Cláudio Sousa Email & Phone Number

Guimarães, Braga, Portugal

- Team Management: Help on the management of two IT teams for two companies, one in Portugal and one in Brazil; - Datacenters and Virtual Machines: Managed datacenters in both countries, handling multiple hosts and virtual machines (CentOS, Rocky Linux, Windows Server); - Monitoring: Monitored systems using Icinga and Zabbix, ensuring performance and availability; - Backups: Managed backups with BareOS, Veeam, and Simplebackup, ensuring data recovery; - Firewall and Networks: Configured firewalls (firewalld, shorewall) and IPsec; - Virtualization: Managed virtualization infrastructures, transitioning from VMware ESXi to oVirt, with knowledge of Proxmox;-Containers: Experience with Docker, including the installation of solutions in containers, both in standard and rootless modes, ensuring efficient and secure containerized deployments; - Certificate Management: Created and maintained root CA and sub-CA using EJBCA; - Timestamp Authority: Set up a timestamp authority using SignServer; - HSM Configuration: Configured Hardware Security Modules for cryptographic key protection; - Proxies: Set up proxies with HAProxy, Nginx, and Apache, ensuring load balancing; - High Availability: Implemented high availability between datacenters to ensure service continuity; - Distributed Databases: Installing and manage MySQL (Galera) and PostgreSQL (Patroni) distributed databases; - Physical Infrastructure: Installed physical servers and switches, ensuring network connectivity; - Automation: Automated tasks using Ansible and AWX (Ansible Tower); - Network Diagrams: Created network and flow diagrams for documentation; - Vulnerability Testing: Conducted vulnerability testing and implemented security fixes; - DNS Management: Configured DNS servers and managed DNS zones; - Scripting: Developed Bash scripts for task automation; - Active Directory: Administered AD, DNS, DHCP, and certificates; - Email Servers: Managed Exchange Server and Postfix.

Guimarães, Braga, Portugal

- Technical and Remote Support (TeamViewer): Diagnosis and resolution of hardware and software technical issues, with remote assistance via TeamViewer; - In-Person and Phone Support: Customer service provided both in-person and over the phone, offering technical support and answering queries; - Customer Service and Online Shopping: Assistance with navigating online shopping platforms, helping with purchase steps and problem-solving; - Email and Ticket Management (osTicket): Responding to support requests via emails and tickets, ensuring efficient resolution of inquiries.

Guimarães, Braga, Portugal

- ERP Primavera: Issuance of invoices, receipts, and credit notes, as well as the registration of new customers; - Report Issuance: Preparation of financial and management reports; - Payment Verification: Monitoring payments and account reconciliation; - Email Management and Client Contact: Direct communication with clients and email management.

Graduation, Electronic And Informatics Engineering

Technological Specialization, Computer Applications Management

Middle School, Dairy Science