Jefferson Castillo Email
Chief Executive Officer and President
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Jefferson Castillo Location
- East Northport, NY, US
Jefferson Castillo Work
- 2008 -now Chief Executive Officer and President @ Jefferson Technology Enterprises, Inc.
- 2025 -2026 Information Technology Consultant and Infrastructure Architect @
- 2025 -2025 Systems Infrastructure Architect and CAD Systems and Mapping @ RemotTopo (ConEd / National Grid / other utilities providers)
- 2024 -2024 Information Technology System Architect @ PwC / Lennar
- 2024 -2024 Information Technology Infrastructure Architect @
- 2023 -2024 Public Safety Services (PSAC) - Linux and Window Engineer and Architect @
- 2022 -2023 Cloud Services - Cloud Systems - Linux Engineer and Architect @
- 2023 -2024 Infrastructure Architect @ OTI / DOITT
- 2022 -2023 Cloud Platform Engineer and Architect @ OTI / DOITT
- 2021 -2022 Linux, Virtual and Cloud Systems Engineer and Architect @
- 2020 -2021 Linux, Virtual and Cloud Systems Engineer and Architect @
- 2019 -2020 Linux, Virtual and Cloud Systems Engineer and Architect @
- 2019 -2019 Information Technology System Analyst @
- 2017 -2019 Windows and Linux Engineer, Microsoft Azure Cloud Architect @
- 2017 -2017 Windows and Linux, Microsoft Azure Cloud Architect @ National Grid Energy Services
- 2015 -2017 Systems integration and Linux and Virtualization Engineer @ NYC Human Resources Administration
- 2015 -2015 Linux, Virtual and Cloud Systems Engineer @
- 2015 -2015 Linux, Virtual and Cloud Systems Security Engineer @ Novus Partners, Inc.
- 2014 -2015 Linux, Virtual and Cloud Systems Security Engineer @
- 2014 -2014 Linux, Virtual and Cloud Systems Engineer @
- 2014 -2014 Linux Systems Engineer and Admin @
- 2014 -2014 Linux Systems (RackSpace Cloud) Administrator @
- 2013 -2013 RedHat Linux Systems Engineer and Datacenter Technical Support @ Gawker Media
- 2012 -2013 Linux Systems Administrator and Engineer @
- 2011 -2012 Linux Systems Engineer @ Hewlett-Packard - Quest Diagnostics
- 2011 -2011 Linux Systems Adminstrator @
- 2011 -2011 Linux Systems Engineer @
- 2009 -2010 Linux Systems Engineer and Administrator @
- 2008 -2009 Linux Systems Engineering Services @
- 2008 -2008 Linux Systems Engineer @
- 2007 -2008 Unix Linux Systems Engineer @
- 2007 -2007 RedHat Linux Systems Engineer @
- 2005 -2006 Unix and Linux Administrator @
- 2005 -2005 WebMethods Integrations Engineer - Unix @
- 2004 -2005 Computer and Systems Technical Support @ Lincoln Hospital - Bronx
Jefferson Castillo Education
- Bemidji State University
Computer Science (Computer Science)
2003-2005
Jefferson Castillo Skills
- Virtualization
- High Availability
- VMware
- Cloud Computing
- Hardening
- Troubleshooting
- Enterprise
- VMware ESX
- Computer Forensics
- Integration
- Installation
- IBM
- Applications
- Linux Kernel
- Systems
- System Administration
- Red Hat Linux
- LVM
- Linux Server
- Java
- Citigroup
- HP Proliant
- Usaf
- Linux System Administration
- Windows Server
- Performance Tuning
- Security
- Marketing
- Disaster Recovery
- DoDAF
- RHEL
- Infrastructure
- Linux server administration
- Data Center
- Linux Security
- Networking
- Sears
- Operating Systems
- Lockheed Martin
- Technical Support
- Suse
- Cloud Security
- Solaris
- Cloud Applications
- VMware Infrastructure
- RedHat
- Servers
- Hardware
- VMware Server
- DoD
- System X
- Blade Servers
- Unix
- Linux System
- Linux
- BladeCenter
- SAN
- Information Technology
Jefferson Castillo Summary
- Jefferson Castillo, based in East Northport, NY, US, is currently a Chief Executive Officer and President at Jefferson Technology Enterprises, Inc.. Jefferson Castillo brings experience from previous roles at Confidential, RemotTopo (ConEd / National Grid / other utilities providers), PwC / Lennar and CDK Global. Jefferson Castillo holds a 2003 - 2005 Computer Science in Computer Science @ Bemidji State University. With a robust skill set that includes Virtualization, High Availability, VMware, Cloud Computing, Hardening and more. Jefferson Castillo has 1 emails on RocketReach.
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