JOHN KRUSSANIOTAKIS
Hialeah
Summary
Results-driven IT Manager with over 6 years of experience leading infrastructure development, systems administration, and operational support within educational environments. Proven track record in designing and maintaining secure, scalable, and efficient networks that enhance organizational performance. Expertise in building and managing complex IT projects while implementing innovative solutions to significantly improve user experience. Committed to leveraging technology to drive operational excellence.
Overview
19
19
years of professional experience
1
1
Certification
Work History
Director of Technology Infrastructure & Operations
Miami Country Day School
04.2020 - Current
- Lead IT infrastructure strategy and operations for a K-12 independent school.
- Supervise technical staff including hiring, mentoring, and training.
- Develop and enforce IT policies and cybersecurity protocols.
- Oversee servers, network, firewall, SAN, backup systems, and helpdesk operations.
- Coordinate with vendors to negotiate contracts and manage third-party services.
- Administer Active Directory, Entra ID, Microsoft 365, and Google Workspace.
- Manage various Verkada Systems such as: Surveillance Cameras, Access Control, Panic Button Alarms, Vape Sensors, etc...
Systems Technician
Technology Innovators / Miami Country Day School
01.2012 - 04.2020
- Installed, configured, and maintained IT hardware and software across campus.
- Provided hands-on support to staff and faculty with varying technical skill levels.
- Managed user accounts, access control, and device configuration.
- Troubleshot OS, networking, and hardware issues (Windows, macOS).
- Configured routers, firewalls, switches, printers, phones, and AV equipment.
Systems Technician
Conquest 247 / Miami Country Day School
11.2009 - 01.2012
- Installed, configured, and maintained IT hardware and software across campus.
- Provided hands-on support to staff and faculty with varying technical skill levels.
- Managed user accounts, access control, and device configuration.
- Troubleshoot OS, networking, and hardware issues (Windows, macOS).
- Configured printers, phones, and AV equipment.
- Managed and maintained Backup Systems for various customers outside of Miami Country Day School.
Systems Technician
F.R. Aleman & Associates, Inc.
01.2007 - 11.2009
- Setup employee Workstations (Windows XP).
- Troubleshoot computer/network issues.
- In charge of ordering and replacing toner for plotter Printers.
- In charge of Installing various software such as MS Office/Outlook and CAD for Civil Engineers.
Education
Associate of Science - Computer Networking Systems
ITT Technical Institute
Miami, FL06.2006
Skills
- Network architecture (Cisco / Fortinet)
- Virtualization technologies (Hyper-V)
- IT service management
- Information security
- Disaster recovery
- IT operations management
- IT security policies
- Network administration (Cisco / Fortinet)
- Technical support management
- Windows servers
- Verkada (Security Hardware: Cameras, Access Control, Alarms)
- Wireless Network Administration (Ruckus)
Accomplishments
Recently completed a year-long program and earned a certificate from the ATLIS Leadership Institute.
Certification
- Cisco Certified Network Associate (CCNA) (expired)
- CompTIA Network+ (expired)
- CompTIA A+
Languages
English
Native or Bilingual
Spanish
Professional Working
Timeline
Director of Technology Infrastructure & Operations
Miami Country Day School
04.2020 - Current
Systems Technician
Technology Innovators / Miami Country Day School
01.2012 - 04.2020
Systems Technician
Conquest 247 / Miami Country Day School
11.2009 - 01.2012
Systems Technician
F.R. Aleman & Associates, Inc.
01.2007 - 11.2009
Associate of Science - Computer Networking Systems
ITT Technical Institute
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