Security Specialist

Decentralized Masters
📍 Rio de Janeiro - RJ Publicado 03/12/2025 Área: Security Specialist
Remoto / Home office

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We are seeking a Security Specialist to develop, maintain, and continuously improve the security infrastructure across Decentralized Masters and our new SaaS venture.

Local

Rio de Janeiro - RJ

Remoto

Responsabilidades

  • Monitor, analyze, and respond to security events across systems, cloud environments, applications, and internal tools.
  • Implement and manage SIEM, IDS/IPS, endpoint protection, vulnerability scanners, and logging infrastructure.
  • Conduct regular vulnerability assessments and coordinate remediation with engineering teams.
  • Oversee secure configuration baselines for infrastructure, servers, cloud accounts, and internal systems.
  • Implement and enforce Data Loss Prevention (DLP) policies, tools, and controls to prevent unauthorized data transfers.
  • Perform detailed data flow mapping to understand how customer data moves across internal systems, SaaS apps, APIs, and third-party integrations.
  • Secure cloud environments (AWS preferred) including data at rest and in transit using encryption and cloud-native security tools.
  • Manage cloud access policies, network segmentation, secrets management, and continuous monitoring.
  • Support compliance frameworks including GDPR, SOC 2, ISO 27001, and crypto-specific security standards.
  • Develop and maintain internal security policies, procedures, and security controls.
  • Serve as the Access & Control Monitoring expert, managing IAM, RBAC policies, least-privilege access, MFA, and anomaly detection systems.
  • Perform regular access reviews, privilege audits, and segregation-of-duty checks.
  • Maintain strong audit logging practices and monitoring of access behavior.
  • Deliver training, simulations, and internal education to strengthen internal security awareness.
  • Lead the incident response process: detection, escalation, containment, investigation, and post-incident review.
  • Maintain and improve the incident response playbook; run annual and quarterly tabletop exercises.
  • Collaborate with engineering teams to embed secure-by-design practices into our SaaS products.
  • Conduct application security reviews, threat modeling, and code analysis.
  • Contribute to architecture decisions for new features and infrastructure.

Requisitos

  • 3+ years of experience in cybersecurity, information security, or security operations.
  • Hands-on experience with Data Loss Prevention (DLP) tools and data classification frameworks.
  • Strong data flow mapping expertise with the ability to trace data across systems, integrations, and APIs.
  • Solid understanding of cloud security concepts, encryption, and cloud-native security tools (AWS preferred).
  • Expertise in IAM and Access Control Monitoring, including least-privilege models, RBAC, MFA, and anomaly detection.
  • Familiarity with audit logging, SIEM tools, vulnerability management, and endpoint security.
  • Experience with incident response processes and playbooks.
  • Strong understanding of MITRE ATT&CK, threat actors, and common attack vectors.
  • Working knowledge of compliance standards such as GDPR, SOC 2, and data protection regulations.
  • Excellent communication skills and the ability to collaborate with technical and non-technical teams.

Diferenciais

  • Experience working in fintech, blockchain, or DeFi environments.
  • Familiarity with cryptographic concepts, wallets, smart contracts, or key-management practices.
  • Certifications such as Security+, CySA+, GSEC, GCIH, OSCP, CCSP, or similar.
  • Experience automating security workflows using scripting languages.
  • Exposure to ISO 27001, SOC 2 Type II audits, or similar security frameworks.

Benefícios

  • Competitive salary package
  • Flexible 40-hour workweek
  • Unlimited PTO and flexible work schedules
  • Team off-sites and events
  • Fully remote work setup — join our global team from anywhere!

Faixa salarial

Competitive salary package

Carga horária

Flexible 40-hour workweek

Tipo de contrato

Fully remote work setup

Processo seletivo

  • Apply now to join us in redefining what's possible in DeFi and beyond.

Sobre a empresa

Our Impact While our growth has been remarkable, we take even greater pride in the success of our clients.

To date, we have empowered over 4000 investors to break into the DeFi world.

At Decentralized Masters, we don't just offer education; we cultivate a powerhouse of knowledge combined with an engaging community, innovative technology, and a team of leading DeFi and blockchain experts.

Our commitment is to deliver unparalleled resources designed for long-term success in the world of DeFi and Web3, ensuring our members not only safeguard but also enhance their financial future.

Our Vision Our goal is to create the largest and most influential DeFi ecosystem the world has ever seen, starting with becoming the gold standard in DeFi education.

This vision is ambitious, transformative, and poised to change the landscape of digital finance.

Benefícios

  • Competitive salary package
  • Flexible 40-hour workweek
  • Unlimited PTO and flexible work schedules
  • Team off-sites and events
  • Fully remote work setup — join our global team from anywhere!