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Software Application Tester - III
Ref No.: 17-25273
Location: Westlake, Texas
The automation engineer at Telecommunication will work within a service development and maintenance engineering team responsible for writing scripts to test mobile voice and video services. He/she will be responsible for building and maintaining a library of automated tests to execute against the Telecommunication network, based on test plans provided by senior engineers. We are driving towards a zero-touch test environment.

To start, we are building an automation team to tackle problems in two domains. The first is end-to-end service level testing, driven mainly by device automation. The second domain is testing individual network applications. In this domain, automated tests will programmatically log into network elements/devices (bare metal and running in the cloud) and element management systems (GUIs) and execute commands, and then parse the output against pass/fail criteria. Future work includes automating network trace validation, interface-level testing, and performance testing.

The engineer will also research technical problems during automated testing, analyze test results and assess severity of issues, provide test summary and reports, facilitate troubleshooting, and work closely with other teams to resolve issues and provide general tool support. The individual will also be responsible for recommending technical enhancements to automation platforms based on work history and experience gained in developing the library of scripts. In addition, the candidate will also be responsible for maintaining the scripts that the team builds, accounting for platform, device, and feature changes over time. The ideal candidate will be a self-driven individual who completes assigned projects accurately and on time.

The position requires:

Minimum of a BS degree in an engineering discipline is REQUIRED.

Minimum of 2-4 years of overall programming experience is REQUIRED.

Minimum of 2-4 years of overall testing experience is REQUIRED, PREFERRABLY in an automation environment.

At least 2 years of python programing experience in an automation environment is PREFERRED. Alternative languages include Perl, Groovy, Scala & JavaScript.

Sound understanding of programming and software concepts and principles including database, networking, json/xml, object oriented design is REQUIRED.

At least 2 years experience of hands-on coding/scripting experience using Appium, Selenium, or a related mobile application automation framework (i.e. Perfecto Mobile) to test Android and iOS mobile applications is PREFERRED.

Familiarity with Testing Techniques and Methodologies - understanding of the various approaches used in testing, including white–box (logic driven), black–box (requirements driven), load testing, coverage testing and regression testing is REQUIRED.

Strong communication skills (both oral and verbal) are REQUIRED.


At least 1 year of Linux experience is REQUIRED.

Experience with the Robot Framework for automated acceptance testing is DESIRED.

Knowledge of and experience with IMS, SIP, VoIP and Video applications in a carrier/service provider/ISP environment is DESIRED.

Working knowledge of protocols, network technologies and standards including: 3GPP IMS-architecture, LTE, TCP/UDP, SIP, RTP, DNS, ENUM, GSMA-RCS, MMTel and other SIP/VoIP standards is DESIRED.

Experience with debugging tools such as Wireshark and QXDM is DESIRED.

Knowledge of other VoIP test, monitoring and debugging tools is DESIRED.

The work location is Westlake, TX.
Only Local Candidates will be considered. Telecommuting is not allowed.
Authorization to work in the U.S. is a pre-condition for this position.
H1 Visa sponsorship not permitted.