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System Engineer Resume Profile

Summary:

  • Certified UNIX Administrator with over 14 years of systems administration experience.
  • System Administration in Enterprise wide RedHat and Solaris UNIX systems.
  • Working knowledge in IRIX, HP-UX, X10, AIX, and Microsoft Windows.
  • Configured and managed virtual disk Volume management software.
  • Created and manipulated shell scripts as needed to automate commands for UNIX systems.
  • Configured and tuned Solaris and RedHat kernels.
  • Have worked with the vendor EMC, to upgrade the IRIX OS, to Redhat Enterprise 5.5,
  • Created and manipulated shell scripts as needed to automate commands for UNIX systems.
  • Extensive us of Veritas Volume Manager, and Redhat Linux LVM.
  • Used multiple vendor backup software including NetVault, Networker and Amanda.
  • Initiated RedHat Security and monitoring in a wide area network setting.
  • Possesses strong analytical and troubleshooting skills.
  • Worked extensively with Team Leads assisting customers, and Developers.

Technical Skills:

  • Operating Systems: RedHat Linux, Solaris, IRIX, HP-UX, OSX, Windows Server, 95/98/NT/2k/XP/Vista, SunOS, AIX, VmWare, Virtualization, WAN/LAN administration.
  • Tape Libraries/Storage Devices/Arrays include StorageTek, Overland, Sun JBOD, NetApp Filers, Dell Powervault, EMC, HP.

Professional Experience:

Confidential

Unix/Linux Project/System based Installer/Detector/Analyzer/Configuration

Responsibilities:

  • Work a Ticketing system that is used for a wide spread of responsibilities.
  • I can be called on different duties, as defined in my experience below.
  • I mainly fix systems, patch them, setup, diagnose and resolve any issues within the
  • expected time in which I am given.
  • I get calls from NASA, LAFB, and different Contracts.
  • I also assist in Sub Contracts with companies that need assistance with Linux System
  • configuration and Managing them.

Confidential

UNIX Administrator

Responsibilities:

  • Performed UNIX system and network administration on large scale and mission critical servers
  • Troubleshoot network issues to include DHCP, Static addressing, VPN clients, and domain connection.
  • Used RedHat kickstart for qualified system setups.
  • Maintained administration in a 24x7 on call production environment.
  • Configured and tuned kernels in RedHat Linux Operating Systems.
  • Entered commands and observe system functioning to verify correct operations and detect errors
  • Setup equipment for employee use, performing or ensuring proper installation of cables, operating systems and appropriate software
  • Refreshed PC, Linux Red Hat, and Mac at lease end to ensure 100 compliance with NASA
  • Migration of user data and enforce encryption standards on computers that have sensitive government information.
  • Setup and installed network and local printers
  • Installed peripherals to include memory, sound and video cards
  • Train new employees for new deployments and or troubleshooting.
  • Troubleshoot Office, Windows, OSX and Linux/UNIX.

Confidential

Responsibilities:

  • Worked a short term contract to patch systems for the DOD.
  • Mainly created and manipulated scripts to find vulnerabilities and fix problems with security patches related to their systems.
  • Upgraded and maintained systems to their full security and patch level standards.

Confidential

Responsibilities:

  • Performed installation, configuration and maintenance for Solaris and RedHat systems.
  • Install security updates, bridged UNIX to Windows environments, added printers, routers, firewalls and wireless devices to the network.
  • Created and manipulated shell scripts for automation in the RedHat environment.
  • Installed/configured and managed systems using SpaceWalk.
  • Setup and maintained SAN devices with LVM and Veritas Volume Manager.
  • Used Nagios to monitor networks.
  • Experience with NIST guidelines
  • Used RedHat kickstart.for qualified system setups.
  • Tuned kernels in the Redhat environment.
  • Monitor systems using TSM and NetApp utilities.
  • Setup baseline systems using virtualization including Solaris Zones and ZFS file systems.
  • Administered F5's BIG-IP load balancer with TMOS.
  • Backup and restore using SAN and Legato technologies.
  • Received CompTIA Security certification.

Confidential

Responsibilities:

  • Performed UNIX system and network administration on large scale and mission critical servers.
  • Deployed multiple RedHat clustered environments.
  • Installed and maintained NIS with YP in master and slave configurations.
  • Setup and maintained Disk Shelf 42xx Filer F20xx systems.
  • Used shell scripts extensively in different environments within UNIX and Windows systems.
  • Upgraded, or downgraded as a matter of speaking , a EMC JBOD, from IRIX 6.x to Redhat 5.x.
  • Administered through NetApp Data On Tap 7X Operating Environments.
  • Maintained /administered internal and external multi-tier Apache SSL host networks, within a DMZ and specific dedicated ports.
  • Setup and maintained NetApp with SAN, NAS, and iSCSI devices.
  • Setup SAN/NAS devices with LVM and Veritas.
  • Created and maintained scripts used with Nagios for monitoring.
  • Automate process using csh, bash, ksh, bsh, and tcsh, to enhance administrative tasks.
  • Extensive kernel tuning in Redhat and Solaris.
  • Have used Data Management OnCommand Report and System Management tools.
  • Exported multiple filesystems in a multi-tiered server environment with NFS.
  • Created install scripts to automate RedHat kickstart installs, and initiate diskless clusters at bootup.
  • Installed tuned SQL:2006, and assisted the DBA's, with their configurations.
  • Maintained administration in a 24x7 on call production environment.
  • Configured and tuned kernels in RedHat Linux Operating Systems.
  • Synchronized Servers and Clients with NTP.
  • Setup and maintained multiple DNS servers, overlapping when needed.
  • Administered and maintained SAN and NAS technologies, extending to Enterprise Level RedHat.
  • Used RedHat and Solaris virtualization to simplify System Administration deploys.
  • Creation of Solaris Zones including ZFS files systems.
  • Installed, maintained and administered Java based applications with JBOSS.
  • Installed and maintained system failover techniques.
  • Setup and maintained backups using Netvault with multiple backup schemas.
  • Planned and led hardware and software migration and upgrade efforts.
  • Performed system failure analysis through log files and used various recovery tools to ensure the consistency and integrity of the file system.
  • Managed disk volumes with the use of Veritas Volume manager installed in RedHat.
  • Familiar with NetApp volume, storage and management software solutions.
  • Necessary to attend meetings with developers for a good Configuration Management Process.
  • Installed and setup VmWare.
  • Installed and troubleshoot all hardware in Enterprise Server level systems.
  • Performed routine server maintenance, technical support and troubleshooting.
  • Located bandwidth issues and security holes.
  • Worked with developers to test ad deploy NASA-wide and department-wide applications in high availability environment.
  • Provided simultaneous support for multiple projects.
  • Implemented and edited shell/perl5.10 scripts and ksh/bash/csh/sh to automate daily tasks.
  • Setup and maintained backup schemes with dump commands in cron, Legato Networker, cpio, NetWorker, Amanda, tar, Backup Exec, and NetVault.
  • Created scripts, RedHat kickstart and Solaris jumpstart to duplicate systems.
  • Upgraded systems using mainly automated techniques, and on the fly scripts to install patches.
  • Tested systems and environments using ITSEC and TCSEC standards with CC/EALX.
  • Performed Raid configuration and management using Zones, LUN's, and virtualization with NAS and SAN storage devices.

Confidential

Responsibilities:

  • Provided UNIX system/network administration, engineering and programming support in a UNIX/PC environment.
  • Received a Solaris Enterprise Computing certification.
  • Supported and maintained the corporate intranet, which included the hardware, software and network configuration for software development, integration and testing activities.
  • Administered user accounts, performed user maintenance on UNIX and PC workstations.
  • Provided expert analysis of system architecture and design and made necessary modifications to facilitate system growth and capability enhancements.
  • Supported worldwide system deployments for exercise, demonstration, training, and delivery.
  • Installed and maintained operating systems, patches, and software.
  • Installed and configured hardware/software suites, including Sun Ray, Sun Screen firewall and SKIP, DII COE based system, and Air Force TBMCS program.
  • Performed daily/weekly/monthly backups, restoration of files.
  • Monitored network performance and security issues.
  • Administered system mail and internet access.
  • Participated in technical meetings with customers and implemented divisional and corporate policies. Have tested Security using TCSEC standards with CC/EALX.
  • Configured network file systems, automounters, license managers, NIS, routers, and DNS.
  • Worked with classified computing and multi-level classified environments.

Confidential

System Engineer

Responsibilities:

  • Provided UNIX systems administration for servers supporting science product generation, archival and distribution at the NASA Langley Research Center EOSDIS Distributed Active Archive Center DAAC .
  • Maintained a high level of systems availability on a production environment.
  • Provided assistance to internal and external customers on system configurations and upgrade plans.
  • Performed preventative maintenance, problem analysis and systems monitoring.
  • Coordinated systems maintenance with external entities.
  • Performed routine backups and data recovery.
  • Monitored network security and performance.
  • Provided administration on HPUX, Solaris, SunOS, IRIX, AIX and NT/95/98.
  • Integrated the communications between IBM compatibles and UNIX file systems and peripherals using Samba, Exceed and WinCenter.
  • Managed file systems and directory services.
  • Installed network hardware and software. Configured NFS, NIS, and auto-mount.
  • Performed routine UNIX systems administration including system upgrades, user accounts and file system maintenance, peripheral installation, etc.
  • Knowledge of DCE configuration and administration.

Confidential

Responsibilities:

  • Performed WAN/LAN administration.
  • Managed PC LAN Students Lab.
  • Created and maintained accounts, templates, and objects on Novell NetWare.
  • Provided backup and file restoration on the LAN.
  • Installed Network/PC hardware and software.
  • Performed PC diagnostic and repair.
  • Troubleshot and resolved customer problems
  • Sun Enterprise Systems Planning

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