John Core Location
- Harrisburg, PA, US
John Core Work
- 2020 - now Senior Unix Engineer @ CTI Networks, Inc.
- 2016 - 2020 Senior Unix Administrator and Team Leader @
- 2015 - 2015 Splunk Administrator @
- 2014 - 2015 Infrastructure Services Consultant @
- 2013 - 2014 Systems Architect @
- 2012 - 2012 Senior Systems Engineer @
- 2009 - 2011 Senior Unix Administrator, , Implementation team @
- 2008 - 2009 Senior Unix Administrator, Security Analyst @
- 2008 - 2009 Senior Solaris and Linux Systems Administrator @
- 2006 - 2008 Lead Trainer, Trainer, Technical Support Engineer, Product Specialist @
- 2005 - 2006 Custodian of Records and Administrative Support @
- 1995 - 2004 Information Technology Architect @
- 1990 - 1995 Senior Systems Analyst @ Tressler Lutheran
- 1988 - 1989 LAN and WAN pre-sales @ R.V. Quinn Business Systems
- 1984 - 1988 Programmer, Project Manager @ TNC Inc
- 1978 - 1984 Pharmacy technician @
John Core Education
- Kutztown state college
Chemistry
1977 - 1982 - Central Dauphin Vo-Tech 1971 - 1974
John Core Skills
- Solaris
- Servers
- Disaster Recovery
- VMware
- Unix
- Operating Systems
- Linux
- Windows Server
- Data Center
- Troubleshooting
- Network Security
- Security
- Active Directory
- Cisco Technologies
- System Administration
- Firewalls
- Routers
- Virtualization
- Computer Security
- TCP/IP
- DNS
- ZFS
- Integration
- Information Security
- Storage Area Networks
- Solaris Volume Manager
- Linux System Administration
- VMware ESX
- IT Management
- UFS
- Jumpstart
- DoD
- Network Administration
- Requirements Analysis
- Information Assurance
- Security+
- LDOM
- Live Upgrade
- Sun StorEdge
- Multipathing
- SunRay
- Bash
- LAMP administration
- Checkpoint Security
- ITIL
- Sudo
- Nokia IPSO
- NGX
- Firewall-1
- Cisco Systems Products
- Tier Ii
- Red Hat Linux
- Hba
- Administration
- Firewall 1
John Core Summary
- John Core, based in Harrisburg, PA, US, is currently a Senior Unix Engineer at CTI Networks, Inc.. John Core brings experience from previous roles at Planet, Celerity, Medecision and AWI. John Core holds a 1977 - 1982 Chemistry @ Kutztown state college. With a robust skill set that includes Solaris, Servers, Disaster Recovery, VMware, Unix and more. John Core has 1 mobile phone numbers on RocketReach.
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