{"id":1747827,"url":"https://alion.io/job/comcast-corporation-principal-software-development-engineer","title":"Principal Software Development Engineer","company":{"id":9377,"name":"Comcast Corporation","domain":"comcast.com","url":"https://alion.io/company/comcast-corporation","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Philadelphia, United States","United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":188925,"max":296269,"currency":"USD","period":"year","gross":null,"usd_annual":296269},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"C++","optional":false},{"name":"Docker","optional":false},{"name":"Go","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-10-02T00:00:00Z","employer_posted_date":"2026-10-02","last_verified_at":"2026-10-07T22:14:27Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"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\nThis job involves leading software solution development that meets strategic goals and user expectations. It includes integrating applications, enhancing scalability and security, and performing system analyses. It creates comprehensive development documentation, mentors technical staff, and monitors key performance metrics to inform improvements. The job provides technical leadership during design and oversees the software release process, ensuring efficient, on-budget delivery. Collaboration with Quality Assurance guarantees software quality, guiding project planning and resource management.Job Description\nThe 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.\nThe Comcast Network and CONNECTivity (CONNECT) organization is a highly agile, fastpaced, dedicated group at the forefront of change focused on innovating, building, and operating the best in class, most reliable access network for our customers.\nRequired Qualifications:\nExtensive hands-on software engineering experience in Linux-based systems using C, C++, Golang, and/or Python.\nExperience designing, developing, or supporting large-scale network infrastructure, broadband access platforms, CMTS/vCMTS, DOCSIS/PON, or similar carrier-grade distributed systems.\nStrong understanding of distributed systems, control-plane architecture, service resiliency, software upgrade compatibility, telemetry, and production debugging.\nExperience with cloud-native or containerized environments, including Docker, Kubernetes, microservices, messaging/event-driven architectures, or configuration/state management systems.\nDemonstrated ability to lead complex technical initiatives from architecture and design through development, validation, deployment, and operational support.\nProven ability to troubleshoot urgent production issues and collaborate with internal teams, vendors, and external partners.\nStrong communication skills with the ability to explain complex technical issues, drive alignment, and mentor other engineers.\nPreferred Qualifications:\nDirect experience with DOCSIS 3.1, DOCSIS 4.0, Full Duplex DOCSIS, CM registration, channel bonding, DBC, load balancing, upstream/downstream resiliency, or cable modem interoperability.\nExperience with CMTS, vCMTS, cloud-native broadband routers, access network platforms, or packet/network control-plane systems.\nExperience working with cable modem, chipset, RPD, or network equipment vendors.\nExperience leading geographically distributed engineering teams or acting as a technical lead / architect for major platform features.\nAbout Our Perks & Benefits:\nWe are determined to create an environment where our employees feel valued, understand our business goals, and are motivated.\nHere's a look at just some of the perks and benefits we make available to our US-based employees:\nMedical & Dental\n401(k) Savings Plan\nGenerous paid time off\nLife Milestones - from adoption assistance, childcare resources, pet insurance, and more, Comcast supports you at all life stages.\nCourtesy Services - We offer all of our full-time employees in serviceable areas free digital TV and internet.\nDiscount tickets for Universal Resorts, including theme park tickets and onsite hotel rooms.\nLearn more at jobs.comcast.com/benefits\nReasonable Accommodation\nWe 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.\nDisclaimer:\nThis 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.\nJob Profile: Engineer 6, Software Development & Engineering\nSkills\nDistributed Systems, Linux, Software DevelopmentCompensation\nThis job can be performed in Massachusetts with a Pay Range of $188,925.50 - $296,269.53Comcast intends to offer the selected candidate base pay within this range, dependent on job-related, non-discriminatory factors such as experience. The application window is 30 days from the date job is posted, unless the number of applicants requires it to close sooner or later.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 to eligible employees. 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 compensation and benefits summary on our careers site for more details.\nEducation\nBachelor'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)\nRelevant Work Experience\n15 Years +Comcast is an equal opportunity workplace. 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