Summary:

• Over all 8 years of Experience in Systems Administration with 4 years Red hat Linux RHEL 3, 4, 5 and 6 , Solaris 8, 9 and 10 4 years in Microsoft Windows XP/7/8/NT/2000/2003/2008.
• Experience on creating the virtual servers using VM sphere.
• Experience in building Servers using Jumpstart for Solaris and Kickstart for Linux.
• Expertise in creating and managing Logical Volume Manager LVM in RedHat.
• Configuring, Troubleshooting and administering High Availability Clusters using Veritas Cluster Server VCS on various business critical database application production servers.
• Worked on Solaris10 container technology, created local and global zones, modified local zone parameters, created file systems on local and global zones.
• Installed and maintained the machines with the updated Patches and necessary client software packages.
• Worked on installing, configuring and administering DNS, DHCP, KDC/LDAP, SSH, FTP, Telnet, NIS, NFS, AUTOFS, Mail servers, VERITAS Net backup, and RAID in heterogeneous environment.
• Expertise in System performance tuning, capacity planning and Disaster Recovery planning.
• Experience in installing configuring patches on Sun Solaris.
• Experience with patching of Solaris servers and hardening of servers using native and third party tools.
• Strong scripting knowledge Perl and Shell to perform different administration tasks.
• Experience in Shell scripting ksh, bash to automate system administration jobs.
• Experience in installing configuring software packages on Linux and Solaris.
• Worked on monitoring system performance and UNIX/Linux performance tuning Configuration.
• Experience in providing day-to-day user administration like adding, deleting and modifying users and groups and managing their queries.
• Planning and implementing Disaster recovery sites from the scratch and Involved in disaster recovery testing.
• Experience in researching OS Issues, Applying Patches and opening the vendor Tickets.
• Involved in installation, configuration and administration of Apache Webserver and Samba Server in Solaris and Linux environment.
• Creation, maintenance and administration of raw devices for Sybase and Oracle ASM databases.
• Proficient in archiving and backups using tar, cpio, dd, ufsdump, ufsrestore commands. Day to day administration of the Development environment and Production and Test environment systems.
• Hands on experience on configuring kernel core files and crash dumps in Solaris and Linux.
• Worked on Datacenter Migration project. Migrated Linux and Solaris servers from one datacenter to another with minimal downtime.
• Good Knowledge on Network Administration such as configuring, installing and troubleshooting servers on network.
• Knowledge of Routers and Switches, Subnet, VLAN, TCP/IP, VPN.
• Worked on Service Now, ResolveIT, NSAM and Remedy Action Request system, for ticketing and tracking asset records.
• Supported 24/7 high availability production servers.

Technical Skills:

PROFESSIONAL EXPERIENCE:

Confidential

UNIX Systems Administrator

Responsibilities:

• Installation, Configuration Upgrade of Solaris 10/8 and Linux Red Hat 6.X, 5.X, 4.X .
• Apply patches every quarter on Solaris and RHEL systems and install security packages on servers and follow audit and compliance requirement.
• Performed automated installations of Operating System using Jumpstart for Solaris and kickstart for Linux through TPM Tivoli Provisioning Manager .
• Installed and configured Solaris 10 with Zone configuration.
• Extensively worked on hard disk mirroring and stripe with parity using RAID controllers.
• Involved in Server sizing and identifying, recommending optimal server hardware based on User requirements.
• Installation and configuration of Veritas Volume Manager, Logical Volume Manager and Veritas File System.
• Experience with Volume creation resizing and troubleshoot to the client's development/production environment using Veritas volume Manager.
• Worked on administrating/patching Solaris Global zones, LDOMs and servers with Solaris Live update for minimal downtime.
• Worked on migrating servers from Solaris/Linux Security SSM/LSM Framework to Global Security Framework GSF Security Model.
• Creating and maintaining Users, Disk space, LVMs and Process Monitoring in Linux.
• Installation of patches and other software packages using RPM and YUM in Linux, pkgadd, pkginfo, pkgrm, patchadd, showrev p, patchadd p in Solaris.
• Installation, Configuration and Administration of Apache Servers in Linux and Solaris Servers.
• Implementation of RAID techniques and the creation of Disk group and volumes, plexes using Veritas Volume Manager, Solstices Disc Suit/Solaris Volume Manager and Logical Volume Manager Managing disks and file system.
• Worked on binding servers to KDC/LDAP and involved in User administration: creation and deletion of user accounts using scsu or powerbroker tool used to become root, and managing groups.
• Providing day-to-day user administration like adding/deleting users and managing users' queries. Shell programming for routine administration tasks. Analyzing monitoring system performance through various system tools such as netstat, iostat, Top, vmstat.
• Regular disk management like adding and replacing hard drives on existing servers and workstations, partitioning according to requirements, creating new file systems or growing existing one over the hard drives and managing file systems.
• Creation and scheduling of Cron Jobs such as for Backup, System Monitoring and removal of unnecessary files.
• Worked on scanning SAN on servers and allocate it to the Filesystems on RHEL and Solaris. Also worked on mounting NAS on RHEL servers.
• Supported Oracle and Sybase database servers.
• Planning and implementing Disaster recovery sites from the scratch and Involved in disaster recovery testing.
• Co-ordinate with Backup Operator regarding daily backups, monitoring backup servers and perform database, application and system backup in the absence of the backup operators.
• Engaging and working with different vendors to determine problem resolution and root cause of hardware problems.
• Troubleshooting various problems, logging call with vendors.
• Supported 24/7 high availability production servers.

Environment: RHEL 6.x/5.x/4.x, Solaris 10/9/8, HP Proliant DL 380 G6/G7/G8, HP Blade, IBM Blade, Sun T-Series and M-Series servers, Sun Fire 6800/E6500 Server, Sun Fire 280R/V480/, Sun E6900/E25K/15, Sun Fire X2250, Sun Enterprise 4500/6500/450, SAN /EMC, ZFS, VMware, Veritas Volume Manager 5.x/ 6.x, VCS 5.x/ 6.x.

Confidential

UNIX Administrator

Responsibilities:

• Installed and Administered Solaris 9, 10 on SPARC and x86 servers Enterprise Servers for test lab, production and disaster recovery setup.
• Migrated applications from Solaris 9 to 10 and resolved any dependency issues after live upgrade.
• Activities included user administration startup and shutdown scripts crontabs, file system maintenance, backup scripting and automation using Perl, shell scripting bash, ksh for Red Hat Linux and AIX systems.
• Created zones and LDOMs on T2000, T5140 for Web servers, Mail servers and applications servers.
• Performed volume management which included the encapsulation, initialization, root disk mirroring, and export/import of disk groups etc. using Veritas Storage Foundation 4.1, 5.
• Mirrored root disks using Sun Volume Manager and configured RAID 5 soft partitions.
• Used Logical Volume Manager for the management of Volumes including creation of physical and logical volumes on Linux
• Implemented Veritas Cluster 5.0 for Websphere and Sun JES Web Server agents.
• Performed application installation and management on Solaris or applications like Websphere Application Server WAS 7, JBoss 4.2.x, 5.x, Sun JES Web Server 6.1, Oracle 10g, Sybase 12.5 etc.
• Added patches to keep the servers updated against bugs present in the operating system as well as other applications like Veritas Storage Foundation, Websphere and Oracle.
• Configured, administered and troubleshooted YUM,SSH,TELNET,FTP,NFS, AutoFS Direct and Indirect Maps , NIS master, slave and client and DNS in multi-platform networks.
• Worked on the configuration of mail server using Sendmail 8.10.x, 9.x.
• Installed SAMBA 3.3.x server for interface between SUN servers and Windows servers to share files.
• Responsible for network troubleshooting and planning in a web hosting environment including the configuration of 3-Tier Environment.
• Installed and configured SSH to enable secure access to the servers.
• Developed a tool for logging the Process creation and exit as well as file creation and exit.
• Mentored junior team members to support production web environment.

Environment:

Red Hat Enterprise Linux 3/4/5/6, SUSE Enterprise Linux 9/10, Sun Solaris 2.9/10, Sun Fire V880, V440, V240, IBM X Series, HP ProLiant 380 G5, 580 G5, Proliant Blade BL 200C

Confidential

Responsibilities:

• Installing, Configuring and Troubleshooting of Windows OS 2000/XP/7/2003/2008.
• Maintaining the Clients account Database Troubleshooting the Network Problems.
• Configuring Shared Resources and Assigning the User Groups Rights.
• Maintenance of networking products such as Modem, Router and Switches.
• Configuring and Maintaining the User Accounts in Web Mail Server.
• Maintained all Active Directory features. Primarily DNS, DHCP. Create and manage user accounts and email services. Create and implement new group and securities policies.
• Document the configuration of the systems, fine-tune system performance Analyze system logs.
• Analyze, track and complex software and hardware matters of significance pertaining to Networking connectivity issues, printer, server, and application to meet user's needs.
• Maintenance of the AnnexGATEpro Firewall VPN, Mail server, Proxy server and Internet traffic Etc. .
• Maintaining the Clients account Database. Installation, Configuration Troubleshooting of MPLS Network for Data, Audio Video connections.
• Taking regular backups by using Veritas Netbackup.

Environment:

HP ProLiant DL 380, DL 385, DL 580, RAID configuration, HP Blade, IBM Blade, HP 2000 series Switch, Cisco Router 1800 Series, Windows OS 2000/XP/7/2003/2008, AnexaGatePro Firewall, CYBEROAM AIO Firewall,Veritas Net Backup,VB.net, Oracle 9i.

Confidential

Network Engineer

Responsibilities:

• Managed On site Troubleshooting and repair of hardware, Operating System and Software applications.
• Planning, Implementation, Administration and support of Windows 98SE/NT/2000/XP/Vista.
• Assembling all type of computer peripherals, Installations of all the operating system.
• Maintaining Systems on a LAN.
• Installation and maintenance of networking components such as Hubs, Manageable switches.
• Troubleshooting of network related problems and to provide end-user support maintenance.
• Upgrading data network equipment to latest stable firmware releases.
• Configuration of routing and switching equipment.
• Configuration of hosted IP voice services.
• Basic configuration of firewalls.
• Remote support of on-site engineers and end users/customers during installation.
• Remote troubleshooting and fault finding if issues occur upon initial installation.
• Capacity management and audit of IP addressing and hosted devices within data centers.
• Liaising with project management team, 3rd line engineers and service desk engineers on a regular basis.
• Interaction with customers via email and phone for initial requirement capture.