Senior Optical Transport Network Engineer

Comcast • Englewood, CO

2d

About The Position

The Senior Optical Transport Network Engineer is a technical leadership role responsible for the reliability, engineering, and evolution of Comcast’s national optical backbone. The role combines engineering, operations, and architecture, with a primary focus on engineering and deploying new services on the Comcast Transport Backbone. The engineer owns the full lifecycle of backbone services, from design and deployment through operational stability, and provides post-sales support for Solution Engineering services, including design, solution acceptance, and network reconfiguration or migration.

The position supports the Ciena 6500/RLS Backbone Transport network, which spans more than 80,000 kilometers of fiber-optic infrastructure. It requires deep expertise in large-scale optical networks and service deployment, along with responsibility for network reliability, scalability, and performance. The role participates in an on-call rotation supporting backbone network operations.

The position is ineligible for visa sponsorship. Applicants must be legally authorized to work in the United States without requiring sponsorship now or in the future.

Requirements

• Bachelor’s degree in Electrical Engineering, Optical Engineering, Software Engineering, Computer Science, or a related field; Comcast may also consider a combination of coursework and experience or extensive related professional experience.
• 7–10 years of experience in Field Service Engineering, Optical Transport Engineering, or a related discipline supporting DWDM deployments.
• Hands-on experience with Ciena 6500, including Photonic, OTN, Ethernet, and Navigator.
• Experience with RLS platforms and Nokia PSS1830 / WS-NOC.
• Strong understanding of TCP/IP networking fundamentals.
• Strong troubleshooting and problem-solving skills, including design-level issue resolution.
• Ability to make sound technical decisions during outages, maintenance windows, and other critical events.
• Strong written and verbal communication skills, including the ability to communicate technical concepts to varied audiences.
• Legally authorized to work in the United States without requiring employment visa sponsorship now or in the future.

Nice To Haves

• Experience supporting large-scale backbone networks.
• Python scripting and network automation experience.
• API integration and development experience.
• Experience mentoring engineers and providing technical leadership.

Responsibilities

• Design, engineer, deploy, and turn up new backbone optical transport services and capacity augmentations.
• Validate network designs, platforms, and software through lab and pre-production testing.
• Partner with architecture, routing, field, and operations teams to deliver secure, reliable, and high-performing network solutions.
• Monitor and troubleshoot network health, perform end-to-end circuit validation, and coordinate in-service maintenance.
• Support firmware and software lifecycle management across the optical network.
• Perform capacity planning, growth modeling, and technical design documentation.
• Coordinate lit circuit design, quoting, ordering, and fiber cross-connects with vendors and third parties.
• Participate in an on-call rotation supporting backbone network operations.
• Own backbone services through design, deployment, and operational stability.
• Provide post-sales support for Solution Engineering services, including design, solution acceptance, and network reconfiguration or migration.

Benefits

• Eligible employees have access to a range of benefits, with personalized options, expert guidance, and tools supporting physical, financial, and emotional well-being.
• Most non-sales positions are eligible for a bonus.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior