Ai Security Engineer

Ai Security Engineer - Detalhes da Vaga. ● Our technology helps AI and Application Security teams see risk as it really is. ● The result: faster, smarter security decisions based on what''s actually happening inside your apps. ●Backed by leading VCs, Rein is already trusted by companies across banking, energy, and SaaS. ●The RoleWe''re looking for a driven, hands-on AI Security Engineer to help secure AI agents, applications, and the infrastructure around them. ● You''ll combine application security, cloud security, and offensive testing to identify how AI-enabled systems can fail or be abused, then work with Engineering and Product to build practical defenses. ● This role suits someone who enjoys breaking down unfamiliar systems, writing code, and turning emerging AI risks into reliable security controls. ●What You''ll DoThreat-model AI agents and applications, including model, prompt, tool, data, identity, memory, retrieval, and third-party integration risks. ●Design and execute security testing for LLM and agentic systems, covering prompt injection, data leakage, unsafe tool use, excessive agency, authorization flaws, and abuse scenarios. ●Build prototypes, test harnesses, and automation in Python or a comparable language to evaluate AI behavior and reproduce security findings. ●Review application and cloud architectures, code, APIs, identity flows, and data pipelines; identify weaknesses andrecommend secure design patterns. ●Develop guardrails, policy enforcement, detections, and runtime controls that reduce risk without blocking useful AI behavior. ●Partner with Product and Engineering throughout the development lifecycle to define security requirements, validate mitigations, and support secure releases. ●Investigate security events involving AI systems and translate technical findings into clear, prioritized remediation guidance. ●Create reusable security guidance, technical documentation, and reference architectures for AI and application security teams. ●Track emerging AI attack techniques, research, and standards; test their practical relevance and incorporate useful findings into our product and practices. ●What You Bring3-5 years of experience in application security, product security, cloud security, security engineering, penetration testing, or a similar hands-on role. ●Strong software engineering or scripting capability, ideally in Python, with the ability to build tools, integrate APIs, and analyze complex application behavior. ●Strong knowledge of application security fundamentals, including authentication, authorization, API security, secrets management, common web vulnerabilities, and secure software design. ●Experience with at least one major cloud platform (AWS, Azure, or Google Cloud), containerized environments, and cloud-native security controls. ●Practical familiarity with LLM applications, agent frameworks, RAG architectures, model APIs, and the security risks created by prompts, tools, memory, and untrusted data. ●Experience with threat modeling, security architecture reviews, code review, penetration testing, or adversarial testing, with clear and actionable reporting. ●Strong written and verbal English communication. ● Relevant security certifications, open-source work, research, or responsible disclosures are welcome, but practical capability matters more. ●Who You AreCurious and adversarial - you naturally explore how systems can be misused, bypassed, or made to behave unexpectedly. ●A builder as well as a breaker - you can move from identifying a weakness to designing and validating a practical fix. ●Self-sufficient and highly motivated - you can navigate ambiguity, prioritize effectively, and own work without hand-holding. ●A strong communicator who translates novel technical risks into clear product impact and recommended action. ●Honest, direct, collaborative, and comfortable working in a fast-moving, early-stage environment. ●What We OfferCompetitive compensation, equity, and benefits. ●A remote role based in India, with close collaboration across a distributed team. ●Flexible PTO and a remote-friendly work environment. ●The opportunity to work closely with the company''s leadership team and shape AI security technology in a high-growth startup. ●. Requisitos para participar do processo. ● . O que oferecemos.