PROFESSIONAL SUMMARY:

• Highly motivated technical professional with over 7 years of experience in UNIX and Scripting (Linux, Solaris, Shell and Bash) Administration.
• Expertise in Unix Administration skills i.e. file system concepts, installations, configuring and troubleshooting services like NIS, NFS, SAMBA, SENDMAIL, HTTP, CRON, Job Scheduling, RPM’S, data replication through rsync.
• Proficient enough to automate day - today work, installation of Servers, deployment of applications of Linux boxes etc. through Bash, shell and PHP scripting.
• Experience in monitoring/troubleshooting application servers like Tomcat.
• Experience in administering Apache servers and setting up Apache load balancing across servers.
• Well versed with OS installation and Configuration, Upgrading Packages, Kickstart, PXE Boot, Logical Volume Manager, OS Patching, Firmware upgrades.
• Proficient in Confidential Volume Manager, Confidential and Redhat Clustering, VMware , VCS and VxVm which includes Configuring Confidential File system, Configuring Cluster Software (VCS) for applications, I/O fencing, Troubleshooting daily VCS problems.
• Worked on Amazon Web Services (AWS), Amazon cloud services like Elastic Compute Cloud (EC2), Simple Storage Service (S3).
• Good understanding of IT process like incident management, change management, problem management etc. Understanding of Service delivery life cycle, ITIL process.
• Strong experience in Confidential Clusters in supporting high availability mission critical servers.
• Experienced with the installation, configuration and volume/File system management using Confidential Volume Manager (VxVm), Logical Volume Manager (LVM) and Solstice Disk Suite (Solaris Volume Manager).
• Backup management and recovery policies using Confidential Net-Backup.
• Experience in creating physical volume, logical volume, volume groups using LVM’s in Linux/AIX, HP-UX (ITANIUM and PA-RISC) and SVM, GFS(global file system) and ZFS in Solaris.
• Proficient in Networking, configuring TCP/IP, DNS, NFS, NIS, NIS+, SAMBA, LDAP, SSH, SSL, SFTP, SMTP, SNMP.
• Experienced in working with Storage Area Network (SAN).
• Experience in installation, configuration and administration of Web Logic and Web sphere Servers.
• Proficient in Installation, Configuration, Support & Maintenance of various Sun Sparc Enterprise hardware’s and RedHat5.x Linux Servers located at Remote Locations.
• Excellent in System performance tuning Configuration
• Sound understanding of IT Infrastructure Administration with project management skills.
• Providing 24/7 technical support to Production environments
• Experience in configuration and testing Disaster Recovery Site.
• Experience in writing Shell/Perl Scripts
• Working knowledge of Git and github.
• Proficient in automating work using Ansible playbooks
• Technical professional with management skills, excellent business understanding and strong communication skills.

TECHNICAL SKILLS:

Operating Systems: Linux, Solaris, Unix, Windows 9x/NT/XP/Vista/7

Platforms: (Red hat RHEL 3,4,5), Sun Solaris (6, 8, 9,10), AIX,HP

Utilities: NFS, (autos), NIS, NIS+, DNS, TCP, IP, SSH, FTPD, SFTPD, HTTP, LVM ( Confidential ), Send mail (SMTP), VMware Server, VPN, SCCS, Mirror Disk, Iptables, svcadm, svcs, LDAP, VCS, VxVm, Crontabs, sed, awk, and performance management.

Hardware: Sun SPARC, Hewlett-Packard (HP), Dell.

L anguage s: UNIX Shells (sh, csh, ksh, bash),PHP

Storage: Storage Area Networks (SAN), Network Attached Storage (NAS), RAID, Fiber Channel (FC), Logical Volume Manager (LVM), Disk Arrays, Samba.

Tools: VNC, DRAC, WINSCP, Putty, Xshell, Sametime, Remedy Action Request System, Apropos, SharePoint, Lotus Notes, Titan, HPOV Monitoring Tool,Git,github.Ansible

Office Tools: Microsoft (MS) Windows, MS Word, MS Excel, MS PowerPoint, MS Outlook, Visio.

PROFESSIONAL EXPERIENCE:

Confidential, South Windsor, CT

Sr. System Administrator

Responsibilities:

• Execute Methods and Procedures (M&P) for implementation and installation of releases and patches.
• Build systems, OS releases/patches. Perform acceptance testing of software applications.
• Perform Tier 1 and/or 2 support; investigate and resolve systems and services issues, Identify hardware and software issues associated with services and products. Define and execute approach for upgrading systems and services.
• Provide support to AWS EC2 and building new instances for project requirements.
• Automate process using Ansible playbooks.
• Utilize Cloud watch to monitor EC2,CPU,memory etc.
• Work on Git and github for version control.
• Monitor services and systems using a variety of tools to ensure services and systems are operating optimally; Investigate and report Services processing capacity, and Systems transactions processing; Performs Testing - System Builds, OS Releases/Patches
• Contribute to product requirements and system configuration; Run reports showing system and application performance and demand metrics.
• Build and support monitoring tools for software applications (scaling, performance, analytics)
• Build capacity plans based on the output of the monitoring tools.
• Install, validate and troubleshoot internal and third party applications (apache, JBoss).
• Tune systems parameters and service configurations. Provide feedback to development staff on key performance bottlenecks.
• Change management, system monitoring, metrics reporting and project documentation.

Confidential, Richmond, VA

Responsibilities:

• Core Solaris Administration (10.x)
• Core Linux Administration (RHEL 4.x, 5.x & 6.x)
• Working on Unix Migration and upgrade process.
• Maintaining installation and configuration procedures
• Direct and participate in the effective provisioning, installation/configuration.
• P2C, P2V, P2P migrations for Solaris and Linux servers.
• Participate in process Documentations and audit compliance on UNIX/Linux servers.
• Triage customer support issues: log analysis, OS / network troubleshooting.
• Automate processes using scripts and software.
• Standard System Administration Functions as well as deployment of application.
• Configure, update and patch VIRTUAL server hardware and OS.

Confidential, Nashua, NH

System Administrator

Responsibilities:

• Participated in the design and review of new server systems, applications, and hardware. Conduct capacity planning as needed.
• Virtualization of Solaris systems (creating and cloning zones).
• Working on VMware for creating new Linux server instances (creating new servers or deployment of new machines with template)
• Played an important role in movement of environment Solaris/Linux/HP servers to a new datacenter.
• Conduct research on server hardware, software, and protocols in support of procurement and development efforts.
• Recommend and execute modifications to server environment in order to improve efficiency, reliability, and perfor m ance .
• Develop strategies for UNIX client/server implementations; architect the infrastructure required to support those strategies.
• Coordinate and participate in key process improvements as they relate to the UNIX install base.
• Coordinate and collaborate with network engineering, business application, and database administration function to ensure availability, reliability, and scalability of corporate servers to meet business demands.
• Plan and implement server upgrades, maintenance fixes, and vendor-supplied patches.
• Monitor and test system performance and provide performance statistics and reports.
• Establish and implement policies, procedures, and technologies to ensure server security.
• Define and implement strategies for integrating disparate operating environments.
• Worked as a technical resource for Application developers/support during deployments and outages.
• Prioritize and respond to help desk tickets as appropriate. Participate in rotating on-call.
• Responsible for escalating server issues; provide timely response to customer escalations.

Confidential

Solaris & Linux Administrator

Responsibilities:

• Administering the boot prom - Use the Open Boot PROM commands to identify system configuration, change the boot device and perform basic hardware testing.
• Managing packages - Investigate software packages on the system, Add new software packages, Remove software packages.
• Worked on Redhat Linux and Sun Solaris OS in production environment
• Coordinating with client and internal teams for operational issues, project work, following process like change process, problem management process, Access management etc. and updating requisite document like CMDB, DR plan, process document, run book etc.
• Managing DNS, FTP, Sendmail, Distribution list(Sympa, majordomo and mailman), NIS, HTTP, Account management, Samba, NFS, Automount, VNC, Disk management, NTP,Samba, NFS cron, package update, data replication through rsync, OS installation and taking its image, Performance Management such as CPU utilization, Memory Utilization, Load average, Disk Utilization, Netdump and Kdump.
• Deploy third party software packages, monitoring and management tools.
• Patching of Linux and Solaris servers after the build.
• Coordinating with vendors like Redhat, HP, Sungard etc. and taking proper follow up.
• Creating and modifying scripts to meet present business need in shell, bash and PHP. Created FTP and NIS account management web interface in PHP with bash and shell scripts running in background.
• Using DRAC, cyclade, DELL Remote console to manage server
• Handling server down issues and analyzing the root cause for the issue by checking system logs.
• DRAC Commands and Configuring DRAC on Servers
• Using System Imager for Configuring new LSF machines with PXE boot.
• Providing On Call Support (24*7).
• Managing Patches - Patch information, Patches installed on the system, adding and removing updates and patches.
• Workstation booting - System boot cycle, Run levels, Run Control scripts, the init process, Commands to bring the system down, Modifying the boot process.
• System Security - Access security, limiting root login, custom system files to investigate and control the access to system.
• Process Control - Administering processes, Process scheduling.
• Understanding file types and the directory hierarchy - Identify file types, Links, purpose of the main directories.
• LP print service - Set up a printer, Configure for remote and local printing, print commands to print and monitor the print requests.
• Linux (RHEL4, 5) installation and customization as per user requirement using remote console (Raritan or ILOM).
• CUPS (Common UNIX Printing Server) server maintenance and configuration.
• Worked on LVM and RAID in Redhat Linux.
• Working on SUN Clusters 3.2 like adding databases under resource groups, bouncing databases in the resource group, modifying properties of the resources under the resource groups using CLI.
• Working on VM (VMWare) like creating clones and templates to deploy a new virtual machine from the existing templates.
• Worked on Jumpstart installation on Solaris servers.
• Experienced in initial setup of openSSH and Sudo.
• Experienced in configuring Sudo.
• Providing Sudo access to the users/groups.
• Experienced in administering file system using Solaris volume manager.
• Installing, upgrading and configuring SUN Solaris 9 and 10 on Sun servers using custom jumpstart servers and interactive Installation.
• Creating and maintaining user accounts, security, disk space and Process monitoring.
• Installs, upgrades, patches, configuration on UNIX and system Software and hardware.
• Knowledge of Setting up RAID levels (0, 1, 5) Using Solaris Volume manager.
• Providing SAR (System Activity Report) reports to the users based on the requested timelines.
• Troubleshooting Auto mount, NFS issues.
• Troubleshooting SMF (Service Management Facility) related issues in Solaris 10 by restoring the service repository.
• Installing & Configuring Zones in Solaris 10.
• Working on a job automation tool (AUTOSYS) to schedule backups.
• Working on OPSWARE application where we use it for password management of NIS users.
• Experience in live up gradation of OS on Solaris 10 platform.
• Administer the Solaris Volume Manager software by using command-line programs and also replacing metadisks when they go into maintenance mode.
• Administer the Solaris Volume Manager software state databases
• Create and administer simple, striped, concatenated, and mirrored volumes
• Create volume structures using soft partitions
• Verify the status of the Solaris Volume Manager Software volumes and state databases.

Confidential

Volume Manager

Responsibilities:

• Implementation and Managing of RAID levels like 0, 1, 5 using Confidential Volume Manager
• Creating, Resizing, Restarting, Recovering and Removing Volumes
• Creating, Mounting and maintenance of Confidential File System (VxFS) on all layout methods
• Online Backing up of Volumes using mirrors and Snapshots.