Senior Engineer - Testing (IMS/LTE/VoLTE)

IMS, LTE, VoLTE, 5g, 4g, ANT, Wireshark, IxLoad IXIA, Spirent, Keysight
Contract W2, Contract Independent, Contract Corp-To-Corp, 9 Months
$55 - $65

Job Description

Note :- While applying please mention "YBJK07 # Senior Engineer - Testing (IMS/LTE/VoLTE)" in the subject line..


Job Description :-

We are looking for a Senior Engineer - Testing to join our dynamic team.


As a Senior Engineer – Testing you will...


Be responsible for conducting complex validation and testing on 4G LTE EPC and 5G Core networks in lab using proper tools and analyzing the data accordingly.

Duties may include but not limited to product & feature performance analysis, and evaluation of new product and SW releases.

Provide security guidance and develop detailed plans for configuring, testing, and upgrading network elements as well as carry out associated hands-on tasks.

Work with vendor-specific network management and configuration systems and release documentation for cellular technologies (5G, LTE).

Responsible for E2E Test Case Execution, preparation of Test plan Document, , analyze test reports, communicate, and document test data relevant to the Network.

Document, and analyze your design maximizing the use of current platform capabilities.

Work experience resolving network issues; performing root-cause analysis and monitoring traffic flows to ensure call delivery optimization.

Show up at the Lab from 2pm – 10pm to perform call test on all lineups and provide results to the team.

Perform 4G/5G testing and troubleshooting. Debugging and analyzing VoLTE, LTE and 5G NR logs.

Knowledge on 4G LTE EPC/ SIP call flows and able to perform test plan analysis, SW download, sanity testing, and configure devices specific to test plan/feature, device logging with provided tools.

Perform functional testing for 4G/VOLTE/5G, interoperability testing, etc. and data performance testing.



The skills and experience that will help you succeed…

Bachelor's degree in Telecommunications or Electrical Engineering or related field.

6+ years of related work experience on IMS/LTE/VoLTE with different infrastructure providers and/or operators. Good understanding of 5GNR and 5technology.

Solid testing experience and post-processing, and proficiency with traffic and mobility management.

High proficiency in the following tools: ANT, Wireshark, IxLoad IXIA, Spirent, Keysight suite tools.

Proficiency 3GPP specifications, LTE/5G, IMS call flows, the SIP protocol.

Proficient troubleshooting issues for 4G/5G.

Knowledge of test methodologies and test tools applicable to mobility.

Knowledge of VMware virtualization environment for network function virtualization (good to have).

Experience on VNF Deployments, Upgrades.

Able to work effectively with others and have good interpersonal skills.

Highly organized and work well under pressure.



Nandkumar (Kumar)


APN Software services Inc. is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.”

Dice Id : apn
Position Id : YBJK-07
Originally Posted : 2 months ago
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