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Tier Iii Support Resume

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Reston, VirginiA

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SUMMARY:

  • Twenty years in IT industry with strong focus on Linux and systems administration
  • History of delivering long - term IT projects on time and meeting or exceeding all requirements
  • Strong automation and documentation abilities that improve workflows and increase knowledge sharing across groups
  • Able to rapidly learn new topics in systems, networking, information security, web application support, storage, others

EXPERTISE AREA:

  • System Administration Mixed platforms Large and small environments
  • Compliance & documentation SIEM systems support Foundations in networking, security, and virtualization
  • Scripting and automation tools Tuning and load testing Network monitoring systems Server hardware
  • Migrations and testing Troubleshooting and root cause analysis Support for developers and DBAs

PROFICIENCIES:

Platforms: Linux / UNIX including RHEL (Red Hat) and Ubuntu; some Windows

Software: VMWare ESX / vSphere, KVM, Docker, Puppet, RPM packaging, nginx, Apache httpd / LAMP, Nagios, Xymon, Zenoss, Zabbix, Cacti, RRDTool, MySQL, PostgreSQL, BIND, dhcpd, Postfix, Dovecot, RSA NetWitness, Confidential Analytics, GNU toolchain and source compilation, Linux kernel customization

Hardware: Confidential, HP, IBM, other commodity x86

EXPERIENCE:

Confidential, Reston, Virginia

Tier III support

Responsibilities:

  • Developed remote diagnostics tool to report platform and application health for Security Analytics SIEM appliances
  • Created replacement for existing tool used to gather and retrieve customer appliance health and log data
  • Wrote significant customer-facing documentation for product installation, maintenance, troubleshooting
  • Extensive mentoring in Linux and x86 commodity hardware topics
  • Administrated large numbers of Linux servers and virtual environments in multiple locations
  • Performed security compliance auditing and correction in server, virtual, and network environments
  • Multiple major conversions from legacy UNIX environments to Linux on large-scale and single unit servers
  • PKI / X.509 authority implementation and maintenance
  • Wrote internal tools and documentation

Confidential, Reston, Virginia

System Administrator

Responsibilities:

  • Migrated substantial portion of component servers from Solaris 10 to Red Hat Enterprise Linux 6
  • Prepared transition of all component servers from IPv4 to IPv4/IPv6 single- and multi-homed configurations
  • Created and maintained packaging for customized F/OSS and proprietary software components

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