PROFESSIONAL EXPERIENCE

Confidential, Dallas, TX

DevOps/AWS Consultant

Responsibilities:

• Worked alongside the development team, building and managing the development tools, including Continuous Integration systems, and automated/manual testing environments. Coordinate with the Development, Database Administration, QA, and IT Operations teams to ensure there are no resource conflicts.
• Involved in replacing a WebDAV object store with Ceph Object Gateway.
• Interacted with client teams to understand client deployment requests.
• Drive the DevOps organization to shift towards comprehensive automation, proactive, and preventative services, from design through to on the ground implementation
• Worked on Mysql/Percona DB, RabbitMQ,Ceph, Repose, HAProxy and Horizon.
• Worked closely with Project Managers to understand a code/configuration release scope and how to confirm a release was successful. Alongside the operations tasks I worked with the development team to improve the platform and build new features
• Implemented continuous integration using Jenkins and configuration management tools Chef, Puppet
• Created automation tool usingAnthillproof daily weekly quarterly admin activities, build, patch and package tasks usingAnthillPro. Created repositories according the structure required with branches, tags and trunks.
• Attended sprint planning sessions and daily sprint stand - up meetings. Configured application servers (JBOSS) to deploy the code.
• Configuredcephbackend storage for OpenStack (swift and cinder) and added Multiple storage backends to Cinder.
• Used sub modules in the GIT and educated users working with sub modules in GIT. Configured plug-in for the integration tools to the version control tools. Worked with the developers to configure plug-in troughEclipseto develop the code.
• Responsible for writing Hooks and Triggers using Perl. Built Java application using ANT. Deployed tools like Puppet. Developed unit and functional tests in Python and Ruby.
• Developed and maintained Perl/Shell scripts for build and release tasks. Extensively used ANT tool to do the builds, integrated ANT to Eclipse and did local builds.
• Integrated Maven with Jenkins for the builds as the Continuous Integration process. Involved in Upgrade of Bamboo & Artifactory Server.
• Managed and document all post deployment issues utilizing the Post Deployments Issue Log.
• Worked in building Object Oriented applications using Java, writing Shell Scripts and Perl Scripts on Linux Platform and PowerShell in windows platform
• Worked with configuration management tool CHEF and created CHEF cookbooks using recipes to automate system operations
• Organized a daily stand-up meeting to review all issues being tracked. Ensure every issue has an owner and that it is resolved while capturing the specific details about the issue, resolution, and which organizations and individuals provided the resolution.
• Created S3 buckets and also managing policies for S3 buckets and Utilized S3 bucket and Glacier for storage and backup of the data in AWS, managed bucket logins and lifecycle configurations with and without versioning.
• Design EC2 instance architecture to meet high availability application architecture and security parameters. Focus on continuous integration and deployment, promoting Enterprise Solutions to target environments with AMI’s.
• Configuring Virtual Private Cloud (VPC), security groups to integrate with internet gateway and create access through internet. Create instances of DB and web services and assign to necessary security groups
• Develop Cloud Formation scripts to automate EC2 instances and created Cloud formation templates and deployed AWS resources using it.
• Creating Cloud watch alerts for instances and using them in Auto scaling launch configurations.
• Created RDS instances MySQL, DynamoDB using multi AZ deployment, configured replicas and snapshots and scheduled backups.
• Connecting the instances EC2, DB instances and created table space. Creating Cloud watch alerts for instances and using them in Auto scaling launch configurations
• Documented all post-deployment issues in a log and assist in resolving these issues where applicable, maintaining timely updates within the log. Manual and Automation process of creating branches tags and code merging
• Ensured all steps are successfully completed and document their completion times and issue logs.

Confidential, Austin, TX

Devops Engineer/ Cloud Engineer

Responsibilities:

• Installed, configured and administered the Red Hat 5, 6 and 7 using the kickstart process.
• Worked on Open Daylight as SDN controller andCephas SDS in OpenStack.
• Updated and documented the Red Hat Satellite 5 for RHEL 5, 6 and 7 patch process and custom rpm channel.
• Installed, configured, documented and administered Red Hat Satellite 6 for RHEL 5, 6 and 7 for Red Hat OpenShift environment.
• ImplementedCephStorage Cluster to provide storage for OpenStack services like Glance (Image Service), Cinder(Block Storage), Nova(Virtual disk images).
• Crated and documented the puppet modules like for mongodb installation and configuration process during the RHEL provisioning via Foreman. Worked with mongodb DBA so that mongodb DBA can collaborate to update the configuration files and also would allow if the mongodb DBA needs updated version which needs to be upgraded by a specific environment.
• Fixed issues related toOpenStackcomponents such as Nova, Glance, Neutron, Key-stone, Mysql/Percona DB, RabbitMQ,Ceph, Repose, HAProxy and Horizon
• Created and documented the puppet modules, rpm for installation and configuration of applications; not only created puppet modules also contributed and collaborated to different puppet module via Atlassian Bitbucket (Git source control process).
• Written scripts to containerizeCephusing Dockers and orchestrate it using Kubernetes.
• Documented and updated the installation, configuration and build process via Atlassian Confluence or wiki pages. Also documented useful information and shared among the team and extend team via confluence or wiki pages.
• Mentored newest members in our team which had only Windows administrator experience so that they can handle day to day incident tickets and enhancement of configuration, installation, provisioning and documentation process for the UNIX (Solaris 9 and 10, Confidential -UX, Red Hat 5, 6 and 7) systems.
• Worked in agile delivery team and always kept up with the demand and provided solutions and finished task in timely fashion.
• Installed, configured, tested and documented POC for docker and drbd software.
• Provided RHEL 5, 6 and 7 compliance report to security.
• Took own initiatives to keep up with the Red Hat new technology via Webinar like containers, DevOps concept, Red Hat Satellite, OpenShift, OpenStack and Cloudforms.

Confidential, Hoffman Estate, IL

Cloud/Linux System Admin

Responsibilities:

• Responsible for Installation, Configuration, Support and troubleshooting existing systems in AIX 5.3, and 6.1operating environment, also Ubuntu 13.10 and Redhat 5/6.
• Installing and configuring integration tools Puppet/Chef/Jenkins and Dockers for the Open stack
• Creating images for Desktop users in Linux, and Windows
• Working knowledge of OpenStack and Puppet.
• Working with onsite SAN team for storage related requests.
• Communicating with different teams for change management
• Providing weekly reports to management.
• Working with outside vendors (EMC, IBM and Dell)

Confidential

Unix/AIX Admin

Responsibilities:

• This project was located with IBM at Hopewell Junction, NY
• Responsible for Installation, Configuration, Support and troubleshooting existing systems in AIX 5.3, 6.1 and 7.1 operating environment.
• Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment.
• Setting up NIM servers and clients for New & Complete Overwrite/Migration Installation management and Nimadm Upgrade.
• Performed various methods of AIX Installation/Migration using alternate disk installation (NIMADM), Network Installation Manager (NIM).
• Have upgraded servers from AIX 5.3 to 6.1 and 7.1.
• Experience with installing and upgrading powerpath, SYMCLI and ECC Master Agent.
• Responsible for implementing multi path i/o(MPIO) for high availability of application and data.
• Orchestrating automated de-provision of Clouds, Services and Virtual Machines.
• Orchestrating centralized management of the resource pool
• Responsible for testing a manual takeover configuration in a HACMP environment using clstat, clverify, etc., commands.
• Configuration management including the building of LPARs using HMC and configuring the hardware devices that support them.
• Worked on designing the virtual environment for the client. Also designed the production environment by segregating highly critical and low critical systems.
• Extensively used LVM - created VGs, LVs & disk mirroring for IBM p-series servers.
• Created and monitored Filesystems for multiple applications including SAP, DB2, MQ and others.
• Worked closely with IBM and DBA’s to insure that all critical security and application patches are installed and optimized.
• Created shell scripts to automate jobs.
• Experience in studying the kernel performance issues using various utilities like topas, vmstat, svmon and iostat.
• Responsible for backing up the system image “mksysb” and restoring them during the system recovery process.
• Capacity planning of disk space and hardware resources required for production and developments.
• Installed and configured Sudo for users to access the root privileges.
• Utilized the crontab utility to schedule various System admin tasks.
• Have performed network backup, restore and archiving of network clients using TSM.
• Have installed and configured Tivoli Monitoring Agent on AIX/LINUX.
• Strong Shell programming for application management, performance and security monitoring including their maintenance.
• Responsible for migrating and decommissioning of the system.
• 24x7 oncall support
• Performed DR twice a year.
• Participated in Real DR. Brought back 150 plus LPAR,s.

Confidential, CANTON, MI

Unix/AIX Administrator

Responsibilities:

• Hardware Maintenance and System Administration of existing P505, P570 running AIX (1000+ systems in Network). and over 8000 blade servers comprising of JS21, JS12, HS21 & HS22 Servers
• Created users, manage user permissions, maintain User & File System quota.
• Performed Maintenance level upgrades of over 4000 servers from AIX 5.2-08 to 5.2-10 and AIX 5.3-05 to 5.3-08. Performed TL/Firmware upgrade on all AIX servers in the chain to AIX 5.3 TL 12 Level.
• Was Involved in Planning and installing over 1000 Virtualization servers to support clients Pharmacy servers, Smart servers, TSM servers and PICS servers.
• Setup of full networking services and protocols including NIS/NFS, DNS, SSH, DHCP, TCP/IP to insure optimal networking, application.
• Experience in Administration Concepts such as Virtualization and logical partitioning of CPU, HMC usage, Workload Manager.
• Successfully Un-migrated Client data From N 00 and EMC storage Solution to then internal drives of the Pharmacy and Smart Servers in over 1000 Wal-Mart Stores, Which was a precursor for the Virtualization Project.
• Migrate application and other software modifications from the development environment to production. Was involved in migrating all of the data and applications from JS20 blades to JS21 blades. (The environment was a very large one containing more than 3000 blade centers in US alone) and provide support of these servers in production environment.
• Was involved in planning of and executing migration of over 500 Confidential servers running Confidential -UX to IBM J21 blades running AIX v 5.3 and 200 NCR servers to IBM J21 blades running AIX v 5.3.
• Migration of INFORMIX Dynamic Database v10 installed on UNIX system V version 4 on NCR (S50) to AIX 5.3 installed on IBM blade centers(JS20 &JS21)
• NIM installation of AIX 5.3 on IBM blade servers from NIM master server.
• Upgraded Suse Linux SLES 10 SP2 to SLES 10 SP3 on over 1000 Linux Servers Running on IBM HS22 Blade Servers
• Monitoring Virtual Severs Using XEN Commands like CRM MON, xm list Etc
• Remodeling of Network Parameters like Vlans based on the Store Requirements and New Policies Setup By Client.
• Testing and installation of various patches (Fix Packs) on the servers to solve the problems encountered by the applications running on the servers.
• Extensive use of LVM, creating Volume Groups, Logical volumes, and disk mirroring
• Experience working on Wal-Mart data centers in NAS (Network Area Storage) environment.
• Configuring and upgrading firmware of CISCO/Nortel switches available within blade centers. Handling and troubleshooting issues related to CISCO/Nortel switches during database migrations.

Confidential, CHICAGO, IL

AIX System Administrator

Responsibilities:

• Data Warehousing and System Backup using tar, cpio for local systems and Veritas Netbackup for enterprise wide backup and recovery and to centrally manage storage resources through a single console.
• Installation/administration of AIX, Linux, Solaris, and NT/2000 Servers on a LAN, setting up optimal RAID levels (fault tolerance) for protected data storage in NAS environments. Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers.
• Setup network printers and installed client/server applications. Define/setup network protocols, Network File Services (NFS), and Network Information Services (NIS).
• Network management of TCP/IP networks, IP address management.
• Performing upgrades of OS and applications.
• Korn & C shell scripting, mainly for scheduling jobs (CRONTAB)
• Inventory management for Software and Hardware.
• Tested products for evaluation purposes and documented for necessary changes required as per environment.
• Performed daily backups, restoration of data as per requests from developers.
• Configured SSH for secure telnet and FTP connections.
• Configured DNS, LDAP, I-planet, Apache HTTP servers
• Provided support by 24x7 shift rotation basis and pager support
• Performed User Account management, data backups, and users’ logon support
• Diagnosed hardware and software problems and provided solution to them
• Monitored trouble ticket queue to attend user and system calls
• Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment
• Updated data in inventory management package for Software and Hardware products.
• Worked with DBAs on installation of RDBMS database, restoration and log generation.

Confidential

AIX System Administrator

Responsibilities:

• Worked as AIX Administrator in IT infrastructure environment providing server administration, application administration and automation solutions to support business objectives.
• Experience in handling trouble-ticket of requests, 3rd-party software installation, and user support, in a homogeneous AIX 5.1/5.2/5.3 environment
• Created and configured logical partitions (LPAR) on IBM p690 systems.
• Assist with architecture and design of LPARs, micropartioning, capped/uncapped resources, etc.
• Experience working on Hardware management consoles (HMC)
• Experience on updating and applying security fixes and patches.
• Doing 24/7 pagers on call support duties on a rotation basis with other System Administrators. Managed Logical volume and Paging space and file systems.
• Performance tuning of production machines by upgrading their hardware.
• Experience in migration from AIX 4.3.3 to 5.2.
• Installed Tivoli Enterprise products Workload scheduler and Enterprise manager.
• Taking Backup (fullback up/incremental backup) and restoring using Tivoli.
• Ensure required daemons are monitored
• Security, users, groups’ administration and daily backup and restore operations, networking service, performance, and resource monitoring.
• Ensure required file systems are monitored and appropriate on call groups paged
• Ensure cpu/memory thresholds are accurate
• Working the work orders, revive, execute and close them.
• Review backups by ensuring all filesystems are covered and checking the schedules.
• Managing the user accounts creation, locking, deletion of old accounts
• Review Worked extensively with EMC storage disks
• Installed and configured web sphere servers running AIX 5.2