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Comcast

Network Test Engineer 3

Posted 2 Days Ago
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In-Office
Chennai, Tamil Nadu
Senior level
In-Office
Chennai, Tamil Nadu
Senior level
Develop and maintain automated test code to validate front-end, middleware and database systems. Test and integrate telecom systems (Nokia IMS, Ribbon C20, Telco Cloud), troubleshoot VoIP and Class 5 switch behavior, analyze signalling/protocols (SIP, H.248, Diameter, MGCP, C7), perform datafilling and interconnect tests, use Wireshark, script and query databases, document results, and mentor junior engineers.
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Comcast brings together the best in media and technology. We drive innovation to create the world's best entertainment and online experiences. As a Fortune 50 leader, we set the pace in a variety of innovative and fascinating businesses and create career opportunities across a wide range of locations and disciplines. We are at the forefront of change and move at an amazing pace, thanks to our remarkable people, who bring cutting-edge products and services to life for millions of customers every day. If you share in our passion for teamwork, our vision to revolutionize industries and our goal to lead the future in media and technology, we want you to fast-forward your career at Comcast.

Job Summary

Responsible for validating product quality by analyzing and testing the quality of the codebase. Makes decisions affecting architecture of the test codebase including which software to use for writing test code. Focuses on writing code that will be executed in an automated and repeatable fashion which will reduce manual testing efforts and increase code quality and consistency. Develops and maintains code that validates front-end, middleware and database systems, using the latest tools and common programming languages. Provides input into various software development lifecycle stages. Partners with software engineers to write efficient automation code using coding standards and best practices. Executes automated code and creates comprehensive execution reports for team. Repairs complex broken automation scripts and performs peer reviews of automation codebase. Has in-depth experience, knowledge and skills in own discipline. Usually determines own work priorities. Acts as resource and mentor for colleagues with less experience.

Job Description

Core Responsibilities

  • Strong previous background working in telecommunications   industry. 

  • Experience in a test and integration environment 

  • Experience and knowledge working with the Nokia IMS, Ribbon C20 and Nokia Telco Cloud platform architecture and interworking principles in order to support associated services 

  • You should have good communication skills to work with other areas of the business 

  • Knowledgeable in voice switch translation and UK & ROI dial plans 

  • Knowledgeable in voice protocols, including SIP, H248 and Diameter 

  • Experience of server operating systems, IP and in the use of Wireshark. 

  • Excellent ability to work in a pressured real-time environment.   

  • Analytical mind-set and approach to problem solving, network changes 
     

    Essential. 

    Knowledge of Class 5 TDM switch architecture; with experience on Ribbon and Huawei switches desirable 

    Knowledge of VoIP and Softswitch architectures preferable. 

    Candidates should have a detailed knowledge of some of the following protocols and signalling systems as well as other standards associated with telephony switching in the UK such as SIP, C7, MGCP, H.248 and Diameter 

    Knowledge of UK numbering plans and  UK switched telephone network in general 

    Capability to document information in a clear and precise manner for Implementation, testing and Operational teams 

    Understand all elements of the IMS and C20 

    Be able to datafill all elements of the IMS and C20 

    Understand key pieces of test equipment such as Wireshark 

     

    Be able to datafill interconnects on the IMS and C20 

     

    Experience in scripting and databases 

 

Employees at all levels are expected to:

  • Understand our Operating Principles; make them the guidelines for how you do your job.
  • Own the customer experience - think and act in ways that put our customers first, give them seamless digital options at every touchpoint, and make them promoters of our products and services.
  • Know your stuff - be enthusiastic learners, users and advocates of our game-changing technology, products and services, especially our digital tools and experiences.
  • Win as a team - make big things happen by working together and being open to new ideas.
  • Be an active part of the Net Promoter System - a way of working that brings more employee and customer feedback into the company - by joining huddles, making call backs and helping us elevate opportunities to do better for our customers.
  • Drive results and growth.
  • Support a culture of inclusion in how you work and lead.
  • Do what's right for each other, our customers, investors and our communities.

Disclaimer:

  • This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.

We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That's why we provide an array of options, expert guidance and always-on tools that are personalized to meet the needs of your reality—to help support you physically, financially and emotionally through the big milestones and in your everyday life.


Please visit the benefits summary on our careers site for more details.

Education

Bachelor's Degree

While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.

Certifications (if applicable)

Relevant Work Experience

5-7 Years

Comcast is an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law.

Top Skills

Nokia Ims,Ribbon C20,Nokia Telco Cloud,Sip,H.248,Diameter,C7,Mgcp,Voip,Softswitch,Class 5 Tdm Switch,Ribbon,Huawei,Wireshark,Ip,Scripting,Databases

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