SUMMARY:

• 10+ years of specialized experience in Unix/Linux System Administration, Network Administration and Application Support working on RedHat Linux 4.x/5.x/6.x SUSE Linux 10,11, IBM AIX 4.x/5.x/6.x/7.x, Sun Solaris … and HP - UX 11.x environments.
• Experience in building Servers using Kickstart in Linux, NIM in AIX, Ignite process in HP-UX, Jumpstart in Solaris, Manual installations.
• Experience in Creation and managing user accounts, security, rights, disk space and process monitoring in RedHat Linux and Solaris and AIX.
• Implemented day-to-day tasks in RedHat Linux, AIX and Solaris include upgrading packages, kernel, and drivers.
• Build about 50 Linux servers in a cloud environment using AWS EC2.
• Docker installation evaluation and testing, AWS installation evaluation and testing
• Experience in implementing High Availability Solutions using VERITAS Cluster, HP Service Guard and RedHat Cluster Server.
• Installed and configured ORACLE database on all flavors of UNIX.
• Experience in Setting up Chef Workstation, Working with Chef Cookbooks, Chef Recipes, Chef Attributes and Ohai.
• Experience in using configuration management tools like Chef, Ansible and Puppet.
• Experienced in implementing Puppet, Chef,
• Expertise in configuring and administering NIS, NIS+, NFS, DNS, LDAP, DHCP, Mail Servers and web servers like Apache HTTP & Tomcat in heterogeneous environments.
• Linux-based Virtualization implementations such as VMware, Oracle Virtual Machine, and Xen.
• Experience in AIX virtualization such as LPAR's.
• Installed and deployed the VMware ESX containers for the VM cloud and Vsphere.
• Installed and deployed the KVM containers for the Openstack Cloud.
• In-depth AWS experience AWS including EC2, VPC (NAT, VPC Peering and VPN), Identity and Access Manager (IAM), EC2 Container Service, S3, CloudFront, Glacier, RDS, Dynamo DB, ElastiCache, Direct Connect, Route 53, Cloud Watch, CloudTrail, OpsWorks, SNS, SES, SQS, SWF
• Experience in virtualization concepts like cloning, deploying from OVF templates and VMOTION in VMware.
• Expertise in creating VM Templates, cloning and managing Snapshots
• Linux-based Virtualization implementations such as VMware, Oracle Virtual Machine, and Xen.
• Well in shell scripting automation of MQ, WAS puppet, foreman Cloud forms.
• Puppet automation, installing and configuring puppet 3.x server and agent setup, developing IHS, Web Sphere MQ 7.0, Web Sphere Application Server Automation, Apache solr 4.x/5.x Jenkins, foremen.
• Main point of contact for HP-UX system issues for all company locations
• Involved in building applications on Windows Servers using PowerShell.
• Created PowerShell scripts to perform alerting, reporting, monitoring and routine maintenance for domain resources.
• Authored multiple scripts in powershell, vbscript, and java to automate support staff functions and improve processes.
• UNIX support for HP-UX 9000 servers
• Imported and managed multiple corporate applications into GitHub code management repo.
• Integrated Jenkins with repositories like GitHub to build Automation tools (Maven and Ant), and Artifact repository for pushing successful build code.
• Expert level proficiency in Development using Puppet Ansible/Chef GitHub - Especially automation of Middleware, OS Automation Experience a Plus.
• Expertise on Testing REST API using Robo Framework and SOPAUI
• Created Python and Bash tools to increase efficiency of call centre application system and operations; data conversion scripts, AMQP/RabbitMQ, REST, JSON, and CRUD scripts for API Integration
• Expertise in developing Multi-tier enterprise level web applications using various J2EE technologies including Servlets, JDBC, JNDI, JMS, REST, SOAP, WSDL
• Involved in the development environment includes Windows Server 2012 R2, Power Shell 4.0, as well as web interfaces for Atlassian Stash, Crowd and Confluence. Public services included GitHub, CentOS, Ubuntu, and Chef.
• Imported and managed multiple corporate applications into GitHub code management repo.
• Integrated Jenkins with repositories like GitHub to build Automation tools (Maven and Ant), and Artifact repository for pushing successful build code.
• Able to manage and facilitate relevant portions of the SDLC in an Agile environment
• Having experience in Agile Methodologies, Scrum stories and sprints experience in a Python based environment, along with data analytics, data wrangling and Excel data extracts.
• Good working experience with Red hat Satellite Server for OS upgrading and patching RedHat Linux and AIX Servers.
• Experience in using configuration management tools like Chef, Ansible and Puppet.
• Fast-provisioning and configuration management for Ubuntu using Cloud Formation and Chef on Amazon Web Services.
• Manage AWS EC2 instances utilizing Auto Scaling, Elastic Load Balancing and Glacier for our QA and UAT environments as well as infrastructure servers for GIT and Puppet
• Managed the Puppet environment through version controllers like SVN and GIT.
• Experienced in implementing Puppet, Chef.
• Experience in installation, configuration, backup, disaster recovery, maintenance, and support of Several Unix/Linux Servers.
• Experienced in Installs, Upgrades, Patches, Configuration, performance tuning on UNIX and system software & hardware

TECHNICAL SKILLS:

Operating Systems: Red Hat Linux ES & AS, IBM-AIX, HP-UX, Windows, VMware ESX/ESXi

Hardware: SUN Enterprise Sun Fire (280R, V480, 3800, 4800, 6800), T Series, M Series, IBM RS/6000, P Series (520, 550, 570, 575, 590, 595, 630, 650, 670, M80, S80, H70 and H80),IBM P Series, IBM ESS (Enterprise Storage Server), DS8000, IBM 3494, 3583 HP DL (380s and 580s), DELL Power Edge

Programming Languages: UNIX Shell Scripting (Ksh/Bash), Perl, Oracle PL/SQL

Web/Application Servers: Apache Server, Tomcat, iPlanet, JBoss, Web Sphere Application Server, IBM HTTP Server, WebLogic Server, HTML, DHTML, XML

Cluster: Veritas Cluster Server, Redhat Cluster Server, HP Service Guard

Applications: Remedy, Service Now, HACMP, Samba, Tivoli (TSM), Nagios, Tripwire, VERITASNetback up, Veritas Volume Manager, LVM, EMC Powerpath

Networking: TCP/IP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, WAN, SMTP, LAN, FTP/TFTP

RDBMS: IBM UDB2, Oracle 8i/9i/10g, MS-SQL Server 7.0/6.5 and MS-Access 97/95

PROFESSIONAL EXPERIENCE:

Sr. Linux/Unix/Aix/VMware/DevOps Engineer

Confidential, Peoria, IL

Responsibilities:

• Installation, configuration and upgrade of Redhat Linux 5/6,and 7 AIX 6/7, SUSE 11, HP-UX, Solaris … operating systems.
• Worked on Grub, PXE boot, Kickstart, Packages, Yum, RPMs, LVM, Boot from SAN, file systemconfiguration
• Ability to write Shell & Perl scripting.
• Configured and deployed patches, upgrades, bug fixes on both physical and virtual Red Hat Linux servers using satellite servers
• Performed Vmotion using the VCenter 5.0 on the ESX machines for migrating the VMs online.
• Design, develop and test ESB infrastructure on the TIBCO platform.
• Converted about 25 puppet modules to chef recipes.
• Setup open source Chef server in dev environment and wrote chef cookbooks.
• Worked on DevOps tools like Jenkins, Maven for Build Management and puppet, chef and Ansible for Configuration Management SVN/GIT for Version Control and Nagios, splunk for Monitering and Log Management.
• Installed and deployed the KVM containers for the Openstack Cloud.
• Well versed in developing bash shell scripts, Python ruby on rails, Puppet and chef DSL, creating recipes in chef, cookbooks.
• Build new HP-UX Integrity servers and Windows 2003 servers
• Provided HP-UX 11i support for HP-UX Integrity rx6600 and rx4640 servers
• Custom software migration support from HP-UX to SLES
• Managed deployments across various IaaS providers: AWS, Azure, SoftLayer, Oracle Cloud ServiceGuard failover cluster configuration under HP-UX
• Used, vim and sublime editors for developing Chef recipes and puppet classes, Creating puppet class ordering defining reusable methods.
• Docker installation evaluation and testing, AWS installation evaluation and testing
• Created PowerShell script that monitored Oracle Enterprise Manager Status and emailed results.
• Installed and configured ORACLE database on all flavors of UNIX.
• Installed Solaris 10 Operating System on servers and Blades over the network.
• Installation of OAS (Oracle Application Server) on Solaris 9 and its configuration with oracle database.
• Involved in migration activities using Red Hat LVM, Solaris LVM, Veritas and EMC Open Migratory.
• Supporting infrastructure environment comprising of RHEL and Solaris.
• Remote monitoring and management of server hardware
• Expertise in creating VM Templates, cloning and managing Snapshots
• Working experience on Windows PowerShell Scripting for purposes of task automation and configuration management.
• Implemented &maintained the branching and build/release strategies utilizing Subversion/GIT. Manage configuration of Web App and Deploy to AWS cloud server through Chef.
• Implement internal JSON APIs and external SOAP APIs consumed by a dozen of the largest names in the Tax Software industry.
• Web application development leveraging REST APIs for a large system which manages data center equipment. wrote the ansible playbooks which is the entry point for Ansible provisioning, where the automation is defined through tasks using YAML format. Run Ansible Scripts to provision Dev servers.
• Worked experience with Web services like Yaml, Rest API.
• Experience in working with Agile, Scrum and Kanban software development methodology.
• OpenStack Ansible project.
• Support and enhance SDLC cycle by using Docker containers delivered with Openshift for web application deployment
• Implemented client side pagination feature using jQuery Datatable, JSON and AJAX
• Developed Responsive Web Application using Bootstrap, jQuery, JSON AJAX and REST.
• Worked on version control using Github.
• Services/Packages using Chef as well as AWS for EC2/S3/Route53 & ELB with Chef Cookbooks.
• Extensive experience in studying existing infrastructure landscape, cloud product matching, design cloud architecture, Proof of Concepts, design improvements, cost Estimation and implementation of AWS Cloud Infrastructure recommending application migrations to public Vs. private cloud.
• Involved in the development environment includes Windows Server 2012 R2, Power Shell 4.0, as well as web interfaces for Atlassian Stash, Crowd and Confluence. Public services included GitHub, CentOS, Ubuntu, and Chef.
• Create Jenkins pipeline jobs for Puppet release process for module deployment, using Kanban agile methodology for puppet development.
• Setup code repositories Like GIT, SVN, Visual SVN, Tortoise SVN and managed plugins for Jenkins for scheduled automatic checkout of code.
• Proactively archived Exchange 2003 mailboxes using EAS Administrator prior to migration also and created PowerShell scripts to expedite process.
• Adapted to enterprise environment security in order to provide ongoing support for PowerShell.
• Designed, built, and used PowerShell scripts for Active Directory (AD).
• Proficiency in writing automation scripts using Chef, Puppet, Shell, PowerShell, Ansibleetc.
• Configured and installed AIX, and Redhat Linux Servers using NIM, Kickstart.

Environment: RHEL 7/6.x/5.x, AIX 6/7, SUSE 11, VMware, REST APIs, JSON, YAML, Puppet, OpenStack, Git, GitHub, IBM/HP blade servers, python, AWS, WAS 5/6/7/8, Logical Volume Manager, Veritas net backup, SAN Multipathing (MPIO, HDLM, Powerpath), VM ESX, VM vSphere,Agile,SDLC

Sr. Linux/Unix/Aix/VMware/DevOps Engineer

Confidential, Mclean, VA

Responsibilities:

• Installation, configuration and upgrade of Redhat Linux 5/6, AIX 5/6, Cent OS 5.8, HP-UX, Solaris … operating systems.
• Monitored file systems usage, modifications and deletions using tripwire.
• Worked closely with Cloud teams to build and deploy VM's using Open Stack and VMware.
• Installed and deployed the VMware ESX containers for the VM cloud and Vsphere
• Installed and deployed the KVM containers for the Openstack Cloud.
• Installed and administered Tripwire applications in tier 2 and tier 3 environments.
• Package management using RPM, YUM and UP2DATE in Red Hat Linux.
• Build about 5000 Linux servers in a cloud environment using AWS EC2.
• Learned, Configured, and Worked on Amazon Web Services (AWS) penldap client deployment via scripts/chef recipes.
• Shell scripting/some Ruby stuff for writing Chef recipes .
• Collaboratively work with other teams to wrap/extend services and events to be ESB-aware.
• Developed Real time based ESB Services to integrate DCM system.
• Developed UC4 Schedule based ESB Services to integrate RMS Retail system.
• Implemented HP-UX SAN using EMC CX700 Clariion
• Built AWS Resource group to group the resources by Environment.
• Created AWS Config and built the tools to track the configuration changes and by setting the automatic Notifications using AWS SNS
• Directed Progress Open Edge databases on HP-UX. Created, backed up, restored, and upgraded Progress databases.
• Installed and deployed the KVM containers for the Openstack Cloud. .
• Well versed in planning, designing, developing infrastructure automation puppet and chef, for build and release process,
• Puppet Installation setup and full fledged automation for Solr Alfresco.
• Ground up creation of Ansible/ N.A.P.A.L.M. YAML and Python scripts for network task automation, including full pod builds based on Cisco, Juniper, Brocade and Arista. It also included a browser based interface for the automation system.
• Created Ansible supported YAML Scripts to Provision Tomcat, JBoss and created Ansible Playbooks to automatically install packages from a repository and to deploy new builds.
• Modified existing codes and developed PL/SQL packages to perform Certain Specialized functions/enhancement on oracle Application.
• Worked with Windows PowerShell scripting for automating different tasks.
• Automated Build and Deployment process by using Perl/Shell scripts and worked with different scripting languages such as PowerShell, Ruby, groovy, Python, Ksh as a part of writing scripts for the automation tasks.
• Automating system Administration tasks with Shell Scripting with bash, sh shells and experience in Python, Ruby, Groovy, Ksh and PowerShell scripting. Experience working with python frameworks.
• Perform Enterprise Security Management (ESM) upgrades on Solaris and Linux environment and add the ESM managers to the servers
• Installation and administration of DNS, NIS, NFS, NTP, Samba, SNMP & DHCP servers.
• Experience with multiple integration techniques based on service oriented architecture such as SOA, Web services (REST APIs, SOAP) and other communication interfaces like HTTP, HTTPS, and TCP.
• Scripted import/export tasks using REST APIs in Perl and Python.
• Deploying the Openstack components on multinode with High availability environment
• Operational experience with preparation and execution of major Red Hat OpenStack Platform upgrades as well minor version updates and updates.
• Employ Kanban and SAFE Agile methodologies for service-oriented work
• Experienced in AWS command line interface.
• Experience working on Administering various AWS Services USING AMAZON AWS Console,
• Performed numerous OpenStack deployments using Ironic, Heat, Puppet, and Ansible with Triple-O and Red Hat Director.
• Extensive operational experience troubleshooting OpenStack services like RabbitMQ, Galera, Neutron/OVS/Linux Bridges.
• Involved in source control management with GitHub and GitLab Enterprise level repositories. Regular activities include configure user's access levels, monitor logs, identifying merge conflicts and managing master repository.
• Implemented OAuth based security for REST APIs
• Defining Release Process & Policy for projects early in SDLC.
• Managed labeling, branching strategies in Git/GitHub with best practices in addition to resolving conflicts with regards to merging and editing files in the repository.
• Remote monitoring and management of server hardware.
• Configured and installed AIX, Solaris and Redhat Linux Servers using NIM, Jumpstart, and Kickstart.

Environment: RHEL 6.x/5.x, AIX 5/6, Cent OS 5.8, Solaris … VMware, Jboss AS 5/6/7, WAS 5/6/7/8, Logical Volume Manager, REST APIs, JSON, YAML,AWS, Puppet, python, OpenStack, Git, GitHub, IBM/HP blade servers, Veritas netbackup 5.x/6.0, SAN Multipathing (MPIO, HDLM, Powerpath), VM ESX 3.x/2.x,Agile,SDLC

Sr. Linux/Unix/Aix/VMware Engineer

Confidential, NY

Responsibilities:

• Evaluate, install, test, configure, maintain, tune, and troubleshoot Solaris 9/10, Red Hat Linux AS 4/5, SUSE 10, HP-UX … AIX 6.1/5.3 operating system software and third party commercial off-the-shelf (COTS) products with primary responsibility being for the UNIX operating systems.
• Experience working with production and 24 x 7 on call environments.
• Analyze, troubleshooting, and resolve RedHat Linux and Server HW, Network problems in a Production Server environment.
• Creating met devices, soft partitions, mirroring the devices and metasets.
• Managed Patching and worked on Firmware Updates for Blades and Enclosures.
• Worked with audit teams and provided them with the File system modifications using tripwire tool on various distributions of UNIX.
• Installed and administered Tripwire applications in tier 2 and tier 3 environments.
• Performed Vmotion using the VCenter on the ESX machines for migrating the VMs online.
• Experience working in VMware ESX (VSphere) 4.x hypervisor for virtualization and installed different OS such as Solaris, Linux (RHEL), Windows.
• Good working experience with Redhat Satellite Server for upgrading and patching Linux Servers.
• Worked closely with Cloud teams to build and deploy VM's using Open Stack and VMware.
• Installed and deployed the VMware ESX containers for the VM cloud and Vsphere
• Configuration and administration of DNS, LDAP, NFS, NIS, NIS+ and Sendmail on RedHat Linux.
• Developed data synchronization scripts using Oracle 10.2.0.5 SQL, PL/SQL on HP-UX B.11.31 thru
• Used Oracle Export/Import utilities to migrate data from Oracle 8.1.7.4 database on HP-UX B.11. 00 to Oracle 10 .2.0.5 database on HP-UX B.11.31; Used RMAN backup/restore scripts to load data from the primary database on HP-UX B.11.31 into the remote standby database on HP-UX B.11.31.
• Managing and configuring large group of servers using OpenStack
• Strong skills in OPENSTACK installation as an open-source cloud-software, we managed large pools of compute, storage, and networking resources throughout a datacenter. Responsible for installation, troubleshooting and maintenance of 1800 Red hat/SUSE servers and 1000 servers running Solaris 10/11 on x86 and SPAR.
• Integrated Openstack (Ice house) with Openstack to create software-Defined-Networking tenant and service provider network and routers.
• VNFs, VNF FGs, etc. must be automatically deployed and managed in the NFV infrastructure
• Configuring the Openstack keystone, glance, cinder, swift,
• Experience in building Servers using Jumpstart in Solaris, Kickstart in Linux, Ignite process in HP-UX and Manual installation.
• Extensively worked on tools like Veritas Volume Manager (VxVM) and Veritas file System, Logical Volume Manager (LVM), Solaris Volume manger (SVM).
• Package management using RPM, YUM and UP2DATE in Red Hat Linux.
• Worked on migrating data from EVA, XP to 3-PAR Storage on Linux.
• Designing and developing microservices, which are REST APIs orchestrating with backend systems to populate credit card customer's data at online login. The API is developed using Java frameworks such as Jersey and Spring.
• Owned design, development and delivery of REST APIs and orchestration layers interfacing with APIs at the backend.
• Worked on Puppet automation tool to automate SP patching, kernel upgrade, FS creation, user creation, install FTP servers, server build etc. on enterprise wide Linux VM’s. experience with GIT commands and GITHUB repository.
• Integration Services for various tool sets like Version One, JIRA, GitHub, SVN, Stash, Jenkins, Sonar, IBM UCD, Hip chat.
• Extensive use of Logical Volume Manager (LVM), creating Volume Groups, Logical volumes and disk mirroring in HP-UX, AIX and Linux.
• Development of Integration, Routing, Transformation and Service hosting flows using Mule ESB.
• Used Mule ESB for application integration and deployed mule applications.

Environment: RHEL 5.x/4.x, SUSE 10, IBM/HP blade servers,REST APIs, JSON, YAML,Puppet,OpenStack,Git,GitHub,Web sphere 5.x/6.x, Apache … planet, Oracle … Logical Volume Manager, VERITASnetback up 5.x/6.0, SAN Multipathing (MPIO, HDLM, Power path), VM ESX

Linux/Unix/Aix/VMware Administrator

Confidential, NY

Responsibilities:

• Installation, configuration and upgrade of Solaris 9/10, Red hat Linux 3/4/5, SUSE 10, HP-UX 11i, AIX 5.3 operating systems.
• Administrative scripting with Perl and Shell.
• Responsible for Daily Backup maintenance through Tivoli Storage Management (TSM).
• Package management using RPM, YUM and UP2DATE in Red Hat Linux.
• Installed and administered Tripwire applications in tier 2 and tier 3 environments.
• Extensively hands on experience for troubleshooting LVM and system management.
• Provide 24*7 production support and performed weekend changes during maintenance window.
• Supported for IBM p6/p5- (595, 560, 570, 550, 520, 510, 55A, 505), RS6000 servers running IBM AIX 5.3 and AIX 6.1 in virtualized environment.
• Configured ether channel adapter on multiple VIO clients LPAR
• Restore the backup of production file systems onto dev box using IBM LTO3.
• Developed Shell scripts (Korn/Bourne) for automating the batch jobs and for taking backups.
• Installed and Upgrade VIOS 1.5, 2.1.2.2 server on IBM power5/power6 p-Series servers.
• Communicate with the user community and co-workers to assess needs, resolve problems, and provide technical assistance where necessary relating to UNIX administration functions, and software running on UNIX platforms such as Apache, WebSphere and Oracle9iAS and COTS third party software. system (NFS), and server message block (SMB), Simple Mail Transfer Protocol (SMTP), secure shell (SSH) and Network Time Protocol (NTP).
• Proficient in Networking and configuring TCP/IP, DNS, NFS, NIS, NIS+, SAMBA, LDAP, SSH, SSL, SFTP, SMTP, SNMP, SCH.
• Automation of admin tasks with Shell Scriptingsed/awk/perl
• Analyze, troubleshooting, and resolve RedHat Linux and Server HW, Network problems in a Production Server environment.
• Experience working in VMware ESX (VSphere) 4.x, 5.x hypervisor for virtualization and installed different OS such as Solaris, Linux (RHEL), Windows.
• Supported Oracle RAC (Real Application Cluster) Servers running on Linux with GFS and Solaris with SFRAC.
• Create automated Jumpstart environment for Solaris standard builds for WEB, APP and DB servers.
• Extensive experience working on Solaris Volume Manager, creating Metadevices, Soft partitions, Mirroring the devices and Metasets. Space allocation to the Metadevices, detaching and clearing the devices if not in use.
• Extensive use of Logical Volume Manager (LVM), creating Volume Groups, Logical volumes and disk mirroring in HP-UX, AIX and Linux.
• Worked on installing and configuring VMware/ESX Servers for virtualizations.
• Configured and installed Solaris, HP-UX and Redhat Linux Servers using jumpstart, Ignite, and Kick start.

Environment: RHEL 5.x/4.x, SUSE 10, Solaris 8/9/10, HP … G3, G4, G5,REST APIs, JSON, YAML,Puppet,OpenStack,Git,GitHub,Dell PowerEdge, IBM/HP blade servers, Websphere 5.x/6.x, Apache … iPlanet, Oracle … Logical Volume Manager, Veritas netbackup 5.x/6.0, SAN Multipathing (MPIO, HDLM, Powerpath), VM ESX 3.x/2.x,IBM AIX 5x/6x

Linux/Unix/Aix/VMware Administrator

Confidential, St Louis MO

Responsibilities:

• Installation, Configuration and Upgrade of Solaris 9/8, HP-UX 11.0, AIX, Redhat Linux 4 operating system.
• Resolved day-to-day end user issues using Ticketing Tool Remedy.
• Experience of Storage Area Network (SAN).
• Administered tasks like user and password management, allocating quotas to users as well assystem startup and shutdown, monitoring and partitioning.
• Experience in configuration of Veritas Cluster Server … Sun Cluster 3.0/2.2, fail over test of VCS groups, adding/modifying VCS resources such as File Systems.
• Performed setup and configuration of Install Server, Configuration Server and Boot Server for Jumpstart process on multiple Servers.
• Expertise in Package and Patch administration for installation of patches and package applications as per the company policy.
• Worked on DNS. Was involved in the configuring Master and Slave Servers for the domain and making Zone files.
• Performed setup, installation and configuration of Solaris 8 with NIS, NIS+, NFS and DNS facilities.

Environment: Sun Solaris (2.7, 8, 9), AIX (4.2), HP-UX (11.0), … Sun Ultra E … Sun Fire … HP-9000, RS-6000, DELL/IBM/HP Blades, VERITAS Foundation Suite