John Kehrer

Information Security Consultant at The Brixton Group, Inc.
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Contact Information
Location
San Antonio, Texas, United States, US

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Experience

    • United States
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • Information Security Consultant
      • Aug 2013 - Present

      *Served as information security operations specialist on behalf of clients Accenture and the State of Ohio *Utilizes Symantec Data Loss Prevention security tools to monitor network and database activity for data leakage; including PII, HIPAA and US SSC violations *Ensures all systems are protected with the latest Symantec Antivirus definitions and host-intrusion Prevention and Detection policies *Collaborated with analysts to review Arcsight active channels and reports to investigate security events *Routinely scan all systems for vulnerabilities via QualysGuard scanning appliances and provide remediation reporting Show less

    • India
    • Industrial Machinery Manufacturing
    • 1 - 100 Employee
    • HBSS / SQL Administrator
      • Oct 2011 - Present

      *Responsible for managing and administrating HBSS ePolicy Orchestrator servers for theater operations in Afghanistan *Ensures FRAGO 13 compliance by deploying required HBSS software modules to all clients *Performs and monitors backups on the ePO SQL databases as well as regular maintenance tasks; troubleshoots and resolves issues with SQL servers as needed *Optimized performance by implementing custom maintenance tasks designed for ePO database *Supports end users by resolving issues with endpoint products on clients and troubleshoots conflicts as they are reported. Show less

    • IT Services and IT Consulting
    • 700 & Above Employee
    • HBSS / SQL Administrator
      • Oct 2010 - Aug 2011

      *Responsible for managing and administrating Tier 1 HBSS servers for the United States Air Force *Experienced with Microsoft Windows server 2003 utilizing Microsoft SQL Server 2005 with Management Studio to administrate ePolicy Orchestrator 4.0.0 and it’s SQL database *Execute and monitor the progress of software deployments, upgrades, and installation of McAfee Agent, HIPS, DLP/DCM and other HBSS security modules to host computers *Reports detected rogue systems and subnets via McAfee Rogue System Detection software *Supports HBSS Analysts providing host-event analysis to the Air Force Computer Emergency Response Team Show less

    • United States
    • Defense and Space Manufacturing
    • 300 - 400 Employee
    • Systems Administrator
      • Apr 2010 - Oct 2010

      *Monitor enterprise application servers, security devices including IDS/IPS and ePolicy Orchestrator (HBSS), and ensure continued operation of all Arcsight ESM servers for several Air Force gateways worldwide *Examine equipment at regular intervals in order to identify malfunctions or need for repair and adjustment *Provide technical services including troubleshooting workstation issues, user management, and ensure the availability of server resources and applications to AFCERT analysts, mission directors, and crew commanders *Apply mandatory updates and patches to all servers as well as configure the latest signature sets for IDS / IPS security devices *Monitor Oracle database performance, back-up logs, and storage space availability Show less

    • Information Technology & Services
    • 700 & Above Employee
    • NETWORK ADMINISTRATOR
      • Apr 2009 - Feb 2010

      *Responsible for the operation and maintenance for three separate enterprise networks in support of Operation Enduring Freedom at Camp Lemonier – Djibouti, Africa. *Monitored network stability and bandwidth utilization, making router configuration changes where necessary to optimize performance for incoming and outgoing traffic *Responsibilities included configuring, managing and troubleshooting Cisco 3800 series routers , Catalyst 6500, 4500, 3750, and 2950 switches, as well as daily configuration back-up procedures with Solarwinds Orion configuration manager *Performed various Information Assurance functions by creating and adjusting policy rules on Sidewinder firewalls, implementing Access Control Lists on Autonomous System Boundary Routers, Upgraded IOS images on Cisco equipment to comply with Defense Information Systems Agency security requirements *Restored redundant failover capability between supervisor engines residing in a 6500 Catalyst switch by physically replacing a failed module, followed by testing to ensure restoration *Oversaw performance and reliability of GRE Tunnels configured between local network devices and between local and distant end devices Show less

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