Engineer

SUMMARY:

Around **+ years of IT industry experience as System Engineer and Architect and have supported various applications and databases on AIX, Red Hat Linux, Solaris, HP-UX and multi-server environments.

Having 4 years of experience as Cloud (AWS, Azure) DevOps Engineer

Experienced in using Various Devops tools like Opsware, Ansible, and Salt Stack for Orchestration and configuration management.

Experience on source code management tool with GIT

Experience on continuous integration (CI) and continuous delivery (CD) using Jenkins.

Created the Continuous Integration and Continuous Deployments using Azure Devops Pipelines.

Extensively used Maven tool to do the builds, integrated Maven with Jenkins.

Installing Ansible from scratch and configuring according to the node requirements.

Good in writing playbooks and uploaded them to Ansible-Server.

Experience on Ansible master and nodes setup with password less authentication

Built and customised Docker images as per requirement using Docker files.

Working on orchestrating Docker containers with Kubernetes.

Hands on experience implemented AWS CLI, CLOUD FORMATION TEMPLATES.

Involved in designing and deploying a multiple applications utilizing almost all of the AWS stack (Including EC2, load balancer, S3, IAM, Code Commit, Code Deploy,Code Pipeline) focusing on high-availability and auto-scaling.

Working on AWS cloud service like EC2, ELB, VPC, S3, IAM, Cloud Watch, Auto Scaling .

Experience in Creating of virtual networks and subnets using Azure VNET, Express route, Traffic Manager.

Configuring and managing Azure Storage Accounts (File, Table, Blob, Queue), Azure Storage explorer, Managed disks.

Hands on experience in realizing architecture using Azure CLI.

Involved in creating and managing VM Scale set, Azure load balancer

Moderate knowledge about ARM template creation.

Ability to work between multiple projects and priorities while maintaining a high level of responsiveness. This requires the ability to track, manage, and execute on a large number of competing activities.

Experienced in Docker and Kubernetes Container Technologies.

Experienced in providing the end to end solutions on datacenter technologies including AIX, PowerVM, Linux, VMware, windows hardware platforms.

Experienced using PowerVC and deploying systems using the same.

Experienced with SQL, Oracle, DB2 and Mongo DB.

Experienced in installing SQL servers on the Linux servers.

Performed installation of RHEL Versions the IBM blades (HS20’s, HS21’s, Hs40’s), X series,and on Dell Power Edge servers (1950,2950,2900)servers either by ISO boot or PXE boot using the kick start server.

Experienced in providing the High Availability solutions for various applications and databases and set up the systems with high scalability to meet there growing day to day needs.

Extensive experience in installing, configuring, maintaining, design, development, implementation, and support on IBM AIX 4.3.x/5.1/5.2,5.3/6.1/7.1/7.2 RHEL 3.3/3.9/4.4/4.5/5.2/5.4/6.2/6.4/7.X, NIM, NFS, TSM, Legato, Oracle RAC,OCFS, ASM,HP-UX 11i operating environments..

Experienced in providing SME support to AIX and Linux teams and resolve complex day to day performance issues along with other Network and SAN related issues.

Experienced in identifying the bottleneck at the complete IO stack on the server and Network side and provide recommendations to fix them. .

IBM Power VM/Vmware experience including setup and management of VIO partitions and performance tuning on Power and X86 Hardware.

Experienced in implementing Shared Processor Pools and Active memory Expansion on the Power servers.

Responsible for NIM installation, setting up NIM servers. Defined Nim clients on Nim master server, and defined resources and experienced using Kick Start servers and perform ISO and PXE boot installations.

Experience in connecting to an EMC disk subsystem with PowerPath and MPIO multipathing software.

Configured and Administered VCS 5.0 and 5.1 and 6.0.1 on AIX, Linux Servers.

Configured and Administered HACMP 4.5, 5.1, 5.2, 5.3, 5.4, 5.5, 6.1 IBM PowerHA.

Hands on experience in developing, deploying, implementing, testing and support of full life cycle implementations of various J2EE/Internet/Intranet and distributed applications

Installed JBOSS on Linux RHEL 6.X and 7.x

Web Sphere, Apache, and Tomcat, Jobs and Active MQ installation and configuration.

Extensive Experience in supporting applications on WebSphere Application server.

Created backup and restored backups for the AIX and Linux servers.

Perform shell and Python scripting as needed to support integration and automation as necessary.

Extensively experienced in Updating and Upgrading HMC’s in the environment and also upgrading the Firmware on various hardware.

Extensively experienced in using satellite server for installations, applying build updates and getting updated information from the RHEL server.

Experience in loading Linux on the servers (Both X series and IBM blades) Using ISO boot method or PXE boot method

Extensively experienced in applying build updates to RHEL (3.3, 3.9, 4.3, 4.4, 4.5, 5.2, 6.2,6.4 ) servers, and applied build updates to the kickstart servers.

Strong appetite for learning new technologies with positive attitude.

Experienced in VMWare ES3.x/ES4.x ESX environments

Education:

Master’s in computer science

Fiserv, Dallas, TX July 2019-November2020

AIX/Cloud Engineer

Experienced in Supporting AIX 5.3/6.1/7.1 and 7.2 LPAR’s on Power5/6/7/8/9

Experienced in using BigFix for Patching and Performing Big FIX upgrades and patches.

Experienced in using the HPSA Opsware and Chef for configuration management and automation.

Experienced in Supporting RHEL 5/6/7/8 systems and performed in place upgrades.

Experienced in managing and administering Windows Systems.

Experienced in Setting up and managing PowerHA and Oracle RAC clusters.

Experienced with Patching Linux machines using Yum repository.

Responsible for setting AIX and Linux standards on Power and x86 hardware.

Certification of new server models, operating systems and their configurations.

Experienced in using the GitHub for managing the scripts.

Experienced in performing Server based storage migrations.

Experienced in performing the LPM between Power7/8 and Power9 systems.

Experienced in using LPM tool kit and also HMC and performing the LPM’s

Experienced in troubleshooting the complex issues on AIX and Linux systems.

Experienced in Hardware refresh for both AIX and Linux systems.

First Data, Atlanta, GA March 2010-June 2019

AIX Linux Systems/Devops/Cloud Engineer

Responsible for continuous Integration (CI) and continuous Delivery (CD) using Jenkins.

Responsible for writing and management of Ansible playbooks.

Handled projects from compilation to delivery of applications

Work on Azure VMs cloud deployments using DevOps tools like Jenkins and Ansible.

Integrating Ansible playbooks with Jenkins.

Experience in creating environments in cloud provider AWS and Azure using Terraform.

Implementing for versioning of terraform modules.

Azure Monitoring to raise alerts for Infra failure.

Hands on experience in Creating of virtual networks and subnets using Azure VNET.

Configuring and managing Azure Storage Accounts, Azure Storage explorer, Managed disks

Ensuring the servers to withstand the load by configuring VMSS & Azure load balancer.

Create Custom Reports for capacity planning & future usage prediction, through EMC SRM

Experienced in conducting technical research and provide architectural solutions

Architected solutions for various data center migrations to cloud.

Worked closely with Automation teams and assisted with requirement gathering and automation

Experienced with Host based disk migrations on AIX and Linux servers. Used various ways to Migrate to New array without impacting IO performance.

Experienced in installing required ODM drivers and Multipathing software to support the host based storage migrations.

Experienced using PowerVC and deploying systems using the same.

Experienced in AWS services like EC2, VPC, S3, LB, AutoScalingGroups (ASG), EBS, RDS, IAM, CloudFormation, and Route 53.

Experienced in Creating S3 buckets in the AWS environment to store files.

Experienced in creating multiple VPC’s and public, private subnets as per requirement and distributed them as groups into various availability zones of the VPC.

Implemented automation using configuration management tools like HPSA Opsware and SaltStack.

Responsible for Software Configuration Management, Installing Software and maintaining the Build Environment using Ansible.

Responsible for Automating the Delivery Pipeline using Jenkins, Ansible to achieve Continuous Delivery.

Responsible for continuous Integration (CI) and continuous Delivery (CD) using Jenkins

Experienced on creating Jenkins master-slave for multi machine builds

Involved in delivering container-based deployments using Docker.

Experienced for writing and management of Ansible playbooks.

Experienced with Version Control System GIT.

Created Templates for AWS/Azure infrastructure as a code using Terraform to build staging and production environments.

Experienced in building the AIX 5.3 and AIX 7.1, 7.2 Golden images and deploying it in the production environment.

Experienced in managing disk quotas and applying RHEL Hardening Standards

Experienced in configuring Network Bonding on Linux systems

Experienced in troubleshooting the Resource constraint issues on Linux and AIX servers.

Provisioning AWS accounts for internal customers.

Architect solutions utilizing IBM Power Hardware, AIX versions and other IBM software such as PowerHA, PowerVC and IBM Lab Services tools.

Integration of Power and X86 automated system builds for new AIX and Linux deployments.

Experienced with Patching Linux machines using Yum repository.

Experienced with Building and Supporting the RHEL machines in Production Environments

Responsible for setting AIX and Linux standards on Power and x86 hardware.

Certification of new server models, operating systems and their configurations.

Experienced in tuning AIX/Linux systems for optimal performance.

Worked as tech lead to spear head migration projects of systems from Legacy to Cloud platforms and tuned systems on the cloud platform to attain the optimal performance.

Experienced in using Salt Stack for automation and installing minions and deploying the configuration changes on fleet of minions.

Experienced in working with application and database teams to understand the requirements and made recommendations on how the LPAR and LVM needs to be structured with the right amount of memory and CPU to get the maximum performance out of the system.

Experienced in implementing live partition mobility and Active memory expansion.

Experienced in setting up the Veritas VCS and POWER HA clusters and provide redundancy to applications and databases.

Experienced in automating the tasks using the shell scripts and deploying them on thousands of servers at a time.

Experienced leading a team working in a fast pace environment and resolving the complex issues as part of day to day troubleshooting.

Experienced in troubleshooting the complex performance issues on the servers and identifying the bottlenecks and provided the recommendations to fix those on the Oracle/Db2 Database servers and other application servers.

Experienced in designing the VLAN tagging configuration and load sharing mechanism to share the network traffic between the VIOS.

Experienced in documenting the standard hardware requirements for POWER7 (p750, p770) and installing AIX 6.1 and AIX 7.1 on POWER7/8/9 hardware.

Experienced in creating Logical partitions of VIO Servers and VIOClients on POWER7 p750 and p770 frames

Experienced in allocating SAN luns virtually to the VIO clients by creating Virtual disks/Virtual Target devices.

Experienced in configuring the WPAR’s into the clustering software and perform the failover.

Experienced in creating JFS2 and Namefs file systems as part of managing Standard and Versioned WPAR’s

Upgrade microcode of frame, fiber channel adapters etc.

Responsible for Installing Security fixes and APAR’s, patch the AIX and Linux servers.

Improve server utilization and sharing I/O resources to reduce total cost of ownership and make better use of IT assets using PowerVM (Advanced Power Virtualization).

Responsible for Auditing Server build’s, to ensure security compliance, and SOX compliance.

Experienced in Upgrading the Power Path and ODM drivers on VIO clients and Non VIO clients.

Experienced in managing IBM/EMC, XIV storage using the XIV utilities

Experienced in managing the disk paths using Multipathing software using MPIO and Power Path

Experienced in implementing active memory expansion.

Experienced in creating multiple shared processor pools and assigning servers to the shared processor pool.

Experience in writing Technical documentation

Provided 24X7 supports to ensure round the clock availability.

Experienced in installing the NetBackup and Networker client software and NetBackup Media server software on the Virtual and Physical machines and also troubleshoot the complex backup failing issues.

Discover Financial Services Riverwood’s, IL Dec ‘08 – January ‘10

Systems Engineer

24x7 Application Support of MyCARD & PULSE Applications.

Experienced in building of the new Oracle RAC servers with the RHEL 5.2 OS. This was the 6-node cluster.

DataStage Installation: Performed the DataStage engine install and DataStage service install.

AIX TL8, Power path, System Firmware, and Legato upgrade: This project includes TL8, Power path, system Firmware, and Legato upgrade of 450 AIX servers. Upgraded Legato to V7.4.3 and EMC ODM drivers to 5.3.0.0.

Experienced in Server build and administration of the IBM P520, P550, 9117-MMA, P570P750,P770, X series servers (3850’s 3650’s) and the IBM blades HS20, HS21, HS40 servers.

Experienced in installation configuration, Management, Maintenance and Systems Development of AIX and Linux Systems.

Experienced in building and installing the 4.0 Pack2, Pack 3 VMware ESX servers and configure them.

Experienced in creating the local, SAN, iscsi and NFS storage pools and provided the storage to the virtual clients.

Experienced in setting up the virtual switch and Virtual networking on ESX servers

Experienced in creating and using the snap shots.

Extensively experienced in using satellite server for installations, applying build updates and getting updated information from the RHEL server.

Created custom packages and channels and staged them on RHN satellite server database so that they can be used when the client systems requests package updates, and only the applicable packages for the clients are returned.

Applied build updates to the RHEL (5.X/4.X/3.X) servers.

Applied build updates to the RHEL kickstart server

Experienced in using the yum repository for the install and updated on RHEL servers.

Installed / Updated and Configured Discover proprietary applications

Applied patches to internal applications.

Coordinate with Application, Database and AD teams’ best time to schedule the Change (ECM) so that there is no client or customer impact.

24x7 On Call support for PULSE Integrated Processing Application

Troubleshooting installation and deployment issues encountered by application developers while installing PULSE Integrated Processing Application

Installed / Updated and Configured MYCard, A proprietary application of Discover on AIX 5.3 and RHEL 4.5, 5.2 Servers.

Upgrading HMC version from 6.x to 7.3.4 and 7.3.4 to V7R4 SP 0(7.4.0.0) and applying efix.

Package, build, integrate and deploy enterprise J2EE applications on WebSphere 7.0.3 that involves EAR, JAR, and WAR files.

Setup of HACMP Clusters from the scratch including day-to-day support maintenance and troubleshooting

Performed changes to existing HACMP Cluster and start/stop of cluster application

Configured 4.1TB and 3.2 TB of EMC SAN Storage for HACMP Cluster nodes and extended physical volumes on VG’s and increased filesystem sizes

Configured storage in both Standalone and in HACMP Cluster scenario i.e, configuring SAN Storage as shared between the nodes in the cluster

Extensively used HACMP – CSPOC to create VG’s, LV’s, Filesystems and Managed HACMP Services

Extensively worked on setting up of HACMP 5.1, 5.2 clusters including upgrading from 5.1, 5.2 to 5.4 versions and performed RGMOVE and failovers, starting up and shutting down of HACMP Cluster Application for change activities.

Managing Cron jobs, batch processing and job scheduling

Perform regular system administration tasks and perform troubleshooting in order to keep the UNIX/Linux environments running smoothly. Implement change management requests; resolve incident tickets through 'HP Service center' ticketing system. Complete UNIX/LINUX related projects on a timely manner.

Work closely with vendors, application teams and DBA's on capacity planning issues, application installs etc. Install Oracle RAC servers and work with the DBA's on database installations and perform system parameter tuning per vendor requirement.

Perform system backups (mksysb) and restores using NIM for AIX servers and Acronis backups and restores for RHEL servers. Perform backup and restoration of application data using Legato and TSM (Tivoli storage manager).

AIX Server build and administration of p590, 570, 550 RS6000 Servers, installing, configuring and maintaining Websphere Application Server, and IBM HTTP Server.

Responsible for Installation, Configuration Management, Maintenance and Systems Development of AIX, Linux and HP-UX Systems.

Creating Logical Partitions of VIOServers and VIOClients on every pSeries frame and assigning processor, memory and Ethernet adapters to VIOS and assigning memory and processor to VIOC (LPARS).

Responsible for creating sys plan using system management tool, and also deployed the sys plan on the HMC-V7

Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment

Provided on call primary support during nights, day, and weekends.

Configured and supported Logical Partitions/Micro Partitions (LPAR), via HMC (Hardware Management Console).

Installation configuration and testing of VIO Server with AIX 5.3 on client LPAR’s on 550, 570 and p590 models

Installed VIO server POWER Virtualization on IBM P6 & P5 System via Nim.

Created and maintained documentation for procedures, infrastructure modifications, additions, deletions and Root Cause Analysis for Tivoli Storage Manager Environment.

Knowledge of supporting large j2ee applications on AIX OS

Software installation, updating and troubleshooting on systems using NIM and media.

Synchronized the NIM clients with the NTP server.

Installation of Power Path and involved in Storage Area Network (SAN) administration.

Involved in the AIX TL8 upgrade, Powerpath, System Firmware and Legato upgrade

Upgraded Legato to V7.4.3.

Upgraded the EMC ODM drivers to 5.3.0.0

Responsible for taking system backups mksysb, mkcd, savevg and savevgcd also make system backup through NIM, making archives of files and folders and also responsible for taking acronis backups for the Linux systems.

Performed disk partitioning, Formatting and process monitoring on the Linux systems.

Administered the UNIX System for clustered AIX Servers running HACMP and dynamic LPARs with fiber attached SAN storage.

Solid understanding of RPM, building, maintaining, and installing packages.

Familiar with writing extensions for RPM, building virtual packages, and fixing dependency loops, and rebuilding RPM databases.

Create and manage software and hardware RAID’ed disks to improve fault tolerance and performance.

Installed the Symantec Critical System Protection software on the Linux and AIX systems by developing a script, and tested the communication of the client to the CSP server (Disabled the Selinux before the installation of CSP )

Responsible for Installation, upgradation,and configuring of HP-UX systems using Ignite server.

Experience in setup of the HP-UX servers ILO and LAN0 for HP-UX servers.

Used fcmsutil utility tool on HP-UX servers to manage SAN.

Created ASM disks for the Oracle RAC Cluster.

Experience in working on both PowerPath and Multipath software on AIX and Linux servers.

Experience in adding additional route besides the default route and also configured other interfaces besides primary network interface.

Extended SAN LUNS to VG’s in Vanilla and Cluster environment.

Configured Clarion storage on AIX, Linux, and Solaris systems.

Environment: IBM pSeries p550, p570, p590, AIX 5.3/5.2/5.1, VIOS 1.5.2.1, Oracle RAC, RHEL 3.3, 3.9, 4.3, 4.4, 4.5, 5.2, IBM blades (HS20’s, HS21’s, Hs40’s} and X series (3850’s and 3650’s)

Takeda Pharmaceuticals, Chicago, IL Jan 07 – Dec 08

UNIX Administrator

Responsibilities:

UNIX/AIX/SOLARIS system administrator for UNIX department, Design, install, configure and administer pSeries 4/5, entry to high end, midrange UNIX/Aix/Solaris servers (p640, p695, p5520, p520Q, p570, p570Q, p595, E10k,E15K, sun fire v440.sun firev490, enterprise) both manage and unmanaged by HMC. designing, installing, configuring and administering sun box, pseries LPAR’s, DLPAR’s and micro-partitions. Experience with DS4300 and DS4800 SAN storage, EMC and various RAID technologies, Administration and support for legacy Sunbox, Rs/6000 systems and OS.

Responsible for Installation, Configuration Management, Maintenance and Systems Development of AIX Systems.

Installed and build from scratch complete NIM Setup. Added different clients to NIM server and their Backup.

Installed VIO server Advanced POWER Virtualization on IBM P5 System. Assigned resources by making six partitions LPAR client of VIO server and clients Installation.

Responsible for performance tuning of AIX

Responsible for creating maintaining and managing LPARS, LPARS and VIO with HMC console

Supported SAP R/3 Implementation from Server side.

Single point of contact for SAP Team for all Server related changes/Requests

Performed VM Tuning on AIX Platform for SAP Installation

Created many filesystems, Logical volumes and Volume groups and allocated SAN Storage for SAP Servers

Supporting & Troubleshooting server related issues for SAP Group.

Created SAP Server(LPARS) & Database Server LPARs for SAP Group

Performance tuning for SAP Servers and Oracle DB Servers to enhance performance of SAP, changed Memory settings, Increased Virtual Memory, Changed Processor from Shared to Dedicated and uncapped to Capped.

Assigned more processors for SAP Server & DB Servers

Backup and Restore of mksysb Images on DVD and tape devices.

Scheduled Backup of HMC on DVD’s and Restored HMC from its backup.

Build and configured new HMC from Scratch. Updated HMC from version 5.1 to 5.2 and 6.1.2 and installed specific fixes.

Restore of oracle instance and worked with Oracle team for Oracle installation and Building Oracle Cluster.

Installation and configuration of New Managed Systems making them whole single partition or with Different partitions.

Day to day System Administration tasks recovering failed hardware and software problems. Monitoring the errors configuring syslogd daemons and working on led error on different boxes..

Troubleshooting networking and hardware failure.

HACMP upgrade from v4.5 to 5.1 and then 5.1 to 5.2 configured HACMP cluster to keep applications running.

Configured HACMP clusters for database on P595 and regularly contacting IBM to solve critical HACMP related issues.

Administered the UNIX System for clustered AIX Servers running HACMP and dynamic LPARs with fiber attached SAN storage.

HACMP upgrade from v4.5 to 5.1 and then 5.1 to 5.2 configured HACMP cluster to keep applications running.

Prepared script in ksh, to administer the system, Monitoring logs and meeting the requirements of Applicaions.

Updated Microcode Level of Managed system and Updated SCSI firmware level to solve the problem of SCSI devices.

West Corporation, Omaha, Nebraska Mar 2004 – Sep 05

(Offshore-Onsite Model Implementation)

UNIX Administrator

Responsibilities:

Administration, Support and Maintenance of pSeries p590 p570 p550 Servers and several RS/6000 using HMC.

Involved from Capacity planning to building the servers from the scratch and testing the environment before gearing up for development.

NTP Server configuration for new clients and synchronized the clients with NTP server.

Installation and configuration of Openssl enabled the trusted shell for oracle user between different boxes.

Provided system administration and operational support for UNIX AIX and Linux systems.

Involved Capacity planning & discussions with various vendors.

Experienced in Veritas Netbackup and Veritas Volume Manager.

Performed maintenance on AIX RS/6000 machines, such as tape and hard drive replacements, adding print queues, and making and changing logical volumes and file systems.

TSM installation and configuration on AIX 5.2/5.3. Upgrade of TSM 4.2 to 5.1

Install the required patches to the servers with the recommendation of hp support centre and Co-ordinate with change management.

WebSM Installation on Windows Clients to communicate with Managed Systems. Made document and enabling of HMC remote administration for trusted networks. Complete step to step document.

Installed and Configured IBM WebSphere Application Server 4.0/5.0/5.1/6.0/6.1 on AIX, Sun Solaris, Linux and Windows NT/2000/98/95 environment.

Installed and configured IBM HTTP Server 1.3.x/2.0.x/6.1 on AIX, Sun Solaris, Linux and Windows NT/2000/98/95 environment.

Extensively worked with LVM

Focused on increasing Performance, Scalability, Load Balancing, availability and Throughput by using Workload Management.

Environment: IBM AIX 5.1,5.3, Linux, Shell Scripting, IBM WebSphere Application Server 3.5.4/3.5.6/4.0/4.0.3/5.0.2, JBOSS, Veritas Netbackup, Oracle, UNIX (Solaris and Linux), Win2000, HACMP.

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