Senior Network Engineer, Backbone

Core Weave is The Essential Cloud for AI™. Built for pioneers by pioneers, Core Weave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, Core Weave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, Core Weave became a publicly traded company (Nasdaq: CRWV) in March 2025.

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We are seeking a Senior Network Engineer to join our Backbone & Edge team. In this role, you will be responsible for the day-to-day operations of our backbone network. You’ll be troubleshooting, deploying, automating and monitoring every part of the backbone, while also ensuring working closely with our other networking groups to ensure seamless operations of the whole networking stack. You will play a key role in supporting the growth of our backbone network, working with cutting‑edge technologies to deliver high‑capacity and resilient connectivity.

• Operate, monitor, and support the backbone and edge network on a day‑to‑day basis, ensuring stability performance and uptime.
• Troubleshoot routing, optical, and transport issues across multi‑vendor environments, driving resolution of incidents quickly and effectively.
• Perform configuration changes, maintenance, and upgrades on backbone and edge routers, switches, and optical platforms.
• Automate common operational workflows (e.g., config deployment, monitoring, fault remediation) to increase efficiency and reduce manual work.
• Proactively monitor network health, capacity, and performance, escalating and addressing issues before they impact customers.
• Maintain accurate documentation of procedures, standards, and post‑mortems to improve operational consistency and knowledge sharing.
• Collaborate closely with datacenter, edge, and peering teams to ensure smooth handoffs and end‑to‑end network reliability.
• Participate in on‑call rotation, providing escalation support for critical backbone incidents.

• Proven experience (typically 5+ years) in network engineering / operations for large‑scale telecommunications or cloud/content networks.
• Demonstrated experience operating large scale backbone networks running protocols such as SR‑MPLS, ISIS, BGP.
• Ability to troubleshoot complex routing issues quickly and efficiently.
• Solid understanding of network architecture principles, including redundancy, diversity, and resilience.
• Experience with Nokia SROS, Juniper Junos and other common NOS.
• Strong analytical and problem‑solving skills, with the ability to interpret complex technical information and make data‑driven decisions.
• Excellent communication and interpersonal skills, with the ability to effectively collaborate with technical and non‑technical stakeholders.
• The ability to create tooling with Python or Ansible to help with day‑to‑day operations.

• Bachelor’s degree in Electrical Engineering, Telecommunications, Computer Science, or a related field. Equivalent practical experience will also be considered.

• Experience with specific vendor equipment (e.g., Nokia, Juniper, Ciena, nvidia).
• Knowledge of IP routing and switching principles.
• Knowledge of optical networking.
• Familiar with Python, Ansible, Net Box and other common tools used for network automation.

The range we’ve posted represents the typical compensation range for this role. To determine actual compensation, we review the market rate for each candidate which can include a variety of factors. These include qualifications, experience, interview performance, and location.

In addition to a competitive salary, we offer a variety of benefits to support your needs, including:

• Medical, dental, and vision insurance - 100% paid for by Core Weave
• Company‑paid Life Insurance
• Voluntary supplemental life insurance
• Short and long‑term disability insurance
• Flexible Spending Account
• Health Savings Account
• Tuition Reimbursement
• Ability to Participate in Employee Stock Purchase Program (ESPP)
• Mental Wellness Benefits through Spring Health
• Family…