Reddit

Reddit

Senior Security Engineer, AI Security

USRemotePosted Today$190,800 – $267,100
Full TimeSeniorRemoteUS

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Job Description

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote

Key Highlights

  • Review and threat model AI-powered product features, LLM integrations, agentic workflows, MCP servers, tools, plugins, retrieval systems, model outputs, and internal AI tools before launch.
  • Build reusable AI security primitives such as guardrails, scanners, policy checks, tool-use controls, registries, sandboxes, libraries, and workflow-native enforcement points.
  • Design security tooling that can sit in the inference, retrieval, or execution path to detect and prevent prompt injection, jailbreaks, tool misuse, data leakage, unsafe code generation, and suspicious agent behavior.
  • Partner with teams building products and platforms with AI to define practical security controls that fit how they design, build, and ship.
  • Proactively find, fix, and prevent AI security issues, while making any required product or engineering changes clear and low-friction for partner teams.

Qualifications

Required Qualifications

  • Experience securing AI/LLM products, AI-assisted development tooling, agent frameworks, MCP-style tool ecosystems, retrieval-augmented generation systems, or model-integrated workflows.
  • Experience building guardrails, policy engines, secure frameworks, scanners, linters, CI/CD checks, registries, gateways, or other developer-facing security platforms.
  • Familiarity with agent sandboxing, workload identity, network policy, tool permissioning, AI red teaming, or LLM evaluation.
  • Experience scanning or governing AI agent components such as skills, prompts, MCP servers, tool manifests, generated code, dependencies, or model-connected workflows.
  • Familiarity with machine learning systems, model evaluation, AI data flows, or data governance for AI products.
  • Experience with Go, Python, JavaScript, or TypeScript.
  • Experience partnering with privacy, trust and safety, infrastructure, platform, or machine learning teams.
  • Hands-on experience securing distributed systems or cloud-native applications, including Kubernetes, APIs, and microservices.
  • Track record of mentoring engineers or raising the security bar through guidance, tooling, or reusable patterns.
  • Experience securing AI/LLM products, AI-assisted development tooling, agent frameworks, MCP-style tool ecosystems, retrieval-augmented generation systems, or model-integrated workflows.
  • Experience building guardrails, policy engines, secure frameworks, scanners, linters, CI/CD checks, registries, gateways, or other developer-facing security platforms.
  • Familiarity with agent sandboxing, workload identity, network policy, tool permissioning, AI red teaming, or LLM evaluation.
  • Experience scanning or governing AI agent components such as skills, prompts, MCP servers, tool manifests, generated code, dependencies, or model-connected workflows.
  • Familiarity with machine learning systems, model evaluation, AI data flows, or data governance for AI products.
  • Experience with Go, Python, JavaScript, or TypeScript.
  • Experience partnering with privacy, trust and safety, infrastructure, platform, or machine learning teams.
  • Hands-on experience securing distributed systems or cloud-native applications, including Kubernetes, APIs, and microservices.
  • Track record of mentoring engineers or raising the security bar through guidance, tooling, or reusable patterns.

Skills & Technologies

CI/CDMachine LearningGoPythonJavaScriptTypeScriptKubernetes

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Job Details

Employment Type

Full Time

Experience Level

Senior

Salary Range

$190,800 – $267,100

Location

US

Work Mode

Remote

Posted

Today

Country

US