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Unix System Administrator

Location:
Arlington, TX
Posted:
June 22, 2016

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Resume:

Gregory A Johnson

**** *. ****** **. ***** ***-**9 Arlington, TX 76017

202-***-****

acvc6e@r.postjobfree.com

Key Skills

Oracle 8i 9i 10g 11g

Diag, Fmadm, Hardware Administration

BSD, Linux / Unix Administration

Oracle RAC, ASM, Grid Control, Dataguard

Oracle, HP, IBM backup libraries

OS Integration

Rman/ Flash back and Datapump

Cisco and Brocade Fiber Switches

Bash, CSH, KSH Scripting

Hitachi, EMC and IBM SVC storage

OAS 10g and 11g

Solaris 2.6 - 11

System P,X,M

AIX 6.1,7.1/ VIO / NIM

DNS / DHCP / HTTP / SMTP

OLTP and OLAP

RedHat Enterprise Linux Satellite

Network and OS Security

DAD / Datasource

Oracle OEM

EMC AVAMAR, Data Domain

PostgreSQL, MySQL

Veritas Cluster Server

OS and Database DR

DevOPS

Veritas Volume Manager

Vulnerability Remediation

TECHNICAL QUALIFICATIONS

IBM: 9119 695, 9117-MMA, 9117-MMB, 9117-MMC, 8231-E1D, 8231-E2D, 8233-E8B, 8236-E8C, HS22 Blade server, IBM X series Xeon servers, 7013-580, 7017-585, 7028-6C4, 7038-6M2, 7040-681, 8203-E8A, 9119 590, 9119-FHA, X3550/X3550 M2 HMC, XSeries 336 HMC, 2105 Shark, 2107 Shark, XIV, DS5300, DS8000, 3592 E05 and E06 encryption, 3494 Tape Library, 3581/3584 Tape Library, 3593/TS3500 Tape Library

Oracle: M4000, M5000, T2, T3, T4-1, T4-2, T4-4, T5-2, T5-4, T5140, T5220, T5240, E25000, E15000, E10000, E6900, E6800, E4900, E4800 V490, V480, 280R, V240 V, Sun Netra servers, Sun Storedge Disk Arrays

SAN: Cisco MDS 9500/ 9509 San Switch, San Volume Controller, Brocade Silkworm.

Backup: EMC Avamar, EMC Data Domain STK 8500, STK L700, Storedge l9, t10000 tape encryption

Operating Systems: IBM AIX 5, 6.1, 7.1 Red Hat RHEL 4,5,6,7, SUSE Linux 9,10,1. BSD OS, Sun Solaris 2.6,7,8,9,10,11 and SCO Openserver 5

Software: Oracle 8i, 9i, 10g, 11g, Oracle Application Server 9.0.3, 9.0.4, 9.0.4.1, and 10.1.2, Oracle HTMLDB, Oracle Apex, Oracle XMLDB Oracle Dataguard, Oracle Enterprise Manager, Oracle RAC and Microsoft SQL Server solutions.

Infrastructure: DNS, HTTP/HTTPS, FTP, SMTP, NNTP/NNRPD, NTP, SFTP, SCP, OpenSSL, SSH, socket servers. Checkpoint Firewall, IPFW, Iptables, Iphcains, masquerading, NAT, Kerberos and Kerberized services, Proxy and proxied socket servers, GRE, tunnelling, and VPN solutions Veritas Netbackup 5 6 and 7, Solstice disk suite or SVM

Languages: perl,python, sed, awk, and other shell (unix) scripting languages, JavaScript, visual basic script, html, shockwave flash action script, php, sql

Experience

HP 9/2015 – Present

Charleston, WV

Sr Unix / Linux Administrator

Planning Security updates for Linux Servers

Provisioning of disk space in Vmware and Linux VM

Hardening of OS via patching osad / yum and Tenable configuration enhancement

Firmware and OS patches of T3-1, T5240, T5220, m4000 m5000 servers

Bash, Python scripting for task automation

Administration of host based firewall FirewallD Iptables

Administration of Solaris 10 and 11 servers

Administration of LDOM service domain and control domain on Oracle Servers

RedHat Satellite 5.5,5.6, 5.7 Administration, configuration, and Errata updates

PostgreSQL 8.4 backend Database Administration, backup and automation

Vacuum, Analyze, index rebuild and explain plan SQL optimization

Apache, PHP, MySQL stack source code build and application testing

PNC Bank 12/2014 – 9/2015

Pittsburgh, PA

Sr Linux/Unix Administrator

Vulnerability remediation, patch planning and upgrades in support of applications

AIX 6.1 and 7.1, Solaris 9,10 and 11 and Red Hat RHEL patching

Administration of Development servers running Solaris 11

Veritas Cluster, Sun Cluster, and Oracle RAC cluster support

System Hardening, Intrusion Detection, vulnerability remediation and system stability

OS and SUDO Access additions and removals

Python, Expect, sheel and other script language coding

Lun and Volume Group additions. Online disk file system growth

Sun Sparc ILOM and system firmware upgrade

HMC, VIOS administration, maintenance, upgrading. IBM Frame Firmware upgrading

Bash, Ksh and other Shell scripting for patching, administration and maintenance of OS

Installation, Configuration and Administration of RHEL VM’s

Host Key, SSH key, known hosts management

VIO Server 2.2 and LPAR / Power VM configuration.

TCP/IP networking and troubleshooting

AIG 08/2013 – 12/2014

Winston-Salem, NC

Sr UNIX Administrator

AIX 5.3 6.1 patch management, interim fix addition / removal. Service Pack and Technology Level Upgrade

IBM HTTP Server and Apache 2.2 and 2.4 Server Administration

HACMP Installation and Administration 7.1.3 for Distributed Systems Management

NIM Server, mksysb Backup and Restore, boot from NIM and Disaster recovery procedures

Nimadm migrations from 5.3 to 6.1. Alt disk installs, clone, mksysb

Python Bash, Ksh and other script coding

Managed NFS, Avamar, Data Domain

Installation, Configuration and Administration of RedHat Enterprise Linux Linux VM’s

Tivoli Storage Manager Administration. System backup and restore procedures

VIO Server 2.2 and LPAR / Power VM configuration.

HMC administration, maintenance, upgrading. Frame Firmware upgrading

EMC Avamar administration. EMC Data Domain Administration. Adding clients, schedules, policies, check backup and dedupe efficiency.

EMC VMAX NFS mounts, EMC SAN Storage

Vscsi and NPIV VIO LPAR configurations.

Linux and AIX LVM and filesystem setup. Add / grow / shrink volume group and file system

Oracle RAC, Grid Control, and CRS cluster administration for Distributed Systems Management

Fannie Mae 03/2012 – 08/2013

Urbana, MD

Sr UNIX Administrator

Veritas Cluster Server administration for Distributed Systems Management

Patching and bug /vulnerability fixes in Solaris, RedHat Enterprise Linux and Suse Linux and AIX

Hitachi, EMC, IBM San Storage

Apache 2.2 Server administration

Solaris LDOM, Solaris Zones as well as Linux Xen Virtualization

Zpool, Rpool and ZFS file system administration

Administration of Vmware ESX version 4 and 5 and Vmware Linux clients

Suse Linux 10 Administration. IBM Blade Center and X-Series hardware

Aix 6.1 Administration. IBM P-Series Server and IO Drawer Hardware Administration.

Administration of Xen Domains running RedHat Enterprise Linux and Suse Linux

Add / Remove / Grow / Shrink VXFS Filesystem. Add Lun and put into VERITAS Control

Veritas Volume Manager Vxfs deport / import and I/O Fencing for VCS

VCS cluster NFS Server Administration, Export NFS, Mount NFS

Failover, Load Balance and Parallel Processing Veritas cluster administration

Veritas NetBackup administration, backups and restores

IBM 12/2010 – 3/2012

Gaithersburg, MD

System Administrator

Disaster Recovery of various HP, IBM and Sun Servers

AIX 5.3 6.1 and 7.1 Administration and Disaster Recovery

Cisco San Zone and Zoneset configurations

DS8000, DS 5300 and SVC virtual storage configurations

LUN creation and cleanup from various Storage Arrays and tape Libraries for DR site activities.

Disaster Recovery of Oracle Database and Oracle RAC cluster 10g/11g

Web Server and Application Server disaster recovery including Apache server 2.2/2.4

Zpool, root zpool and zfs filesystem administration and live update

Disaster Recovery of Solaris Servers with Veritas Cluster and Veritas Volume manager

Disaster Recovery of RedHat Enterprise Linux Servers

TCP/IP networking and troubleshooting

NIM mksysb backup and restore methodologies

Solaris Jumpstart and Flash Archive backup and restore methodologies

Solaris Zoning and ZFS configurations

TSM backup and restore methodologies

Veritas Netbackup Backup and Restore Methodologies

Computer Innovations 03/2007- 12/2010

Savannah, GA

System Integrator

Administer Symantec Netbackup 6.5

Management of Solaris Servers with Veritas Cluster and Veritas Volume Manager

Administration and Management of RedHat Enterprise Linux and Suse Linux Servers

Network and system monitoring via nagios

Apache Server Administration. Administration of Tomcat Server. Forward and Reverse Proxy, mod_rewrite

OC4J and standalone JAVA based application server support

Patching and bug / vulnerability fixes in both database, middleware and OS

Oracle Application Server, Oracle XMLDB Oracle Apex Server Administration. Mod_osso, mod_oc4j

Configure Oracle DAD, mod_plsql and datasource for Oracle J2ee and Apex Applications

Clustered Middleware Server Oracle APP Server, Weblogic for distributed systems management

Clustered Java App Server, OC4J, Weblogic instances for Distributed Systems Management

Create or Modify Apex workspace for Apex Applications.

Oracle Database Server 11g administration. OEM 10g and 11g setup and configuration.

Oracle Rac Cluster 10g Administration

Pam based LDAP authentication, Application based LDAP authentication via service account or LDAP key

TCP/IP networking and troubleshooting

VMware Server 4.0 Virtualization

Red Hat, RHEL and Centos Administration. Server hardening, iptables configuration.

LAMP and XAMPP stack administration

Application development in Python, PHP using MySQL and PostgreSQL databases

PC and Business use computer diagnostic and repair services

Network configuration and troubleshooting

Administration of Active Directory, Exchange, Exchange Database and Windows Clients

Administration of SQL Server, SQL database performance

Backup of Exchange and SQL Server databases.

System and network monitoring via nagios

Administration and Configuration of server, midrange and blade systems

Administer Web Servers (Apache, IIS)

Patching and bug / vulnerability fixes in both database, middleware and OS

IBM 10/2006 - 3/2007

Fairfax, VA

Oracle DBA / System Administrator

Oracle DBA of 10 database systems and over 60 OLTP and data warehouses instances and database version from 7.3.4 to 10.2.0.3

AIX 5.3 6.1 and 7.1 Administration and Disaster Recovery

Provide 24X7 DBA and System Administration support for Oracle environment for hundreds of users and schema owners including government customers

Configuration and maintenance of Oracle RAC, ASM and Grid Control

Provide 24X7 DBA support to application developers. Installed new PL/SQL, stored procedures and packages in support for pre-existing applications. Debug code, check schema for invalid objects and execute tests on code via sqlplus and Quest Toad.

Manage exports, hot and cold backups of all database instances and performed database restore and recovery when needed

Install one-off, critical patch update and patch sets on development databases, test and install on patches on production systems

Performed SQL, and instance tuning from buffer cache and shared pool to log buffer sizes as well as DDL modifications which positively impacted performance

Install and test packages, stored procedure, PL/SQL, materialized views and batch code for reporting and business intelligence purposes

Managed table space, data file, extent, segment, and block sizes and tuned kernel, disk, cpu and memory issues on database servers

Check and update patch levels on Sun, AIX, Suse, and Redhat RHEL servers as well as IBM System P, System X as IBM blade systems

Check and update patch levels on Sun, AIX, Suse, and Redhat RHEL servers

Check legato backups for Sun, Linux, AIX, and Windows clients as well as file system storage for database cold backups.

Maintain patch levels for OS and RDBMS as per IBM APAR announcements

TCP/IP networking and troubleshooting

Maintain servers for OAS 10g infrastructure, middle tier and Oracle Applications 11i and install patches for all associated software

Created Unix Shell scripts for system administration and Oracle DBA functions

Administration of IBM SAS VTL disk system

Florida Dept of Revenue 4/2006 - 10/2006

Tallahassee, FL

Oracle DBA / System Administrator

Provided 24x7 support to state government Oracle resources.

Administration of Oracle database systems standalone, dataguard and RAC Cluster

Java based application server support

Managed SQL Server Database of tax payer information from Department of Financial Services

Provided 24x7 supports to application developers and application users for data load application. Rewrite stored procedure in the event of error and test application changes.

Complete management of exports and backups via Veritas Netbackup

Managed data file location and suggest performance enhancements

Managed and tuned data load applications. Performed SQL and batch script changes to enhance performance.

Managed data file, extend, segment size indexes rebuild and tables spaces also for performance

Installation of verification of database patches

Performed instance anddatabase tuning. Shared pool, SGA and DB Cache sized in spfile / init.ora

Performed regular maintenance and monitoring such as dbms_stats, stats pack, explain plan.

Maintained database DCL, DDL scripts. Recreate Database, Schemas

Created shell scripts, batch job, and dbms_jobs scripts for task automation

Check performance of data loads and check data dictionary views such as v$session_wait, v$session_longops, v$sql, v$sqlarea to identify high load sql.

Managed OAS 10g Middle Tier, OHS, OC4J associated databases for java applications written for Oracle Application Server.

Cox Enterprises 9/2005 - 4/2006

Atlanta, GA

Senior UNIX Administrator

Increase throughput and reliability of 220 Netbackup clients. Reported and tracked errors with backups

Increase reliability of offsite vaulted tapes

Increase reliability of Vintella Authentication Services on UNIX hosts.

Installation of SATA to SAS VTL hardware

Capacity planning and tape utilization statistics for backup system

Troubleshoot and increase reliability with Oracle, SQL Server and Exchange database agents

Reduced backup errors from fifty to virtually none.

Managed VERITAS Netbackup agent for Oracle. Create rman script for online or offline backup

Solaris Cluster servers with Veritas Cluster server

Administration of Solaris Servers with Veritas Volume Manager

Weblogic and standalone OC4J administration

Configure secure connectivity for transfer of sensitive information to banks

Configure SSH/sftp connection with clients

Install, manage and configure servers for E-business applications such Web logic, ColdFusion, Oracle

Perform Server Installations using Solaris jumpstart, Anaconda or RHN Satellite Kickstart.

Monitor and Performance tune Oracle database in data load situation

Create SAN and SCSI configurations for use in housing Oracle database files and monitoring of disk service times

Modify and configure Listener and TNS parameters for new network infrastructure.

Configure JDBC, ODBC and native data sources for connection to database servers

Configure DAD for mod_PLSQL applications or Oracle APEX

Nagios system monitoring

Patching and bug / vulnerability fixes in both database, middleware and OS

Managed server and database backups with Veritas Netbackup, rman and Veritas Netbackup connector to rman.

Shell (unix) scripting with sed, awk, tr, bash, ksh, tcsh, and python

Installation of Solaris 10 with wan boot jumpstart feature for installation from remote server

Administration of Veritas Netbackup to Sun fiber channel Library and VTL.

Archer Daniels Midland 8/2001 - 9/2005

Decatur, IL

Oracle DBA / UNIX System Admin

Oracle DBA responsible for installation, patching, backup and recovery, performance, data integrity, SQL and Instance tuning, and integration into applications such as HTMLDB and XMLDB

Administration of Solaris Servers with Veritas Volume Manager and Veritas Cluster

Administration of RedHat Enterprise Linux Servers and RedHat Enterprise Linux Cluster Services

Administer SeqStore terabyte data warehouse of NCBI and Expasy Molecular Biology sequencing data

Integration of Active Directory into OID, control of synchronization such as search filters, domain rules and attribute rules, and Authentication and Authorization of users (JAAS) such as Kerberos and Windows Native Authentication

Administration of Sun Midrange and Sun Blade systems

Install, configure and develop code in web application environments including HTML, PHP, Cold fusion MX 6.1, 6 and 5. The applications are designed integrate with databases such as Oracle, Sybase and MSSQL Server

Implemented Network Backup/Recovery using Veritas Netbackup, ADIC Scalar AIT 3, SunStoreEdge L9 and DLT 8000 drives.

Security auditor of UNIX systems. Used sysctl, xinetd, tcpd, tcp-wrappers, umask, ulimit, rootkit detection, port scanning and protocol analysis such as nmap and tcpdump

Optimize and tweak Solaris8 kernel parameters on Sun Fire Servers and Oracle Database Server.

Nagios system monitoring

System and Application developer with knowledge of wide variety of programming languages for system maintenance and Application development for scientists and other administrators.

Designed Unix Terminal Server Using Citrix MetaFrame, Solaris 8, Source code built X desktops such as Gnome 1.4, KDE 2.2.2, Enlightenment, ROX, XFCE, and Unix Office Applications such as Open Office, Koffice, and gnome office.

Implementation of SAN environment using Sun StorEdge T3, HP MSA 1000, Brocade Silkworm, and multiple fiber channel HBA.

Design and Implementation of Apache web server, Apache modules, and web accessible CVS repositories.

Patching and bug / vulnerability fixes in both database, middleware and OS

Expert Solutions, L.L.C. 9/1998 - 8/2001

New Orleans, LA

System Administrator

Administrated and maintained UNIX network and maintained firewalls, access lists, TCPwrappers, primary and secondary DNS, send mail, FTP, and Progress Database machines.

Installed, patched and upgraded commercial or open source software.

Installed and maintained Wide Area Network to secondary site.

Administered and maintained Ethernet and RF networks and all their associated equipment.

Installed, configured and administered all equipment such as digiboards, Port Servers, routers switch, and other network equipment such as IP based printers and wireless hubs.

Administered all associated computer equipment, along with installing database servers, terminals, scanners, and bar code readers in order to process orders taken at the distributor's show.

Utilized OMR forms and scanned them into the database. Processed information about customers' registration and provided statistics to the distributors using SQL queries or a pre-written Progress program.

Accomplished complete Y2K compliance on all workstations and servers, which included bios upgrades, software upgrades, router software upgrades via serial or TFTP.

Added an Exchange Server for in-house email and installed a backup mail server in the event the main server goes down.

System Integrator of BSD Unix, RedHat Enterprise Linux and Suse Linux, Windows (of any type), MacOS, SCO, Solaris.

Installed network with the customer's current equipment or bought new equipment to support the customers’ computer/networking needs.

Network Engineer and DBA for New Orleans Depot. Installed and configured MS BackOffice 4.5 NT Option Pack, SQL 7, and Site Server 3 for in-house web hosting solutions for EDI transmissions.

Performed database dumping and reloading, migrating from one database solution to another, modifying termcap and server side keyboard settings, backing up and restoring data from tape, and optimizing speed by modifying kernel and memory usage parameters.

Webmaster for pre-registration website for Demand Publishing Inc. entailing Progress database, Apache Web Server and TCP/IP connections to both facilities.

Configured and customized auto dialer and web browser for ISP dialup customers.

Administered Solaris 2.6, 7, 8, Kerberos 5, Cyrus-Imapd, for authentication

Administered Ipchains, IP Masquerading, for enhanced security

Installed and configured additional security software such as Socks5, Natd, Firewall Toolkit, tcp-wrappers, Tripwire and Xinetd. Installed and configured Checkpoint firewall for businesses.

Patching and bug / vulnerability fixes in both database, middleware and OS

Verio Gulf South 5/1996 - 9/1998

New Orleans, LA

Sr Linux Administrator

Installed Checkpoint firewall as an internet security option for business customers.

Administration of RedHat Enterprise Linux, AIX and FreeBSD servers

Worked as a ISP Administration team member with 14,000 customers

Setup Whistle configuration web server running Apache/Front Page.

Setup and maintained End User Whistle server

Troubleshot and provided support to secure web server running Stronghold.

Developed web sites using complete HTTPS instead of HTTP.

Implemented contact manager software, which utilized MS SQL Server.

Completed onsite installations of networking solutions and equipment to many businesses.

Administered CVS and maintained server configurations with CVS

Oversaw News NNTP server feeds

Setup, configured, administered and oversaw INND news server for ISP

Configured DNS with NNTP information to ensure that news feeds were directed to their correct locations.

Script writing for dial up data usage

Formatted Ascend Radius logging information into a standard format to ensure recognition by the SQL table.

Education

Oracle University 12/2003

Houston, TX

Oracle OAS 10g System Administration I

Oracle University 12/2003

Belmont, CA

Oracle OAS 10g System Administration II

Oracle University 11/2003

Cincinnati, OH

Oracle RDBMS 10g New features

University of New Orleans 8/1996

New Orleans, LA

Computer Science Major

Centenary College of Louisiana 8/1995

Shreveport, LA

Music Major / Computer Science Major

B.M. Degree

Minor in Computer Science

CERTIFICATIONS

Red Hat Certified System Administrator 160-042-834

A+ Certified Technician

Microsoft Certified Professional

Microsoft Certified Professional



Contact this candidate