Security Engineer, Network
Fluidstack3 months ago
Base Salary
$182k - $224k/yr
Responsibilities
- Design and defend network security architecture across data centers, corporate environments, cloud, segmentation, firewalls, and east-west controls.
- Build network detection using telemetry, flow analysis, and alerting across training fabrics, OT networks, and WAN infrastructure.
- Harden OT and BMS networks against threats affecting physical plant infrastructure.
- Automate network security controls so new sites inherit the required architecture from day one.
- Partner with network engineering to implement effective security controls without unnecessarily blocking operations.
Requirements
- Experience securing production networks at scale and analyzing packet captures.
- Experience designing segmentation for environments combining IT, OT, and high-value compute.
- Experience deploying and tuning NDR or flow-based detection that identified real intrusions.
- Experience managing firewall rules through infrastructure-as-code rather than manual GUI configuration.
- Ability to collaborate effectively with network engineering teams.
- Preferred experience with OT and ICS security, data center or cloud provider environments, BGP, routing security, Zeek, or Suricata.
Categories
About Fluidstack
Fluidstack provides on-demand GPU cloud infrastructure for AI training and inference, offering dedicated clusters of NVIDIA H200 and GB200 systems. The company sells compute capacity and managed clusters to AI labs, enterprises, and public-sector teams that need high-throughput workloads. Founded in 2017 and headquartered in New York, it is privately held.