Network Engineer (Supercomputer Infrastructure)

SpaceXAI is seeking a Network Engineer to support the design, build-out, and operation of networks powering AI supercomputer campuses. The ideal candidate has experience in mission-critical, large-scale production environments.

Responsibilities:

• Design and implement highly available, low-latency networks for AI training fabrics, inference front-ends, and site networks.
• Maintain supercomputer data center and campus networks according to company standards.
• Evaluate, procure, and deploy network hardware.
• Contribute to network automation tooling and implement configuration analysis.
• Plan and coordinate network changes, troubleshoot issues, and provide direct networking support.
• Proactively monitor network health and create/update network documentation.
• Collaborate with cross-functional teams to resolve design issues.
• Perform job walks with customers and vendors.
• Ensure networks comply with industry and cybersecurity standards.

Basic Qualifications:

• Bachelor's degree in computer science or a STEM discipline and 3+ years of professional network engineering experience;
• OR 5+ years of professional network engineering experience.
• Extensive hands-on experience with Layer 2 and Layer 3 networks.
• Functional experience with multiple network vendors.
• Experience with GitOps and Infrastructure as Code frameworks.

Preferred Skills and Experience:

• Strong understanding of the OSI model and network standards.
• Hands-on experience with Cisco, Arista, Juniper, and/or NVIDIA Spectrum-X switches.
• Experience with RoCEv2 Ethernet AI/HPC fabrics and InfiniBand.
• Working knowledge of AI training and inference traffic patterns.
• Experience with WDM and large-scale fiber plants.
• Familiarity with network monitoring and Layer 1 test tools.
• Proficiency in scripting and automation frameworks.
• Linux and Windows system administration experience.
• Industry-standard certifications.

Additional Requirements:

• Ability to pass background checks.
• Physical ability to perform job functions.
• Availability for extended hours and weekends.
• Ability to provide 24x7 on-call support.
• Willingness to travel up to 20%.