Security Analyst
FluidStack
IT
New York, NY, USA
USD 150k-225k / year + Equity
Posted on Jan 31, 2026
About Fluidstack
At Fluidstack, we’re building the infrastructure for abundant intelligence. We partner with top AI labs, governments, and enterprises - including Mistral, Poolside, Black Forest Labs, Meta, and more - to unlock compute at the speed of light.
We’re working with urgency to make AGI a reality. As such, our team is highly motivated and committed to delivering world-class infrastructure. We treat our customers’ outcomes as our own, taking pride in the systems we build and the trust we earn. If you’re motivated by purpose, obsessed with excellence, and ready to work very hard to accelerate the future of intelligence, join us in building what's next.
About The Role
The Security Analyst will be responsible for daily security operations, including threat detection, incident response, and security monitoring using Fluidstack's existing security tooling. This role will identify gaps in our security capabilities and processes and drive the evaluation and implementation of new security technologies to strengthen our defensive posture. The
analyst will serve as the primary technical liaison with our managed security service providers and corporate partners, coordinating threat intelligence sharing, incident escalations, and service optimization. This is a foundational role on the security team at Fluidstack, and the best candidate will have a vision for the right way to do detection and response amidst a complex threat model in a fast-paced environment.
Key Responsibilities
Security Operations & Monitoring
We are committed to pay equity and transparency.
Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.
You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email careers@fluidstack.io with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.
Compensation Range: $150K - $250K
At Fluidstack, we’re building the infrastructure for abundant intelligence. We partner with top AI labs, governments, and enterprises - including Mistral, Poolside, Black Forest Labs, Meta, and more - to unlock compute at the speed of light.
We’re working with urgency to make AGI a reality. As such, our team is highly motivated and committed to delivering world-class infrastructure. We treat our customers’ outcomes as our own, taking pride in the systems we build and the trust we earn. If you’re motivated by purpose, obsessed with excellence, and ready to work very hard to accelerate the future of intelligence, join us in building what's next.
About The Role
The Security Analyst will be responsible for daily security operations, including threat detection, incident response, and security monitoring using Fluidstack's existing security tooling. This role will identify gaps in our security capabilities and processes and drive the evaluation and implementation of new security technologies to strengthen our defensive posture. The
analyst will serve as the primary technical liaison with our managed security service providers and corporate partners, coordinating threat intelligence sharing, incident escalations, and service optimization. This is a foundational role on the security team at Fluidstack, and the best candidate will have a vision for the right way to do detection and response amidst a complex threat model in a fast-paced environment.
Key Responsibilities
Security Operations & Monitoring
- Perform daily security monitoring and threat detection using Fluidstack's existing security tooling
- Analyze security alerts, logs, and events to identify potential security incidents
- Conduct initial triage and investigation of security events to determine scope and severity
- Execute incident response procedures for confirmed security incidents
- Document security incidents, findings, and remediation actions
- Identify gaps and weaknesses in current security capabilities and tooling
- Research, evaluate, and recommend new security technologies and solutions
- Lead proof-of-concept evaluations for new security tools
- Drive implementation of approved security technologies
- Develop and maintain security monitoring use cases and detection rules
- Serve as primary technical liaison with managed security service providers (MSSPs) and corporate partners
- Coordinate bi-directional threat intelligence sharing
- Manage incident escalations to and from service providers
- Work with providers to optimize service delivery and coverage
- Contribute to the development and refinement of security procedures and playbooks
- Identify opportunities for automation and operational efficiency
- Stay current with emerging threats, vulnerabilities, and security trends
- Participate in security exercises and tabletop scenarios
- 4-8 years of experience in security operations, incident response, or related field
- Hands-on experience with security monitoring tools (SIEM, EDR, IDS/IPS, etc.)
- Strong understanding of common attack vectors, tactics, and techniques
- Experience with log analysis and security event correlation
- Knowledge of incident response methodologies and best practices
- Excellent analytical and problem-solving skills
- Ability to work independently and manage multiple priorities
- Experience working with managed security service providers
- Familiarity with cloud security monitoring (AWS, Azure, GCP)
- Scripting or automation experience (Python, PowerShell, etc.)
- Knowledge of compliance frameworks (SOC 2, ISO 27001, NIST CSF)
- Security Information and Event Management (SIEM) platforms
- Endpoint Detection and Response (EDR) solutions
- Network security monitoring tools
- Vulnerability management systems
- Competitive total compensation package (salary + equity).
- Retirement or pension plan, in line with local norms.
- Health, dental, and vision insurance.
- Generous PTO policy, in line with local norms.
We are committed to pay equity and transparency.
Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.
You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email careers@fluidstack.io with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.
Compensation Range: $150K - $250K