Device Test Engineer

1 week ago

Navi Mumbai, Maharashtra, India Tionix Solutions Private Limited Full time ₹ 1,20,000 - ₹ 2,60,000 per year

Company Description

Tionix Solutions Private Limited is a leading software development and testing company with its head office in Mumbai and regional offices in Shanghai, Hong Kong, and Poland. The company specializes in modem/chipset testing, OS testing, app testing, open network testing, IoT, application testing, software development, and cybersecurity. Serving prestigious clients worldwide, Tionix Solutions has a presence in more than 70 countries, providing reliable and efficient services to meet client needs.

Role Description

This is an on-site, full-time role for a Device Test Engineer located in Mumbai.We are looking for a highly skilled and detail-oriented
Telecom Test Engineer
with proven experience in testing telecom networks, protocols, and systems (2G/3G/4G/5G, VoLTE, IMS, etc.). The candidate will be responsible for designing test strategies, executing test cases, and ensuring compliance with telecom standards and customer requirements.Key Responsibilities

  • Plan, design, and execute
    manual and automated test cases
    for telecom products and network elements.
  • Perform
    functional, regression, interoperability, integration, and performance testing
    of telecom systems.
  • Validate
    protocol stacks
    (SIP, Diameter, SS7, MAP, GTP, HTTP/2, etc.) using tools like
    Wireshark, QXDM, TEMS, Keysight, Spirent, Anritsu
    .
  • Work on
    call flows, mobility scenarios, and end-to-end network testing
    for LTE/5G, IMS, VoLTE, VoNR.
  • Conduct
    interoperability and roaming tests
    across different vendors/operators.
  • Debug and analyze issues at the
    interface and protocol level
    .
  • Collaborate with developers, operators, and vendors for issue resolution.
  • Create
    test reports, defect logs, and test documentation
    for internal and customer use.
  • Ensure compliance with
    3GPP, ETSI, GSMA, and operator standards
    .
  • Support lab setup, testbed maintenance, and execution of automated test suites.

Required Skills & Qualifications

  • Bachelor's/Master's degree
    in Electronics, Telecommunications, Computer Science, or related field.
  • 1–3 years of experience
    in telecom domain testing (LTE/5G/IMS/VoLTE).
  • Strong knowledge of
    mobile communication technologies
    (2G/3G/4G/5G, IMS, VoIP).
  • Experience with
    protocol analyzers and test tools
    (Wireshark, QXDM, TEMS, Keysight, Spirent, Anritsu).
  • Hands-on experience in
    network simulators/emulators
    (e.g., Amarisoft, Open5GS, Ericsson, Nokia, Huawei testbeds).
  • Good understanding of
    call flows, mobility management, bearer setup, QoS, and network KPIs
    .
  • Familiarity with
    automation frameworks
    (Python, Robot Framework, or similar) for telecom testing.
  • Excellent
    debugging, analytical, and problem-solving skills
    .
  • Ability to work in
    Agile/Scrum
    environments with cross-functional teams.

Good to Have

  • Experience in
    5G Core (AMF, SMF, UPF), RAN testing, and slicing
    .
  • Knowledge of
    VoLTE, VoNR, IMS emergency call flows, and interworking with legacy networks
    .
  • Exposure to
    OSS/BSS systems, MVNO setups, and network virtualization (NFV, SDN)
    .
  • Experience with
    cloud-native telecom environments
    (Kubernetes, Docker, OpenStack).

Benefits

  • Competitive compensation & benefits.
  • Exposure to
    next-generation telecom technologies (5G, IMS, IoT, ORAN)
    .
  • Opportunity to work with
    global telecom vendors/operators
    .
  • Flexible work environment and learning opportunities.

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