Applied R&D Engineer 3 - IVT

Nokia; Chennai District; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Nokia in Chennai is seeking an Applied R&D Engineer to conduct targeted research and apply findings to the design, development, and incremental improvement of VoIP related products and services. You will integrate, verify, test, and modify software, hardware and system components to meet demanding specifications.

The role requires a strong telecom background, hands-on testing with SIP, IMS, VoLTE, and related protocols, plus experience with testing tools like SIPp and voiceTool.

Qualifications

• 5+ years experience in VoIP related product testing (FTTx, Access gateway, softswitch or IMS).
• Hands-on experience in testing/traffic simulation tools like SIPp, voiceTool.
• Experience with test automation in Python and Shell; automation frameworks such as Robot or Selenium.
• Experience with products like xDSL, GPON, IPDSLAM.

Responsibilities

• Conduct target-oriented VoIP related product testing across FTTx, Access gateway, softswitch, IMS.
• Use SIPp and voiceTool for traffic testing and validation.
• Develop and apply test automation in Python and Shell; leverage Robot or Selenium.
• Work with xDSL, GPON, IPDSLAM products aligned to the product line.

Skills

VoIP protocols

IMS

VoLTE

SIP testing

RTP/RTCP

Voice codecs

Python

Shell scripting

Robot

Selenium

SIPp

voiceTool

Netconfig/Yang

Education

Bachelor or above in Telecommunications/ Electronics/ CS

Tools

SIPp

voiceTool

Robot

Selenium

Netconf/Yang

Job description

Job Description

The Applied R&D Engineer conducts target-oriented research to directly apply findings to the specification, design, further development, and incremental improvement of products, services, systems, tools, processes, etc. Integrates, verifies, tests, and modifies SW / HW / system components and capitalises on innovative solutions to meet particular requirements and specifications.

Job Description

The Applied R&D Engineer conducts target-oriented research to directly apply findings to the specification, design, further development, and incremental improvement of products, services, systems, tools, processes, etc. Integrates, verifies, tests, and modifies SW / HW / system components and capitalises on innovative solutions to meet particular requirements and specifications.

How You Will Contribute And What You Will Learn

• Strong technical background of VoIP related protocols, such as SIP, H.248, T38, RTP, etc Familiar with voice test instrument, such abacus, fax/modem
• Core knowledge in IMS, VoLTE, VoIP, SIP Testing domain , voice quality/QoS, ITU-T G.168 echo cancellation, DSP ,Voice codecs, RTP/RTCP, RFC2833” and Management protocols: SNMP, Netconfig/Yang.
• Good Understanding RJ11, Z-interface specs.
• Strong Knowledge in Testing Concepts & Methodologies, Test Strategy & Test Plan.

Key Skills And Experience

You have:

• Bachelor or above, telecommunication, electronic engineering, computer science, or related major preferred with 5+ years Experience in VoIP related product testing ( FTTx, Access gateway, softswitch or IMS).
• Hands of Experience in Testing / Traffic Simulation Tools like SIPp ,voiceTool.
• Exposure to Test Automation, hands on experience in automation development in Python & Shell and automation frame work , like Robot, Selenium.
• Experience with products like xDSL, GPON, and IPDSLAM, aligning well with the product line will be added advantage.

It would be nice if you also had:

• Analytical skills and problem-solving aptitude
• Understanding of IPV4/IPV6 addressing and TCP/IP and basic understanding of L2/L3 routing.
• Works with substantial discretion and uses specialist knowledge, analytical skills, judgment and broad conceptual and practical experience to solve complex problems and to contribute to process improvements