Test Engineer
Pune, IN
6d ago

Mavenir is the industry's only end-to-end, cloud-native network software provider. Focused on accelerating software network transformation and redefining network economics for Communications Service Providers (CSPs) by offering a comprehensive end-to-end product portfolio across every layer of the network infrastructure stack.

From 5G application / service layers to packet core and RAN Mavenir leads the way in evolved, cloud-native networking solutions enabling innovative and secure experiences for end users.

Leveraging industry-leading firsts in VoLTE, VoWiFi, Advanced Messaging (RCS), Multi-ID, vEPC, and Virtualized RAN, Mavenir accelerates network transformation for more than 250+ CSP customers in over 120 countries, serving over 50% of the world’s subscribers.

Role Summary

This role will be involved with all System Test activities within ip.access. The position is part of an established team responsible for feature and system testing of a range of LTE, 3G and 2G products which includes for IP based in-house (femto-cell) and in-building (nano-cell) access points and applications such as Network Management Systems.

Key Responsibilities

  • Set up necessary test equipment (such as 5G, LTE, 3G and GSM network elements and simulators and protocol analysers, air interface analysers (TEMS or QXDM)).
  • Write and Execute system test plans for functional, stress and soak tests.
  • Undertaking testing of feature and regression testing of current releases.
  • Identifying, analysing and reporting defects found using appropriate fault management tools.
  • Interface with development teams to clarify issues and resolve any conflicts.
  • Review of internal release artefacts & user documentation
  • Support customer integration and troubleshooting, both remotely and on customer sites as required
  • Investigate reported issues, assist in triage activities & review fixes before delivery.
  • Improvement of overall quality of products by executing test procedures as per plans, recording issues observed, promptly & effectively communicating issues to the development team
  • Job Requirements

    Skill Set Requirements :

    Essential :

  • Strong understanding of software test lifecycle, testing methodologies and techniques.
  • Proficient in interpretation of ETSI / 3GPP specifications and devising relevant tests strategies.
  • Demonstrable hands on experience of end-to-end testing of LTE and 3G systems.
  • Have hands on experience in RNC testing. Have tested 3GAP Gateway or LTE gateway.
  • Knowledge of mobile communication products and protocols. Knowledge of 3G and LTE protocol stack.
  • Ability to interpret protocol message traces and use them to diagnose problems.
  • Testing of virtualized platform software.
  • Should be able to understand (and provide inputs for) virtualized architecture for telecom products
  • Should have thorough knowledge of Virtualization tools such as KVM, QEMU, OpenStack, oVirt etc.
  • Should be aware of containerization technologies such as Docker, Kubernetes, OpenVZ etc
  • Should be aware of security challenges and performance limitations for Virtualized platforms.
  • Good understanding or appreciation of hardware and performance
  • Strong Networking and Linux (Preferably Ubuntu / WindRiver Flavors) concepts
  • Proficiency in hands-on debugging of real-time systems
  • Practical experience of IP networking, including configuration of routers, DHCP servers, etc.
  • Experience in using with test management system Testlink, Quality Center
  • Experience in using fault tracking, reporting and management tool (such as Redmine, MKS, RCS, Clear Quest, etc.).
  • A working knowledge of TCP / IP and networking in general.
  • Ability to initiate and deliver creative, innovative and effective test solutions within a team of highly skilled test engineers
  • Ability to work independently and under very tight time scales.
  • Methodical approach to carrying out tests and recording results.
  • Self-starter with high levels of energy and drive.
  • Willingness to pull out all the stops to ensure a timely and quality delivery.
  • Desirable :

  • Extensive hands on experience in 2G BTS, BSC
  • System administration level knowledge in Linux / Unix (redhat) MS Windows, including the configuration of DNS and DHCP servers.
  • Understanding of VPN and NAT.
  • Familiarity with signal generators, spectrum analysers, BER testers, etc.
  • Experience of working within the ISO 9001 quality system
  • Having working knowledge of scripting languages such as Perl, Python etc.
  • Experience of any of the following : MySQL,MariaDB, Security and Authentication, IP Networks and Protocols.
  • Hands on experience of configuring and supporting IP routers, cable modems and Ethernet switch management
  • SS7 / ATM and / or any other switch experience.
  • Knowledge of network simulator and TM500 Test Mobile and / or Trace Mobiles.
  • Experience in Automation w.r.to real Phones or Simulator phones.
  • Accessibility

    Mavenir is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities.

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