Senior Network Engineer, Edge & Optical Transport

Who We Are:

• Lightning AI is the company behind PyTorch Lightning, building an end-to-end platform for developing, training, and deploying AI systems.
• Founded in 2019, we operate globally with offices in New York City, San Francisco, Seattle, and London, backed by top venture capital firms.

What You Will Do:

• Operate and expand our Juniper PTX edge and backbone routers and Smartoptics optical line systems for DWDM transport and data center interconnects.
• Manage internet transit, peering, and external connectivity using IPv4/IPv6, BGP, and routing policy, and automate network operations with Python and Ansible.
• Troubleshoot packet and optical layer issues, plan resilient paths, and coordinate with carriers for circuit delivery and fault resolution.

What You Will Need:

• 5+ years of experience operating production edge, backbone, or large-scale data center networks with hands-on Juniper PTX and optical transport expertise.
• Strong knowledge of IPv4/IPv6, BGP, internet routing, and DWDM optical transport, along with experience in network automation and monitoring.
• Excellent documentation and communication skills, with the ability to independently prioritize work and own issues through resolution.

Benefits and Perks:

• Comprehensive health coverage including medical, dental, and vision, plus a 401(k) matching program and equity through RSUs.
• Unlimited PTO, paid parental leave, annual learning and development allowance, and wellness and work-from-home stipends.
• A sabbatical program after four years, flexible work schedules, and complimentary meals at our office hubs.