Security Specialist

1 semana atrás


Rio de Janeiro, Brasil Decentralized Masters Tempo inteiro

Who Are We? Decentralized Masters is at the forefront of DeFi education globally. In just two years, we have grown from a pioneering pair of co-founders to over 130 dedicated professionals. Today, we are recognized as one of the fastest-growing enterprises in the sector, with industry insiders predicting our evolution into a unicorn company by 2030. Operating on a bootstrapped model, we are on track to achieve an impressive \$50 million in revenue this year alone. 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. Are You Ready? This is more than just a job; it's an opportunity to shape the future of Web3 technology and education. Apply below, and let's explore this journey together. Check us out here: What will you be doing? We are seeking a Security Specialist to develop, maintain, and continuously improve the security infrastructure across Decentralized Masters and our new SaaS venture. This role focuses on operational security, data protection, risk prevention, and proactive threat mitigation. You'll work cross‑functionally with engineering, data protection, compliance, operations, and product teams to ensure the confidentiality, integrity, and availability of our systems, data, and customer assets. This is a hands‑on role, ideal for someone who thrives in a fast‑moving, high‑ownership environment. Key Responsibilities Operational & Technical Security 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, including hands‑on work with data classification and monitoring systems Perform detailed data flow mapping to understand how customer data moves across internal systems, SaaS apps, APIs, and third‑party integrations Cloud Security 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 Risk Management & Compliance Support compliance frameworks including GDPR, SOC 2, ISO 27001, and crypto‑specific security standards as required Develop and maintain internal security policies, procedures, and security controls Partner with the Data Protection & Information Security Officer to ensure alignment across security, privacy, and data governance Access & Identity Management 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 Security Awareness & Culture Deliver training, simulations, and internal education to strengthen internal security awareness Lead phishing simulation programs and social engineering prevention initiatives Incident Response 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 Secure Development & SaaS Security (Bonus) Collaborate with engineering teams to embed secure‑by‑design practices into our SaaS products Conduct application security reviews, threat modeling, and code analysis (bonus) Contribute to architecture decisions for new features and infrastructure Must‑Have Requirements 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 Nice‑to‑Have 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 Benefits 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 Apply now to join us in redefining what's possible in DeFi and beyond. If you're a visionary leader ready to drive our mission and help us achieve unicorn status, we want to hear from you. #J-18808-Ljbffr


  • Cyber Security Specialist

    4 semanas atrás


    Rio de Janeiro, Brasil Technipfmc Tempo inteiro

    Cyber Security Specialist Location: Krakow, PL Employment type: EmployeePlace of work: Hybrid Offshore / Onshore : Onshore TechnipFMC is committed to driving real change in the energy industry. Our ambition is to build a sustainable future through relentless innovation and global collaboration – and we want you to be part of it. You’ll be joining a...


  • Rio de Janeiro, Brasil Kyndryl Tempo inteiro

    BR**Why Kyndryl**Our world has never been more alive with opportunities and, at Kyndryl, we’re ready to seize them. We design, build, manage and modernize the mission-critical technology systems that the world depends on every day. Kyndryl is at the heart of progress — dedicated to helping companies and people grow strong. Our people are actively...

  • Security Specialist

    Há 7 dias


    Rio de Janeiro, Rio de Janeiro, Brasil Decentralized Masters Tempo inteiro

    Who Are We?Decentralized Masters is at the forefront of DeFi education globally. In just two years, we have grown from a pioneering pair of co-founders to over 130 dedicated professionals. Today, we are recognized as one of the fastest-growing enterprises in the sector, with industry insiders predicting our evolution into a unicorn company by 2030. Operating...

  • Security Specialist

    Há 7 dias


    Rio de Janeiro, Rio de Janeiro, Brasil Decentralized Masters Tempo inteiro

    Who Are We?Decentralized Masters is at the forefront of DeFi education globally. In just two years, we have grown from a pioneering pair of co-founders to over 130 dedicated professionals. Today, we are recognized as one of the fastest-growing enterprises in the sector, with industry insiders predicting our evolution into a unicorn company by 2030. Operating...

  • Security Specialist

    Há 5 dias


    Greater Rio de Janeiro, Brasil Decentralized Masters Tempo inteiro

    Who Are We?Decentralized Masters is at the forefront of DeFi education globally. In just two years, we have grown from a pioneering pair of co-founders to over 130 dedicated professionals. Today, we are recognized as one of the fastest-growing enterprises in the sector, with industry insiders predicting our evolution into a unicorn company by 2030. Operating...


  • Rio de Janeiro, Brasil Hostaway Tempo inteiro

    Hostaway is the market-leading SaaS scale-up transforming the vacation rental industry. With innovative solutions and partnerships with giants like Airbnb, VRBO, and Booking, we're taking on the competition and winning. Leveraging our customer-centric core values, we consistently deliver results that encourage growth, learning, and innovation for our team,...


  • Rio de Janeiro, Brasil Hostaway Tempo inteiro

    Hostaway is the market-leading SaaS scale-up transforming the vacation rental industry. With innovative solutions and partnerships with giants like Airbnb, VRBO, and Booking, we're taking on the competition and winning. Leveraging our customer-centric core values, we consistently deliver results that encourage growth, learning, and innovation for our team,...

  • Cloud Security Specialist

    2 semanas atrás


    Rio de Janeiro, Rio Metropolitan Center, Brasil Avanade Brasil Company Tempo inteiro

    Na Avanade, acreditamos que a segurança é a base da inovação. Como Cloud Security Specialist, você será peça-chave na proteção de ambientes Microsoft Azure, garantindo que nossos clientes avancem com confiança em suas jornadas de transformação digital. Sua atuação será essencial para fortalecer arquiteturas, mitigar riscos e alinhar práticas...


  • São João de Meriti, Brasil Amazon Servicos De Varejo Do Brasil Ltda. Tempo inteiro

    **DESCRIPTION**:The Loss Prevention Specialist (LPS) is a strategic position at Amazon, responsible for leading asset protection efforts (people, products, facilities, equipment, data, and intellectual property) in designated operational units.Reporting to the Loss Prevention Manager, the professional works closely with operational and cross-functional teams...


  • São João de Meriti, Brasil Amazon Servicos de Varejo do Brasil Ltda. Tempo inteiro

    **DESCRIPTION**:The Loss Prevention Specialist (LPS) is a strategic position at Amazon, responsible for leading asset protection efforts (people, products, facilities, equipment, data, and intellectual property) in designated operational units. Reporting to the Loss Prevention Manager, the professional works closely with operational and cross-functional...