Gabriel Garcia de Araujo

Principal Cloud Engineer, Oracle OCI – LATAM post-sales. Advise in Portuguese, English, Spanish on migrations, go-lives, escalations, RCA, DR. Key Achievements: • Lead RCA for critical issues, driving fixes. • Built Grafana dashboards for OCI observability – proactive detection. • Drive OCI migrations. • Coordinate zero-downtime go-lives. • Design DR (multi-region, RPO/RTO). • Handle CIO/VP escalations. • Push product improvements.

In Brno, Czech Republic, I support over 3,000 servers for clients in Finance, Banking, Manufacturing, Retail, and Airlines, ensuring high service quality. My role involves UNIX/Linux platform management (AIX, VIOs, HMC, Red Hat, SUSE, CentOS) for resilience and high availability, managing Red Hat Satellite Server, deploying automation with Ansible, and leading migrations to cloud. I provide expert advice, develop efficiency procedures, offer on-call support, and ensure system security and backup.

In my role on the UNIX Operations team, I supported Brazil's largest ATM provider, managing over 1,000 servers on platforms like AIX and Red Hat Linux within a major bank. My duties included ensuring system security through updates, hardening, and audits, optimizing UNIX environment capabilities, automating tasks with Bash/Korn scripts, and deploying servers on both VMware and physical setups. Key to this role was maintaining high availability and resilience across the infrastructure.

As a Unix Account Focal, I managed multiple domestic accounts, providing round-the-clock support and excelling in project and CIRATS management. My role included supporting, updating, and deploying IBM Power Systems (P5-P8, PureFlex) with VIOs and AIX versions 5.3 to 7.1, alongside RHEL Servers and Suse Linux. I also specialized in high availability environments using Red Hat Cluster Suite and PowerHA, enhancing system performance and reliability through Bash and KSH scripting.

2nd level NOC analyst focused on providing support to Linux OS and FOSS products such Apache, Nginx, GlusterFS, etc. on heterogeneous environment with Dell, IBM, HP, Cisco Hardware. Support and activities in Linux projects Best practices Support to 1st level NOC

Work located at IBM Brazil, providing support regarding to CIRATS process to national and international customers. Deployment and maintaining security policies Planning and patch execution, fixing OS security issues in AIX, IBM PowerVM, HP-UX, Sun Solaris, Red Hat Linux Server and Suse Linux Support on migrations and transitions projects to deployment SystemP, SystemX e PureFlex, running AIX 5.3, AIX 6.1, Red Hat Linux Server 4, 5 and 6, Suse Linux 9, 10 and 11.

I ensured network service availability (AD, DHCP, DNS, etc.) on Windows Server 2003, managed Active Directory accounts/GPOs, and enforced security policies via Firewall/Proxy configurations. I administered the Qmail server and McAfee Antivirus, created backups with Symantec, and maintained a virtualized environment with VMware ESXi. Additionally, I installed various Windows OS and Office versions, supported level 3 technicians, and used monitoring tools like CACTI for service continuity.

Conducted rollout action in a large company (airline TAM Linhas Aéreas), including installation of antivirus applications and Microsoft Office 2003, installation of new computers, and creation of accounts in Active Directory.

Handled IT support requests and provided assistance to users, including maintenance of computers, data backup routines using the Novell system, administration of email accounts in the Locaweb panel, and installation and configuration of Symantec network antivirus software.