Senior Security Engineer: Detection & Response Leader

Sezzle; Bogotá; On-site; COP 177,611,000 - 337,461,000; Full time

Job summary

Sezzle is seeking a hands-on Senior Security Engineer, Detection & Response in Bogotá, Colombia. The role focuses on strengthening security operations, including SIEM/XDR, incident response, and vulnerability management across cloud infrastructure and applications.

With 6+ years of experience, you will lead investigations, develop detection rules, and drive long-term fixes. The team emphasizes AI-assisted engineering and proactive threat hunting in a fast-paced fintech environment.

Qualifications

• 6+ years of hands-on security, software, or infrastructure engineering.
• Experience securing cloud-based production systems and handling real‑world security challenges.
• Experience with SIEM platforms for detection engineering, monitoring, and incident response.
• Strong knowledge of AWS, Linux, and Kubernetes security architecture.

Responsibilities

• Build, operate, and mature SIEM/XDR capabilities incl. alert tuning and investigations.
• Design detection strategies for suspicious activity, incl. data exfiltration patterns.
• Lead incident investigations and drive long‑term remediation with engineering teams.
• Conduct proactive threat hunts across cloud and identity planes.

Skills

SIEM engineering

Incident response

Cloud security

Threat hunting

Automation & AI

Tools

Wazuh

Splunk

ELK

AWS

Kubernetes

Snyk

Trivy

Grype

Job description

Sezzle is seeking a hands-on Senior Security Engineer, Detection & Response in Bogotá, Colombia. The role focuses on strengthening security operations, including SIEM/XDR, incident response, and vulnerability management across cloud infrastructure and applications.

With 6+ years of experience, you will lead investigations, develop detection rules, and drive long-term fixes. The team emphasizes AI-assisted engineering and proactive threat hunting in a fast-paced fintech environment.