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Sr. AI Security Engineer

BackblazeRemote - Argentina; Remote - Colombia ; Remote - Costa Rica ; Remote - MexicoSecurity
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Salary
Not listed
Job type
Full-time
Work mode
Remote
Posted
8 Jun 2026
Status
Open · checked 7d ago

About this role

Role Overview

The Senior AI Security Engineer position at Backblaze is a remote opportunity available for candidates located in Argentina, Colombia, Costa Rica, or Mexico. This hands-on role centers on designing and implementing security safeguards for internal artificial intelligence usage, focusing heavily on developer protection, runtime security, and agentic systems.

Key Responsibilities

Agentic AI Safeguards: Architect and implement guardrails for tool-using AI systems, including tool access controls, allowlists, context and memory isolation, and step-level validation of agent actions aligned with the OWASP Agentic AI Top 10.
Runtime Security Controls: Build enforcement mechanisms that govern AI behavior at execution time through interceptors, proxies, middleware, policy decision layers, rate limits, execution bounds, and kill-switches.
Non-Human Identity (NHI): Design identity and access controls for agents and automation, featuring short-lived credentials, scoped permissions, separation of human and non-human access, and clear binding of identity to task context.
Observability & Detection: Implement logging and tracing for AI prompts, tool usage, and decision flows while building detection capabilities using behavioral baselining and anomaly detection techniques.
Threat Modeling (MAESTRO): Perform agentic system threat modeling using MAESTRO to map trust boundaries and attack paths, translating findings into practical safeguards and detection logic.
Developer Safeguards: Protect developers utilizing AI tools by preventing sensitive data exposure, validating generated code, and enabling secure usage of AI-assisted development tools like Cursor, Codex, and Claude Code.

Requirements

Bring a minimum of 7 years of professional experience in security engineering or backend systems.
Demonstrate proven experience designing and deploying runtime enforcement layers and identity and access systems for non-human entities.
Possess strong programming skills with a preference for Python, alongside competencies in Java, Go, or TypeScript.
Showcase practical experience using AI-assisted development tools in real workflows with a solid understanding of associated security risks.
Bring familiarity with logging, monitoring, detection systems, and API or service interactions.
Maintain practical familiarity with agentic AI systems, tool-integrated LLM workflows, and OWASP guidance for AI and agent risks.
Understand NIST AI RMF concepts, CSA workload and machine identity guidance, Zero Trust for non-human identities, secrets management, and observability tooling like ELK and OpenTelemetry.

Nice to Have

Experience securing internal AI platforms or developer-facing AI tools.
Background in threat hunting, detection engineering, or adversarial testing.
Familiarity with agent frameworks such as LlamaIndex and LangChain.
Experience mentoring engineers and guiding secure design practices.

Skills and Tools

Python
TypeScript
Java
LLM
LangChain
LlamaIndex
OpenTelemetry
ELK

About the Company

Backblaze is the object storage leader within the open cloud movement, helping customers bypass restrictive legacy solutions since its founding in 2007. The company completed a traditional IPO on the Nasdaq stock exchange in 2021 and generates over $100 million in revenue. Today, Backblaze manages over three billion gigabytes of data storage for more than half a million customers across 175 countries. The organization is committed to diversity, equity, and inclusion, operating as an Equal Opportunity Employer that fosters a welcoming workplace for all employees.

How to Apply

Interested candidates should visit the official Backblaze careers page to submit an application for this remote role.

Skills and tech stack

PythonTypeScriptJavaLLMLangChain

Questions candidates ask

Where is this position located?

This is a remote position open to candidates located in Argentina, Colombia, Costa Rica, and Mexico.

How many years of experience are required?

Candidates must have 7+ years of experience in security engineering or backend systems.

What programming languages are needed?

Strong programming skills are required, with Python preferred, and experience in Java, Go, or TypeScript considered a plus.

What specific AI security focus areas does the role involve?

The role focuses on agentic AI safeguards, runtime security controls, non-human identity management, observability, threat modeling using MAESTRO, and developer safeguards.

What framework familiarity is considered a bonus?

Familiarity with agent frameworks such as LangChain and LlamaIndex is listed as a bonus point.

Ready to apply?

The application is on the official Backblaze careers page.

Apply on company site