Corey Pellizzari
Winter Springs,FL
Summary
Experienced Cloud Computing Architect skilled in identity and access management, cloud infrastructure, and platform operations within mission-critical environments. Expertise in Keycloak IAM engineering and Kubernetes platforms. Managed production systems, overseeing architecture, patching, vulnerability remediation, and incident triage. Holds active Top-Secret clearance.
Overview
5
5
years of professional experience
1
1
Certification
Work History
Cloud Computing Architect
BOOZ ALLEN HAMILTON
Winter Springs, FL
07.2022 - Current
- Serve as primary Cloud Engineer for a mission-critical GIS platform supporting ArcGIS Enterprise workloads.
- Engineer, operate, and maintain a full-stack enterprise infrastructure, including: Splunk for centralized logging and observability, Postfix for system email services, Keycloak for IAM, AWS Managed Active Directory, F5 BIG-IP appliances, Windows Server–based ArcGIS Enterprise application stacks.
- Developed and administered Keycloak for DEV / TEST / PROD environments, providing centralized authentication and authorization services to a broad portfolio of civil works applications.
- Own the full lifecycle management of Keycloak platforms, including upgrades, patching, configuration hardening, and maintaining environment parity across stages.
- Design and develop custom Keycloak authenticators to support complex and non-standard IdP integrations and authentication flows.
- Configure and maintain realms, clients, roles, scopes, protocol mappers, and authentication flows, ensuring secure and scalable application onboarding.
- Served as technical advisor and escalation point for application teams integrating with IAM services, facilitating authentication code support and troubleshooting identity-related issues.
- Ensured reliability and security of IAM services for production applications, achieving minimal downtime.
- Perform platform triage and root-cause analysis of application and infrastructure issues, coordinating resolution efforts with developers, security teams, and stakeholders.
- Execute patching and vulnerability remediation using ACAS, working in coordination with a CSSP to resolve findings across operating systems, applications, and infrastructure.
- Identified risks and implemented corrective actions, reducing incidents and user impact.
- Designed and deployed highly available Amazon EKS clusters supporting developer-hosted applications.
- Implemented Rancher to provide centralized Kubernetes management and improve developer autonomy.
- Deployed and configured Ingress controllers to optimize traffic routing and application performance.
- Introduced ArgoCD to enable GitOps-driven deployments, improving deployment consistency and collaboration across teams.
- Maintained active Top Secret security clearance, enabling access to classified information essential for mission success.
Linux System Administrator
COLE ENGINEERING SERVICES, INC.
Orlando, FL
02.2021 - 07.2022
- Designed and implemented an automated RHEL patching playbook, reducing patch cycles from two days to one and improving compliance and consistency.
- Supported developer environments by resolving complex system issues and delivering technical support, enabling timely progress on mission-critical development work.
- Troubleshot complex containerized applications in OpenShift, quickly identifying and resolving critical issues to minimize downtime.
- Developed a PowerShell automation to apply ESXi configuration changes across 256 hosts, saving an estimated 3+ hours of manual effort per host.
- Automated provisioning of test accounts using Bash scripting, accelerating testing workflows.
- Performed hardware maintenance on Dell PowerEdge FC640 and M640 blade servers to maintain reliability of physical infrastructure.
- Performed automotive maintenance and repair services while maintaining high customer satisfaction.
- Communicated inspection results clearly and ensured accurate documentation and billing.
Education
Bachelor of Science - Information Systems Technology
Seminole State College of Florida
01.2019
Associate of Arts - General Education
Seminole State College of Florida
01.2016
Skills
- Keycloak administration
- OAuth2
- OIDC
- IdP integrations
- Access control
- Token claims
- Protocol mappers
- AWS (EKS, ECS)
- AWS Managed Active Directory
- Kubernetes
- OpenShift
- Rancher
- Docker
- Containerized workloads
- Endpoint Security
- Splunk
- Linux
- RHEL
- PowerShell automation
- VSphere
Certification
- CompTIA Security+ CE
- VMware vSphere 6.7 Foundations
Technical Skills
Keycloak (Administration & Custom Authenticators), OAuth2 / OIDC, IdP integrations, ACAS vulnerability management, Endpoint Security (Army ESS), AWS Managed Active Directory, Access control, token claims, protocol mappers, AWS (EKS, ECS), Kubernetes, Rancher, OpenShift, Docker, containerized workloads, F5 BIG-IP, Splunk, Postfix, RHEL / Linux, Windows Server, Bash scripting, PowerShell automation, VMware ESXi / vSphere
Timeline
Cloud Computing Architect
BOOZ ALLEN HAMILTON
07.2022 - Current
Linux System Administrator
COLE ENGINEERING SERVICES, INC.
02.2021 - 07.2022
Bachelor of Science - Information Systems Technology
Seminole State College of Florida
Associate of Arts - General Education
Seminole State College of Florida