-RedHat (5,6,7,8,9), CentOS (7,8,9), Ubuntu, Oracle Linux administration,-Different cloud solutions (AWS, AZURE, GCLOUD)-Network Administration (TCP/IP, Routing, Firewall)-Installation and configuration of services (Mysql/MariaDb, PostgreSQL, Apache / Nginx, SAMBA, NFS, Postfix, SFTP, Winbind, Jenkins, etc)-Container management Docker, Kubernetes-Task automation with Jenkins-Configuration automation with Ansible-Using GIT (cloning, branching, etc.)-SSL/TLS Certificates Management (Certbot)-Scripting (Bash, Python)-Database Administration and Maintenance-Server monitoring (Nagios)-Volume management (LVM, LVM Snapshots,Zpool)-Load balancers (HaProxy), and high availability (KeepAliveD)-Web Servers: Apache, Nginx, CloudPanel-Databases: MySQL, MongoDB, MariaDB, PostgreSQL-VMware, VDC, OVM, OLVM management

-Administration of users, groups & computers-Installation, maintenance and administration of Linux servers: -Web servers: Apache, Nginx, PHP, cPanel -Databases: MySQL, MongoDB -Backup: Rsync, Veeam- Installation/Configuration of Virtual Machines (Hyper-V)-Migration of physical machines to virtual machines and / or cloud (Azure, Amazon EC2)-Database Administration and Maintenance -Installation, configuration, backups and data migrations.-Server performance monitoring, resource utilization and improvement planning.Monitoring server performance, resource utilization and improvement planning.-Development of bash scripts to automate administration tasks such as data replication from one server to another, resource monitoring, automatic server health check, automatic backups and automatic log review / deletion.-Security patches and updates-Incident resolution

Developed custom websites to meet individual client needs:SEO, Analytics, Mail Marketing, ADSSetup online stores: Shopify, WoocommerceDNS, backups, monitoring, and updates.Developed and maintained custom cloud infrastructure tomeet individual client needs::Google Cloud, Oracle Cloud, AWSLinux AdministrationNetworking

Administrated users, groups & computersDiagnosed, troubleshot, and resolved hardware, software, andother network problems (VLAN, Switches, Routers, TCP/IP).Planned and implemented linux servers for differente servicesMaintained and administered computer services related to:Web Servers (Apache, Nginx)Databases( MySQL, PostgreSQL, MongoDB)Backup (Rsync)Monitored servers performance, resource utilization and planning.Applying patches, updates, and security measures to servers.Linux and Windows Support: AD, DNS, DHCP, VPN, …Microsoft Support: Outlook, Exchange, O365, Teams

• Conferred with technicians, users, and management to establishrequirements for new systems or modifications.•Conferred with users, technicians, and other departments toinvestigate and resolve problems and to provide technicalassistance and support, as well as to create and improveprocedures.•Oversaw the daily performance of the Service Desk team.•Assigned and reviewed the work of the Service Desk team.•Developed training materials and procedures, and trained users inthe proper use of hardware and software.•Set up equipment for employee use, performed and ensuredproper installation of cables, operating systems, and appropriatesoftware.• Inspected equipment and order sheets to prepare for delivery tousers.• Consulted with users, management, vendors, and technicians toassess computing needs and system requirements.• Evaluated the organization's technology use and needs andrecommended improvements to hardware and software.•Prepared and reviewed operational reports and project progressreports.

•Escalation and Documentation of incidents.•IT devices Maintenance and Configuration.•Service Alert Monitoring.•Maintained and monitored continuous integration programs andcoordinated its installation and deployment.•Consulted with customers and developers on project status,proposals and technical issues, such as software system designand maintenance.•Bug reporting of existing software to correct errors, adapt to newhardware, or upgrade interfaces.•Trained users to use new or modified software.•Linux and Windows Administration.•CMDB maintenance.