SUMMARY

• Over 6 years of configuration, installation and administration experience on cross platforms like Red hat Enterprise Linux 5.0, Solaris 10/9/8 and Windows 2000/2003/2008 servers.
• Extensive experience with Linux Server platforms, Integration of Windows and Red hat Linux, Security Systems, Active Directory, Web - Server, E-mail Systems, Open source software, Network Backup Systems, Sharepoint server, Enterprise Antivirus Systems.
• Experienced in backup, recovery and upgrades of Linux, Solaris and Windows servers.
• Configured Volume Groups, Logical Volumes and File Systems on Red hat Linux Servers.
• Installation/Administration of Solaris on RISC servers and Redhat Linux on Blade servers.
• Configuration and Troubleshooting of LAN ensuring the proper implementation of the TCP/IP, routing, and network functionality using CCNA certification fundamentals.
• Experience in tuning performance for Linux and Solaris servers using tools like sar, vmstat, iostat, netstat and administering open software under Linux or Solaris such as KDE, Mozilla, and XFree86.
• Maintained and configured Storage and Backup systems using NetApp hardware.
• Experience adding and configuring disks and creating new file systems using LVMs and RAID concepts.
• Installed, Configured, Troubleshoot NFS, NIS, NIS+, DHCP, CVS, LDAP, Mail Server, Linux Cluster, Firewall, IDS and VPN Server along with backup.
• Extensively experienced with various methods of Red hat Linux/ Sun Solaris Migration using alternate Disk Installation, Kickstart / Jumpstart and Network Installation Manager (NIM).
• Experience in Installing, configuring and maintaining Apache/Tomcat, Samba & Send Mail, Web Sphere Application Servers.
• Resolve technical problems as they happen, take ownership of problems & work on resolutions using both internal resources & third-party technical support partners (IBM, Red hat & HP).
• Worked with VMware ESX 4.0 and ESXi servers, and Virtual Infrastructure client to create virtual guests.
• Worked on cloud platform and technologies like Amazon Web Services, EC2, Opscode, Chef Puppet, Knife and Ruby scripts to deploy machines on the cloud.
• Ensured system security by hardening and auditing the systems as per guidelines for Red hat Linux and Solaris Systems.
• Also experienced in system analysis, troubleshooting and performance tuning of Operating Systems.
• Basic scripting done in KSH, Bash, CSH and Perl Shell for automated tasks.
• Assisted in critical outage situations to isolate the root cause, put a temporary fix in place, and recommend long-term fixes.
• Provided recommendations for hardware expansions (network, server, and storage), and helped to project future needs.
• Worked with clients around the world to help with web site performance tuning, VPN configuration, server architecture recommendations, and many other tasks.

TECHNICAL SKILLS

Operating Systems: Red Hat Enterprise Linux 3.0/4.0/5.0, Solaris 8/9/10, IBM AIX 4.3, VMware ESX 2.x, 3, 4.0, Windows 2000/2003/2008.

Storage: VERITAS Volume manager 3.5 and 4.x, Logical Volume Manager, IBM Tivoli(TSM),VERITAS NetBackup4.5, NetApp (Snap Vault and Snap Mirror), EMC Power Path, Symmetrix & Celerra, Hitachi, IBM arrays, Storage-TEK L700, Dell Power Vault, NetApp V6000, FAS6000.

Clustering: Veritas Cluster Server, HACMP

Web Servers: Tomcat Apache1.3.x, 1.2, 2.x, JBoss4.0.x, WebSphere, Weblogic, IIS 5.0/ 4.0, SAMBA v3.0

Database Servers: Oracle8i/ 9i, 10g, MS SQL 2000/ 7.0.

Network Services/Application: SMTP, SNMP, DHCP, POP, SMB, NIS, NIS+, NFS, DNS, FTP/TFTP, ARP/RARP, SSH, TCP/IP, WEBSM, NTP, TELNET.

Servers: HP BL460CG6, AWS EC2, IBM RS/6000, and P-series servers ranging from F50, H80, F85, P610,P615,P630,P510,P670,P690,P550, P570, P590, P595. HP DL 320, HP DL 330, HP DL 380s, F5 BigIP LTM; Dell Power Edge Server dell 2300, 2400, 2450,2850,2950,6300, HP Proliant DL385, 585.

PROFESSIONAL EXPERIENCEConfidential, Nutley, NJ

Linux Administrator

Environment: Solaris 10, Red Hat Enterprise Linux 5.0, Windows 2003 and 2008, HP BL460CG6, VMware ESXi, Tivoli Provisioning Manager, Tivoli Storage Manager, Netcool/Webtop, IBM Websphere Application Server, LDAP, Bigfix

Responsibilities:

• Installation, Administration and Maintenance of Solaris 10, RHEL 5.0, Windows 2003 and 2008 Operating System in an environment involving over 200 Servers.
• Responsible for Remote installations of Operating Systems on Solaris (Jumpstart) and Windows Servers and get them Production ready on Virtual using VMware and Physical HP Blades.
• Check server resiliency by performing stress test on the machines.
• Configure and Troubleshoot High Availability Veritas Cluster for failover & redundancy along with NFS.
• Involved in installing and updating Applications and Policy Agents to latest versions using Tivoli Provisioning Manager (TPM).
• Perform Patch updates on Windows Servers using IBM Big Fix and later Tivoli Endpoint Manager
• Proactively monitor and administer servers using Tivoli Netcool/Webtop Alerts and command line tools.
• Migration of Websphere Application Server to the latest version 7.0.
• Administer other Websphere solutions like Websphere ESB, Process Server & Network Deployment which were used as platform for Confidential Market Research and Trading tool EIKON.
• Design, implement, and administer a Tivoli Storage Manager (TSM) solution for enterprise backup & recovery.
• Modify and create bash shell scripts to set automated backup schedule.
• Maintain enterprise backup environment by monitoring Tivoli system for sizing considerations through usage trending.
• Administer and troubleshoot user authentication using LDAP authentication.
• Performed hardware disk management using Veritas Volume Manager.
• Establish Static Routes between Core Infrastructure Services and verify connectivity.
• Perform Firmware updates as required to resolve alerts and maintain latest system standards.
• Verify Load Balancer setup is correctly configured and performs desired balancing.
• Maintain and manage documentation using Sharepoint and track project using MS Project.
• Involvement with the Customer care and Deployment teams in trouble shooting and fixing day-to-day problems of the applications in production on 24/7 schedule.
• Resolve technical problems as they happen - take ownership of problems & work them to resolution using both internal resources.

Confidential, Cincinnati, Ohio

Unix/Linux Administrator

Environment: Solaris 8/9/10; Red hat Enterprise Linux 5; Windows 2003/2008 servers; VMWARE; IBM Blade center Servers (HS20, HS21); Lenovo workstation’s (D2, D3, D10, D20); DELL Poweredge 1650,2850,2950,6400; Sun SPARC workstations (A21, A22, A70, A89) and Servers E450, E3000, E3500; NFS; NIS; DNS.

Responsibilities:

• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Performed User account management, data backups, and user’s logon support.
• Managed Linux kernel, memory upgrades, swaps area and Red hat Linux Kickstart Installation.
• Configured NFS and NIS.
• Configured ASM to simplify database file systems management also handled Migration of ASM disks from RAW disks.
• Installation, configuration and administration of Solaris 9 and 10 systems for performance monitoring, scaling, capacity planning and maintenance of Sun Servers.
• Used Solaris Jumpstart to automate the installation of Solaris operating system.
• Installed patches and software as required for system upgrade and resolving issues on Solaris Servers by troubleshooting and analysis of hardware and software failures.
• Experience with Java based Ecommerce web site administration and platforms such as Weblogic, Apache Tomcat and Samba Server.
• Configure Apache Web server installation and troubleshoot related issues.
• Installation of Red hat Linux on IBM Blade, Proliant, and Enterprise Server 4.0.
• Activities include user administration (create, manage permissions, user file systems); startup and shutdown shell scripts; crontabs, file system maintenance, backup scripts and automation.
• Good experience working on LAN/WAN and TCP/IP Protocols.
• Maintaining Red hat Enterprise Linux 5 servers in Development, Test and Production environment and proactively monitor and administer production and development of servers.
• Worked with Windows 2008 Servers to provide general administration and manage login policies and security using Active Directory via Centrify.
• Have written TIPS (Technical Installation Plans), TIRS (Technical installation reviews) and LINS (Local Instructions).
• Working on Change Management and Incident Management Tickets in Remedy Tool.
• Used System Monitor tools like ITM 5.1 (Tivoli Monitoring), and used system performance analysis tools like Wily Introscope by identifying and removing bottlenecks.
• Creating, Monitoring and Administration of file systems. Also checked Data Consistency and System Process failures of these file systems.
• Performed daily backups, restoration of data as per requests from developers using Veritas Netbackup.
• Installed and maintained IBM Tivoli Storage Manager (TSM) for Backups and data storage.
• Created VM Machines for Test Environments to test applications
• Experience in Servers consolidation and virtualization using VMware virtual infrastructure, VMware ESX.
• Installed and worked on Vmware Workstation 5.0 & installed Vmware tools.
• Configured GPFS (General Parallel File System) to allow multiple systems and application to share common pool of storage.
• Involved in planning, design and migration of data centers between buildings after accessing all requirements and using current hardware and new hardware.
• Provided 24x7 supports through Trouble Ticket Handling.

Confidential, Cleveland, OH

Unix/Linux Administrator

Environment: Sun Solaris 9/10; Red Hat Enterprise Linux 4.0/5.0; HP Proliant, SUN SPARC; Veritas Netbackup 4.5; NetApp products (SnapVault, Snap Mirror, V6000, FAS6000);Oracle 9i/10g; WebSphere Application Server 3.5/4.0.x; Tivoli Storage Manager 5.x; Cron; LPARs.

Responsibilities:

• Installed RHEL on HP DL385 as the base operating system to be used for applications.
• Installation and configuration of LPAR’s with Solaris 8 and 9 on SPARC servers.
• Installation of Red Hat Enterprise Linux Server 4 on Proliant.
• Owned the overall user admin and access management and compliance responsibilities. This includes creating roles and profiles, separation of duties matrix, user id provisioning for the entire team.
• Performed backup and recovery using RHEL capabilities on periodic and on demand basis depending the project and client needs.
• Group permissions used to create Access Control for different departments within an organization and authentication using LDAP.
• Trouble shooting the problems, performing and documenting root cause analysis.
• Maintained multiple platform projects and involved in capacity planning.
• Worked on NetApp Software Products like SnapVault, SnapMirror and ONTAP operating systems and NetApp Storage Array to provide SAN solutions.
• Disk Space management using VERITAS Volume Manager (VxVM).
• Configuration of Hardware and Software RAID. Disk replacement and File system recovery.
• Implemented Virtualization using VMware in Sun Solaris OS on Sunfire V6800.
• Installing and setting up Oracle9i on Red Hat Linux for the development team.
• Installed VMware ESX server on Dell Servers and configured Solaris 9/10 and Red Hat Linux 4.0 / Windows 2000 virtual machines for various applications.
• Installation of software packages and checking the integrity of the installed packages. Installed different RPM Linux 4.0/5.0.
• Worked on Cisco PIX Security to generate secure VPN connections between Cisco routers and designed, and implemented Checkpoint firewall infrastructure.
• Administered Red hat Linux servers for several functions including managing Apache/Tomcat server, Mail server, Java Web Applications and firewalls in both development and production.
• Automation of jobs and tasks using Autosys for work scheduled for off-peak hours.
• Used putty and ssh certificate tools to login and use secure access points.
• Installed and configured Sudo for users to access the root privileges.
• Document backup policies and procedures for backup routines, schedules and restore policies.
• Responsible for backup of all servers, and recovery of servers.
• Managing cron jobs, batch processing and job scheduling.

Confidential, Brick, NJ

UNIX Administration

ENVIRONMENT: RHEL 3.X, 4.X; IBM AIX 4.3.3, 5.1, 5.2; Windows NT 2000/2003; Oracle 8i, 9i; MY SQL; Apache 2.x; LPARS; VMware ESX Server; Veritas Volume Manager; F5 BigIP LTM; HACMP; Samba; WebSphere; IBM P510, P670, P690, P550, P570, P590; HP DL320,DL330,DL380; EMC Celerra NS; Hitachi; IBM arrays.

Responsibilities:

• Configuration & Administration of Red Hat Linux 8/ 9 at various client servers and service provider’s servers.
• Install FTP/TFTP/SFTP Server and set up network connections.
• Configure RAID control partitions.
• Install RPM packages for all the above mentioned modules on servers at client site as well as the service provider’s site.
• Install and execute health monitoring module and dial up connection reporting module on client sub systems and monitor the communication failures etc.
• Used BigIP for Application Load Balancer Design, Administration and Access Control.
• Extensive experience on installation, configuration and maintenance of Squid proxy.
• Manage Servers using HMC/WebSM and create LPARS.
• Configure servers to use HTTP, DNS, NFS, NetBackup, Storage Disk configuration.
• Creating & administer user accounts, SUDO access, etc.
• Managing file systems; grow them on fly using LVM on AIX and Red hat Linux.
• Diagnose and correct boot failures arising from boot loader, module, and file system errors on Red hat Linux.
• General Network issues troubleshooting related to network outages.
• KSH Shell scripting of error logs, print queue checking, and disc space status via email routing. CRON tab entry experience.
• Mirror the root volume group in AIX and use it for redundancy.
• Configure HACMP for a clustering environment on AIX servers.
• Performing O/S upgrades and Maintenance level upgrades.
• Use ILO/HMC for remote access of servers on Red hat Linux/AIX respectively.
• Troubleshoot hardware, software and Operating system related errors on Red hat Linux and AIX.
• Installed Multi-Pathing software such as EMC Powerpath, HDLM.
• Configured Bonding in Linux and Ether-channel in AIX.
• Performed system-monitoring tools like TOPAS, SAR, VMSTAT, IOSTAT to report systems usage and performance.
• Maintain & troubleshoot Storage Disks from HITACHI, NetApp and EMC Celerra Storage arrays.
• Worked with EMC Celerra Multi Path FS and Celerra Manager to manage Storage Networks
• Co-ordinate with IBM and HP for faulty part replacement.

Confidential

Junior Unix Administrator

Environment: Sun Solaris 9, Red Hat Enterprise Linux 3.0; NT/2000; MS Operating System; DHCP; DNS; User Management; Network Management.

Responsibilities:

• Installation and configuration of Red Hat Linux & Sun Solaris, NT servers.
• Installation of patches, security fixes, e-fixes, packages on Sun Solaris, Red hat Linux and Windows NT/2000 Servers.
• Installation, configuration & administration of Windows 2000/2003 Server, IIS-5.0, Active Directory & Exchange 2003 Server.
• Configured IBM RS 6000 for production, staging and test environments.
• Update latest patches and upgrade all applications to the latest versions.
• Configuring Windows 95, 98 and NT workstations in NT domains.
• Setup LAN consisting of ten RS-6000 Servers running AIX 4.3, 5.0, 5.1, and five Solaris Name Servers (E450).
• Supporting the network on connectivity issues relating to TCP/IP, IPX, and AppleTalk.
• System Administration and engineering of Windows NT/2000, Active Directory.
• Administering user accounts: Adding users, user-groups, removing users & groups and changing user environments.
• Migrated database applications from Windows 2000 Server to Red hat Linux server.
• The primary responsibilities of the job include monitoring all the Windows NT servers verify everything in sync and at optimum performance and take proactive measures to reduce the downtime.
• Troubleshooting of DNS and DHCP related problems.