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# Optical Transport Network Engineer

- **Company:** Comcast
- **Location:** Englewood, CO, United States (Remote available)
- **Experience:** Expert
- **Salary:** $109,000.0 - $164,000.0
- **Contract:** Permanent contract
- **Skills:** Application Lifecycle Management, Wavelength-Division Multiplexing, Software Design Documents, Ethernet, Firmware, Internet Protocol, Network Planning and Design, Software Engineering, Scripting, Computer Network Operations, Software Troubleshooting, Information Technology, Open Network Automation Platform
- **Published:** October 28, 2026
- **Apply:** https://www.builtincolorado.com/job/senior-optical-transport-network-engineer/11929968?handler=ApplyRedirect

## About the Role

* Bachelor's degree in Electrical Engineering, Optical Engineering, Software Engineering, Computer Science, or a related field.
 * 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 with the ability to communicate technical concepts to a variety of audiences.

Preferred Qualifications

 * Experience supporting large-scale backbone networks.

 * Python scripting and network automation experience.

 * API integration and development experience.

 * Experience mentoring engineers and providing technical leadership., Nokia BTS; Ciena 6500; IP Networks; Problem Solving; Troubleshooting; Optical Transport Network (OTN), 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
7-10 Years

## Description

The Senior Optical Transport Network Engineer is a critical technical leadership role responsible for the reliability, engineering, and evolution of Comcast's national optical backbone. This position blends deep optical transport engineering expertise with operational excellence and architectural ownership. You will play a direct role in designing, engineering, and deploying new backbone services while ensuring network reliability, scalability, and performance. We are a small, highly technical team where engineers wear multiple hats. This role combines Engineering, Operations, and Architecture, with a primary focus on engineering and deploying new services on the Comcast Transport Backbone. As a Senior Engineer, you'll own the full lifecycle of backbone services from design and deployment to operational stability. This position is highly technical, focusing on post-sales support for Solution Engineering services including design, solution acceptance, and network reconfiguration or
migration. It involves managing and maintaining the extensive Ciena 6500/RLS Backbone Transport network spanning over 80,000 kilometers of fiber optic infrastructure. The role requires deep expertise in large-scale optical networks and service deployment., This position is ineligible for visa sponsorship. To be considered for this role, you must be legally authorized to work in the United States and not require sponsorship for employment now or in the future.
Key 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.