Lead Core Network Architect

Job Summary

Job Description

Summary 

• Strong preference for candidates located in or able to work from our Bishops Gate or CTC (Philadelphia) office. 
• Individuals in these roles are technical leaders with deep knowledge in their domain and are focused on executing and advancing the technical strategy of the organization.  
• Highly senior Network Architect/Engineer role responsible for leading the design, development, and evolution of next‑generation core and regional IP network architectures. 
• Drives major national backbone initiatives, including software‑driven core networks, Segment Routing, and controller‑based traffic‑engineering solutions. 
• Leads definition, validation, and deployment of CLOS‑based architectures, multi‑plane designs, and disaggregated routing platforms. 
• Develops end‑to‑end IP architectures supporting services such as CRAN, Cloud DVR, VOD, multicast distribution, and commercial backhaul solutions. 
• Guides high‑capacity transport integrations including DWDM, 100G/400G optics, and ZR+ technologies. 
• Provides cross‑functional technical leadership across product, engineering, operations, and vendor teams while shaping long‑term technology roadmaps. 
• Oversees automation frameworks leveraging OpenConfig, YANG, and modern telemetry pipelines to standardize configuration and simplify large‑scale provisioning. 
• Serves as Tier‑4 escalation and SME for complex network issues, migrations, traffic shifts, M&A integrations, and large‑scale operational programs. 
• Mentors engineers at all levels, delivering internal training on routing technologies, automation, and tooling.  
• Lead highly technical, hands on engineering projects from concept through execution. 
• Collaborate effectively across a wide range of stakeholders, including senior leadership, peer architects, and downstream engineering teams. 
• Present complex technical and architectural concepts to senior leaders with clarity and confidence. 
• Translate high-level architectural strategies into actionable guidance for engineering teams at varying technical levels. 
• Operate seamlessly in multiple roles, shifting between executive level communication, peer collaboration, and deep dive engineering work. 
• Work closely with other senior engineers to ensure alignment, knowledge sharing, and collaborative problem solving. 
• Blend architectural vision with hands on engineering delivery to support end-to-end solution implementation. 

Requirements 

• 15+ years of experience in large‑scale service provider or backbone network engineering. 
• Deep expertise with OSPF, ISIS, BGP, MPLS, Segment Routing, RSVP, and multicast protocols. 
• Hands‑on experience with major routing platforms including Cisco NCS/ASR/CRS, Juniper PTX/MX/QFX, Arista, white‑box solutions, and DriveNets. 
• Strong understanding of DWDM, 100G/400G optical transport, and ZR+ systems. 
• Proficiency with IOS, IOS‑XR, JunOS, and Arista EOS. 
• Experience building automation workflows leveraging OpenConfig and YANG models. 
• Deep operational understanding of production environments and the ability to diagnose issues under pressure. 
• Proven ability to lead multi‑year, multi‑site network architecture initiatives. 
• Demonstrated success in influencing vendor software/hardware roadmaps. 
• Strong technical depth with the ability to troubleshoot complex issues and immediately engage when something goes wrong. 
• Creative thinker capable of approaching problems from unconventional angles and designing innovative solutions. 
• Strong executive presence with polished communication skills suitable for senior‑level discussions. 
• Ability to learn quickly and adapt to new technologies and team processes. 
• Unique hybrid of architecture‑level strategy and engineering‑level technical execution.

Preferred Skills 

• CCIE, JNCIE, or equivalent expert‑level certification (active or inactive). 
• Prior publications, patents, RFC contributions, or industry speaking engagements (e.g., NANOG, SCTE). 
• Experience leveraging AI/ML‑driven tools and automation (e.g., AIOps, predictive analytics, or generative AI) to enhance network design, capacity planning, fault detection, and operational efficiency.
• Demonstrated ability to independently take architecture solutions from concept through production. 
• Strong programming and automation skills using Python, Perl, MySQL, InfluxDB, and telemetry stacks. 
• Bachelor’s degree in Engineering, Computer Science, Information Systems, or related field (Master’s preferred). 

Employees at all levels are expected to:

• Understand our Operating Principles; make them the guidelines for how you do your job.
• Own the customer experience - think and act in ways that put our customers first, give them seamless digital options at every touchpoint, and make them promoters of our products and services.
• Know your stuff - be enthusiastic learners, users and advocates of our game-changing technology, products and services, especially our digital tools and experiences.
• Win as a team - make big things happen by working together and being open to new ideas.
• Be an active part of the Net Promoter System - a way of working that brings more employee and customer feedback into the company - by joining huddles, making call backs and helping us elevate opportunities to do better for our customers.
• Drive results and growth.
• Support a culture of inclusion in how you work and lead.
• Do what's right for each other, our customers, investors and our communities.

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.

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:

Creative Thinking; Technical Troubleshooting; Executive Presence; Operations Support; Network Engineering

Salary:

Pay Range: This job can be performed in New Jersey, and Denver Campus with a Pay Range of $196,029.69 - $294,044.54

Comcast 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.

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 +