SUMMARY QUALIFICATIONS:

• Accomplished systems administrator with 12+ years of experience managing server infrastructures and data - center operations across multiple platforms (UNIX, Linux, and Windows). Effectively plan, install, configure
• and optimize the IT infrastructure to consistently achieve high availability and performance.
• Proven ability to create and deliver solutions tied to business growth, organizational development and systems/network optimization.
• Skilled problem identifier and troubleshooter, comfortable in managing systems, projects and teams in a range of IT environments.
• Expertise in Microsoft Server 2003, 2008, RHEL 5, Cent OS, Active Directory and Group Policy management.
• Created and implemented comprehensive needs assessment mechanism to help forecast demand and capacity planning for IT infrastructure.
• Ability to tune Linux systems based on performance, memory usage, filesystem and device I/O.
• Expertise in automating installations, configuration management, and other administration tasks.
• Very good understanding and working knowledge of AWS EC2 and cloud computing environment.
• Expertise in administration of VMware Workstation, ESX/ESXi Servers, VMware vSphere and Windows Servers 2008/ 2008R2
• Proficient in security remediation, critical assessments, disaster recovery and Virtualization.
• Expertise in Red Hat Satellite Server installation, Kick start in RHEL and Jump start in Solaris.
• Efficient in installing, configuring and implementing the RAID levels using various tools like Linux Volume manager ( LVM ), Veritas Volume Manager( VxFS ) and Solaris Volume Manager ( SVM ).
• Proficient in writing scripts in shell and perl for automation of systems, applications and backup.
• Expertise in areas such as Installation, Configuration, Migration, Troubleshooting, Patching and Performance Tuning.
• Good hands on Virtualization experience with VMWare ESXi, vSphere and vCenter infrastructure.
• Very good understanding and working knowledge in SAN, NAS and DAS technologies, configuration automation tools like Chef and Puppet.
• Demonstrated ability to identify and troubleshoot critical systems issues, gather metrics and monitor systems at all levels including low level system calls to insure that Service Level Agreements (SLA) are being met.
• Fast learner and driven to action. Adapt to ever-changing situations of work environment. Acknowledged for creating new and alternative ideas to achieve on demand business needs.
• Excellent interpersonal as well as communication skills and enjoys a challenging and high pressure team environment.

TECHNICAL SKILLS:

Operating Systems :  Sun Solaris 10/9/8, RHEL 5.0/6.0, Windows 2003/2008

Databases: Oracle 8i/9i/10g, MS SQL Server, MS-Access, MySQL

Hardware  :  Sun SPARC, IBM AIX, Intel Servers / Workstations

Volume Management  :  Veritas Volume Manager( VxVm ), Solaris Volume Manager ( SVM )

Backup Solution :  Veritas Netbackup 5.5, Veritas Backup Executive 9.0.

Scripting Languages :  Shell Script ( Bash, Bourne and Korn Shell ), VB Script, Perl Script.

System Automation :  Chef, Puppet and Salt.

SAN / NAS  :  EMC CLARiiON CX3, NetApp FAS2020, IBM TotalStorage DS400, Quantum DXi 3500/4601

Networking  :  TCP/IP, LAN/WAN, VPN, SSH, DNS, DHCP and NFS.

Virtulization  : Vmware and Oracle VM.

Web Servers  :  Microsoft IIS, Apache HTTP Server, Sun Java System Web Server.

Cloud Computing Services: AWS, Microsoft Azure

CHRONOLOGICAL WORK HISTORY AND ACCOMPLISHMENTS:

Confidential, Framingham, MA

Sr. Systems Administrator

• Installation, configuration and administration of Windows, Linux and Solaris operating systems. 
• Performed day to day systems administration tasks like installation, configuration, performance tuning, updates and patching of operating systems and applications.
• Managed Virtualization Environment using VMWare ESX 5.x and vSphere. Installation, Configuration, Administration and Troubleshooting of VMWare ESX 5.x and vSphere.
• Creating Templates from VM’s, deploy VM’s from templates and allocate resources.
• Performance tuning of VMware servers, Virtual sessions and management of server resources between Virtual Machines. Migration of Virtual Machines using V-Motion.
• Creating duplicate Virtual Machine’s using cloning technology (hot & cold).
• Performed daily and weekly backup scheduling, data restoration, tape rotation for production servers using Veritas NetBackup 5.x
• Troubleshoot of incidents and problems, analysis of logs to show trends and potential problem areas so that action can be taken to minimize occurrence of incidents and improve process of problem reporting.
• NetApps storage administration and configuration of CIFS, NFS and iSCSI, quota Management, NFS exports and data migration.
• Involved in implementation of Amazon EC2, S3 and other services. Administration of AWS infrastructure, performance tuning of Amazon EC2 instances.
• Configured Security group for EC2 Window and Linux instances and also for puppet master and puppet agents.
• AWS data backup (snapshot, AMI creation) techniques within AWS infrastructure.
• Created S3 backups using versioning enable and moved objects to Amazon Glacier for archiving purpose.
• Pre migration checks and configurations on Linux and Windows server environment. 
• Created shell and perl scripts to automate most of the daily activities like log monitoring, log rotation and purging, proactive systems monitoring etc.
• Hardening the linux system for security check for all the known security lapses like presence of the unwanted packages, unwanted services and controlling the access to valid users and hosts etc.
• Performance monitoring and tuning of linux servers with system utilities and Shell Scripts.
• Testing of operating system updates, patches, and configuration changes in development platform and then applied on production platform.
• Maintained user administration of user accounts, profiles and quotas as per company policy.
• Conducted vulnerability scans of the network, distributed, scheduled, coordinated, installed, tested, and verified security patches and fixes.
• Installed, configured and maintained Red Hat Satellite Servers, and custom repositories.
• Performed automation of server provisioning, package management and configuration management using Redhat Satellite and puppet servers.
• Configured kick start environment to automate the Linux installation process with PXE boot.
• Implemented enterprise backup management in production environment using NetBackup 5.5.
• Participated in Disaster Recovery Planning, setting up platform and implementing DR standards.

Environment:  AWS EC2, RHEL 5/6, Windows 2008/2003, Intel Servers, VMware Infrastructure.

Confidential, Monterey, CA

Sr. Systems Administrator

• Supported a large server and network infrastructure of Solaris, Linux and Windows environment.
• Managed installation, configuration, upgrades, and patch systems running OS such as Redhat, Fedora, Centos and Oracle Solaris.
• Utilized bash and ksh shell scripting to automate daily system administration tasks.
• Researched to improve service performance and reliability through investigation and root cause analysis.
• Creating and Deploying of Virtual Machines from Templates and creating Snapshots and Cloning of Virtual Machines for future Deployments.
• Installed VMware ESX server 5.0/5.5 and created virtual machines on ESX Servers. Designed standard templates and deployed virtual machines from these templates.
• Monitor, analyze, identify and troubleshoot issues, upgrade of Virtual infrastructure products - VMware vSphere suite 5.0/4.0 including VMware vCenter Server, VMware ESX/ESXi clusters, Virtual machines and templates.
• Managed data backup of Unix, Windows, Virtual servers, disk storage tier1 and tier2 backups.
• Copy of important backup images to tape media and send them to offsite every week. Performed quarterly offsite media audits and reports.
• Participated in implementation of Puppet modules to automate configuration of a broad range of services.
• Ensured that various backup life cycle policies, and daily backup jobs are running, and failed jobs are fixed.
• Troubleshoot of technical issues related to tier 3 Storage and Quantum tape libraries, reported and logged all media and drive errors. Worked with vendors to resolve hardware and software issues.
• Configuration of NDMP backup and troubleshoot of NDMP backup failures associated with storage.
• Performed hardware maintenance for collocated servers, including equipment replacement and capacity planning.
• Maintained configuration and security of the UNIX/LINUX operations systems with the enterprise’s computing environment. Provided required evidences to support internal controls per SOX quarterly audit requirement.
• Created and maintained detailed procedural documentation regarding operating system installation,and configuration of software packages, vendor contact information, etc.

Environment:  Solaris 10, RHEL 5/6, Windows 2008/2003, Sun SPARC and Intel Servers, VMware Infrastructure.

Confidential, Chicago, IL

Sr. Systems Administrator

• Administered large scale network comprising Sun and Linux servers including server installation, network configuration, securing the system, repetitive task automation using Perl and Bash scripts, troubleshooting and hardware and software upgrades.
• Developed rpms and pkg streams with pre and post installation scripts to automate proprietary software manual upgrades.
• Deployment and maintenance of Linux systems and app software in multiple clusters across eight data centers totaling approximately 4000 mostly Dell PowerEdge hosts
• Performance monitoring and tuning on UNIX systems. Develop step-by-step method using predesigned worksheets to eliminate much of guesswork in performance monitoring and tuning.
• Maintenance activity planning as per ISO standards which includes preparation of technical execution of commands, test plan and rollover steps.
• Configured Sun storage in SAN & DAS config using FC3510 and FC3511, along with monitoring.
• Deployment of clustered, HA Linux systems for internal and customer use
• Implemented custom billing and provisioning software to replace legacy systems.

Environment: Solaris 10/9, RHEL 5/4, Windows 2008/2003, Sun SPARC and Intel Servers, VMware Infrastructure.

Confidential, Memphis, TN

Sr. Systems Administrator

• Managed around 500+ Unix servers running Windows, RHEL and Sun Solaris on different H/w. like SPARC and x86 based HP DL 380 G series servers and Dell Power Edge servers.
• Installation and configuration of RHEL 4/5 on x86 level servers and Solaris 10 on SPARC servers.
• Provided first line support for x86 based systems running various Linux flavors, VMware ESX and Windows operating systems.
• Managed storage array using Logical Volume Manger (LVM), Solaris Volume Manager (SVM) and VERITAS Volume Manager (VxVm).
• Installation of Patches and S/w. Packages on Linux ( rpm, yum )  and Solaris Servers ( pkgadd )
• Configuration and support for DNS, SMTP, NFS and FTP services.
• Developed Shell Scripts for automating day to day routine admin tasks including backup/restore, shutdown & start-up.
• Performed configuration of network interfaces and services on Solaris and Linux systems.

Environment: Solaris 10/9, RHEL 5/4, Windows 2008/2003, Sun SPARC and Intel Servers, VMware Infrastructure.

Confidential, Jersey City, NJ

Sr. Systems Administrator

• Administration and maintenance of Unix based network of over 500 workstations and 250 Servers.
• Performed hardware maintenance, upgrades& troubleshooting on SUN workstations & servers.
• Worked on Veritas Volume Manager (vxvm), Veritas File System, (vxfs), Veritas Net Backup.
• Involved in all Planning, System Admin aspects of Solaris 8 /10 Linux UNIX Administration
• Performed data migrations on EMC Celerra NAS systems and other EMC SAN attached storage.
• Created, mounted & maintained VERITAS File Systems (VxFs) on all layout methods.
• Configured NetBackup policies & scheduled as per requirement on target systems.
• Installation of Enterprise Linux using KickStart and Installation of Sun Solaris with JumpStart.
• Tested and validated patches with Sun's Update Manager on DR servers and  production servers.
• Applied security patches as mandated by the IT security team.
• Developed various bash shell scripts to automate resource, job monitoring and alerting.
• Responsible for monitoring network statistics of various network related data structures.
• Performed configuration of network interfaces and services on Solaris and Linux systems.
• Submitted root cause analysis on recurring problems and provided permanent fix to problems.
• Involved in documentation of UNIX environment and configuration details.
• Participated in Emergency Power Outages and Disaster recovery planning.

Environment:  Solaris 10/9, RHEL 4.0/5.0, Windows 2003/2008, VMware Infrastructure, Sun SPARC and Intel Servers.

Confidential

Systems Analyst

• Performed hardware maintenance, upgrades& troubleshooting on SUN workstations & servers.
• Managed Windows 2003/NT4.0, file, print, SQL, WSUS and Exchange servers.
• Installation and configuration of Solaris and Linux servers through kickstart / jumpstart.
• Monitoring of resource utilization of servers and storage boxes.
• Performed a trend analysis of CPU/Memory/Disk utilization for critical servers.
• Preparation of health status reports at agreed intervals to aid capacity planning.
• Ensuring performance issues are properly addressed at right time to enable performance tuning.
• Worked with File System includes UNIX file System and Network file system.
• Planning, scheduling and implementation of O/s. patches on both Solaris & Linux.
• Administration of Disks and File systems using SVM and Veritas Volume Manager.
• Developed various shell scripts to automate aspects of systems maintenance.
• Handled Installation and configuration of Solaris and Linux on Sun Servers.
• Performed Linux systems performance, tuning, and enhancements.
• Involved in the design and implement of HA (High Availability) and Load Balanced solutions.
• Creating and maintaining Technical documentation as required.
• Proactively reviewing incident trends and report recurring issues to Problem Management.
• Participating in Emergency Power Outages and Disaster recovery procedures.

Environment:  Solaris 10/9, Windows 2003/2008, RHEL 4.0/5.0, Sun SPARC and Intel Servers, EMC Storage