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Job Details

Comcast Corporation

Software Development Engineer in Test (SDET)



Full Time

On Site


Philadelphia, Pennsylvania, United States

Comcast’s Technology, Product & Experience organization works at the intersection of media and technology. Our innovative teams are continually developing and delivering products that transform the customer experience. From creating apps like TVGo to new features such as the Talking Guide on the X1 platform, we work every day to make a positive impact through innovation in the pursuit of building amazing products that are enjoyable, easy to use and accessible across all platforms. The team also develops and supports our evolving network architecture, including next-generation consumer systems and technologies, infrastructure and engineering, network integration and management tools, and technical standards. Because our employees are our most valuable asset, we offer a flexible working environment to balance the need to work independently wherever you choose, with days that require collaboration at one of our offices. Our roles primarily reside inside or around one of our Tech Hubs (Philadelphia and surrounding suburbs, Denver, Austin, Silicon Valley, Washington DC/N. Virginia).

Job Summary

We are currently looking for an enthusiastic Software Development Engineer in Test to join the CDS team. The CDS team develops the core metadata platforms that powers X1, XClass, Flex, Peacock, SkyGlass etc. As a test engineer of our team, you will develop, execute and maintain functional, regression, data monitoring, and performance tests. You will help deliver high-quality products to customers. You’re a great fit if you are passionate about automated software testing, have a strong understanding of web services and APIs, love to own your projects, and are a team player with excellent interpersonal and organizational skills.

Job Description

Core Responsibilities

  • Write automated test code, using the same standards as a Software Engineer, that allows for repeatable, reliable testing solutions to test the wide functionality of products and software, maintaining automation codebase in a version control system like Github.
  • Develop automated scripts for functional, regression and system performance testing
  • Execute automated test scripts and manual tests on each build.
  • Analyze broken test cases, diagnose and repair to working order.
  • Perform code reviews of automation code.
  • Coordinate build deploys in qa and production environments.
  • Help with triaging production and integration issues.
  • Effectively communicate ideas, concepts, and priorities to both team members and leadership.
  • Serve as a guide and mentor for junior engineers. Provides technical assistance with regards to test automation practices, procedures, and techniques.
  • Collaborate with Product Owners, Stakeholders, and Engineers to define technical test solutions and improve customer experience.
  • Other duties and responsibilities as assigned.

Preferred Skills

  • Proficiency with Java and/or another coding language
  • Proficiency with Web Services, API testing (REST API, GraphQL)
  • Familiarity with test frameworks (example – TestNG, Gatling)
  • Experience in using CI/CD tools (Maven, Jenkins, Git, etc.)
  • Experience with monitoring tools (Grafana, Elasticsearch, etc.)
  • Familiarity with messaging solutions such as Kafka, SNS/SQS, RabbitMQ
  • Familiarity with database and data cache (Oracle, Redis)
  • Unix, Linux or Mac background
  • Familiarity with current trends and technologies for software automation

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.
  • Respect and promote inclusion & diversity.
  • Do what's right for each other, our customers, investors and our communities.


  • 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.

Comcast is an EOE/Veterans/Disabled/LGBT employer.

Comcast is proud to be 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, or any other basis protected by applicable law.


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.

Relevant Work Experience

5-7 Years

Base pay is one part of the Total Rewards that Comcast provides to compensate and recognize employees for their work. Most sales positions are eligible for a Commission under the terms of an applicable plan, while most non-sales positions are eligible for a Bonus. Additionally, Comcast provides best-in-class Benefits. 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 [Register to View] on our careers site for more details.