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Principal Engineer - Network Evolution Architecture

Philadelphia, Pennsylvania

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Overview

Success Profile

Benefits

Responsibilities

Hear From Our People

Culture

More About Comcast

Overview

Our analysts transform data into meaningful insights that drive strategic decision making. They analyze trends, interpret data, and discover opportunities. Working cross-functionally, they craft narratives from the numbers - directly contributing to our success. Their work influences key business decisions and shape the direction of Comcast.

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Success Profile

What makes a successful Principal Engineer - Network Evolution Architecture at Comcast? Check out these top traits and explore role-specific skills in the job description below.

Good Listener

Problem Solver

Organized

Collaborative

Perceptive

Analytical

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Benefits

We're proud to offer comprehensive benefits to help support you physically, financially and emotionally through the big milestones and in your everyday life.

Paid Time off

We know how important it can be to spend time away from work to relax, recover from illness, or take time to care for others needs.

Physical Wellbeing

We offer a range of benefits and support programs to ensure that you and your loved ones get the care you need.

Financial Wellbeing

These benefits give you personalized support designed entirely around your unique needs today and for the future.

Emotional Wellbeing

No matter how you're feeling or what you're dealing with, there are benefits to help when you need it, in the way that works for you.

Life Events + Family Support

Benefits that support you no matter where you are in life's journey.

See All Benefits

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Responsibilities

Principal Engineer - Network Evolution Architecture

Location Philadelphia, Pennsylvania

Req ID R435504

Job Type Full Time

Category Computer Engineering

Date posted 05/12/2026

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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 leads strategic R D initiatives, pioneering solutions and guiding teams. It involves setting technical specifications, partnering with product teams, and evaluating external solutions. Responsibilities include authoring key documentation and mentoring within the research team.

Job Description

Role & Team Overview

Join Comcast's Network Evolution team, a forward-looking engineering group focused on identifying, validating, and scaling next-generation wireline, optical, and wireless technologies for the HFC network.

This team operates as an innovation and architecture function, driving early-stage technology evaluation, building proof-of-concepts, and influencing product direction and industry standards. The work is highly cross-disciplinary, spanning RF, optical, wireless systems, and hardware/software co-design, with a strong emphasis on improving bandwidth, latency, reliability, and efficiency.

Key Responsibilities

Lead strategic architecture and system design for next-generation access and transport technologies

Evaluate and compare hardware and software architectures (e.g., FPGA, ASIC, software-based solutions)

Design, model, and validate RF and optical networks, including link budgets across multiple topologies (P2P, P2MP, mesh, star)

Develop and deliver proof-of-concepts (PoCs) to validate new technologies and influence executive and industry decisions

Perform technical and cost-benefit tradeoff analysis across competing approaches

Define product and system requirements in collaboration with vendors and semiconductor partners

Provide technical leadership and direction to external partners, suppliers, and standards bodies (e.g., CableLabs)

Identify and apply innovations from adjacent industries to improve Comcast's network capabilities

Skills & Experience

Must-Haves

~10+ years of experience in telecommunications, systems engineering, or network architecture

Strong understanding of physical layer (OSI Layer 1) concepts and their impact on system design

Deep expertise in at least one domain: RF, optical networking, or wireless (e.g., WiFi / 802.11 / O-RAN)

Experience evaluating and working with hardware/software system architectures (FPGA, ASIC, or software-based systems)

Proven ability to perform system-level design tradeoffs (technical + cost considerations)

Experience building or contributing to proof-of-concepts, prototypes, or early-stage solutions

Ability to collaborate across multi-disciplinary teams and external partners (vendors, chip manufacturers)

Experience with Python scripting or automation (ability to streamline workflows and experimentation)

Nice-to-Haves

Experience with O-RAN architectures and/or 802.11 (WiFi) systems

Background in telecom product design or R D environments (vs. operations-focused roles)

Familiarity with RF and optical lab environments, including test equipment, emulators, and data capture tools

Exposure to CableLabs or industry standards development

Experience incorporating AI/ML techniques into system design or analysis

What Success Looks Like

Brings deep technical expertise with system-level thinking

Thrives in ambiguous, early-stage innovation environments

Ability to translate emerging technologies into practical, scalable solutions

Strong communicator who can influence across engineering, leadership, and industry stakeholders

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

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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 5, Technical Research & Development

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:

Telecommunications; Collaboration; OSI Layers

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

10 Years +

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Hear from our people

I love that Comcast has granted me the opportunities that I have. The company has done a lot to put me in the position that I'm in and I'd like to continue to give back to that.

Matthew

Data Analyst/Eng 1, Software Dev & Eng

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Culture

At Comcast you can have work/life balance in an inclusive environment where you can be your authentic self.

Comcast provides many opportunities to build skills and grow in your career and a top-notch benefits, time off and perks package.

We are committed to delivering reliable, effortless experiences to our customers no matter how they choose to interact with us.

You will build personal relationships on a growing team that while making Xfinity a best-in-class, most-loved brand.

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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. Comcast endeavors to make our career site accessible to any and all users. If you would like to contact us regarding accommodations for any part of the application or interview process, please contact .... Any inquiries regarding employment application status, resume submittal, open positions and any other general inquiries will not receive a response so please visit our FAQ page for more information. Comcast participates in the E-VERIFY PROGRAM in our hiring practices to achieve a lawful workforce. Comcast is a drug-free workplace.

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