I am an experienced Unix/Linux administrator and DevOps engineer with over a decade of expertise managing and hardening Linux and BSD servers across various environments. My background includes extensive work with cloud platforms such as AWS, GCP, Azure, and Oracle Cloud, where I have supported and architected customer environments to ensure optimal performance and security. I have a strong foundation in scripting languages including Bash, Perl, and Python, which I use to automate tasks and improve system reliability.
Throughout my career, I have been deeply involved in security best practices, ethical hacking, and penetration testing, helping organizations safeguard their critical infrastructure. I have hands-on experience with database servers like MySQL, MariaDB, and PostgreSQL, and have implemented monitoring solutions such as Zabbix and Wazuh to maintain system health and security.
I have worked remotely and on-site in various industries including technology, education, and tourism, managing complex IT infrastructures and leading migrations of servers and databases. My roles have ranged from system administration to IT management, where I have been responsible for firewall administration, incident response, and network architecture.
I am fluent in Spanish and have professional working proficiency in English, with additional knowledge of French and German. I am passionate about continuous learning and sharing knowledge, having potential experience as an instructor for official training programs.
I am seeking opportunities where I can leverage my technical skills and experience in Unix/Linux systems administration, cloud engineering, and security to contribute to organizational success and innovation.
Customer Success Engineer (troubleshooting, support). Attending tickets about different services (EC2, RDS, Route53, DynamoDB, Aurora, ECS, EKS, ECR, Fargate, DocumentDB, Compute Engine, Cloud Storage, Cloud SQL, IAM, Virtual Machines, Blob Storage, SQL Database). On Call attending emergencies with different teams for fixed problems.
Definition of architecture in customer environments (consulting). AWS Certified Cloud Practitioner. Customer Success Engineer (troubleshooting, support). Attending tickets about different services (EC2, RDS, Route53, DynamoDB, Aurora, ECS, EKS, ECR, Fargate).
Technical troubleshooting (support), definition of architecture in customer environments (consulting). Participation in implementation projects (turn-key). Support in the development of new products (technical architecture/cloud infrastructure/premises). Pre-sales engineer presenting demos of Zabbix in new versions for future LATAM clients. Potential role as instructor in official training (ZCU, ZCS, ZCP, ZCE).
Implementation of servers in Linux CentOS, configuration of firewall and SELinux policies for projects in Colombia and Chile. Implementation of Zabbix monitoring system with alerts via Telegram and Google Chat. Installation of WAZUH (Elasticsearch, Kibana) for servers. SIEM Engineer specialized in Wazuh. Installation of mail servers. Hardening server best practices. Creation of backup scripts for databases and websites (WordPress, Moodle) to S3 in Amazon.
Planning and migration of WEB Servers and Database Server (MySQL) for Nettix (Lima, Peru). Migration of datacenter servers from Canada (KVM) to Germany (Proxmox) for Kronops client. System Performance Tuning for MySQL in Windows Server. Web pentesting and reporting of security flaws. Mail Server and Website (LAMP) migration for DTSS (Punta Cana).
Planning and migration of Mail Servers to OVH. Administration of firewalls (Fortigate and Pfsense), configuration and security updates. Computer Security Incident Response Team for Mexico and Dominican Republic. Penetration testing of servers in Mexico. Responsible for security of critical servers (Linux and Windows). Installation and administration of Windows 2008 Servers (DNS, AD, DHCP). Administration of AWS instances, Docker. Implementation of Microsoft Dynamics. Management of PBX Grandstream and security updates. Planning wireless network using Ubiquiti Unifi AP.
Planning and migration of servers in FreeBSD. Responsible for security of corporate infrastructure and remote offices. Security Incident Response Team. Vulnerability analysis using Nessus, OpenVAS, Nikto. Implementation of mail server in FreeBSD (Postfix with MySQL) and security updates. Administration of firewalls (Fortinet). Administration of Windows 2003 Servers (DNS, AD, DHCP). Administration of servers (Windows, Linux, FreeBSD). LAMP stack implementation. Implementation of GLPI, OCS inventory, OpenFire.
Linux Server Administrator (Red Hat Enterprise). Security Incident Response Team. Customer support. Certified Ethical Hacking course. Migration of Linux servers to FreeBSD. Managing firewall on OpenBSD in corporate office.
Implementation of virtual servers (Vserver). Server management in Gentoo. Part of security incident response team. Computer audit to State Government of Quintana Roo (State Treasury), pentesting web and audit firewalls and evasion techniques.
Development of Software
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