SUMMARY

• A dedicated and analytical information technology professional with extensive experience in aspects of Unix Systems administration, configuration, upgrades, backup, troubleshooting, server virtualization, capacity planning, Disaster Recovery, security, monitoring and support for Enterprise Unix Servers.
• Learns new skills quickly to solve problems efficiently and maintain smooth operations driving a business to the forefront of an industry.
• Excellent communication skills verbal and written, maintain a working environment that promotes Productivity, Responsiveness, High Team Morale, Motivation and Excellence.
• Outstanding organizational skills including ability to Multi - Task, Prioritize, manage increasingly Complex issues, work independently and organize workload with Minimal Supervision.

TECHNICAL SKILLS

Hardware: IBM P-Series p520, 550, 570, 590, 750, 770, 780, 870, 880 frames. PureFlex Chassis P4260, p460 Nodes. IBM RS/6000 SP complex, IBM Total Storage DS4800, V7K, IBM XIV, IBM Storwize, EMC Isilon, Sun Ultra SPARCstation 5/10/20/60, HP 9000/800/L2000-44.

Operating Systems: IBM AIX 5.x 6.1, 7.1, RedHat 5.x, 6.x, 7.x, Oracle Linux 5.x,6.x,7x Solaris 7, 8, 9, 10

Ancillary Skills: Protocols and Services HTTP, SMTP, NFS, DNS, NIS, NIS+, RAID, DHCP, TCP/IP, Ethernet, Token Ring, FDDI, VPN, SSH, FTP, SMTP, SAMBA 2.x, Send mail 8.9.1.

Other Skills: Tivoli Storage Manager (TSM, ADSM) 4.7, 5.1, 5.2, PowerHA 5.5, 6.1, HACMP 4.5/5.x, LPAR, DLPAR, HMC, LVM, IBM HMC, HDFS, IBM FSM, LDAP, Veritas File System, Spark, Hadoop, Veritas Volume Manager, DB2, Oracle, MySQL, LDAP, Centrify, RSA, Gerrit.Protocols NetBIOS, NetBUI, SMTP, SNMP, ICMP, TCP/IP, FTP, TELNET, UDP & RIP, DNS, WINS, DHCP

PROFESSIONAL EXPERIENCE

Technical Systems Specialist

• In-depth understanding UNIX-based system administration including variants of UNIX including Red Hat Linux 5/6/7, Solaris, Suse, Debian and IBM AIX.
• Support operations in multiple accounts, Consists of 20+ account. 10+ Commercial/10+Internal.
• Ability to create, manage and enforce process documentation.
• Provide technical leadership for all project based assignments for the off-shore teams.
• Actively addressed necessary security findings provide mitigation strategies and recommendations for security patching on an ongoing basis based on ITCS compliance.
• OS Migration from AIX 5/6 to AIX 7, Migration install/New and overwrite.
• Demonstrated ability in Systems Management and Administration (applying fixes, loading the OS, creating Gold images, resolving system issues, working with vendors to resolve issues for AIX/LINUX.)
• Strong focus on designs, builds, deployments, security, system hardening and securing services.
• Effective team player with excellent logical and analytical abilities.
• Proficient with operating system utilities as well as server monitoring and diagnostic tools to troubleshoot server software and network issues.
• Configure TSM application and validate backups and missed backups on AIX/Linux servers.
• Experience with VMWare (vSphere), virtualized environments and/or Microsoft Azure
• Understanding of Active Directory, PKI Infrastructure.
• Performed RHEL6/7 migration over Rhel 5 via in-house process.
• Installed Rhel 6/7 via CD-ROM/Kickstart and ISO Images
• Expert in UNIX shell scripting - ksh, bash, sh and knowledge of PERL scripting.
• Used various tools to run TCP/IP scans such as MAD / MSS and other house tools.
• Validate error reports and work issues as it occurs on servers.
• Reduce latency issues for users logging in system via external sites.
• Backing up and restoring profile on HMC followed by restoring OS via mksysb.
• Write migration scripts and run via for a loop script to gather and perform certain tasks.
• Deep knowledge of associated industry protocol standards such as: LDAP, DNS, TCP/IP, etc.

Environment: IBM AIX, Redhat Linux, SUSE Linux, TAD4D, ITM, TEM BES-Client, TSM, Tivoli Monitoring, NIM, Custom Shell scripts.

Confidential

 Unix Systems Administrator

• Maintain the efficiency of UNIX servers in the environment, Part of UNIX Operation team.
• Manage PureApp DR Infrastructure at BlueCross, PureScale 7895 Chassis with p260/460 nodes.
• Setting up IBM Netezza (Maco N3001) infrastructure and maintaining support level.
• Install and maintain Control Minder (CA) on UNIX servers. Version 12.63 / 12.83.
• Manage generated tickets via Opsview monitoring tool, and customer tickets.
• Production support for AIX 5.3/6.1/7.1 - Solaris 9,10,11 – Linux 5.x, 6.x, 7.x
• Hardware troubleshooting, System firmware upgrade via HMC or local drive.
• Work production S1/S2/S3 tickets along with Work tickets w1/w2/w3.

Environment: IBM AIX, RedHat Linux, IBM Netezza, SUN Solaris, SUSE Linux, P-Series servers, VMware, vSphere, VMs, OpsView, Nagios, TAD4D, ITM, INFO, TEM, PureScale PureFlex, PureApp.

Unix Systems Administrator

• Perform responsibilities of Installing, configuring, upgrading, decommissioning and maintaining efficiency across multiple platforms like AIX/Linux/Solaris servers.
• Experienced in Virtualization Environment, Creating and configuring LPAR/DLPARs and Deploying VMs.
• Skilled in corporate Disaster Recovery planning and procedures in a large mid-range environment.
• Sharp Knowledge in installation, configuration, security, backup recovery and upgrades of IBM AIX/Linux.
• Good experience in Scheduling Full Backup and Incremental Backup for daily, weekly and monthly Basis and creating Installation & Configuration Documentation.
• Created in-house scripts to perform certain tasks and complete server build activities.
• Created various script to perform SAN migration on background, configuring along with cron jobs.
• Perform for-a-loop scripts using awk, sed and other shortcuts to obtain information from system.
• Performing necessary pre-and-post activities for patching, Applying patches, iFixes and various security scans such as Lssecfixes, Fusion and CC Scans.
• OS Migration and in place upgrade from AIX 5.3 to 6.1 and 5.3 to 7.1.
• Oracle Linux refresh project, moved storage and migrated local data from/to Oracle Linux serevers.
• Troubleshoot NIS, NFS, DNS and other network issues, create DUMP files, Backup and restore DATA.
• Performing TL upgrades, Downloading TL levels, creating lpp source, Updating base level lpp source.
• Extensive experience in ODM Level troubleshooting, fixing LVM issue.
• Analyze performance issues and problems to determine bottlenecks by using diagnosis tools such as sar, iostat, top, mpstat and netstat.
• Worked with various Hardware replacement including Internal Disk, Disk Backplane, DIMM, Cache Battery., etc.
• Device Microcode Update per IBM documentation.
• Installed various software for application team with their guidance and procedure.
• Planning Maintenance schedule by coordinating with App team, Planning the Firmware to use with IBM Fix central site, Planning TL to use and getting it approved by Client and Management.
• Experience in All levels of RAID Configuration and Management using Raid Manager.
• Installing and configuring agents on AIX/Linux servers, Centrify/ RSA/ TAD4d/ TPC/ SEA/ SRM, etc.
• Experienced in EMC Storage Area Network (SAN) and Network Attached Storage (NAS) technology.
• DR Planning and implementation, Attending DR Meetings, Planning DR Servers (Resources / storage planning), Creating Mksysb and loading it in NIM Master, Supporting various team in DR for successful completion.
• Experience in SEA administration for failover load sharing, adding virtual adapter to existing SEA.
• Resolve complex configuration or bottleneck issues inside a complex environment including but not limited to IBM XIV, IBM Storwize, and EMC Isilon.
• Knowledge in implementing Security Administration using SSH, SCP, SFTP, FTP, GPG AND PKI Authentication
• Build Linux VMs on VMware, Install OS via Kickstart file and apply fixes and patches via YUM repositories.
• Monitor performance of AIX servers, Proficient in backup utilities, cloning, mirroring, and mksysb backups.
• Strong knowledge in Configuring PowerHA clusters (formally known as HACMP) 5.5 and 6.1 Version in a virtualized and Non-virtualized environment.
• Performing Health Check and remediation periodically. Implemented Scripts to automate logging and answering audits. User revalidations and remediation
• Knowledgeable of the concepts and key features of Storage Area Networks (SAN) like built-in redundancy, dynamic fail over protection and automatic traffic rerouting capabilities. Strong hands-on experience in Disk Management, Logical Volume Management (LVM).
• Proficient in SAN and Data Migration, Strong hands on experience in Disk Management and Volume Management using IBM LVM. Configure physical volumes, Volume groups, Logical Volume, and File system management. Mirroring logical volume, Volume groups and Checking File System consistencies.
• Basic understanding in networking systems, including DNS, LDAP, DHCP, and TCP/IP
• Managing and setting up PureFlex Chassis in Data Center, Installing p260/p460 Nodes in Chassis. PureFlex P-Nodes CNA Adapter upgrade, VIO Firmware update, PureFlex Servers installation.
• Hardware troubleshooting, Maintenance and replacement of failed hardware. Installing and replacing system planner, Memory DIMM, Network card and HBA cards.
• Patching SUSE and Linux servers using zephyr and yum repositories and installing RPM Packages.
• Familiar with SAS, install configuration for SAS/ACCESS software, Configure PAM Authentication for use with sasauth.
• Responsible for installation and configuration of IBM WebSphere Application Server, and IBM HTTP Server. Familiarity with configuring RAID using Veritas Volume Manager. Knowledge of installation of TCP/IP for LAN/WAN on AIX/Linux and Windows NT.

Environment: IBM AIX, RedHat Linux, Oracle Linux SUN Solaris, SUSE Linux, P-Series servers, VMware, vSphere, VMs, WebSphere Application Server, IBM HTTP Web Server, NIS, NFS, DNS, PowerHA, HACMP, LPAR, HMC, FSM, ITM, TAD4D, SEA, IEM, GACDW, TSM, SAN DS4800, V7K.

UNIX Systems Administrator

• Server build and maintenance of system/core applications spread across AIX 5.3/6.1 Servers.
• Experienced in Virtualization in multiple P-series frames. Dual VIOS and Multiple VIO Clients scenario. Installation of VIO2.1 on VIO servers and Creating Lpars. Using NIM Master for installation
• Responsible for AIX v5.x system administration tools, commands and utilities. IBM HMC, LPAR configuration, NIM and CSM to install and manage the LPAR. Responsible for Installation, Configuration Management, Maintenance and Systems Development of AIX Systems. Configure File Systems and administer using NFS.
• Extensive experience in UNIX performance Tuning and UNIX security fundamentals. Configured the web server interfaces, session management and transports for WebSphere.
• Responsible for taking system backups mksysb, mkcd, savevg and savevgcd also make system backup through NIM, making archives of files and folders.
• Installation and maintenance of a Veritas NetBackup backup solution for a large server farm (1000+ machines) of AIX, Solaris, SunOS, and Compaq Windows NT servers onto several large ATL DLT libraries and custom-tailored backup solutions for individual clients using a variety of tape libraries. Veritas NetBackup in Disaster Recovery Scenarios.
• Responsible for NIM installation, setting up NIM servers, clients, define resources, and Alternate Disk Migration.
• Responsible for determining hardware and compatibility requirements for installation of application software and different tools for OPTIMIZATION.
• Enabled security using the LDAP registry by assigning different roles to different users and groups.
• Performed User Account management, data backups, and users’ login support. Involved in trouble shooting and performance tuning using Tivoli Performance Viewer, ITCAM.
• Configured SSL and created SSL Certificates using key management utilities to implement security for the communication between web server and the Application Server.
• Experience in setting up and maintaining LDAP clients and master server. Experience in building and maintaining VIO servers and Virtualization. Experience in shell scripting to automate administration jobs including backing up WebSphere administration repository.
• Provided 24x7 supports on shift rotation basis. Involved in DR TEST.
• Proficient in backup utilities, cloning, mirroring, and configuring HACMP clusters.
• Skilled in installation, configuration of Tivoli Storage Manager, EMC Power path, IBM SAN, LPAR, DLPAR, VIO server.
• Sharp knowledge of installation of TCP/IP for LAN/WAN on AIX/Linux and Windows. Install Tivoli end-point on the client side, monitor generated alerts. Brilliant and good client relation skills and the drive to complete tasks effectively and efficiently.

Environment: AIX 5.2/5.3/6.1, Oracle, LVM, SSH, TSM, WebSphere 5x/6x, Veritas Volume Manager, P-Series, Shell scripts, TIDAL, LDAP, SAN, NIM, ITCAM, EMC, LPAR, DLPAR, VIOs, HMC, HACMP.