SUMMARY:

Highly adaptable UNIX Systems Administrator with over 12+ years of experience working with UNIX operating systems such as Red Hat Linux (RHEL), IBM AIX, OEL, HP - UX, Solaris, Windows and SAN in intranet and Internet environments, with an emphasis on uptime/reliability, Support in a 24/7 production environment.

SKILLS:

IBM AIX

Unix/Linux, Solaris

HP-UX, Unix/Linux (RHEL)

IBM Blade, Sun Solaris

Linix, SUN solaris, and HP-UX

HACMP

Shell Scripting, HMC, NIM

RHEL, VIO, EMC SAN

WebSphere, UNIX (HP-UX), RHEL 7.1/6.x/5.x

Solaris UNIX, HMC/ILO

HP/IBM Blades, Vmware

TEM/IBM BigFix

EXPERIENCE:

Confidential

Sr. Linux | AIX | DevOps Consultant

Responsibilities:

• Installation and setting up kubernetes cluster on AWS using KOPS/kubeadm and kubeadm on-perm.
• Installed and stepped dockers/containers, docker swarm on perm and cloud instances. Implemented AWS solutions using EC2, S3 Buckets, Security Groups and Elastic Load Balancer. RHEL Hadoop Sever builds using Kickstart method installation on Cisco UCS platform.
• Installed and stepped docker/containers on On-perm Linux and Cloud EC2 instances.
• Developed Playbooks for CM-CD via Ansible. Configured CI-CD Jenkins HA EFS, and Jenkins on-demod EC2/Docker slave. OS (AIX and RHEL) Version upgrades, and UNIX to Linux Migration. Involved actively in Hardware Provisioning and Software Application Migration.
• Working with Hardware vendors to replace various part(s) via break/fix change controls.
• Involved in Migration installation from AIX 6.1 to 7.1 using various methods.
• Security hardening Operating system level and Hardware level. AIX hdisk mirroring/un-mirroring, AIX and RHEL LVM and smitty/smit experience.
• Converted user accounts to LDAP from local on AIX and RHEL worked with IAM team. Identify and Fixing the OS level Security/vulnerabilities PCI SOX complaints.
• Up on the application migration completion decommissions HP-UX/AIX/Linux Servers. Managed Severs or deployed Code via Bigfix/IBM TEM (Tivoli End point Manager).
• Installed Ansible rpm’s on Linux servers, developed playbooks and deployed to clients.
• Install and Configured Big-fix (TEM) on to UNIX (AIX and RHEL) servers.
• Installation/configures, stop/start of application apache/HTTPD, Tomcat, java, oracle client.
• Involved/helped informatica team Installed/upgrade infomrtica 10.1 for the upgrade from 10.0 Installed/Images/running Dockers and Containers, Server builds for Jenkins/Jera/GitHub.
• Provided production support in an on-call L3 rotation in a 24x7 environment.

Confidential

Sr. UNIX Admin/Engineer

Responsibilities:

• Designing and configuring of large AIX systems (p7, p6), Building PowerVM Servers LPRAS, VIO Client LPARS installed VIOS 2.3, AIX 7.1/6.1 and RHEL 5.4 Scratch build of Virtual and Physical Linux servers on VMWARE ESX 4, ESXi 5, vSphere 4, vCenter and HP - DL380 G5/G6/G8p2, 580 G5/G7, DELL R710/720 and 920.
• Experience with creating the VSCSI (Vistula SCSI adapters) and SEA (Shared Ethernet Adapter). Worked on installation, applied patches/file sets, fix packs, rpm s, YUM, security fixes, troubleshooting, on AIX 7.1/6.1 and RHEL 5.4
• Actively involved in conducting server assessments, finalizing requirements, capturing pre-assessment information of server, hosted applications and sizing the servers with the help of the performance teams.
• Worked extensively with VMWARE Team in identifying 1G Host Groups and migrating all the Virtual server under scope to 10G Host Groups.
• Installed, administered and configured puppet servers.
• Configured puppet to handle multiple classes associated to Kernel Configurations, NTP configurations, Fie System setup and other automation tasks.
• Deployed puppet onto 1000+ Enterprise servers and troubleshoot issues related puppet certs and puppet agents.
• Gained experience in GIT configuration and managed code versions effectively
• Installation, up gradation, migration from UNIX (HP-UX/AIX/Solaris) to Red Hat Linux.
• Installation, configure, stop and start the IBM AIX, Red Hat Linux servers for the application Filenet-Imaging Services, Tomcat, apache, and Web logic.
• Migration of various applications (WebSphere, sap) and data bases (Oracle, DBA db2, MYSQL) from UNIX to LINUX.

Confidential

Sr. AIX|Linux Admin

Responsibilities:

• Designing and configuring of large AIX systems (p7, p6), Building VIO Servers LPRAS, VIO Client LPARS installed VIOS 2.3, AIX 6.1/5.3 and Redhat Linux 5.4
• Applied patches/file sets, fix packs, rpm s, security fixes on AIX 6.1/5.3 and Redhat Linux. Installation, upgradation, migration from Unix/HP - UX/AIX to Red Hat Linux.
• Installation/configures, UNIX Servers for the application Tomcat, apache, Web logic.
• Creating the VSCSI (Vistula SCSI adapters) and SEA (Shared Ethernet Adapter).
• Installed the TSM (TIM/ITIM) IBM Tivoli Identity manager on AIX 6.1/5.3 servers.
• Installed the Tera data and Java patches and granted the privileges to the users, incremental backups using netapp storage.
• Administration and troubleshooting HACMP Cluster Environment and Failover and fall back test on mutual takeover and rotating HACMP Environment.
• Build, Install and configure 2 nodes GPFS High Availability Cluster and Filesystems.
• Performed Change Management, Problem Management.
• Provided production support in an on-call rotation in a 24x7 environment.

Confidential

Sr. UNIX/AIX Systems Administrator

Responsibilities:

• Worked on Special Project SAN switch migration from CISCO to BROCADE switches.
• Configured and managed Dual VIO Server and VIO Client LPARS on Power6 (p595, p590) Hardware platforms through HMC V7.R3, HMC V6 and HMC V5.
• Involved in Developing and design process of infrastructure change from CISCO to BROCADE switch migration.
• Backup the VIO Servers to the NIM and Upgrade 20 Virtual I/O (VIOS) from (1.3.x - 1.5.2.1) and IBM EMC SAN (Symmetrix and Clariion) ODM (5.3.0.0 - 5.3.0.1 ) and Powerpath (4.5.3-b011 - 5.1.1) in dual LPAR Environment on p670, p650, p595 and p590 and SUN SPARC machines.
• Worked on Virtual I/O (VIO) Clients for cleaning up the missing disks and failed paths up on the VIOS upgrade.
• Ether Channel reconfiguration for fixing of the primary and back up miss configuration.
• Efficient use and managing the LPARS/DLPARS on p6, p5 using HMC V7R3 and HMC V6.
• Experienced with AIX Server Automation/Job Automation and Datacenter automation tools.
• Worked on EMC grab collection and patching/file sets, packages, security fixes and ML upgrades on AIX 5.3/5.2 and Solaris 10/9/8 on PSeries p595, p590, p570, p650, p630 and SUN SPARC Hardware.
• Installed AIX and performed the OS upgrade flawlessly updating the existing applications and adding new ones without incident.
• Experienced on creating volume groups, logical volumes and file systems on SAN-NetApps environment.
• Attended the Meeting with SAN Team to discuss about the upcoming SAN switch migration.
• Provided 24x7 Production support and offshore support (Level-3 support) for server administration, and automation solutions to support business objectives in IT infrastructure environment.Environment: Auto and Financial (1000 plus UNIX Servers), IBM pSeries (p670, p650, p630, p595, p590, p570, p550 and p520), RS/6000, AIX 6.1/5.3/5.2, Solaris 10/9/8 Websphere V6.1/5.1, IBM HTTP server, App Server, Oracle RAC, DB2 ESE, and SAP.

Confidential

Jr. System Administrator

Responsibilities:

• Install and manage several IBM RS/6000 AIX, Solaris, Linux systems, which include user management, disk management, file system management, Daily Backup and Restore operations, test, development and production.
• Software and Hardware upgrades of AIX 5.1/4.3.3, Solaris 9/8, and RHEL 4/3 Servers.
• Created disk groups, volumes, volume groups and RAID using VERITAS Volume Manager.
• Attend weekly change management meeting and suggest various changes.
• Assist in the setup of a Web development environment on AIX, Solaris, and LINUX platform.
• Configured TCP/IP for servers and workstations and setup of complete network.
• Performed maintenance on AIX RS/6000 machines, such as tape and hard drive replacements, make and change logical volumes and file systems.
• Performed change management, Problem Management, data backups (mksysb, savevg), cloning and user s logon support.
• Performed the daily system administration tasks like managing system resources, writing scripts, and end users support, operations and security.
• Provided round the clock On - Call Support in debugging and fixing issues related to AIX, Red Hat Linux and Solaris.
• Created Jumpstart image for Solaris 9/10 and configured new Linux and Windows servers
• System administration tasks on AIX, Linux environment in Oracle Internal Servers.