SUMMARY

• Accomplished systems administrator with 17 years of experience managing server infrastructures and data - center operations across multiple platforms (UNIX, Linux, and Windows).
• Effectively plan, install, configure and optimize teh 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 halp forecast demand and capacity planning for IT infrastructure.
• Ability to tune Linux systems based on performance, memory usage, filesystem and device me/O.
• Expertise in automating installations, configuration management, and other administration tasks.
• Proficient in security remediation, critical assessments, disaster recovery and Virtualization.
• Expertise in Red Hat Satellite Server installation, Kick start in RHEL and Jumpstart in Solaris.
• Efficient in installing, configuring and implementing theRAIDlevels using various tools like Linux Volume manager( LVM ),Veritas Volume Manager( VxFS )and Solaris Volume Manager( SVM ).
• Proficient in writing shell and perl scriptsfor process automation of systems, applications and backup.
• Expertisein areas such asInstallation, Configuration, Upgrade, PatchingandPerformance Tuning.
• Good hands onVirtualization experiencewith VMWare, with most guest hosting via VmWare ESX
• Very good understanding and working noledge inSAN, NAS and DAStechnologies, configuration automation tools like Chef and Puppet.
• Demonstrated ability toidentify and troubleshoot critical systems issues, gather metricsandmonitor systemsat all levelsincluding low level system calls to insure thatService Level Agreements(SLA) are being met.
• Fast learner and driven to action. Adapt to ever-changing situations of work environment. Acnoledged for creating new and alternative ideas to achieve on demand business needs.
• Excellentinterpersonalas well ascommunication skillsand enjoys achallengingandhigh 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: VeritasVolume 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.

Business Domains: Finance, Oil and Gas, Insurance, Logistics and Telecom

PROFESSIONAL EXPERIENCE

Confidential, Framingham, MA

Sr. Systems Administrator

Responsibilities:

• Installation, configuration and administration of Windows, Linux and Solaris operating systems.
• Configuration of Linux VM that is running RHEL 6.0 as teh guest operating system on Windows 2008.
• Daily systems administration, resolving systems issues, supporting different groups/apps.
• Pre migration checks and configurations on Linux and Windows server environment.
• Used bash, awk, sed and Perl script to automate most of teh daily activities like log monitoring, log rotation and purging, proactive systems monitoring including disk error detection
• Updating of Packages and Patches on client side systems.
• Installation of different applications and tools on clients, printer management.
• Maintained user administration of user accounts, profiles and quotas.
• Conducted vulnerability scans of teh network, distributed, scheduled, coordinated, installed, tested, and verified security patches and fixes.
• Performed critical patch updates on all servers utilizing Windows server update services (WSUS), and System Management Server (SCCM).
• Provided first line support for x86 based systems running various Linux flavors, VMware ESX and Windows operating systems.
• Responsible for managing Citrix Server 4.0 and configuring Citrix clients.
• Installation & Configuration of RAID Volume Management using VERITAS Volume Manager in Solaris.
• Implemented enterprise backup management in production environment using NetBackup 5.5.
• Configuration and management of virtual disks, RAID 0, 1 and 5 levels.
• File System administration and management like monitoring various logs, file system sizes.
• Participated in Disaster Recovery Planning, setting up platform and implementing DR standards.
• Documentation of server, applications and database used in production environment.

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

Confidential, Monterey, CA

Sr. Systems Administrator

Responsibilities:

• 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.
• 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.
• Provided second level support to Citrix users.
• 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 teh UNIX/LINUX operations systems with teh 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

Responsibilities:

• Administered large scale network comprising Sun and Linux servers including server installation, network configuration, securing teh 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

Responsibilities:

• Managed around 500+ Unix servers running Windows,RHEL andSunSolarison different H/w. like SPARC andx86 based HPDL 380 G series serversand DellPower Edge servers.
• Installationand configuration ofRHEL 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 storagearrayusing Logical Volume Manger (LVM),Solaris Volume Manager(SVM) and VERITAS Volume Manager (VxVm).
• Installation ofPatches and S/w.Packages on Linux( rpm, yum ) and Solaris Servers ( pkgadd )
• Configuration and support forDNS, SMTP, NFSand FTP services.
• DevelopedShell Scriptsfor automatingday to dayroutine admintasksincluding backup/restore, shutdown & start-up.
• Performed configuration ofnetwork 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

Responsibilities:

• Administration andmaintenance 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, Architecture, System Admin aspects of Solaris 8 /10 Linux UNIX Administration and related SAN storage and Fiber HBA's using Veritas Foundation Suite products.
• Performed data migrations on EMC Celerra NAS systems and other EMC SAN attached storage.
• Created, mounted& maintainedVERITAS File Systems (VxFs) on all layout methods.
• ConfiguredNetBackup policies & scheduledas per requirement on target systems.
• Installation of Enterprise Linux using KickStart andInstallation ofSunSolaris withJumpStart.
• Tested and validatedpatches with Sun's Update Manager on DR servers and production servers.
• Appliedsecurity patches as mandated by teh IT security team.
• Developed various bash shell scripts to automate resource, job monitoring and alerting.
• Responsible formonitoring network statistics of various network related data structures.
• Performed configuration ofnetwork interfaces and services on Solaris and Linux systems.
• Submitted root cause analysis on recurring problems & providing a permanent fix to those 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

Responsibilities:

• 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.
• Performeda trend analysis of CPU/Memory/Disk utilization for criticalservers.
• Preparation of health status reports at agreed intervals to aid capacity planning.
• Ensuringperformance 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 ofO/s.patches on both Solaris & Linux.
• Createdfile systems using VERITAS volume manager & VERITAS File system.
• Administration ofDisks and File systems using SVM and Veritas Volume Manager.
• Developed variousshell scriptsto automate aspects of systems maintenance.
• Handled Installation and configuration of Solaris and Linux on Sun Servers.
• Troubleshootingofproblems related to hardware, operating systems, third party applications & scripts.
• PerformedLinux systems performance, tuning, and enhancements.
• Involvedin teh 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