SUMMARY

• 7+ years of experience in UNIX/ Linux, systems administration, systems maintenance, systems security, software upgrade and network administration.
• Experience in administration of Solaris 2.5, 2.6, 7, 8, 9, 10, Redhat Linux ES 4/5/6, SuSe EL 7, 8, 9, 10, 11 & 12.
• Experience in installing Redhat Linux on HP Hardware.
• Worked on blade systems which include HP 7000c with BL460c and Dell M1000e with M600 servers for the installation of Redhat Linux EL 4.x, 5.x, 6.x on VMware ESX 3.5 & 4.0.
• Disk space and File system management using Veritas Volume Manager 4.x, 5, Logical Volume Manager and Solaris Volume Manager.
• Experience with installation of support of applications which include Apache 2.2.x, Web Logic 9, 10, JBoss 4.2, TIBCO, Oracle, Informatica, CA eTrust etc.
• Experience with SAN solutions which included McData, Brocade FC switches and Hitachi, EMC arrays.
• Worked with F5load balancers that improve the overall performance of applications by decreasing the burden on servers associated with managing and maintaining application and network sessions.
• Experience with backup technologies like Tivoli Storage Manager 5.x and Veritas Net backup 3.x, 4.x, 6.5.
• Proficient in configuring the Data Communication Devices such as Routers, Switches, Hubs, Terminal servers and Troubleshooting LAN and First Level WAN Related Problems.
• Experience with high - end enterprise servers Sun T2000, 5240, M5000, 6800, 4800, HP ProLiant DL 380, 385, 580, IBM HS22, HS12, LS22 Blade center Servers.
• Implementation of backup solutions using Veritas Net backup 4.5, 6.5.
• Experience in Shell scripting using sh, ksh, bashm, Perl and RUBY.
• Experience in Performance Monitoring of CPU, Memory, Disks, Network using various monitoring tools like Nagios, BMC for UNIX.
• Experience in installing, configuring and troubleshooting server performance monitoring tools like ILMT, Columbo and ADDM.
• Extensive experience with Troubleshooting of issues with applications, network, user hardware, naming services etc.
• Experience in Network Configuration, Performance Tuning, Security Hardening.
• Experience in configuration of naming services like NIS, DNS etc. on Linux and Solaris
• Experience in architecting, setting up data centers and migration of applications.
• Strong analytical, diagnostics, troubleshooting skills to consistently deliver productive technological solutions.
• Implement Open SSH based security for the Redhat, HPUX and Solaris machine.
• Experience with HTML, CSS and javascript.
• Experience in System performance tuning Configuration.
• A good team player with strong communication skills and an inquisitive mind to learn more.

TECHNICAL SKILLS

Operating System: Solaris 7, 8, 9, 10 &11, Redhat Linux 2.1, 3, 4.x5.x, 6.x,7.x, Suse 9, 10&11, CentOS, Windows 2000/03/08

Hardware: Cisco UCS C200, C250, Sun Fire 6800/4810/4800 , Sun Enterprise 10000, Sun Fire F15K, Sun Fire 25K, T2000, M5000, Ultra Enterprise 6000/5000, SPARC sun4c/sun4u, HP ProLiant servers

Web Servers: Apache HTTP Server 1.3.x, 2.2.x, iPlanet 6.x

Application Servers: Web Logic 8.x, 9

Disk Management: LVM, SVM, VCS 3.x/4.5

Databases: My SQL, Oracle 9i

Designing tools: Microsoft PowerPoint

File Systems: UFS, VxFS, ZFS, ext, ext2, ext 3, ReFS, Xen virtualization

Networking: TCP/IP, NFS, DNS, NIS, Switches, Hubs, and Routers

Backup: TSM 6.x

PROFESSIONAL EXPERIENCE

Confidential

Systems Administrator

Responsibilities:

• Installation and Configuration of RHEL 7.x, Windows Server 2012/2016, SQL Server 2016.
• Developed and implemented strategies for migration from On-Premise to Azure Cloud environment. Acted as project lead for migration.
• Architect and Engineer projects in Azure government cloud and Azure Commercial Cloud.
• Worked as project lead for various projects in various environment.
• Co-ordinate with project managers, external vendors, integration partners and end users to get best results.
• Azure VNET configuration, Virtual Machines, Azure Backup, Site to site VPN, Load Balancing, Gateways, Network Security Groups, Azure Notification Hubs.
• Desigining infrastructure architecture and implementing to ensure maximum performance of applications and database.
• Troubleshoot incidents related to server configuration and performance.
• Troubleshoot Network incidents related TCP/IP, Firewall configurations.
• Sercurity upgrades and Server patching.
• Determine Security, Capacity, and Compliance strategies for existing and new applications.
• Providing effective cloud related solutions to meet business requirements.
• Performed Server back-ups.
• Troubeshotting incidents related to server performance, applications and database.
• Active Directory administration.
• Perform Network Monitoring and troubleshooting. Worked on SolarWinds and checkpoint for network monitoring.
• Worked on ServiceNow.
• Worked on integrating various third party devices with our in-house built applications and network infrastructure.

Environment: Azure government cloud, Azure commercial cloud, Service Now, RHEL 7.x, Windows Server 2012/2016, SQL server 2016. Dell Isilon.

Confidential, San Francisco

Web Systems Engineer

Responsibilities:

• Perform installation, configuration, administration and patching Solaris 10 and 11, RHEL 5.x, 6.x and 7.x, Windows servers 2008 and 20012.
• Installation, fault analysis and troubleshooting Sun/Oracle, IBM, HP, DELL enterprise server hardware.(Rack and cabling).
• Hardware support for F5s and Qlogic SAN fabric switches.
• Configuring server network interfaces including aggregation and VLAN trunking.
• Configuration of Ethernet, TCP/IP protocols and DNS.
• Installing, configuring and troubleshooting Server monitoring tools like ILMT, ADDM and Columbo.
• Support and maintain APC, Compaq, and HP rack-mounted PDU/UPSs, and APC Symmetra in-row devices. Maintain business/support relationship with APC vendor.
• Manage automated tape backup library system tape rotation and off-site storage
• Maintain documentation of systems configuration, procedures and practices.
• Interact with Corporate Properties Group and other property management organizations providing support services to our managed datacenter
• Maintenance of enterprise Asset management systems
• Working on Emerson/Avocent Data Center Planner (DCP).
• Working on HP Server Automation Client (HPSA).
• Decommission end of life servers.

Environment: Solaris 10 and 11. RHEL 5.x, 6.x and 7.x, Sun Storedge 3120, T6320, SPARC T3-2, T5240, T5440, T2000, M4000, Sunfire V120, V440 and V490, Dell Powerdege R710, R720 and R730 and HP-ProLiant BL465c.

Confidential, Baltimore, MD

Linux Administrator

Responsibilities:

• Installed and configured RHEL 4.x/5.x, Solaris 8/9/10, Windows 2003/2008 for production, staging and test environments.
• Configured Zones, Containers and branded zones on Solaris 10.
• Building LDoms on T5220, T5120 and T5140 servers.
• Configured File Systems using ZFS/vxfs/svm for Oracle Databases.
• Involved in troubleshooting of UNIX technical problems received through e-mail and Clarify Ticketing Tool, Backup solutions according to the SOP & SLA. Generating reports, Preparing Quality Documentations & uploading to VSS tool
• Monitoring, troubleshooting & reporting daily backup status for all critical production UNIX servers enterprise-wide.
• Scheduling and Managing Backup jobs using Veritas NetBackup 5.1.
• Scheduling cron jobs for disk utilization, CPU utilization, backup of the data & operating system and other applications as per the requirement using shell scripting.
• Installation and configuration of Windows 2003/2008 including Active Directory Services, IIS, DHCP on several Dell and HP servers.
• Installed Application Agents on 1500 Virtual/Physical servers in windows 2000/2003/Linux/Solaris.
• Configured devices by using HDLM software from Hitachi SAN.
• Setup of full networking services and protocols on Solaris, including NIS/NFS, DNS, SSH, DHCP, TCP/IP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Administered, maintained Red Hat 3.0, 4.0, 5.0 AS, ES, Troubleshooting Hardware, Operating System. Application & Network problems and performance issues; deployed latest patches for Sun, Linux and Application servers.
• Disk Space management using VERITAS Volume Manager.
• Configuration of Hardware and Software RAID. Disk replacement and File system recovery.
• Implemented Virtualization using VMware. Installed VMware ESX server on Dell Servers and configured Solaris 9/10/ Red Hat Linux 4.0 / Windows 2003 virtual machines for various applications.
• Installing and setting up Oracle9i on Linux for the development team.
• Installation of software packages and checking the integrity of the installed packages. Installed different RPM Linux 4.0/5/0.
• Experience with Perl scripting.
• Administered Linux servers for several functions including managing Apache server, mail.
• Installed and configured Sudo for users to access the root privileges.
• Integrating UNIX file systems using packages like SAMBA. Setting up printers on UNIX / NT machines to work seamlessly across platforms.
• Worked with different hardware and software vendors to troubleshoot the hardware and software problems.
• Responsible for backup and recovery of servers. Documented backup policies and procedures for backup routines, schedules and restore policies.
• Managing cron jobs, at Jobs, batch processing and job scheduling.
• Support and detailed troubleshooting of Sun Solaris in a 24 x 7 Environment.

Environment: Solaris 8/9/10, Linux, VMWARE, SUN SPARC workstations (A21, A22, A70, A89),NFS, NIS, DNS; IBM 8677, IBM Blade center Servers (HS20, HS21), Lenovo Workstation’s (D2, D3, D10, D20), IBM P520, P550, P560, P570, P575, P595, IBM IntelliZpro-9228, DELL Power edge 1650, 2850, 2950, 6400.

Confidential, San Francisco, CA

Linux Administrator

Responsibilities:

• Installation of Redhat/SUSE/Ubuntu Linux on x86 HW like HP and Dell.
• Performed volume management tasks like mirroring using SVM, Veritas Volume Manager 4.x/5.x and HPUX LVM.
• Supported Oracle DB and Oracle RAC on Redhat environments.
• Experience setting Linux to support RAC, Oracle and Web logic installations and performed trouble shooting on performance issues.
• Administered WebLogic 9 application servers which included installing SSL certificates.
• Troubleshooting on Sun Java System Web Server 6.0 and Apache 1.3.x web server on Linux with experience in installing SSL certificates.
• Experience working with SAN environments majorly servers connected to EMC Clariions, DMX and Celerra’s.
• Experience working with servers connected to on SAN and NAS environments like EMC and NetApp.
• Experience setting up cluster environments like Veritas Clustering for high availability of Business Critical Applications.
• Installation of Oracle 9i, 10g on the Sun servers running SUSE & Redhat Linux.
• Experience working with EMC Power path and Redhat Native multipathing.
• Patch and package administration for installation of patches as per the company policy and installation of packaged application
• User, Group management for all the UNIX servers
• Modifying/ Writing scripts in Bash and Korn shell for optimizing day to day administration
• Editing crontab in post - installation of Unix servers

Environment: Redhat EL 3.x, 4.x 5.x, SLES 10, 11, Sun Java System Web server 6.0, Verities Volume Manager 4.1 5, Oracle 9i, DNS, NFS, Sun T2000, M5000, v480, v880.

Confidential, New York, NY

UNIX Administrator

Responsibilities:

• Responsible for building and supporting Solaris/Linux/AIX/HP-UX/Windows. Servers.
• Administration and auditing the SUN servers and installation of the patches on production and development systems.
• Configuring NFS, NIS, DNS, Auto-mounter and disk Space management on SUN servers.
• SENDMAIL configuration and administration, testing the mail server.
• User administration, management, File permissions & archiving.
• Configuration of Veritas Volume Manager s/w. Solstice Disk Suite 4.2.1, Shell scripting, Printer installation, and problems escalation.
• Administration, fail over/testing of clustered nodes.
• Patch administration & Oracle startup/shutdown. Backup and restoration using Solaris in-built commands. Managing the project of customer, interacting with management, suggesting technical solutions.
• Troubleshooting the network issues and response problems.
• Creating new file systems, managing and checking data Consistency of file systems.
• Maintaining the CPU & Memory utilization of SUN Servers reports on the WEB.
• Writing Scripts for automating and testing the code.
• Experience with OS upgrades and installation of third party software, packages and patches.
• Scheduling full and incremental backups using NetBackup on daily, weekly and monthly basis.
• Involved in planning, design and migration of data centers between buildings after accessing all requirements and using current hardware and new hardware.
• Enhanced shell scripts from scratch for patch automation.
• Experience with adding and configuring devices like Hard disks and Backup devices etc.
• Used VMWARE in this project as a virtualization tool.
• Configured RAID 0, 1 and 5 levels.
• Experience with configuring and managing Virtual disks, Disk.

Environment: Solaris 7/8, AIX 4.3.2, Red Hat Linux 3.x/4.x, SUN Enterprise Servers, VERITAS Volume Manager 4.X, Shell scripting, SENDMAIL Protocol, Tape drive, Unix/Windows Workstations, VMWare, IIS, Apache.