Jefferson Castillo Email
Chief Executive Officer and President
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Jefferson Castillo Location
- United States
Jefferson Castillo Work
- Chief Executive Officer and President @ Jefferson Technology Enterprises, Inc. (March 2008 - Present)
- Systems Infrastructure Architect and CAD Systems and Mapping @ RemotTopo (ConEd / National Grid / other utilities providers) (May 2025 - September 2025)
- Information Technology System Architect @ PwC / Lennar (July 2024 - December 2024)
- Information Technology Infrastructure Architect @ (May 2024 - September 2024)
- Public Safety Services (PSAC) - Linux and Window Engineer and Architect @ (May 2023 - March 2024)
- Cloud Services - Cloud Systems - Linux Engineer and Architect @ (April 2022 - May 2023)
- Infrastructure Architect @ OTI / DOITT (May 2023 - February 2024)
- Cloud Platform Engineer and Architect @ OTI / DOITT (April 2022 - May 2023)
- Linux, Virtual and Cloud Systems Engineer and Architect @ (October 2021 - March 2022)
- Linux, Virtual and Cloud Systems Engineer and Architect @ (December 2020 - August 2021)
- Linux, Virtual and Cloud Systems Engineer and Architect @ (December 2019 - September 2020)
- Information Technology System Analyst @ (May 2019 - September 2019)
- Windows and Linux Engineer, Microsoft Azure Cloud Architect @ (June 2017 - May 2019)
- Windows and Linux, Microsoft Azure Cloud Architect @ National Grid Energy Services (March 2017 - June 2017)
- Systems integration and Linux and Virtualization Engineer @ NYC Human Resources Administration (October 2015 - January 2017)
- Linux, Virtual and Cloud Systems Engineer @ (February 2015 - October 2015)
- Linux, Virtual and Cloud Systems Security Engineer @ Novus Partners, Inc. (May 2015 - July 2015)
- Linux, Virtual and Cloud Systems Security Engineer @ (November 2014 - February 2015)
- Linux, Virtual and Cloud Systems Engineer @ (September 2014 - November 2014)
- Linux Systems Engineer and Admin @ (May 2014 - October 2014)
- Linux Systems (RackSpace Cloud) Administrator @ (January 2014 - April 2014)
- RedHat Linux Systems Engineer and Datacenter Technical Support @ (July 2013 - November 2013)
- Information Technology Consultant and Infrastructure Architect @ (September 2025 - August 2026)
- Linux Systems Administrator and Engineer @ (August 2012 - June 2013)
- Linux Systems Engineer @ Hewlett-Packard - Quest Diagnostics (August 2011 - January 2012)
- Linux Systems Adminstrator @ (August 2011 - October 2011)
- Linux Systems Engineer @ (January 2011 - August 2011)
- Linux Systems Engineer and Administrator @ (June 2009 - July 2010)
- Linux Systems Engineering Services @ (July 2008 - March 2009)
- Linux Systems Engineer @ (January 2008 - July 2008)
- Unix Linux Systems Engineer @ (July 2007 - January 2008)
- RedHat Linux Systems Engineer @ (January 2007 - March 2007)
- Unix and Linux Administrator @ (November 2005 - October 2006)
- WebMethods Integrations Engineer - Unix @ (May 2005 - November 2005)
- Computer and Systems Technical Support @ Lincoln Hospital - Bronx (December 2004 - January 2005)
Jefferson Castillo Education
- Bemidji State University
Computer Science (Computer Science)
2003-2005
Jefferson Castillo Skills
- API functions
- AWS
- AWS CloudFormation
- Active Directory
- Amazon Web Services (AWS)
- Ansible
- Azure
- Azure DevOps Services
- Azure Functions
- Blade Servers
- BladeCenter
- CUPS
- Citigroup
- Cloud Applications
- Cloud Computing
- Cloud Security
- Computer Forensics
- DNS Administration
- DNS Management
- Data Center
- Data Centers
- Disaster Recovery
- DoD
- DoDAF
- Domain Controller
- Domain Name System (DNS)
- Domain Names
- F5 BigIP
- GitHub
- Google Cloud Platform (GCP)
- HP
- HP Proliant
- Hardening
- Hardware
- High Availability
- IASS
- IBM
- IT Hardware Support
- IT Infrastructure Management
- Information Technology
- Infrastructure
- Infrastructure as a Service (IaaS)
- Integration
- Jenkins
- LVM
- Linux
- Linux Kernel
- Linux Security
- Linux System Administration
- Linux server administration
- Lockheed Martin
- MFA
- Microsoft Azure
- Microsoft Server Platforms
- Microsoft Server Technologies
- Microsoft Servers
- Microsoft Virtual Server
- Network Security
- Networking
- OS Virtualization
- OVM
- Operating Systems
- PAAS
- Performance Tuning
- Platform as a Service (PAAS)
- Powershell
- Proxmox
- Proxy Server
- RHEL
- Red Hat Linux
- RedHat
- Remote Infrastructure Management
- SAN
- Sears
- Security
- Server Administration
- Servers
- Solaris
- Suse
- System Administration
- System X
- Technical Support
- Tenable Nessus
- Threat & Vulnerability Management
- UPN
- USAF
- Unix
- VMware
- VMware ESX
- VMware Infrastructure
- VMware Server
- VMware vCenter
- VMware vSphere
- Virtual Machines
- Virtualization
- Vulnerability Scanning
- Windows Remote Desktop
- Windows Server
- Zero day
- vm management
- Troubleshooting
- Enterprise
- Installation
- Applications
- Systems
- Linux Server
- Java
- Marketing
- Linux System
Jefferson Castillo Summary
- Jefferson Castillo, based in United States, is currently a Chief Executive Officer and President at Jefferson Technology Enterprises, Inc.. Jefferson Castillo brings experience from previous roles at RemotTopo (ConEd / National Grid / other utilities providers), PwC / Lennar, CDK Global and New York City Office of Technology & Innovation. Jefferson Castillo holds a 2003 - 2005 Computer Science in Computer Science @ Bemidji State University. With a robust skill set that includes API functions, AWS, AWS CloudFormation, Active Directory, Amazon Web Services (AWS) and more. Jefferson Castillo has 1 emails on RocketReach.
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