Fluidstack
Network Engineer, Security
$162K–$202K
Austin, TX +3 · On-site · Full-time · Posted Jul 17, 2026
- Location
- Austin, TX
New York, NY
San Francisco, CA
Seattle, WA
About the job
Designs, automates, and defends network security across Fluidstack’s data centers, corporate and cloud environments, training fabrics, OT networks, and WAN.
What you'll do
- Design network security architecture, including segmentation, firewalls, and east-west controls.
- Build network detection using telemetry, flow analysis, and alerting; harden OT and BMS networks.
- Automate network security controls so new sites inherit the architecture from day one.
What they ask for
- Experience securing production networks at scale and interpreting 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.
- Infrastructure-as-code experience, with firewall rules managed in a repository.
Nice to have
- OT and ICS security; data center or cloud provider environments; BGP and routing security.
- Zeek or Suricata.
Pay
$162K – $202K USD base salary
Tools
NDR, BGP, Zeek, Suricata
AI focus
Secures infrastructure used to train frontier AI models and protect model weights.
Model-written summary · the original posting is authoritative