Professional Summary:

• 6 years of experience as UNIX, Linux administrator with specialization in Linux RedHat operating system.
• Strong technical competency across systems infrastructure with both infrastructure Engineering and Systems operations management experience spanning multiple OS platforms.
• Strong understanding of Linux performance tuning and kernel parameters to Maintain optimal
• system performance.
• Ability to interface with users at all levels of the organization and good end-user support skills.
• Ability to interface with users at all levels of the organization and good end-user support skills.
• Have good verbal and written communication skills, and able to multitask dynamic environment.
• Work as a member of a team, adhere to corporate standards and change management processes, and work to improve IT standards and policies.
• Possess strong analytical thinking with problem solving skills.
• Strong written and verbal communication skills.
• Strong experience in Linux CentOS, RHELinux, Fedora , SUSE, Ubuntu OS environments.
• Good experience with Linux flavors like SUSE, Debian and Unix - HPUX, AIX and Solaris OS environments.
• Support services: DNS BIND , DHCP, SAMBA, SNMP, LDAP, Kickstart, jumpstart, kernel configuration, Sendmail /SMTP, Apache, LAMP.
• Support Java application servers as well as Apache, Tomcat applications.
• Scripting skills - sh, bash, Perl, korn, awk, sed.
• Knowledge of networking - LAN, WAN, VPN, VOIP technologies.
• Knowledge of enterprise monitoring systems Nagios, SiteScope, Adlex, Tivoli, Veritas Cluster Systems, Cacti .
• Knowledge of virtualization environments Red Hat Xen, Citrix Enterprise Xen, Oracle VM virtualbox, VMWare ESXi, ESX 5.1, VIOS, Solaris zones .
• Experience with Cisco routers, switches and firewalls, iptables.
• Experience with web application support.
• Solid understanding of TCP/IP and basic networking
• Understand output of tcpdump, wireshark, dig, netstsat, tracroute , arp, rarp etc.
• Administration of Unix core services and applications such as NIS, NFS, DHCP, automount, DNS, DHCP, SendMail, NTP, Jumpstart/Kickstart, Puppet automation, SSH
• Systems administration Knowledge of Centrifydc, SSO, LDAP/AD and virtual directory services.
• Comfortable performing system upgrades, installing layered products, and Analyzing and troubleshooting complex production systems.
• Understanding of networking infrastructure
• In-depth experience in installation, configuration, maintenance, troubleshooting, securing of linux systems
• Familiarity Disaster recovery, redundancy and failover.
• Design and implement technical solutions that ensure control, manageability and integrity of the environment to maximize service availability to users
• OS level patching, Package management, System Upgrade.
• Ability to maintain technical documentation and procedures.

Technical Skills:

• Operating Systems and Environments: AIX 5.3L, HP-UX 11i, Solaris 10 x86 sparc, RHEL 4,5,6,7 Centos, SUSE11, Ubuntu, Fedora, Debian, Win 9x/NT/2000/XP/7/8, Win2K 2003 server 2008, 2010, Mac OSX, Clustering, Tidal, HPOpenview, Sybase, Oracle, Web Sphere MQ, Apache/Tomcat, LAMP, Virtualization VMware ESX 5.1, WINDOWS 7, 8, OS level patching, VMWare VSphere, Oracle VM VirtualBox
• Databases: MySQL
• Tools and Hardware: IBM p630, p690, p550, Tivoli monitoring, Tidal, Adlex monitoring, Sitescope system monitoring, Sendmail, Dovecot, Postfix, Nagios, Splunk, Cacti, NIM AIX , Jumpstart Solaris , Kickstart, RedHat linux , Puppet, Ignite hpux , tomcat, apache , iplanet webserver , Red Hat Xen, Citrix Enterprise Xen, Oracle VM virtualbox, SCOM, Evault Backup, Puppet, SUSE Manager 2.3, RedHat satellite, AD CentrifyingDC, HP PROLIANT DL580 G5 SERVER, ProLiant DL380p Gen8, ProLiant DL580 G7, ProLiant DL360 G6, ProLiant DL580 G5,ProLiant DL580 G5, HP Integrated Lights-Out 2 iLO 2 , HP Integrated Lights-Out 3 iLO 3 , HP Integrated Lights-Out 4 iLO 4
• Programming Languages, Protocols, Networking: Shell Scripting / automation - Perl, bash, tcsh, python, korn, HTML, XML, IP Routing Protocols, Bonding, Ethernet, TCP/IP, UDP, SOAP , SAMBA, https, http, ftp, vsftp, ssh, DHCP, DNS / BIND 8 9, LDAP/ACTIVE DIRECTORY, NFS, NIS, nmap, sendmail, fscan, VPN, VLAN, firewalls, Wireshark
• Cyber Security Firewalls: iptables linux , ipfilter solaris , Selinux
• MS Office Tools: Word, Excel

Professional Experience:

Confidential

Linux Systems Engineer

• Design, Build, Configure, Implement and support of Linux Server infrastructure systems.
• Shell scripting for sys. Admin purposes and performance monitoring bash,perl,python,powershell .
• Manage the Systems network infrastructure components.
• Configuration management, Backups, security configuration.
• Automate tasks with scripting and improve the infrastructure Environment.
• Nagios system monitoring tool administration and configuration.
• Managed virtual servers and host platform servers using VMSphere.
• RedHat RHEL 6 servers, workstations and desktop builds on Virtual and physical servers.
• Installed and maintained puppet server for configuration management.
• Maintenance, support, upgrade patches, firmware upgrades, and fixes of Linux operating systems with SUSE manager and RedHat satellite.
• Performed firmware/ driver upgrades Linux operating systems and HP servers.
• Install, configure, maintain and run PUPPET, NIS, HTTP, DHCP, DNS, SMTP, SNMP, FTP, WEB, LDAP, servers.
• Provide support for web servers and Application servers and business applications servers running in linux environment.
• Provide system support to resolve issues and tickets raised by users and application managers.
• Performed disaster recovery DR testing of Linux systems.
• Develop documentation standards and Operational run-books.
• Develop tools for monitoring, and system reporting.
• Patching, package management, System Upgrades, patching and routine maintenance with security updates.
• Performed firmware upgrades for HP hardware.
• Worked with APP DEV teams on application release deployments to UAT/PAT/PROD/DR Linux environments.
• Apache/Tomcat/LAMP web server installation, configuration.
• Apache/Tomcat/LAMP web and app administration.
• Managed virtual servers and host platform servers using Vmware.
• Installation and administration of mail servers using Sendmail.
• Shell scripting for sys. Admin purposes and performance monitoring bash .
• Tivoli system monitoring tool administration and configuration.
• Install, configure VMware ESX, ESXi5.
• Installed and maintained puppet for configuration management and to deploy new servers.
• Maintenance, support, upgrade patches and fixes of operating systems.
• RedHat RHEL 4,5,6 servers, workstations and desktop builds on Virtual and physical servers.
• Install, configure, maintain and run NIS, DHCP, DNS, SMTP, SNMP, FTP, WEB, LDAP servers.
• Building script servers for automation and monitoring.
• Provide support for web and Application servers.

Environment: Linux RedHat 5, 6, SUSE11, Mac OSX, Centos 6 , Solaris 10, Windows Servers 2008 2012, Nagios monitoring, Vmware VSphere virtualization, Apache, Tomcat, SCOM monitoring, HPSIM, HPSA, DynaTrace, Splunk, ITRS, Symantech, Evault backup

Confidential

Systems Administrator/ System Engineer Unix/Linux environments

• Firewall implementation and internet/cyber security.
• Analysis and implementation of firewall rules and iptables.
• Prepare web servers to accept HTTP/HTTPS connections
• Apache / Tomcat/ LAMP web server installation, configuration and administration
• Managed virtual servers and host platform servers using Vmware
• Installation and administration of ftp servers
• Installation and administration of mail servers using sendmail
• Shell scripting for sys. Admin purposes and performance monitoring bash
• Tivoli system monitoring tool administration and configuration
• Installed and maintained puppet for configuration management and to deploy new servers
• Maintenance, support, upgrade patches and fixes of operating systems
• RedHat RHEL 4,5,6 servers, workstations and desktop builds on Virtual and physical servers
• Install, configure, maintain and run NIS, DHCP, DNS, SMTP, SNMP, FTP, WEB, LDAP servers
• Home grown and third party application installation and configuration on Linux / Unix and Windows OS.
• Building script servers for automation and monitoring.
• Job scheduling by using cron utility
• Puppet 3 - Enterprise deployment - server, nodes, puppetdb, console

Environment: Linux RedHat 4,5 and 6 , IBM AIX 5.3L, HP -UX, Solaris 10, Tivoli monitoring , Symantech, Sitescope, Vmware, SAN, NAS, Apache, Tomcat, Nagios, Puppet

Confidential

Systems Administrator Unix/Linux environments

• Problem resolution of the networked environment.
• Maintenance, support, upgrade patches and fixes of operating systems.
• Red hat 4,5 server builds and maintenance.
• Solaris 10 x86 server build and maintenance.
• Application installation and configuration.
• Provide application support.
• Installation and administration of Sendmail.
• Building script servers for automation and monitoring.
• Performed networking analysis and resolved connectivity issues.
• Job scheduling by using cron utility.
• AIX 5.3 L servers build and maintenance.
• Manage and perform Kickstart, kernel configuration.
• Performed OS level patching and system upgrade.
• Virtualization of OS, applications and resources.
• RedHat Linux 5.3 el installation rhel 5.3 .
• RedHat administration and troubleshooting.
• RedHat 5.3 el configuration on HP DL380 G2 servers.
• bash and Korn Shell scripting.
• Production Support for the HTTP Streaming system.
• Installation and administration of mail servers using postfix.
• Prepare web servers to accept HTTPS connections.
• Installation and administration of tomcat and apache servers.
• Managed and designed WAS for monitoring the environment.
• Managed virtual servers and host platform servers using Solaris Zones.
• Installation and administration of ftp servers.
• Shell scripting for sys. Admin purposes and performance monitoring bash .
• Adlex application monitoring tool administration and configuration.
• Tivoli system monitoring tool administration and configuration.
• Install, configure VMware ESX.
• Ensure low latency for the business transactions by maintaining system and networking requirements.

Environment: Linux RedHat 4,5,6 , IBM AIX 5.3L, Tivoli monitoring, Symantech , Adlex, VMWare, Sitescope, iplanet, Vmware, SAN, NAS, Apache, Tomcat, Weblogic, Nagios

Confidential

System Administrator UNIX

• Installation, implementation and customization of hardware and software infrastructure
• Problem resolution of the networked environment
• Maintenance, support, upgrade patches and fixes of operating systems
• HP-UX 11i, Suse, Solaris and red hat server builds
• Application installation and configuration
• Building script servers for automation
• Database installation configuration including oracle patches
• Performed OS level patching and system upgrade
• Perforce application release management
• Installation and administration of mail servers
• Performed networking analysis and resolved connectivity issues
• Job scheduling by using cron utility and tidal
• Bladelogic server automation for configuration of servers
• Solaris 10 server build and maintenance
• Used Solaris Zones with Tivoli Provisioning Manager
• Manage and perform LPAR, DLPAR, jumpstart, Kickstart, kernel configuration
• Virtualization of os, applications and resources
• Creating cron jobs
• RedHat Linux 5.3 el installation rhel 5.3
• RedHat administration.
• RedHat 5.3 el configuration on HP DL380 G2 servers.
• Korn Shell and Perl scripting.
• Production Support for the HTTP Streaming system.
• Prepare web servers to accept HTTPS connections.
• Identify and resolve system-wide issues on the Linux market data servers and data delivery networks LAN and WAN .
• WebSphere 6.x installation and configuration.
• Installation and administration of tomcat and apache servers.
• Managed WAS.
• Installation and administration of ftp servers.
• Shell scripting for sys. Admin purposes bash, Perl .
• Managed clustering.
• Performed Weblogic configuration and administration, deployments, hot-deployments, jms and jdbc configuration, WebLogic security.

Environment: Linux RedHat 4,5 , IBM AIX 5.3L, HPUX 11i, Solaris, Tivoli monitoring , WebLogic , Vmware, Mac osx, SAN, NAS

Confidential

System Administrator

• AIX 5.1 5.3 server builds on p630 p550 and DB2 v8 database installation configuration including oracle patches.
• Solaris 8 server build and maintenance.
• Manage and perform LPAR.
• HMC 3.5 and v6 managed and maintained.
• NIM 5.1 HACMP 5.1 Installation configuration.
• Red Hat Linux and Ubuntu 6 installation, administration configuration on HP DL380 G2 servers.
• Tivoli Monitoring 5.1, TEC 3.9 Framework 4.1 installation, configuration, maintenance problem solving.
• Backup Recovery with TSM 5.1.
• Used Bladelogic for server automation.
• Manage and perform LPAR, jumpstart, Kickstart, kernel configuration.
• Korn Shell and Perl scripting.
• HMC management for p4 and p5.
• Support for the HTTP Streaming system.
• Identify and resolve system-wide issues on the Linux market data servers and data delivery networks LAN and WAN .
• WebSphere 6.x installation and configuration.
• SAN client administration.
• Responsible for Mac OSX environment and networking.
• Maintain Software and Hardware for OS X 10.5 Leopard Servers.
• User account administration on MAC OSX and Windows Desktop.
• Shell scripting for sys. Admin purposes bash, perl .
• Backup files and system using apple time machine .
• Configuration and administration of VMware environment.
• Performed Weblogic configuration and administration.

Environment: Linux RedHat 4,5 , IBM AIX, HPUX11i, Solaris, Tivoli monitoring , WebLogic , Vmware, Mac OSX

Coursework:

• AIX 5.3 Training course.
• HPUX Training course.
• Solaris UNIX training course.
• Linux RedHat system administration course.
• Linux / UNIX system security .
• Unix shell script writing skills.
• Red Hat OS hands on training focusing system and networking administration
• SAP Basis Administration Training course.
• VB training course.
• Microsoft Access training course.
• Advanced networking environment.
• Networking
• C language
• Perl scripting
• Bash scripting
• DB, SQL training