Lab Networking Engineer
Comcast
8 - 10 years
Chennai
Posted: 25/02/2026
Getting a referral is 5x more effective than applying directly
Job Description
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
Requirements and Responsibilities
·Prepare reports on network performance, incidents, and resolutions for management review
·Operate various RF, video, and optical test equipment: spectrum analyzer, RF signal level meter etc
·Reviews and verifies requirements and design specifications for validity in overall product design, with an emphasis on product testability and verification.
Reviews project progress, evaluates results, and recommends corrections in technical
applications and analysis.Collaborates with Product and Development teams to identify product and technical requirements.
Work as a motivated team player and open develop new skillset as demanded by the job
Other duties and responsibilities as assigned.
Skills Required
Bachelor’s degree in Electronics and Communications, Computer Engineering, Computer Science, or related technical field.
8-10 years of experience in Wi-Fi Infrastructure, Networking and Headend with hands-on experience in different kinds of networking devices
Experience with network hardware such as routers, switches, and access points, along with familiarity with testing equipment.
Experience in working with the development team and QA team for Infrastructure requirements and architectural/design reviews
·Strong understanding on the RF, DOCSIS and Fiber/PON technology terms like Signal level, MER, SNR, etc.
Strong analytical and problem-solving skills, excellent communication abilities, and the capacity to work both independently and collaboratively
Proven ability to work with technology partner/vendor teams to troubleshoot problems.
Background in working in highly automated product test environments and able to assist in test automation/maintenance when necessary.
Execute automated test scripts to validate the reliability of the infrastructure and present results to the team
Proficiency with networking devices (e.g., routers, switches, firewalls) and knowledge of networking protocols (TCP/IP, DNS, DHCP). Familiarity with automation tools and scripting languages is advantageous
Understanding of video product regulatory requirements and test in areas such closed captioning, EAS, IP video streaming, audio/video codec; Dolby Digital Plus, Bluetooth Distribution, EAC3, and others will be plus.
Hands-on experience with device/consumer products, video/broadcasting solutions is a big plus.
Troubleshooting and root-cause-analysis skills; able to lead cross-functional team triage.
Decent understanding of DHCP flow, TCP-UDP protocols, CPE-IPv4/6, Multicast, working knowledge of IS-IS
Experience with cable industry standard practices, interfaces, operating systems, and protocols such as DOCSIS 3.0/3.1/4.0, SIP, and Packet Cable
Expertise/Technical Skills
OS: Strong Linux Skills
Languages: Scripting languages preferred
Others: HTTP(s), TCP/IP, Multicast, Unicast, RTSP, IGMP, Cable-Modem, DOCSIS
Relevant certifications, such as Certified Wireless Network Administrator (CWNA) or Cisco Certified Network Professional (CCNP)
Compliance Comcast is an EEO/AA/Drug Free Workplace.
Disclaimer The above 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.
#CIECTN25
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 DegreeWhile 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 YearsComcast 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.About Company
Comcast is a telecommunications company offering cable TV, broadband, and phone services. It also owns NBCUniversal and produces content for television, movies, and streaming. Comcast is investing in next-gen technologies like 5G and broadband expansion to improve service accessibility.
Services you might be interested in
Improve Your Resume Today
Boost your chances with professional resume services!
Get expert-reviewed, ATS-optimized resumes tailored for your experience level. Start your journey now.
