Senior Security Infrastructure Engineer (Fintech)

TL;DR

Senior Security Infrastructure Engineer (Cybersecurity): Strengthening security posture across cloud infrastructure, applications, and developer workflows with an accent on vulnerability management, detection engineering, and supply chain security. Focus on building SIEM/XDR capabilities, securing AWS/Kubernetes environments, and automating security operations using AI.

Location: Remote (Argentina)

Salary: $5,000 - $9,500 USD per month

Company

hirify.global is a fintech company revolutionizing the shopping experience through interest-free installment plans and innovative retail technology.

What you will do

• Lead vulnerability management across infrastructure and applications, validating findings and driving remediation with engineering teams.
• Build and mature SIEM/XDR capabilities, including log ingestion, detection rule development, and alert tuning.
• Investigate and respond to security incidents in cloud infrastructure, performing root cause analysis and implementing long-term fixes.
• Design detection strategies for suspicious activity and data exfiltration using application and database telemetry.
• Harden CI/CD pipelines and implement controls to reduce software and container supply chain risks.
• Implement security controls aligned with PCI DSS and SOC 2 compliance requirements.

Requirements

• 6+ years of experience in security, software, or infrastructure engineering.
• Strong hands-on experience with AWS, Linux, and Kubernetes security architecture and hardening.
• Proficiency in vulnerability management, including scanning, triage, and validation.
• Experience with SIEM platforms (e.g., Wazuh, Splunk, ELK) and container security tools (e.g., Snyk, Trivy, Grype).
• Knowledge of common security vulnerabilities (OWASP, SANS) and compliance frameworks (PCI DSS, SOC 2).
• Must be based in Argentina.

Nice to have

• Experience designing and tuning detection rules to reduce alert noise.
• Deep understanding of cloud-native security controls, including IAM and network segmentation.
• Experience using automation and AI to reduce manual effort in security operations.
• Ability to translate technical security findings into actionable business improvements.

Culture & Benefits

• High degree of ownership and autonomy in a fast-paced, high-impact environment.
• Culture of relentlessly high standards, calculated risk-taking, and candid communication.
• Strong focus on utilizing open-source technology.
• Collaborative environment with a diverse team of purpose-driven innovators.