Senior Systems Administrator Resume Profile
NJ
COMPUTER SKILLS
Red Hat Linux, Centos, HPUX LVM, VERITAS Volume Manager, Shell Scripting, Windows, Nagios, Service Guard
Hardware: HP Proliant Dl580/ 380/360, BL465 Blade Servers, HP9000s, Rx3600, Rp7410, 2400, Superdome, EMC Symmetrix DMX and Clarion , Dell R710
EXPERIENCE
Confidential
Lead Linux Consultant/Administrator
- Project with other companies DTCC/IBM to help setup a new startup Clarient Global
- Configure, support Redhat Linux physical/virtual server environment
- Created Linux golden image servers
- Modified Linux servers to integrate with Kerberos for integration with Active Directory
- Created/Setup LVM and NFS mounts
- Grant remote access ssh and sudo to Linux via AD groups
- Setup/Configure Linux mail relay servers
- Installed client's versions of Vormetric, Tripwire and audit rules for Qradar
- Kernel parameter modifications/tuning
- Linux patching
- Respond to ticket requests/incident queue
- Worked with apps personnel on the Alfresco/Bpms/Eap/Oracle environments
- Share 24/7 on-call support
Confidential Senior Systems Administrator
- Setup/Install/Support/Maintenance multiple clients in Linux/HP-UX environments
- Configure/suppor/kickstart Redhat/Centos Linux 4/5/6 Physical/Virtual server environment
- Configured and implemented Redhat/Centos Clusters
- Created san luns for GFS and LVM file systems
- Created and configured VMware 5.5 virtual clients
- Configure Oracle Asm and MPIO multipath storage devices
- Kernel parameter modifications
- Linux patching
- Respond to ticket requests queue
- Add and reset users to NIS and LDAP
- Add entries to external DNS
- Share 24/7 on-call support
Confidential Senior Linux Administrator
- Configure support kick start Redhat Linux 4/5/6 Physical/Virtual server environment
- Configured and implemented Redhat Clusters
- Created san luns for GFS and LVM file systems
- Created and configured VMware 5 virtual clients
- Configure Oracle Asm and MPIO multipath storage devices
- Kernel parameter changes/modifications
- Linux patching
- Scripting bash, shell
- Responded to open ticket requests queue
- Provided 24/7 on-call support
Confidential Senior System Engineer Contract
- Part of IT team that maintains 30 plus websites
- Utilized Kick Start RHEL 5/6.x, Centos 5/6.x OS
- Assisted in administration of Windows 2003/2008 servers
- Part of the initial install/configuration of Puppet
- Maintained LVM/GFS file systems
- Linux patching, repos
- VMWARE ESX 5
- Nagios, Open NMS and Cacti management
- Installed/configured Apache, ruby on RAILS, Tomcat
- Scripted bash, shell
- Installed configure Couch base, Varnish
- Initial setup of MYSQL databases
- Knowledge of TCP dump, wire shark for network troubleshooting and analysis
- Implemented development, QA and staging environments for controlled production deployment
- Assisted in maintaining company's Sun guard hosting facilities
- Used packet Sniffer such as Tcpdump and wireshark
Confidential Linux Administrator Contract
- Linux Administrator in a production/QA development environment running Redhat Linux 4-6versions on hardware platforms consisting of HP, DELL and IBM
- Used Kick Start new servers and desktops via RHN satellite and cobbler
- RPM/YUM installs packages/patches via yum repos
- Created and expanded LVM and GFS file systems
- Network bonding
- Updated HBA firmware
- Installed/upgraded third party software
- Troubleshoot hardware/software and handled/responded to RFC request for services
- Locked down servers according to SOX compliance and wrote shell scripts for monitoring and wrote operating procedures for operations to implement
Confidential UNIX/Linux Administrator Contract
- Installation/maintenance and support of UNIIX/Linux servers in an environment made up of HP servers, HP blades, HP Super Dome and HP PA-Risc running HP-UX, Red Hat, Centos
- Configured Service Guard and Red Hat/Centos clusters
- Installed and configured HPVM virtual guests' instances, vpars and npars
- Configured and monitored VERITAS and LVM file systems
- Setup GFS file systems/configure multi pathing on RH5/Centos 5
- Installed Linux Operating System using kick start via satellite servers and setup ilo
- Configured Service Guard clusters and RAC 10G cluster on HP-UX
- Installed RPM packages on Linux and swinstall patches/bundles on HP-UX
- Ignited HP-UX servers and setup software depots and images
- Setup and configured network bonding VERITAS, LVM, DNS, NFS, APA
- Used packet Sniffer such as Tcpdump and Wireshark to troubleshooting network issues
- Kernel tuning and capacity efficiency
- On call and support 24/7 on production
Confidential UNIX/Linux Administrator
- Supported UNIX/Linux servers in an environment made up of HP Proliant servers, HP Proliant blades, HP Super Dome and running HP-UX, Red Hat, Centos
- Installed Implemented JBoss 4.2.3 GA, Apache, Tomcat and Samba on Linux Server
- Part of 2 person team managing an EMC Symmetrix and Clariion SAN of approx 200TB
- Created meta devices, luns and mapped/masked Luns for Linux hosts using ECC Navi sphere
- Setup HA RedHat and Centos 5 clusters
- Setup Oracle 10G RAC cluster on HP-UX
- Setup GFS file systems/configured multi pathing clients on RH5/Centos 5
- Installed Linux Operating System using kick start via satellite servers and setup ilo
- Configured Service Guard clusters and RAC 10G cluster on HP-UX
- Created/modified HP vpars, npars and hpvm guests/instances
- Installed RPM packages on Linux and swinstall patches/bundles on HP-UX
- Setup and configured network bonding and binding. Ignited HP-UX servers
- Configured/administered VERITAS, LVM, RAID, DNS, NFS, SUDO, SSH
- Security using TCP wrappers and iptables rule sets
- Kernel tuning and capacity efficiency
- Provided On call and support 24/7 on production
Confidential UNIX/Linux Administrator Contract
- Installation/maintenance/ support of Linux servers in an environment made up of HP blades, HP580/380 Proliant running Redhat Linux 2.1, 3,4 and 5
- Configured and monitored VERITAS and LVM file systems
- Setup HA RedHat clusters
- Setup LVM/GFS file systems
- Installed Linux Operating System using kick start via satellite servers and setup ilo
- Configured RAC 10G cluster on RedHat
- Installed RPM packages on Linux
- Setup and configured network bonding and binding
- Configured and administered VERITAS, LVM, RAID, DNS, NFS, SUDO, SSH
- Kernel tuning and capacity efficiency, allocate space and configure servers
- Documented all the process and update any changes done
- Provided On call and support 24/7 on production
Confidential Systems Administrator
- Managed and maintained servers running HP-UX 11.00/11i, Red Hat Linux ES3/ES4, MPE
- Ignited, Kickstart, HP-UX, Linux severs. Setup FTP, HTTP and SAMBA servers
- Setup Symmetrix BCV device groups for mirroring Oracle database backups
- Installed and setup Service Guard cluster
- Configured and administered LVM, RAID, NFS, NIS, DNS, SUDO, SSH
- Mirror volume groups using Mirror-UX and Veritas Volume Manager
- Setup and maintained hardware/virtual partition N/VPARS on 9000 servers
- Wrote and troubleshot Korn/Bash/s cripts sys admin level
- Setup security using SOX guidelines
- Tightened security using tcp wrappers and iptable rule sets
- Monitored systems performance and tuning
- Provided technical availability 24 hours per day, seven days per week
- Worked with developers DBA to install and configure ORACLE software
Confidential UNIX Systems Administrator Contract
- Responsible for managing and maintaining UNIX servers
- Monitored MC Service Guard
- Ignited servers and workstations
- Installed patches and setup new depots
- Setup mirroring volume groups using Mirror-UX
- Configured and administered LVM, NFS, NIS and DNS
- Wrote and troubleshot Korn/Bourne shell scripts
- Worked with performance tuning and capacity efficiency
- Monitored systems performance and tuning
- Worked with developers DBA to install and configure ORACLE software
Confidential Supervisor Tech Services
- UNIX systems administration on HP9000, running HP UX 10.20 and 11.00
- Interfaced extensively with development and technical support team to ensure that production systems were running efficiently and without interruption
- Conducted installation and system support/diagnostics of HP-UX operating system
- Performed system administration tasks on HP3000 MPE/IX operating system
- Configured and administered LVM, NFS, NIS and DNS
- Performance tuning and capacity efficiency, and allocated space and configured servers
- Established and controlled third party software installs and upgrades
- Researched new hardware and software technologies and provided recommendations
- Optimized batch jobs and standardized/automated nightly operations schedules
- Provided technical availability 24 hours per day, seven days per week