Principal Engineer – Network Evolution Architecture

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