoDB (schema design, data modeling, scalability, and security).
  • Familiarity with

    IMS and Packet Core services

    (e.g., PCRF, GGSN).
  • Exposure to

    cloud architecture and DevOps technologies

    (e.g., Kubernetes, Docker).
  • Excellent communication skills to interface with users, technical teams, and management for requirements gathering, technical design discussions, and product validation.

Preferred Qualifications

  • Experience with

    Nokia and Ericsson platforms

    for subscriber provisioning in wireless carrier systems.
  • Background in

    telecom service

    validation and troubleshooting across

    billing and provisioning flows

    .
  • Good knowledge of

    wireless telephony fundamentals

    and mobile network architectures.

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