Senior Security Infrastructure Engineer (Fintech)

Location: Argentina, Remote

Salary: $5,000–$9,500 USD gross per month

Company

hirify.global develops fintech and retail solutions centered on interest-free installment payments, helping consumers shop more flexibly and merchants increase conversions and order values.

What you will do

• Lead vulnerability management across infrastructure, platforms, and applications, including scanning, dependency analysis, validation, triage, and remediation coordination.
• Build and operate SIEM/XDR capabilities through log ingestion, detection rule development, alert tuning, and investigation workflows.
• Investigate security incidents across cloud infrastructure and applications, perform root cause analysis, and drive long-term fixes.
• Design detection strategies for suspicious activity, including data exfiltration patterns based on application and database telemetry.
• Secure AWS and Kubernetes infrastructure, CI/CD pipelines, containers, and software supply chains.
• Develop security automation, including AI-assisted workflows, and support controls aligned with PCI DSS, SOC 2, and other compliance requirements.

Requirements

• 6+ years of experience in security, software, or infrastructure engineering.
• Hands-on experience securing cloud-based production systems and working with real-world security incidents.
• Experience with threat modeling, security design reviews, vulnerability management, and remediation validation.
• Strong knowledge of AWS, Linux, and Kubernetes, including cloud security architecture and hardening.
• Experience with SIEM platforms such as Wazuh, Splunk, or ELK, plus vulnerability, container, and dependency security tools.
• Experience working with Claude or equivalent large language model tools is required.

Nice to have

• Experience designing and tuning detection rules, reducing alert noise, and improving investigation workflows.
• Knowledge of IAM, network segmentation, container security, telemetry pipelines, and security analytics.
• Experience designing secure CI/CD workflows and aligning technical security work with compliance expectations.

Culture & Benefits

• Remote, full-time work from Argentina.
• High ownership, autonomy, and a strong focus on practical security outcomes.
• Emphasis on high standards, direct communication, calculated risk-taking, and delivering results.
• Technology environment includes Golang, TypeScript, Python, React, React Native, MySQL, Postgres, Elasticsearch, AWS, Kubernetes, Git, and GitLab.
• Focus on open-source technology and automation-driven engineering practices.