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Anthropic

Staff Fiber Network Engineer

Anthropic

Published 17 May 2026
San Francisco, CA, USA
320K - 405K USD Annual
Full Time

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Role Highlights

Languages used

Python
GO
SQL

Key skills

Computer Science
Program Management
AI
Data
Cloud
Routing
Infrastructure
CD
Operations
Scripting
Research
Physics
Biology
Interpretability
Multimodal

Tools, Libraries and Frameworks

HTTP

Description

The role involves owning the physical layer of a private, global dark-fiber network from end to end. Responsibilities include planning terrestrial fiber routes, sourcing and qualifying dark fiber, and managing vendor delivery from purchase order to final acceptance. The individual will define inventory systems, establish acceptance standards, and manage the vendor bench. Additionally, the role requires collaborating with optical transport, backbone routing, and capacity planning teams to ensure network performance. The position serves as the primary point of accountability for physical delivery across multiple concurrent builds.

Required Qualifications and Skills

Candidates must have experience in OSP or fiber planning and network delivery at a carrier, hyperscaler, or large enterprise backbone. Proficiency in GIS or KMZ tooling and a solid understanding of optical transport, including DWDM and span loss, are required. Applicants must be able to read OTDR traces and manage vendor relationships regarding splice quality and contracts. A bachelor’s degree or an equivalent combination of education, training, and experience is necessary. Preferred candidates possess at least eight years of relevant experience and have previously built a fiber program from the ground up.

Disclaimer

Disclaimer: Job and company description information and some of the data fields may have been generated via GPT-4 summarisation and could contain inaccuracies. The full external job listing link should always be relied on for authoritative information.

About the company

Anthropic

Size

265

Public/Private

Privately Held

Description

Anthropic is an AI safety and research company focused on crafting AI systems that are reliable, interpretable, and steerable, ensuring they remain safe and beneficial for users and society. With an interdisciplinary team experienced in machine learning, physics, policy, business, and product development, Anthropic is dedicated to the mission of beneficial AI. The company emphasizes collaborative big science research, leveraging a unified team approach to focus on large-scale research efforts aimed at advancing long-term goals of creating trustworthy AI systems.

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