Head of Cyber Security

OSL; São Paulo; Presencial; BRL 150 000 - 230 000; Tempo integral

Resumo da oferta

OSL is a digital asset platform seeking a Cybersecurity Specialist based in Brazil to lead security operations across LATAM. You will design controls for network, cloud (AWS/GCP), IAM, and endpoints, and conduct vulnerability testing and hardening.

Responsibilities include incident response, threat hunting, and post-incident remediation, with a focus on LGPD compliance and global security alignment with HQ. Strong English is required; Portuguese is a plus.

Qualificações

• Bachelor's degree in Computer Science, cybersecurity, or related field.
• 3+ years in cybersecurity, enterprise security, or cloud security, preferably in FinTech, Blockchain, Exchanges, or Digital Asset Custody.
• Fluency in English for global team collaboration.
• Portuguese language skills are a plus for local operations.

Responsabilidades

• Design, implement, and maintain security controls across local operations (network, cloud, IAM, and endpoints).
• Lead vulnerability assessments, penetration testing, and system hardening.
• Respond to security incidents in the region; drive threat hunting and post-incident remediation.
• Coordinate with Brazil/LATAM team and HQ Global Security on security policies.

Conhecimentos

Cloud security

Network security

Zero Trust

IAM architecture

Vulnerability management

Incident response

English fluency

Portuguese (Brazilian)

Formação académica

Bachelor's degree in Computer Science/Cybersecurity

Ferramentas

SIEM

EDR

SOAR

WAF

Descrição da oferta de emprego

OSL is a leading digital asset platform. We are expanding our footprint in Latin America and seeking a talented Cybersecurity Specialist based in Brazil to champion security operations, threat defense, and compliance across the region.

Key Responsibilities

Security Infrastructure & Threat Defense

• Design, implement, and maintain security controls across local operations, covering network security, cloud security (AWS/GCP), IAM, and endpoint defense.
• Conduct continuous vulnerability assessments, penetration testing, and system security hardening.

Compliance & Data Privacy (LGPD)

• Act as the primary responder for security incidents in the region; lead threat hunting, triage, root-cause analysis, and post-incident remediation.
• Monitor regional and global digital asset threat landscapes (phishing, credential stuffing, API exploits, etc.).

Security Automation & Operations

• Manage and optimize security tools, including SIEM, EDR, SOAR, and WAF, driving automation in monitoring and alerting workflows.

Cross-Functional Collaboration

• Serve as the security liaison between the Brazil/LATAM team and HQ Global Security leadership, ensuring seamless alignment on security policies.

Requirements

Experience:

• Bachelor's degree in Computer Science, Cybersecurity, or a related field.
• 3+ years of experience in cybersecurity, enterprise security, or cloud security, preferably within FinTech, Blockchain, Exchanges, or Digital Asset Custody.
• Fluency in English (Working proficiency - required for global team collaboration).

Technical Expertise:

• Hands-on experience with Cloud Security (AWS/GCP), network security, zero-trust framework, and IAM architecture.
• Solid understanding of enterprise security controls, API security, and vulnerability management.

Regulatory Knowledge:

• Familiarity with LGPD compliance requirements and global security frameworks (ISO 27001, SOC 2, NIST).

PLUS

• Fluency in Portuguese (Native/Professional - required for local operations and vendor communications).