SUMMARY

• 6+ years of Unix Administration comprising of AIX 5.3, 6.1
• Good communication skills, interpersonal skills, analytical, documentation skills, self - motivated, quick learner, team player.
• Worked extensively on production and non-production servers to make them complaint as per SOX,PCI and PII standards
• Co-ordinating with client to get business requirements and converting those requirements into technical steps.
• Built power6 & power7 frames from scratch with dual VIOS and client LPARS.
• Worked with NPIV
• Performed OS upgrades on AIX Production/Non-production servers
• Installation and configuration of LPAR’s with AIX 5.3 and 6.1 on p5, p6 & p7 servers.
• Performing Performance Maintenance tasks, Memory Management, User Space Management, File System Creation tasks
• Managing System backups and Storage Management.
• Managing LVM and File systems, SRC, Paging space management, restore and availability
• Extensive experience with LVM, NIM, User & System Resource Management, Job Scheduling and Paging Space Management
• Installing application software on AIX 5.3 / 6.1 Boxes, Upgrading the Maintenance Levels as per application requirement
• Administering and troubleshooting of AIX HACMP Cluster, NIM and mksysb
• Day to day administration and automation of the Development, Production and Test environment systems

TECHNICAL SKILLS

Hardware: IBM - P Series Servers (P510, P550, P570), P5-595, P6-595, P7-770, P7 780, Sun Ultra V480, V880 Models, IBM DS4700, EMC DMX-950, NS42G, Clarion CX 400

Operating Systems: AIX (5.3, 6.1 & 7.1), Linux (RedHat, SuSE 10)

Programming Language: Shell Scripting, Solaris Packaging

Software: Teamtrack, Clarity, Sharepoint, Archer, Qualys

Tools: nmon, vmstat, tcpdump, telnet, ssh, Exceed, mksysb, NIM

PROFESSIONAL EXPERIENCE

Confidential, Hoffman Estates, IL

Sr. AIX & LINUX ADMIN

Responsibilities:

• AIX 5.3, 6.1 & 7.1 System Admin
• OS Security Patches and Additional Software updates installation including SSH/SSL
• Vulnerability remediation of Qualys Vulnerability scans and helped client achieve 100% compliance quarter after quarter.
• Worked on power7 frames and built dual v
• System backups management
• Designed and documented DUAL VIO technical procedures
• Provided 24X7 support .
• Have built and installed Dual Vio Servers on Power6 520, P550, p595s and p770s.
• Installed and configured Aix 6.1 on P595 servers and p770 servers.
• Migrated to Aix 6.1 from 5.3 and VIO Servers VIO 2.1 to 2.2.
• Created Virtual Scsi server and client adapters.
• Created Shared Ethernet adapter (SEA) with Control Channel adapter and the Failover.
• Mapped the disks from the SAN to the VIO clients through VIO servers.
• Building Application hosting AIX servers, VIO Servers
• Installation and configuration of LPAR’s with AIX 5.3 and 6.1 IBM eServer pSeries p7, p6 and p5 Servers
• Capacity upgrade to the existing systems dynamically through HMC for physical adapters, memory, cpu
• Upgrade Hardware Management Console (HMC) firmware and software
• Worked extensively on production and non-production servers to make them complaint as per SOX,PCI and PII standards
• Performed OS upgrades on approx. 500 AIX, Solaris and Linux Production/Non-production servers including upgrades on HACMP production clusters without incidents.
• Installation of the operating system and applications on AIX using NIM installation method by creating NIM master and client with lppsource and spot
• Performed OS Migration from AIX 5.3 to AIX 6.1 using nimadm method
• Installation, configuration and administration of VIO server and VIO client LPAR’S via HMC
• Assigning disks, Ethernet adapters and SCSI adapter to VIO Clients through VIO servers
• Assigning disks to VIO Clients by NPIV
• Configuration and upgrade of HACMP, performing failover and fallback of HACMP Clusters on a regular basis as per the application requirement
• Worked with DBAs for supporting Oracle 9i / 10g / 11g / Raid configuration database maintenance activity on Dev / UAT / Prod Servers
• Worked on Multipathing Software EMC Powerpath
• Developed scripts to make AIX, Solaris and Linux servers compliant and also generate evidences to show present configuration of server as per MSB (CIST-0027) standards
• Brought client environment from red to green from compliance point of view in few months and got numerous client appreciations both verbal and in emails.
• Experience in writing, updating and proofing documents and procedures

Confidential, Livingston, NJ

Unix/AIX Administrator

Responsibilities:

• AIX 5.3 and AIX 6.1 system admin
• Supporting Application Performance testing on the Servers from UNIX perspective
• Working on day to day tickets which get escalated to L3 Unix team
• Co-ordinating with vendor to resolve issues related to hardware and software failures
• OS upgrades on AIX Production / Non-production servers including upgrades on HACMP production clusters without any incidents
• File System management, User management, adding a new user account, creating and changing user passwords, changing user attributes and day to day Maintenance Tasks.
• Managing LVM and File systems, SRC and Paging space management
• Performing failover and fallback of HACMP Clusters on a regular basis as per the application testing requirement, Cluster configuration changes as per application requirements, Cluster Synchronization, Validating cluster statistics
• Troubleshooting HACMP issues including bring the cluster online from error state
• Configuration and administering, of LPAR, resource allocation, moving resources as when required dynamically via HMC
• Installing OS on lpars using NIM and mksysb restoration
• VIO Servers, working with virtual adapter - creating client and server adapters, mapping adapters and allocation LUNs to LPARs via VIO etc
• Developed shell scripts to automate application performance testing, regular SSH/SSL upgrades, system backup, root password change and other regular manual tasks
• Performing weekly server check-up for file-systems free space, paging space, latest backup availability, systems error check-up etc and generating an excel report for management review

Confidential, Richmond, VA

Sr. Unix Administrator

Responsibilities:

• AIX (5.3 / 6.1), Solaris (9, 10), Linux SuSE 10 system admin.
• Requirement analysis and designing of hardware and network architecture.
• Analysis and Environment setup as per custom requirements from Design, Development and testing team at offshore Formulation and implementation of Backup strategies.
• Liaising / Interacting with clients, offshore and Onsite Management Sizing / Architecting / Performance Analysis / Troubleshooting / Managing UNIX / Linux Based Operating Systems and Hardware.
• This includes designing High Availability for Core Applications and Systems, Backup Strategy, DR, IBM SAN disk allocation, Load Balancers management etc.
• System Tuning in the Performance Engineering Environment
• AIX, Sun Solaris, Linux system monitoring, memory management, user space management, file system creation and maintenance
• Environment setup for the application software, Performance monitoring, creating and managing user accounts, access control management
• Reporting Server Utilization on Daily and Weekly Basis.
• Participated in internal and corporate audits
• Studying the entire server / application management process, procedures, identifying areas of improvement and implementing the same
• Working with DBAs for supporting Oracle 9i/10g/11g database maintenance activity on Dev / UAT / Prod Servers
• Monitor AIX environments to ensure that access is appropriate and report unauthorized access or attempts to management
• Working with Confidential .Net to register, resolve and monitor all incidents and changes related to IT Infrastructure

Confidential, Charlotte, NC

AIX Sys Admin/Support

Responsibilities:

• Installation, migration and maintenance of AIX & LINUX operating systems.
• Device management, including adding, changing, and configuring physical and logical devices.
• Zone Creation on Cisco and brocade San switches. Creating, managing and mapping Luns to Servers from DS8K,DS3K,DS4K Storages.
• Configuring Fcip routers and implementing and working on Global mirror between Storages(DS8K).
• Installing and Updating Device drivers for Storage, Tape library.(SDDPCM, Atape). Firmware Installations on P series servers,Tape library,HMC.
• File system management - Creation, Deletion, File Systems Changes - Grow and Shrink ftp access, cron and at job Scheduling.
• Disk Storage Management in AIX - Logical and Physical Volume Configuration and maintenance
• Monitoring systems, CPU, memory and disk utilization using topas, sar, vmstat, netstat etc.
• User, Patch and Security Management, Problem determination.
• Troubleshooting booting related issues, creating boot records, working with system maintenance mode, accessing rootvg in system maintenance mode, recovering root password, fixing booting related issues, working with bootlist.
• User Management - Creating, maintaining, and removing users and groups. Security settings on user accounts and groups