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SYSTEMS & NETWORK MANAGER

JOHN CRISTY

About

My Story

Since beginning my journey as in the IT industry more than 15 years ago I’ve had moved into several positions.  I started as an IT administrator, was promoted to MS SQL Coder and then developer.  I managed a large enterprise world wide network of more then 3,000 users but have also designed and developed networks as small as a hundred users.  The last several years I have been spending more time on building apps for the web and devices.

“Fortune favors the bold.”

– virgil

Experience

My Resume

network projects

sql projects

Development projects

management jobs

Featured SKILLS

virtualization & storage

10 YEARS EXPERIENCE

VMware vSphere 5x, 6x, 7x, ESXi Clusters, vCenter Server, vMotion, DRS and VMware Workstation. Dell Equalogic, vSAN and Synology, Drobo NASs. RAID 6, 10.

networking

15 YEARS EXPERIENCE

MS Servers, 2008, 2012, 2016, 2019 AD services, Group Policy, and all aspects of maintenance and administration. Dell and HP Servers, Fiber, DAC RTP and CAT 5, 6, 7 cabling. NEC Digital phones, Xerox, HP and various other copiers and printers. MS Windows, macOS and Linux.

management

8 YEARS EXPERIENCE

Managed 2 to 6 person teams including Desktop Support Technicians, administrators Software Developer and Field Technicians.  Responsible for running all aspects of medium to large IT Departments and LAN/WAN networks and SQL databases. Tools used included Agile, Jira, Kanban, Scrum, MS Visio and MS Teams.

SQL, Scripting, Virus & Backups

2  TO 3 YEARS EXPERIENCE

MS SQL, MySQL, GitHub, PowerShell, WordPress, HTML5, and Python. Veeam and Veritas Backup Exec. MCafee Antivirus, Norton Antivirus and Malwarebytes.

SQL, Scripting, Virus & Backups

2018

MS SQL, MySQL, GitHub, PowerShell, WordPress, HTML5, and Python. Veeam and Veritas Backup Exec. MCafee Antivirus, Norton Antivirus and Malwarebytes.

security

2018

Firewalls included, Palo Alto, Fortigate, SonicWALL, and Cisco ASA. Remote access VPNs and MS RDS servers; L2, L3 Cisco and HP routers, switches.

Monitoring & Desktops

2018

 Network tools Wireshark, PRTG. Hardware. Protocols SNMP, OSPF, BGP, VLAN and VPNs. Second and third level desktop support on 365 products, MS Exchange, and Outlook email system. Supported ERP and WMS systems.

wireless & remote

2018

Remote site connectivity and large wireless meshed areas using primarily Meraki access points, load balancers and Mobil Devices.

Education

cal state fullerton

Bachelor of Arts degree in Communications

certifications

  • Cisco CNA, CCNP
  • Microsoft MCSE, MCDBA
  • Novel CNA, CNE.

Work

My Recent Work

SYSTEMS & NETWORKING

Enterprise & Small Business

DEVELOPMENT

Python, MS SQL, MySQL

MANAGEMENT

Planing, Leadership, Teams

Technology

Hardware & Software Integration

Work

projects

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Blog

My Blog

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Technology

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Contact Me

Get In Touch

Contact me and get a response within 24 hours.

orange county CA

john cristy