Senior Optical Network Engineer — Global Backbone & DWDM

Coreweave; Livingston (NJ); On-site; USD 180,000 - 240,000; Full time

Job summary

CoreWeave is expanding its global optical backbone and seeking a senior Optical Network Engineer to design, build, and operate high-capacity networks. You will collaborate across teams to ensure DWDM systems meet capacity, resilience, and performance goals, spanning dark-fiber, data centers, and metro links.

You will tackle end-to-end responsibilities from design through deployment, troubleshooting, and optimization, while mentoring junior engineers and shaping standards for future optical

Qualifications

• Extensive hands-on experience deploying and operating large-scale optical networks.
• Proficient with Ciena and Nokia platforms in production environments.
• Deep knowledge of DWDM, coherent optics, and 400G/800G systems.

Responsibilities

• Design, engineer and operate long-haul, metro, and data-center interconnect optical networks.
• Engineer DWDM systems across dark-fiber infrastructure.
• Plan and optimize optical paths including amplification, regeneration, and spectrum allocation.
• Deploy, configure, operate, and troubleshoot Nokia, Ciena and other optical platforms.
• Mentor and collaborate with engineering teams to scale the optical backbone.

Skills

Optical network design

DWDM systems

Ciena platforms

Nokia platforms

Dark-fiber networks

EDFA/Raman amplification

Tools

OTDR testing

Fiber characterization equipment

Telemetry platforms

Job description

CoreWeave is expanding its global optical backbone and seeking a senior Optical Network Engineer to design, build, and operate high-capacity networks. You will collaborate across teams to ensure DWDM systems meet capacity, resilience, and performance goals, spanning dark-fiber, data centers, and metro links.

You will tackle end-to-end responsibilities from design through deployment, troubleshooting, and optimization, while mentoring junior engineers and shaping standards for future optical