Fluidstack
Security Engineer, Incident Response
$275K–$344K
Austin, TX +4 · On-site · Full-time · Posted Jul 17, 2026
- Location
- Austin, TX
New York, NY
San Francisco, CA
U.S. Remote
Seattle, WA
About the job
Leads incident response across Fluidstack’s corporate, cloud, and data center environments, building the function and improving defenses through investigations and post-incident reviews.
What you'll do
- Lead incidents from detection and containment through eradication and review; investigate signals across cloud, endpoint, network, and physical systems.
- Build detection logic, response playbooks, forensic tooling, and the incident response program, including severity models, on-call rotations, and escalation paths.
- Use investigation findings to improve security with security and IT teams, and communicate incidents through reports and postmortems.
What they ask for
- Personally led major security incidents from first alert to resolution, including containment decisions under pressure.
- Built detection logic and response playbooks that caught real intrusions.
- Conducted digital forensics across cloud, endpoint, and network evidence.
- Stood up or substantially rebuilt an incident response program; proactively hunted for threats and communicated findings in clear reports and postmortems.
Nice to have
- Experience defending high-value targets, such as AI labs, financial infrastructure, or critical infrastructure, against nation-state threat models.
- Cloud-native forensics (AWS, GCP), detection engineering and SIEM or SOAR tooling, or malware analysis or reverse engineering.
Pay
$275K – $344K (base salary)
Tools
AWS, GCP, SIEM, SOAR
AI focus
Secures AI compute infrastructure and high-value model weights against threats; the role’s incident response work spans the infrastructure supporting AI.
Model-written summary · the original posting is authoritative