Senior Network Engineer

Ensure stable operation of data center infrastructure, points of presence, and global backbone networks. Design and develop large-scale data center networks, including InfiniBand-based GPU cluster interconnects. Develop and maintain monitoring and automation tools to improve network operations. Provide technical design, operational support, and collaborate cross-functionally with R&D, SRE, ITDC, and network development teams. Lead and support major network infrastructure upgrades and new region launches. Liaise with vendors for troubleshooting and network infrastructure testing. Maintain comprehensive network documentation and testing plans. Participate in on-call rotations and travel 2-3 times monthly to sites in New Jersey, Kansas City, and occasionally Amsterdam. Work European time zone hours and coordinate with global teams.