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 SummaryResponsible 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:Were 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. Youll 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:<ul><li>Architect, develop, and maintain complex, scalable, and modular Python-based test automation frameworks that support both functional and integration testing.</li><li>Design and implement automation test cases, ensuring that quality assurance is a shift-left consideration in all development.</li><li>Act as a key technical leader in ensuring the delivery of high-quality, scalable, and reliable DOCSIS/PON-based applications.</li><li>Collaborate with engineering, product, and manual QA teams to gather requirements and translate them into automated test cases.</li><li>Manage operational quality and contribute to the Core Virtualization project by applying robust testing methodologies and practices.</li><li>Troubleshoot complex system issues through strong analytical and debugging skills.</li><li>Participate in Agile ceremonies and integrate QA into DevOps pipelines.</li><li><div>Actively mentor junior team members and promote best practices in python software development and  QA.</div></li></ul>Skills &amp; Experience We’re Looking For:<ul><li>Expert-level Python/Pytest programming skills with a proven track record of designing, building, and maintaining complex test automation frameworks and tools.</li><li>Deep understanding of software architecture and design patterns such as OOPs and OO design as they apply to building robust, scalable automation.</li><li>Strong experience working with Ubuntu/Linux environments and comfort with CLI-based tools and scripting.</li><li>Proficiency with test tools such as Ixia, ByteBlower, and general traffic simulation platforms.</li><li>Solid understanding of networking concepts, including switching, routing, and network protocols (e.g., TCP, UDP, BGP, ISIS, HTTP/S, multicast).</li><li>Experience with Kubernetes, Docker, and containerized test environments.</li><li>Ability to analyze packet captures, simulate network conditions, and validate end-to-end performance.</li><li>Familiarity with CI/CD tools like Jenkins, GitLab CI, and version control using Git.</li></ul>Team Culture &amp; Values:<ul><li>Mutual respect, trust, and openness to ideas.</li><li>Continuous improvement through experimentation and learning.</li><li>Technical leadership and mentorship with a growth mindset.</li><li>Strong ownership, accountability, and collaborative spirit.</li><li>Balance between technical rigor and simplicity.</li><li>Enjoyment in our work with a healthy work-life balance.</li></ul><h2>About Our Perks &amp; Benefits:</h2>We are determined to create an environment where our employees feel valued, understand our business goals, and are motivated.Heres a look at just some of the perks and benefits we make available to our US-based employees:<ul><li>Medical &amp; Dental</li><li>401(k) Savings Plan</li><li>Generous paid time off</li><li>Life Milestones - from adoption assistance, childcare resources, pet insurance, and more, Comcast supports you at all life stages.</li><li>Courtesy Services - We offer all full-time employees in serviceable areas free digital TV and internet.</li><li>Discount tickets for Universal Resorts, including theme park tickets and onsite hotel rooms.</li></ul>Learn more at <a href="https://jobs.comcast.com/benefits" target="_blank">https://jobs.comcast.com/benefits</a><h2>Reasonable Accommodation</h2>We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, perform essential job functions, and receive other benefits and privileges of employment. Please contact us to request an accommodation.<h2>Disclaimer:</h2><ul><li>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.</li></ul>Comcast is an EOE/Veterans/Disabled/LGBT employer.Job Profile: Engineer 5, Quality AssuranceSkillsAutomation, Python (Programming Language), Quality Assurance (QA), Test Automation ToolsWe 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. Thats 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 <a href="https://jobs.comcast.com/benefits" target="_blank">benefits summary</a> on our careers site for more details.EducationBachelors 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 Experience10 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.