David Urbina Email & Phone Number

San Diego, Ca, Us

San Diego, California, United States

Administered and maintained RHEL 7 & 8 servers ensuring optimal performances, security, and reliability.• Performed system upgrades, patches, and package installations using YUM & DNF package managers.• Implemented and managed security measures such as SE Linux, firewalld, and iptables to ensure system integrityand compliance with security standards.• Implemented STIGS for RHEL systems to ensure compliance with security standards.• Troubleshooted system issues while analyzing logs and configuring for flexible storage management.• Collaborated with cross-functional teams for the transition to CANES ACS.• Configured and managed Azure virtual machines, ensuring optimal performance and scalability.• Led efforts to achieve and maintain ATO for cloud environments by implementing and enforcing STIGS acrossAzure resources.

San Diego, California, United States

• Responsible for integration of numerous shipboard IT systems within ship’s Consolidated Afloat Networks and Enterprise Service (CANES)• Documented repeatable processes and procedures for the following integration points, Active Directory, MS Exchange, VMWare, AWS, MS Systems Center solutions, System Incident and Events Management, IIS, Cisco Integrated Services Engine, and Group Policy Management.• Automated integration processes using PowerShell with Git/BitBucket for script and configuration data management

San Diego, California, United States

•Analyzed detailed system factors to increase process efficiency including input and output requirements, information flow, and reliability characteristics impacting the server performance for over 25,000 end users.• Provided network support, installation and troubleshooting for the Network Integration and Engineering Facility (NIEF)• Completed network system configurations using CLI, Putty, Linux 5 Red hat, PowerShell and vSphere to meet strict customer deadlines• Installed, configured, and maintained CANES (Consolidated Afloat Networks and Enterprise Services) systems to meet the needs of end users aboard naval ships.• Configured policy auditor to conduct vulnerability audits across all virtual machines. Troubleshoot network connectivity tracing fiber cables, verifying appropriate VLAN configurations using SSH/PuTTy on switches.• Installation of VM (Virtual Machines) on a HPE ProLiant DL380 G9/G10 Servers, maintain, upgrade, and implement improvements to the VMWare ESXi infrastructure/ ISCSI (Internet Small Computer Systems Interface) VSan storage

Coronado, California, United States

• Communicated with channel partners to ensure all necessary order paperwork was submitted and sales process was correctly followed.• Interpreted requests per program requirements and created work order requests to move supplies.• Entered, tracked and audited replacement shipment requests web based proprietary software•Maintained high level of confidentiality for all proprietary information.