Senior Network Engineer Job at Together AI (San Francisco)

Senior Network Engineer

Together AI

Location:
United States , San Francisco

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

190000.00 - 250000.00 USD / Year

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Job Description:

As a Senior Network Engineer at Together, you are responsible for designing, implementing, and maintaining our network infrastructure to ensure seamless connectivity and optimal performance for all user-facing services and production systems. As both a strategic planner and a hands-on engineer, you apply sound networking principles, operational discipline, and advanced automation to our network environments. You specialize in networking systems—including routing, switching, network security, and protocols—implementing best practices for availability, reliability, and scalability. You have a keen interest in network design, optimization, and emerging technologies in HPC-based data center networking. Outstanding problem-solving abilities and a comprehensive understanding of fundamental network theory are also critical to your success.

Job Responsibility:

Design, deploy, manage and maintain global multi-vendor, multi-protocol high performance compute networks
Analyze data to diagnose and identify root causes to network issues to minimize downtime
Evaluate and recommend network technologies, hardware, and software solutions
Participate in design reviews to ensure the proposed network architecture aligns with business needs and is optimized for performance, scalability, and reliability
Manage relationships with external vendors and partners to test and verify hardware and software selections
Develop, and deploy systems and tools to keep all networks running reliably and efficiently
Establish and implement industry best practices and contribute to the design of new scalable network solutions
Ensure compliance with IT governance standards and best practices
Lead projects to address complex technical challenges, directly contributing to roadmaps and partner alongside the best engineers in the industry to develop world-class solutions

Requirements:

8+ years of professional experience building, managing, and supporting large-scale hybrid data center networks (excluding enterprise networks)
High level of proficiency with TCP/IP networking architecture and technologies such as BGP, OSPF, VXLAN, EVPN, and QoS
Experience developing network automation pipelines using Python, Ansible, or other languages/tools utilized in infrastructure automation
Proficient in using tools such as Wireshark, tcpdump, nmap, MTR, and curl to identify connectivity issues, latency problems, and network bottlenecks
Experience designing and supporting multi-tenant networks
Hands-on experience deploying and supporting network devices from Cisco, Arista, Juniper, and Mellanox
Experience working with cloud networks such as AWS, GCP, and Azure
Solid experience working in and troubleshooting within a Linux environment

Nice to have:

Knowledge of RoCE and Infiniband protocols a plus
Experience with Docker, Kubernetes, or Slurm a plus
Understanding of AI training workloads and the demands they exert on networks a plus

What we offer:

competitive compensation
startup equity
health insurance
other competitive benefits

Additional Information:

Job Posted:
February 18, 2026

Employment Type:

Fulltime

Work Type:

On-site work

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