Paulito L.
Mid-Level IT Systems Specialist
Open to offersNew to PlatformAbout
Paulito G. is a seasoned Senior IT Specialist with extensive experience in managing and optimizing IT infrastructures. Since September 2022, he has been instrumental at OperrWork via Upwork, leveraging technologies like VICIdial, Asterisk, FreePBX, and VoIP systems in Linux environments. He has expertly configured and maintained these technologies, ensuring improved uptime and call stability. Paulito is adept at administering a diverse range of operating systems, including RHEL, AlmaLinux, CentOS, Ubuntu, Solaris, and SUSE. His proficiency in cloud platforms such as AWS, Azure, and GCP underscores his role in supporting virtualized infrastructures. Skilled in automation scripting with Bash, Python, and PowerShell, he has implemented solutions for vulnerability scanning and automated patching, thereby enhancing operational efficiency and reducing manual workloads. His prior experiences at Pogozone, Accenture, Easy Pitch Corp, and Nextix Systems Inc. further highlight his capability in system management, cloud server maintenance, and IT infrastructure projects. Paulito holds certifications like the Microsoft Certified Azure AZ-900 and is a Certified cPanel/WHM Professional, underscoring his technical expertise across multiple IT domains.
Experience
Senior IT Specialist
OperrWork - Upwork · 2022 — PresentInstalled, configured, maintained, and troubleshot VICIdial, Asterisk, FreePBX, and VoIP systems in Linux environments. Managed SIP trunks, carrier routing, dial plans, call recording, campaign configuration, and call quality troubleshooting. Conducted Linux server administration across RHEL, AlmaLinux, CentOS, Ubuntu, Solaris, and SUSE environments. Supported cloud and virtual infrastructures using VMware ESXi, XenServer, ProxmoxVE, AWS, Azure, GCP, and Linode. Developed automation scripts in Bash, Python, and PowerShell for various tasks including vulnerability scanning and monitoring. Implemented automated email logging and reporting systems for server maintenance and infrastructure monitoring. Managed CRM integrations with vtigerCRM and provided support for WordPress hosting environments and customized applications. Monitored infrastructure health and security using Zabbix, Splunk, and pfSense. Administered DB2 databases for migration and performance optimization. Resolved issues through ticketing systems such as WHM/cPanel, OSticket, SyncroMSP, and Jira. Leveraged Ansible and automation tools to enhance operational workflows.Linux System Administrator
Pogozone · 2021 — 2022Planned and implemented installations and upgrades of VMware ESXi, ProxmoxVE, and Red Hat-based Linux systems. Managed cloud servers across GCP, Azure, Alibaba Cloud, and AWS. Troubleshot WHM/cPanel issues through email and ticketing systems. Provided L2 support for cPanel/WHM and email services while utilizing Jira and Jama applications. Implemented ITIL processes and managed ITSM, including monitoring with Datadog. Supported applications such as WordPress, Wikis, and GoAnywhere. Maintained Linux platforms across RHEL6&7, CentOS7,8, Ubuntu22, SUSE12, Solaris11, and HP-UX. Assisted customers with technical issues via email, phone, and ticketing systems, ensuring timely resolutions.Application and Cloud Analyst (Linux)
Accenture · 2017 — 2021Managed user account administration for both Windows and Linux, focusing on registration, deletion, and modifications. Provided L2 support for server issues across RHEL6,7, SUSE, HP-UX, Solaris11, GFS2, Tandem OS, and AIX systems. Offered support for cloud hosting environments using VMware ESXi, AWS, GCP, and Azure. Monitored applications with Zabbix and Splunk. Handled web applications and services administration, including Apache, Nginx, and PHP. Managed Linux services alongside automation tasks, employing Ansible, crontab, PowerShell, and Bash scripting. Troubleshot issues related to SAN, iSCSI, HMC, and file system technologies. Conducted system updates and maintained repositories using YUM and RPM.System Administrator
Easy Pitch Corp · 2014 — 2017Managed hosting platforms for WHM/cPanel and ensured support for Linux environments such as RHEL, SUSE, Ubuntu, and CentOS. Installed and maintained Vicidial alongside various web technologies like Apache and MySQL. Deployed and configured virtualization systems including VMware ESXi and Proxmox. Monitored network security measures including firewalls and DDoS protection. Provided technical support to agents for IT-related workstation issues while ensuring optimal performance of MySQL servers and Linux-based call center systems.System Software Engineer
Nextix Systems Inc. · 2011 — 2014Installed and maintained the Hospital Information System, ensuring database integrity and regular backups. Managed Windows Server and SQL Server for hospital applications. Configured network infrastructure including routers and firewall solutions like pfSense. Deployed virtual machine servers utilizing VMware and related technologies. Offered technical support for workstation issues as well as installed and maintained IP PBX systems for communication. Oversaw database, web, and application server maintenance to ensure operational effectiveness.Manufacturing Technician
Lexmark International (Phil’s.) Inc. · 2004 — 2011Maintained performance for production equipment while contributing to team efforts for product quality and timely production. Operated various machines and performed calibrations and troubleshooting. Conducted Total Productive Maintenance (TPM) to enhance reliability and was involved in process improvement initiatives through Six Sigma training.
Skills & Expertise
Education
- Associate in Computer EngineeringCollege of Technological Science - Cebu · — — 2004
- High School DiplomaCompostela Gullas High School · — — 1998
- Elementary School DiplomaEstaca Elementary School · — — 1994