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Application Support Administrator Resume

5.00 Rating

Atlanta, GA

SUMMARY:

  • Information technology professional with experience in virtualization, systems and network administration, project management, and advanced troubleshooting
  • Broad range of technical experience including installation, maintenance, configuration, and problem analysis of Red Hat Enterprise Linux, Ubuntu Linux, Sun Solaris, Unix, Windows systems, network switches, firewalls and routers
  • Project management in data network infrastructure planning and server consolidation
  • Deep understanding of Unix and Network Administration ( Solaris 7, 8, 9 and 10 ; Fedora and RedHat Linux,; SCO Unix); Microsoft Windows (95, 98, ME, NT, 2000, and XP, 2003 server, Vista) operating environments; Unix shell scripting (Bourne, Korn, and Bash shells). Cisco network routers, switches, and firewalls.

TECHNICAL PROFILE:

Operating Systems: Red Hat Enterprise Linux 5.4 to 6.2; Centos Linux; Ubuntu Linux; Suse Linux; Sun (UNIX) Solaris 6, 7, 8, 9, 10; Microsoft Windows 95, 98, ME, 2000 Professional, NT 4.0, XP, 2003, Windows 7

Network Services: DNS (Bind and Tiny), Haproxy, Varnish, Nginx, Apache, Unicorn, Mongrel, NFS, LDAP, Samba, FTP

Virtualization: OpenStack; RHEVM (Redhat Virtualiation);VMware; KVM

Hardware: Several Sun Microsystems workstations and server products, Sun ILOM, RAID, Sun Storage, AMD micro, Penquin, Dell and Rackable systems

Scripts / Languages: bash as primary, debug and reverse engineering of perl, php, python, and others

PROFESSIONAL EXPERIENCE:

Confidential, Atlanta, GA

Application Support Administrator

Responsibilities:

  • Responsible for daily maintenance, troubleshooting, and diagnostics of several network monitoring applications and services.
  • Hands on systems an application administration
  • Develop subject matter expertise on the Hammer XMS application.
  • Design, implement, and support a monitoring framework for all Hammer XMS devices.
  • Routinely analyze and diagnose complex network monitoring applications and systems
  • Assist other teams with design and implementation of monitoring scripts for given parameters.
  • Provide multi team support for Guardian and Edge Health application issues
  • Review existing monitoring applications and scripts to provide improvements and bug fixes.
  • Resolve device monitoring escalated requests within and external to my Confidential team

Confidential, Atlanta, GA

LINUX SYSTEMS ADMINISTRATOR

Responsibilities:

  • Identify software components for several complex and diverse web properties.
  • Convert puppet configurations to accommodate move from AWS to private cloud for these properties.
  • Test and adapt complex web environment to private cloud.
  • Administer puppet updates and changes for virtual Linux systems
  • Implement new and converted Nagios configurations for appropriate monitoring.
  • Determine functional interaction of various scripts, in bash, pearl, php, and python, and adapt accordingly.
  • Debug and troubleshoot web service failures with Apache, Tomcat, Memcache, and others via log analysis and error research

Confidential, Atlanta, GA

SENIOR LINUX SYSTEMS ADMINISTRATOR

Responsibilities:

  • Deploy and maintain servers and their applications
  • Performance tuning of applications and systems
  • Perform patch management of Linux servers
  • Collaborate with systems engineers and network engineers to ensure optimal system and application performance
  • Perform hardware capacity reviews and provide suggestions based on current trends
  • Document and diagram all systems and inter - dependencies
  • Write scripts and procedures for day-to-day operations
  • Participate in the on-call rotation
  • Research and report open client issues
  • Escalate known bugs and issues to the development team
  • Provide tier 2 support of systems (Windows, Linux) and applications (Apache, Nginx, Varnish, and others.)
  • Conduct periodic technical training in house

Confidential, Atlanta, GA

LINUX SYSTEMS ENGINEER

Responsibilities:

  • Systems Administration: Install, upgrade, maintain, and diagnose, Solaris and Red Hat Linux OS and additional software tools in a 24/7 3000 plus server/node High Performance, Cloud Computing, Data Center.
  • Administration, support, and development of software and hardware tools providing
  • Develop and Maintain multiple bash scripts providing automated user creation, systems monitoring, and automation tasks in across 3000 plus compute nodes and servers running Solaris Unix and RedHat Enterprise Linux 4 and 5.
  • Monitor system and network activity, through Nagios, Ganglia, and custom written shell scripts, for indications of problems in an effort to identify and remedy system issues.
  • Collaborate with other internal and external team members to identify ideas and solutions for a variety of technical issues.
  • Develop and manage hardware break and fix processes to minimize downtime due to hardware related failures.
  • Interface with vendor hardware support personnel to insure hardware repairs are completed in a timely manner.

Confidential, Atlanta, GA

SENIOR IT SPECIALIST

Responsibilities:

  • nstall, maintain, backup, and restore Solaris 10 and Windows 2003 servers, Sun and PC workstations with Solaris 9 and 10, LAN and WAN networks for seven Confidential locations.
  • Provide level II and III support to local technicians, engineers, and customer technicians in diagnosis and correction of network, software, and hardware issues.
  • Plan and implement installations of Sun and PC hardware, software, and applications.
  • Develop, design, and install network infrastructure of all Confidential locations including, ISP, Cisco and Peplink firewall/routers, Cisco and Dell switches, power and HVAC capacity. Determine best practices in regards to technical policies and procedures.
  • Create site documentation and procedures regarding Network and Server installation and maintenance.
  • Researched, Designed, and implemented remote lab access for internal and external Confidential customer access utilizing SSH and VNC.
  • Sourced and installed ISCSI virtual tape library solution to replace existing SCSI tape solution.
  • Implementation of the ISCSI VTL allowed Confidential and its customers to have global access to a larger and more reliable VTL solution.
  • Instituted use of VMware imaging on 2003 workstations to support a variety of Confidential customer initiatives
  • Designed, installed, and configured three remote Sun cluster labs consisting of sixty sun midrange servers along with storage and network peripherals.

Confidential, Atlanta, GA

SENIOR TECHNOLOGY SPECIALIST

Responsibilities:

  • Manage public and private networks consisting of seventy five Sun Workstations, Sun Servers, Desktop Personal Computers, and Laptop Personal Computers.
  • Maintain, Install, and Configure Solaris (7, 8, 9, and 10).
  • Upgrade, Install, and Maintain workstations and servers.
  • Routine tasks include patch installation, performance monitoring and tuning, network configuration and analysis, jumpstart, backup and recovery, RAID management, logical and virtual volume maintenance, security, Cisco Pix firewall.
  • Configuration of network services (NFS, DNS, Apache, SSH, Trusted Host Access, NIS, Samba, NTP, SSL, DHCP, Sendmail, Qpopper, Postfix).
  • Created, installed, and maintained several shell scripts to automate jumpstart, routine backups, remote server and service monitoring, lab server temperature monitoring, class room and lab configuration (Sh, Ksh,, Bash, Awk, Sed, Perl).
  • Update and maintain hardware and software inventories.
  • Assist facility personnel with technical issues and questions.
  • Continually assist technicians and customers with system installation and configuration issues.
  • Diagnose and order new hardware and replace faulty equipment components.
  • Determine best practices in regards to technical policies and procedures.
  • Coordinate movement of site equipment and personnel to new locations.
  • Plan for increases in capacity based upon internal and external metrics.
  • Design, plan, and install system upgrades, storage solutions, network, electrical and HVAC capacities.
  • Implement, document, and maintain backup and system procedures.
  • Specify electrical, network, and cooling requirements for new facilities.
  • Conduct site moves without service interruption to customers or requiring employee overtime.

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