Senior Security Infrastructure Engineer (AWS/Kubernetes)

Location: Argentina, Remote

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

Company

hirify.global is a fintech and retail technology company developing interest-free installment payment solutions and shopping experiences for consumers and merchants.

What you will do

• Lead vulnerability management across infrastructure, platforms, and applications, including scanning, validation, triage, remediation coordination, and verification.
• 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 lasting fixes.
• Design threat detection strategies for suspicious activity and data exfiltration using application and database telemetry.
• Conduct threat modeling and security design reviews while securing AWS and Kubernetes infrastructure at scale.
• Harden infrastructure and CI/CD workflows, reduce software supply chain risk, and develop security automation using AI where appropriate.

Requirements

• 6+ years of experience in security, software, or infrastructure engineering, including production cloud security.
• Hands-on experience with vulnerability management, security findings triage, remediation, and verification.
• Experience with SIEM platforms such as Wazuh, Splunk, or ELK, including detection engineering and incident response.
• Strong knowledge of AWS, Linux, and Kubernetes, including security architecture, hardening, and operational practices.
• Experience with CI/CD hardening, software supply chain risk mitigation, and container or dependency security tools such as Snyk, Trivy, or Grype.
• Working knowledge of OWASP, SANS, PCI DSS, and SOC 2; experience with Claude or equivalent large language model tools is required.

Nice to have

• Experience designing and tuning detection rules, improving telemetry pipelines, and reducing alert noise.
• Strong understanding of cloud-native security controls, IAM, network segmentation, and container security.
• Experience designing secure CI/CD workflows and aligning technical security work with regulatory requirements.

Culture & Benefits

• Remote, full-time work arrangement.
• High ownership and autonomy in a fast-paced security engineering environment.
• Opportunity to work with modern tooling, open-source technologies, automation, and AI.
• Focus on practical security improvements, strong engineering standards, rapid decision-making, trust, and delivering results.