Senior Security Engineer, Detection & Response

This is a fully remote position, open to applicants in Argentina.

📋 Description

• Develop, manage, and enhance SIEM/XDR capabilities, encompassing log ingestion, detection rules, alert tuning, and investigation workflows.

• Create and implement detection strategies to identify suspicious activities and data exfiltration patterns.

• Broaden audit and attribution coverage across Kubernetes, databases, SSO, and telemetry related to access paths.

• Investigate and respond to security incidents within cloud infrastructures and applications.

• Conduct root cause analysis and implement long-term solutions.

• Execute proactive threat hunts in cloud and identity environments.

• Establish repeatable and effective agentic hunting workflows.

• Manage vulnerability across infrastructure, platforms, and applications.

• Assess and validate external security findings and bug bounty submissions.

• Contribute to threat modeling and participate in security design reviews.

• Leverage AWS and Kubernetes expertise to secure systems and guide engineering teams.

• Support security controls that align with PCI DSS, SOC 2, and various compliance standards.

• Create automation, including AI, for security operations, detection, and response activities.

• Take part in the on-call rotation for detection and response as well as for owned services.

• Report to the Director of Information Security and work collaboratively with security platform, network, and zero-trust engineers.

⛳️ Requirements

• Over 6 years of experience in security, software, or infrastructure engineering.

• Practical experience securing cloud-based production environments.

• Familiarity with SIEM platforms like Wazuh, Splunk, or ELK.

• Experience in designing and fine-tuning detection rules, minimizing alert noise, and enhancing investigation workflows.

• Strong hands-on experience with vulnerability management, including scanning, triage, validation, remediation coordination, and verification.

• In-depth knowledge of AWS, Linux, and Kubernetes infrastructure, along with security architecture and best operational practices.

• Capability to investigate issues using logs, cloud tools, and system-level data.

• Experience evaluating detection and logging considerations for new systems during design reviews.

• Understanding of common security vulnerabilities and mitigation strategies, including OWASP and SANS guidelines.

• Familiarity with PCI DSS and SOC 2 compliance frameworks.

• Proven AI-forward engineering experience using tools such as Claude Code, Codex, Cursor, or custom LLM integrations.

• Preferred: experience in building AI-assisted workflows, internal penetration testing, cloud-native security controls, container and dependency security tools, regulatory compliance alignment, or fintech/payments environments.

🏝️ Benefits

• Competitive gross monthly salary ranging from $5,000 to $9,500 USD, depending on experience.

• AI-assisted engineering workflows.

• Involvement in the on-call rotation.

• An engineering environment focused on open-source solutions.

• A diverse employee community with shared interests in music, yoga, cycling, cooking, golf, dogs, and rock climbing.