Principal Software Development Engineer

Posted Yesterday
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Philadelphia, PA, USA
Hybrid
Expert/Leader
Digital Media • Information Technology • News + Entertainment
Come to Comcast and bring connection to life.
The Role
Lead architecture and implementation of large-scale, carrier-grade distributed network software. Drive design, development, validation, deployment, and operational support; mentor engineers; troubleshoot production incidents; collaborate with QA, vendors, and partners; and monitor performance, scalability, and security.
Summary Generated by Built In
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
This 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
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.
The 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.
Required Qualifications:
  • Extensive hands-on software engineering experience in Linux-based systems using C, C++, Golang, and/or Python.
  • Experience designing, developing, or supporting large-scale network infrastructure, broadband access platforms, CMTS/vCMTS, DOCSIS/PON, or similar carrier-grade distributed systems.
  • Strong understanding of distributed systems, control-plane architecture, service resiliency, software upgrade compatibility, telemetry, and production debugging.
  • Experience with cloud-native or containerized environments, including Docker, Kubernetes, microservices, messaging/event-driven architectures, or configuration/state management systems.
  • Demonstrated ability to lead complex technical initiatives from architecture and design through development, validation, deployment, and operational support.
  • Proven ability to troubleshoot urgent production issues and collaborate with internal teams, vendors, and external partners.
  • Strong communication skills with the ability to explain complex technical issues, drive alignment, and mentor other engineers.

Preferred Qualifications:
  • Direct 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.
  • Experience with CMTS, vCMTS, cloud-native broadband routers, access network platforms, or packet/network control-plane systems.
  • Experience working with cable modem, chipset, RPD, or network equipment vendors.
  • Experience leading geographically distributed engineering teams or acting as a technical lead / architect for major platform features.

About Our Perks & Benefits:
We are determined to create an environment where our employees feel valued, understand our business goals, and are motivated.
Here's a look at just some of the perks and benefits we make available to our US-based employees:
  • Medical & Dental
  • 401(k) Savings Plan
  • Generous paid time off
  • Life Milestones - from adoption assistance, childcare resources, pet insurance, and more, Comcast supports you at all life stages.
  • Courtesy Services - We offer all of our full-time employees in serviceable areas free digital TV and internet.
  • Discount tickets for Universal Resorts, including theme park tickets and onsite hotel rooms.

Learn more at jobs.comcast.com/benefits
Reasonable Accommodation
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.
Disclaimer:
  • 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.

Job Profile: Engineer 6, Software Development & Engineering
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.
Skills:
Distributed Systems; Software Development; Linux
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.
Education
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
15 Years +

Skills Required

  • Extensive hands-on software engineering experience in Linux-based systems using C, C++, Golang, and/or Python.
  • Experience designing, developing, or supporting large-scale network infrastructure, broadband access platforms, CMTS/vCMTS, DOCSIS/PON, or similar carrier-grade distributed systems.
  • Strong understanding of distributed systems, control-plane architecture, service resiliency, software upgrade compatibility, telemetry, and production debugging.
  • Experience with cloud-native or containerized environments, including Docker, Kubernetes, microservices, messaging/event-driven architectures, or configuration/state management systems.
  • Demonstrated ability to lead complex technical initiatives from architecture and design through development, validation, deployment, and operational support.
  • Proven ability to troubleshoot urgent production issues and collaborate with internal teams, vendors, and external partners.
  • Strong communication skills with the ability to explain complex technical issues, drive alignment, and mentor other engineers.
  • Bachelor's Degree (preferred) or equivalent combination of coursework and experience.
  • Relevant work experience: 15 Years +

What the Team is Saying

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Comcast Compensation & Benefits Highlights

  • Healthcare Strength Company‑sponsored medical, dental and vision plans, 24/7 virtual care, mental‑health support, and Calm access signal robust healthcare coverage. These offerings are prominently included in the core package.
  • Retirement Support A company 401(k) match described as generous alongside an ESPP discount indicates strong retirement and ownership support. Financial coaching and related programs further reinforce long‑term security.
  • Parental & Family Support Paid parental leave for primary and non‑primary caregivers and family‑forming support for fertility, adoption, and surrogacy demonstrate meaningful family coverage. Backup and caregiving resources are also referenced across materials.

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The Company
HQ: Philadelphia, PA
115,000 Employees
Year Founded: 1963

What We Do

Welcome to Comcast. From the connectivity and platforms we provide to the content and experiences we create, we bring people together, globally. Our people think the world of our work, and that’s why our work is the best in the world.

Why Work With Us

We believe you can achieve extraordinary things when you feel connected - to the work you do and who you do it with. From the platforms we provide to millions of people, to the content and experiences we create - we bring our customers, viewers and teammates closer together across the globe.

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Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Typical time on-site: 4 days a week
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