João Tostes Email & Phone Number

Federal District, Brazil

Федеральный Округ, Бразилия

- Linux and Windows system hardening: Securing Linux and Windows systems by applying best practices, configurations, and updates to minimize vulnerabilities.- IDS and IPS installation and management: Deploying and maintaining Intrusion Detection and Prevention Systems to monitor, secure networks from threats and better mitigation.- Firewall & Antivirus Management: Configuring and managing firewalls and antivirus solutions to protect systems and networks from unauthorized access and malware.- SIEM installation and management: Installing and managing Security Information and Event Management (SIEM) tools to monitor, analyze, and respond to security events in real-time.- Pentesting: Conducting penetration testing to identify and exploit vulnerabilities in systems and applications, ensuring improved security defenses.- Linux System Administration: Managing Linux servers, including user accounts, software updates, system performance, security, Host-Firewall and troubleshooting.- Network Monitoring & Vulnerability mitigation: Monitoring network activity to detect anomalies and implementing measures to mitigate vulnerabilities.- Malware Analysis & Incident Response: Investigating malware to understand its behavior and providing rapid responses to contain and remediate incidents avoinding, at maximum level, potential data leaks or system damages.- Kubernetes & Docker Cluster Management: Managing containerized environments by deploying, scaling, and maintaining Kubernetes and Docker clusters.- NGINX management: Configuring and optimizing NGINX for web serving, reverse proxy, and load balancing to enhance application performance.- Ansible Automation: Automating IT processes and configurations using Ansible, improving efficiency and reducing manual tasks in Linux and Windows environments.

Brasília, Distrito Federal, Brasil

Brasília, Distrito Federal, Brasil

- Cloud troubleshooting & customer support: Identifying and resolving issues in cloud environments while providing technical assistance.- Creation of Cloud Architectures: Designing scalable, secure, and efficient cloud infrastructure tailored to business needs.- Provisioning IaaS, PaaS and SaaS environments: Deploying and configuring cloud services to enable businesses to leverage Infrastructure, Platform, and Software as a Service.- Creation, Reading and Development of Public Tenders: Preparing, reviewing, and responding to public procurement documents and requirements from government sectors- Point-to-Point of Public Tenders: Managing and tracking all stages of public tender processes to ensure compliance and successful outcomes.- Creating budgets for Cloud environments: Developing cost-effective budgets for cloud-based projects, balancing operational and financial goals.- DevOps troubleshooting in the Cloud (Terraform, Docker, and Kubernetes): Diagnosing and fixing issues in cloud-based DevOps pipelines, focusing on automation and container orchestration.