• Acted as a Senior Linux Engineer, responsible for RedHat server builds in Nutanix and ESXi environments.
• Performed monthly patching and updates for all Linux servers, ensuring optimal performance.
• Analyzed Rapid7 reports, identified vulnerabilities, and implemented OS-level fixes to maintain a secure Linux environment.
• Automated processes to streamline vulnerability resolution, enhancing security efficiency.
• Took on the role of Security Administrator, ensuring Linux systems remained compliant and vulnerability-free.

• Supported over 700 nuclear servers for Constellation Energy, adhering to PART 810 U.S. government regulations.
• Successfully led the NAS Migration Project (Oct 2022 – Aug 2023), achieving 100% completion and earning customer recognition in Barueri/SP.
• Administered high-availability systems on Solaris 11 and Red Hat 7/8, ensuring critical uptime.
• Managed LVM in NAS environments and administered user access via Active Directory.
• Oversaw VMWare environments, including VM creation, datastore management, and hardware configuration.
• Configured and managed Pacemaker Clusters and Nagios monitoring services.
• Handled critical escalations and change management processes, ensuring minimal disruption during maintenance.
• Performed multipath administration on Linux servers to optimize storage performance.

• Supported high-availability systems running on AIX and Red Hat 8.
• Administered Ansible, managing inventories, playbooks (YAML & Shell Script), GitHub projects, and troubleshooting logs.
• Conducted advanced AIX virtualization (VIOS, HACMP, LPAR, OS tuning, LVM).
• Achieved 100% success in data center migration of 400 AIX and Red Hat servers from Lexington to Raleigh.
• Participated in Disaster Recovery (DR) activities, ensuring critical systems met recovery objectives.
• Managed Volume Groups (VGs), Logical Volumes (LVs), and optimized LUN usage across projects.
• Supported Nutanix Prism Central for network and storage management.
• Provided 24/7 on-call support for critical escalations.

UNIX/Linux System Administrator for Projects (HO)

• Delivered critical projects at Whirlpool headquarters in Benton Harbor, Michigan (two successful missions).
• Built AIX and Linux servers in VMWare ESXi environments, ensuring compliance with security requirements.
• Supported high-availability systems on AIX, SLES, and Red Hat.
• Performed LVM administration, including VG and LUN optimization.
• Managed VMWare ESXi environments (VMotion, Datastores, VM configuration).
• Led backup and restore operations using Storix, ensuring data integrity.
• Assisted cross-functional teams in projects, providing OS-level support and troubleshooting.

UNIX/Linux System Administrator for Steady State

• Provided 24/7 on-call support and deep troubleshooting for critical UNIX/Linux server issues (AIX, HP-UX, Solaris, Linux).
• Executed change management tasks, including planning, testing, and deployment within strict SLA timelines.
• Conducted advanced performance tuning and issue resolution (CPU optimization, filesystem management).
• Managed hardware replacements for AIX frames and user administration activities.
• Interviewed and evaluated new candidates for UNIX/Linux system administration roles.

• Provided support for Linux Debian servers, including LVM administration, configuration, and installation.
• Developed Shell Scripts to automate routine tasks, improving operational efficiency.
• Delivered technical support for Windows OS, network infrastructure, printers, and PC hardware.
• Designed and implemented new network infrastructures, optimizing IT operations for municipal services.
• Installed and maintained cabling structures for new IT setups.