Harmony Buenavista
IT Infrastructure and Cloud @Truist
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WORK HISTORY
IT Infrastructure and Cloud @Truist
San Diego, CA, US
Description:Technical Lead for 11-member infrastructure and cloud team, providing architectural direction, mentorship, and participating in technical hiring interviews. Driving enterprise security transformation and cloud modernization initiatives.Key Achievements:• Achieved system uptime across enterprise infrastructure supporting critical financial services operations• Reduced security vulnerabilities by to 7,400) through comprehensive Active Directory hardening and CIS benchmark implementation• Led LightStream-to-Truist corporate network integration, implementing secure connectivity and retiring redundant hardware for cost savingsTechnical Leadership:• Lead CVE remediation efforts including Palo Alto PAN-OS upgrades (10.2.x to 11.2.x) across production and non-production environments• Spearhead Active Directory security hardening: LDAP signing, channel binding, TLS encryption, Spectre/Meltdown mitigations• Collaborate with penetration testing teams to remediate findings and strengthen enterprise security posture• Coordinate with LightStream DevOps, Corporate Firewall Security, and Networking teamsInfrastructure & Cloud:• Administer Palo Alto Networks firewalls via Panorama for enterprise perimeter security• Manage AWS infrastructure including EC2, Gateway Load Balancers (GWLB), VPCs, and multi-AZ deployments• Develop PowerShell automation scripts for EC2 instance provisioning and AWS resource deployment• Oversee VMware vSphere ESXi 7 environments on Cisco UCS Flexpod hardware• Manage F5 BIG-IP devices (LTM, ASM, GTM) for application delivery and web application security• Administer NetApp storage environment running Clustered Data ONTAP• Manage Citrix XenApp/XenDesktop environments and lead VDI security hardening projects• Develop Splunk dashboards for infrastructure monitoring and security event correlation
EDUCATION
Kaplan College
Associate of Science - AS, Network Engineering Technology
Samuel F.B. Morse High School
Diploma, General Studies
SKILLS
ABOUT HARMONY BUENAVISTA
As an IT Infrastructure and Cloud Engineer at Truist, I manage and maintain various IT systems and tools to ensure smooth network operations and protect company data. I have over 4 years of experience in this role, where I implement security measures, streamline IT infrastructure processes, and troubleshoot support tickets.I have a strong background in network engineering technology, having earned an Associate of Science degree from Kaplan College. I also have experience in distributed systems and information systems departments, where I administered and maintained enterprise F5 LTM, GTM, ASM implementation for Sharp HealthCare organization, and handled application management for InfoBlox and CommVault environments. My skills include disaster recovery, virtualization, and integration.
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