AIX/UNIX System Administrator
Resume:
Samanth Reddy Mudhireddy
*****************@*****.*** 408-***-****
OBJECTIVE:
Seeking an Aix/Linux administrator position over 5+ years that allows for optimal exploitation and realistic application of my skills, in synchronous with driving the goal of the department I work for.
CAREER PROFILE:
●Aix administrator, with a strong performance background in wide variety of professional system support and solution-based IT services for Aix Systems (or administrations) including, host-based migrations, monitoring, configuration, troubleshooting and maintenance of operating systems.
●Comprehensive problem solving abilities, flair for innovative design, flexibility in playing roles, good verbal and written communication skills, willingness to learn and a good team player.
EDUCATIONAL QUALIFICATION:
●Bachelor of technology in Computer Science.
●Masters of Science in Computer Science.
TECHNICAL SKILLS:
Operating Systems
IBM AIX (4.3, 5.1, 5.2, 5.3, 6.1, 7.1), Linux (RedHat 5.x 6.x, SUSE), Sun Solaris 2.5/2.6/7.0/8.0.9, HP-UX li Windows 3/00/NT4.0.
Hardware
IBM RS/6000, IBM p-Series, IBM blade servers (HS20, HS21, HS40) V80 V800 and V3800, IBM PCs, SCSI and IDE architectures, and backup DLT tape drives.
Application Servers/ Web Servers
Web Sphere Application Server 3.5/4.0/5.0, WebLogic4.x/6.x, Netscape Application Server2.1, HTTP Server1.3/1.2, Netscape Enterprise Server, IIS 4.0/5.0, MQ Series, Apache.
Networking
Programming Languages
TCP/IP, DNS, SSH, DHCP, Cisco Routers/Switches, and LAN.
JavaScript, HTML, C, Python, Bash, Perl and Shell programming.
Tools
HACMP, Veritas Volume Manager, Veritas Net backup, Veritas File System, ECC/Ionix, MSCS, Web/App Servers IBM WebSphere 3.5/4.0/5.0.
CAREER SNAPSHOT:
Clients: First Data Corporation & MetLife Dallas, TX (Through VTG) Feb 2017 - Present
Role: AIX/UNIX System Administrator.
Responsibilities:
Preforming Host-Based Migration on AIX Servers in the environment of VSCSI and NPIV setup.
Migration of boot LUNS for AIX Servers. Performed LPAR mobility test for Severs.
Working on Power Path Migration Enabler for Migration.
Working on SAP applications and building the servers.
Installing EMC ODM file sets on AIX Servers. Installed and Cleaned up AIX ODM definitions.
Runs EMC grab reports to collect the host logs and upload it in ftp site.
Responsible for Host based migration and Storage virtualization.
Mainly worked on PPME for Migration of Aix Servers.
Troubleshoot Power Path san issues with AIX and multipathing software.
Migrated Power HA from 5.x to 6.1 using different methods to reduce the downtime to the application.
Performing fail-over, fall back between the HA cluster nodes.
Troubleshooting the POWER HA and increasing the filesystem in HACMP/POWER HA cluster.
Hardware replacement of cluster nodes without any downtime.
Involved in migration of Physical to virtual servers (P2V) and virtual to virtual servers (V2V).
Supported the VCS cluster server running SAP and DB2 applications.
Daily administration activities of the environment.
Performing change management in the environment in accordance with the Customer's change management policies.
Assisting in preparation for host based migration tasks.
Preparing host equipment for any storage projects when applicable.
Perform system tasks associated with VMAX to VPLEX migrations, server configuration compliance, and operations management.
Coordinate with the Unix Operational team and Storage Operations team to assist with VMAX Migrations
Work with VxVM, LVM, PPE, and multiple Unix environments to report on risk assessment of migration
Collect EMC Grabs/EMC Reports and coordinate with team to define remediation process
Sharing ownership of operational responsibility for systems administration at the Customer site(s) with the Storage/Infrastructure Manager.
Assisting in preparation for host based migration tasks.
Preparing host equipment for any storage projects when applicable.
Linux and UNIX infrastructure design and management.
Monitored the systems and administered Servers for day-to-day problems, patches, user administration, and hardware failure, monitoring log files, backup, and software up gradation, configuration changes and documentation.
Client: Bunge North America, St. Louis, MO Nov 2016 – Jan 2017
Role: Solution Architect - PPME/AIX/IBM
Responsibilities:
Troubleshoot Power Path san issues with AIX and multipathing software.
Preforming Host-Based Migration on AIX Servers in the environment of VSCSI and NPIV setup.
Migration of boot LUNS for AIX Servers. Performed LPAR mobility test for Severs.
Working on Power Path Migration Enabler for Migration.
Working on SAP applications and building the servers.
Installing EMC ODM file sets on AIX Servers. Installed and Cleaned up AIX ODM definitions.
Runs EMC grab reports to collect the host logs and upload it in ftp site.
Responsible for Host based migration and Storage virtualization.
Mainly worked on PPME for Migration of Aix Servers.
Client: PNC Financial Services, Cleveland, OH Sep 2015 – Oct 2016
Role: AIX/UNIX Administrator.
Functioned as primary AIX/Unix administrator and systems engineer to maintain system services and performance – Planned and executed AIX/Unix system changes and upgrades.
Responsibilities:
Installing INVISTA ODM filesets on AIX Servers. Installed and Cleaned up AIX ODM definitions.
Runs EMC grab reports to collect the host logs and upload it in ftp site.
Migration of boot LUNS for AIX Servers. Performed LPAR mobility test for Severs.
Working on VPLEX Encapsulation for Migration.
Working on fabric masking and zoning views, both Powerpath5.5 and MPIO driver specific to VPLEX devices.
Working on remediation of AIX Servers.
Preforming Host-Based Migration on AIX Servers in the environment of VSCSI and NPIV setup.
Working on AIX VIO migration strategy ingests to ViPR, encapsulate under VPLEX and application will need to take the outage for this activity.
Data Migration will be done using VPLEX data mobility.
Troubleshoot PowerPath san issues with AIX and multipathing software
For Migration VIO server/client boot volumes, we will have ViPR export brand new VPLEX volumes to the VIO Server clusters.
Working on CA Clarity PPM of storage renewal stay healthy and to refresh obsolete storage technologies with newer technology that conforms to PNC storage standards.
Installing and configuring VIO Servers, building LPAR clients and sharing I/O devices to LPAR’s.
Installation & configuring of PowerHA 6.1.
Configuration management including the building of LPAR’s using HMC, LVM and configuring the hardware devices to support them.
Involved in migration of Physical to virtual servers (P2V) and virtual to virtual servers (V2V).
VIO Server operations, creating virtual adapters and configuring Ethernet or LUNs to LPAR’s and performing other troubleshooting techniques. Creating ether channel with link aggregation etc.
Administered the UNIX System for clustered AIX Servers running HACMP and DLPAR’s with fiber attached SAN storage.
Worked as a lead infrastructure engineer to execute and oversee the implementation of various Unix/Linux/AIX projects.
Linux and UNIX infrastructure design and management.
Monitored the systems and administered Servers for day-to-day problems, patches, user administration, and hardware failure, monitoring log files, backup, and software up gradation, configuration changes and documentation.
Upgrades of HACMP clusters, power ha 7.1.2standard edition and power ha 7.1.2 enterprise edition.
Migrating HACMP versions 5.1 and PowerHA 6.1 to new version.
HyperSwap active and active passive criteria, usage of tiebreaker disks to avoid cluster partitioning, data replication between two data centers.
Was part of multiple POWER8 (p870) CECs built and Go-Live processes?
Build countless VIOS and LPAR’s on p-series p550, p570, p590, and p780.
Installed and build from scratch complete NIM Setup. Added different clients to NIM server and their Backup
Responsible for Host based migration and Storage virtualization
Installed Veritas Volume Manager, VCS Cluster Server for fail-over and for mirroring and raid level configurations on EMC storage frames.
Perl development to interact with LDAP (AD) servers to query & modify person, host & Netgroup data.
Building software packages on Red Hat Linux (RPM)
Provided support for UNIX infrastructure, both in-hours & out of hours on call, dealing with performance, resource, software and operating system issues.
Installed, upgraded and configured SUN Solaris 9/10 on Sun Servers using Jumpstart and Red hat Enterprise Linux 5/6 using Kickstart.
Built POWERHA 6.1 clusters and migrated servers with AIX 6.1
Migration method SAN disk rezoning via VIO or NPIV
Configured SAN Storage for AIX Servers.
Experience in dual VIOS VSCSI mapping and NPIV mapping.
Provided virtualization support using Red Hat’s KVM platform to manage virtual hosts.
Installation of RHEL on IBM Blade Servers HS21 and JS22
Day to day support and troubleshooting of RHEL
Client: Only IT Consulting, Hoffman Estates, IL Sep 2014 – Aug 2015
Role: AIX/Linux Administrator.
Worked as an AIX Administrator where primary task was to set up the data center and install the AIX servers.
Responsibilities:
●Responsible for drafting out the plan for the datacenter, cabling the AIX power frames and RS 6000, HP and Dell servers.
●Provided support for LINUX infrastructure, both in-hours & out of hours on call, dealing with performance, resource, software and operating system issues
●Installing the AIX 5.1, 6.1 and patching at the required times.
●Building up of the NIM server, Kickstart server and developed a script which takes the MKSYSB of all the AIX servers and storing it on the NIM server.
●Setting up the HMC and creating LPAR’s, creating VIO servers.
●Taking care of the day-to-day issues like networking, performance, storage.
●Experience in Logical Volume Management (LVM VXVM) and with new storage allocation and configuration.
Client: Only IT Consulting, Hyderabad, India Jan 2012 – Apr 2013
Role: Unix/AIX Administrator.
Responsibilities:
Worked with 100+ IBM servers such as IBM RS/6000, p670, p5-570, p5-595 servers running AIX 4.3.3, 5.1, 5.2 and 5.3.
Setup and configured TCP/IP network on LINUX and AIX.
Worked with implementation team of high availability cluster on IBM RS/6000 platform (HACMP for AIX).
Created LPARS and configuration of DLPAR scripts for load sharing.
Installed and configured network services such NFS, NIS and DNS Server.
Added physical volumes, creation Volume groups, File systems, Storage allocation, Cron jobs, maintenance levels upgrades and applied Fixes for AIX 5.x.
Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
Worked in the migration team for migration from AIX 4.3.3, 5.1 to 5.2 and 5.3.
Configured backup/archive policies using Tivoli Storage Manager.
Modified Korn and Bourne shell scripts in order to automate administration tasks like customizing user environment and performance monitoring.
Performed routine checks on nodes by monitoring Syslogd and error logs for system and hardware errors.
Installed, upgraded and configured Red Hat Linux ES 4.x/5.x using Kick-start installation.
Setup Cron jobs schedules for various backup and monitoring tasks. Supported with enterprise backups using VERITAS NetBackup version4.5.
Installed, configured and administered WebSphere Application Server 4.x/5.0.
Installed/Administered of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client’s requirement.
Performed extensive Logical Volume Management (LVM) tasks.
Installed and configured Sudo for users to access the root privileges.
Installed application connectivity software to enable IBM print services. Configured and administered firewall rules, including the use of SNORT, NMAP to effectively monitor system files, port security, and network traffic activity coming through the firewall.
Developed Korn and Bash shell-scripts to automate routine activities.
Installed and set up Oracle9i on Linux for the development team.
Date: (Samanth Reddy Mudhireddy).
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