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Principal Python Software Architect, QA

Comcast
Philadelphia, United Statesfull_timeVerifiedPosted 3 Nov 2025

About the role

Make your mark at Comcast -- a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award-winning technology team that turns big ideas into cutting-edge products, platforms, and solutions that our customers love. We create space to innovate, and we recognize, reward, and invest in your ideas, while ensuring you can proudly bring your authentic self to the workplace. Join us. You’ll do the best work of your career right here at Comcast. (In most cases, Comcast prefers to have employees on-site collaborating unless the team has been designated as virtual due to the nature of their work. If a position is listed with both office locations and virtual offerings, Comcast may be willing to consider candidates who live greater than 100 miles from the office for the remote option.)

Job Summary

Responsible for designing and executing test environments for Quality Assurance Engineers. Tests products, software and web applications to ensure quality and a successful roll-out. Assists in managing project teams, developing test strategies and designing quality assurance practices. Leads Engineering teams in investigation processes which includes identifying, reproducing and resolving defects, bugs, or problems. Recognized as an expert in own area within the organization. Provides guidance and mentorship to junior Engineers.

Job Description

*This position is unable to provide work authorization sponsorship or immigration support now or in the future.*

The Technology + Product organization works at the intersection of media and technology and our innovative teams are continually developing and delivering products and next-generation technologies that transform the customer experience.

About the Role:

We're looking for a Principal Python Software Architect, QA to join our team. This role is for a highly experienced individual who can design and build the sophisticated frameworks that will ensure our broadband infrastructure is high-quality and reliable. You'll be the lead on quality assurance for our cloud-native, microservices-based applications, using your expert Python and software architecture knowledge to turn complex requirements into robust, automated tests.

What You’ll Do:

  • Architect, develop, and maintain complex, scalable, and modular Python-based test automation frameworks that support both functional and integration testing.
  • Design and implement automation test cases, ensuring that quality assurance is a "shift-left" consideration in all development.
  • Act as a key technical leader in ensuring the delivery of high-quality, scalable, and reliable DOCSIS/PON-based applications.
  • Collaborate with engineering, product, and manual QA teams to gather requirements and translate them into automated test cases.
  • Manage operational quality and contribute to the Core Virtualization project by applying robust testing methodologies and practices.
  • Troubleshoot complex system issues through strong analytical and debugging skills.
  • Participate in Agile ceremonies and integrate QA into DevOps pipelines.
  • Actively mentor junior team members and promote best practices in python software development and  QA.

Skills & Experience We’re Looking For:

  • Expert-level Python/Pytest programming skills with a proven track record of designing, building, and maintaining complex test automation frameworks and tools.
  • Deep understanding of software architecture and design patterns such as OOPs and OO design as they apply to building robust, scalable automation.
  • Strong experience working with Ubuntu/Linux environments and comfort with CLI-based tools and scripting.
  • Proficiency with test tools such as Ixia, ByteBlower, and general traffic simulation platforms.
  • Solid understanding of networking concepts, including switching, routing, and network protocols (e.g., TCP, UDP, BGP, ISIS, HTTP/S, multicast).
  • Experience with Kubernetes, Docker, and containerized test environments.
  • Ability to analyze packet captures, simulate network conditions, and validate end-to-end performance.
  • Familiarity with CI/CD tools like Jenkins, GitLab CI, and version control using Git.

Team Culture & Values:

  • Mutual respect, trust, and openness to ideas.
  • Continuo

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Company

Comcast

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