PROFESSIONAL SUMMARY:

• 6+ years of experience in IT industry as Linux System Administration working on RedHat Linux, CentOS, Ubuntu, Windows environments, and VMware vSphere and 3+ years of experience in tripwire enterprise working in (DEV, TEST, STAGE & PROD).
• Installation, Configuration and Administration of VMware VSphere4, ESXI 5.1/5.5/6.0, VMware View, vCenter Server, Host Clustering with HA, DRS, Replication Manager 5.x/6.0
• Installation of the tripwire console using tripwire package on RHEL 6/7 and upgrading the console from older version 8.4 to 8.6.0 version.
• Creating custom nodes for different platform and other node types for onboarding them into tripwire.
• Onboarding assets into tripwire application like Network devices, Databases, Linux servers, Windows sever, Solaris servers and AWS instances.
• Setting up new users in console and giving them right permission based on their role creating global variables accessing appid’s and another administrator role.
• Experience in Installing, upgrading and configuring Red Hat Linux 4.x, 5.x, and 6.x using Kick start Servers
• Extensively worked on Jenkins/ Ansible /Docker by installing, configuring and maintaining for the purpose of continuous integration (CI) and for End to End automation for all build and deployments.
• Excellent work experience in Software Development Life Cycle (SDLC), Project Management, Project Release and Configuration Management Plans.
• Working with rules, policies, Asset view, Reports and tasks scheduling. Run the business of weekly bases and supporting complete application.
• Creating saved filters for each platform based on the asset type by using asset view by using Regex.;
• Familiar working with monitoring tools like splunk to monitor the logs and strong ability to troubleshoot issues generated while building, deploying and in production support.
• Good understanding of Amazon Web Services (EC2, S3, Cloud Formation, Ops Works, etc).
• Expertise in configuring and managing services like AWS EC2 using AMI’s available. Configured multiple servers depending on application needs using continuous integration tools like Jenkins
• Expertise in using build tools like MAVEN and ANT for the building of deployable artifacts such as war & ear from source code.
• Experience working on Docker hub, creating Docker images and handling multiple images primarily for middleware installations and domain configurations.
• Designing the entire cycle of application development by using Docker
• Wrote custom monitoring and integrated monitoring methods into deployment processes to develop self - healing solutions using Nagios, Graphite etc.
• Implanted continuous integration concepts using Jenkins, Bamboo and Ansible.
• Installed and configured monitoring tools such as Splunk, SiteScope for monitoring the network bandwidth and the hard drives status.
• Involved in handling Tickets, Monitoring, Troubleshooting and maintenance for Day to day Activities
• Management of library versions and deprecated code, Design and sequencing of automated builds & test runs and Troubleshooting expertise - build failures due to dependencies, tests, etc
• Worked with Engineers, QA, business and other teams to ensure automated test efforts are tightly integrated with the build system and in fixing the error while doing the deployment and building.
• Good Interpersonal Skills, team-working attitude, takes initiatives and very proactive in solving problems and providing best solutions.

TECHNICAL SKILLS:

Operating Systems: RHEL/CentOS 5.x/6.x/7, Ubuntu/Debian Windows Server

Build/Automation Tools: Puppet, Chef, Ant, Maven, Ansible, Jenkins, Bamboo

Languages: Shell, Bash, Perl, YAML and Python scripting

Database: MySql, Oracle database, SQL Server

Web/Application Servers: WebSphere Application Server

Bug Tracking Tools: JIRA and ServiceNow.

Version Control Tools: Git Hub, Subversion, Tortoise

Web Programming: XML, HTML, .Net, Python

WORK EXPERIENCE:

Confidential, Malvern, PA

System Engineer

Responsibilities:

• Installation of the tripwire console using tripwire package on RHEL 6/7 and upgrading the console from older version 8.4 to 8.6.0 version.
• Creating custom nodes for different platform and other node types for onboarding them into tripwire.
• Migration tripwire agents from Java older version
• Onboarding assets into tripwire application like Network devices, Databases (SQL, Oracle and Postgres), Linux servers, Windows sever, Solaris servers and AWS instances.
• Creating saved filters for each platform based on the asset type by using asset view by using Regex.
• Setting up new users in console and giving them right permission based on their role creating global variables accessing appid’s and another administrator role.
• Building up separate tripwire production appid for logging into the Servers, Network devices and Databases to authenticate by given limited permission to SSH or to run any rules or policies
• Working with Rules, policies, Asset view, Reports and tasks scheduling. Run the business of weekly bases and supporting complete application.
• Customizing the Rules and CIS policies based on the Clients requirements. By making remediation to policies and modifying Query, Command output capture (COCR).
• Looking for tripwire logs in the Splunk to troubleshoot agents based on the error message and also used it for seeing firewall denies on devices for additional level of troubleshooting.
• Troubleshooting the servers by seeing logs from Splunk if they go unhealthy and allowing them to get into active node group for enabling them to be monitoring.
• Working and onboarding with network devices like Cisco ASA, Cisco Routers, Junipers, Palo alto, Brocade, Aurba, F5 devices. Databases like Microsoft SQL Servers, Oracle Servers.
• Setting up tasks and running the elements on each node by using different type of elements based on devices type on a weekly basis.
• Done Proof of concepts for Ip360 to see how it can fit into environment by replacing Qulays.
• Using Tripwire IP360 for triggering jobs for scanning internal and newly discovered within environment and Servicenow
• Scoring the vulnerabilities using Tripwire Ip360 and creating prioritization as CVSS, Yard stick format, Tripwire Ip360 Scoring system or high/medium/low.
• Using Tripwire Ip360 we have placed in between Splunk heavy forwarder to filter out unwanted data getting injected into splunk to reduce cost effect.
• Creating Change records by adding effected CI’s for making changes on tripwire servers and interacting with platform owners and change management team about CR.
• Using different version of vulnerability for scoring as CVSS, CVSSv2 as metric groups as base, temporal, Environmental.
• Working on ServiceNow Incident tickets and generating emergency CHG records if it impacts business.
• Migrated Assets from old tripwire console to new datacenters by bulk import and export from tripwire of devices and segmented them between DC1/ DC2 and OOR
• Working directly with clients on weekly calls to gather new requirements and reports based on their requirements.
• Injecting tripwire logs into Splunk which would help in better way to troubleshoot better and easy way instead of logging into each server manually.
• Working with platform owners in setting up scans and running reports on their requirements and making changes on based on requirements.
• Upgrading the tripwire agents on to latest version by using updaters file from Tripwire commander done from 8.4.2 to 8.6.0 version for Windows/ Linux/ Solaris Servers enabling real-time monitoring.
• Setting up policies and rules to all Platform to get nodes scanned and get right policies to be applied for vurniablity scanned.
• Writing COCR’s rules for getting content from element on devices for comparing with real time data.
• Supporting on Qualys application for discovering new devices in environment and adding them into tripwire for monitoring and scanning on weekly bases.
• Setting up scans for Qualys to scan open vulnerabilities and critical misconfiguration across the global hybrid environments.
• Using Qualys reports and comparing the assets between both of them and maintain same access across the boards.
• Created Jira tickets for ongoing to keep track of it and running teams scrum/ sprint planning’s and working with platform teams to add their feedback.
• Reaching the deadlines for audit requirements from different platform. Experience in working with Developer in Agile/Scrum Team.
• Writing runbooks and troubleshoot documenting for any new changes and drawing Microsoft Viscos diagrams.

Environment: Red Hat Enterprise Linux, Splunk, Ansible, Tripwire Enterprise, Qualys, AWS, ServiceNow, Jira, Team track, Enterprise resource management, tripwire IP360.

Confidential, Franklin, Wisconsin

System Engineer/Linux Admin

Responsibilities:

• Preparation and execution of server patching and upgrade on more than 200 servers including HP-UX, AIX, Solaris and Red Hat Linux servers. Servers included AIX HACMP and HP-UX MC/Service Guard clusters.
• Administration of Servers Linux servers (RedHat, CentOS, Ubuntu), Windows 7/8 & Server 2008, Virtualization (VMware ESX 5.x)
• Configuration like assigning IP addresses, configuring network interfaces, assigning static routes, hostnames etc. Environment: Red Hat Enterprise Linux, Shell-Scripting, LVM, Windows, RPM, YUM, NFS, LVM, HTTP, FTP
• VM server builds, manually or from templates. ESXi server builds working off of client request sheets for correct specifications: CPU count, RAM, etc.
• Transformation of naming service infrastructure from NIS to LDAP using (Red Hat Directory Server + SLAPI-NIS)
• Provided technical support for the entire company's DNS BIND configuration. Upgraded configuration to BIND 8 by writing the configuration file from scratch. Updated and investigated any and all issues relating to DNS for the company.
• Managed Corporate Cloud with VMware, vSphere, vRealize Automation for Development Test and Production environments.
• Created Technical Solutions to upgrade Virtual environments to VMware vSphere 6.0 environments at DR and Production sites.
• Deployed and configured Vmware ESXi 5.0 along with Virtual Center Server. Created Datacenters, Clusters, Resource Pools, Configured vmware Distributed Resource Scheduler & VMware High Availability.
• Designed, Installed, configured and managed vCenter Server 5.5 and ESXI 5.5 hosts and per design document.
• Developed an Azure based high performance compute environment to support the massive computational requirements of client congressional redistricting Azure application
• Successfully installed and configure TripWire products to the client expectations with large enterprise accounts
• Collect infrastructure technical requirements from customers and create implementation and production deployment procedures for Tripwire products
• Presented for both Atlanta User Group and at the Worldwide Users Conference for Tripwire Enterprise.
• Provide systems administration and troubleshooting to maintain operations, security and management for the tripwire enterprise
• Managed code repository in GITHUB and creating team for organization, improved practices and strategies of branching and code merge to custom needs of development team.
• Provided end-user training for all GIT, GITHUB and GITLAB users to effectively use the tool.
• Add the replication server for the github to keep high availability for the servers and taking the backups for the servers based on daily bases
• Adding the New Co-Admin and Managing the Co-Admins for all the Subscriptions in the Windows Azure Platform
• Performed quarterly patch management using VMware IDM, checked for updates, attached baselines and applied or remediated the patches.
• Coordinating with networking team or SAN team for any networking or SAN related issues. Changing the Polarity of SAN cable if required.
• Responsible for configuration, troubleshooting and remediation of clients' Linux/Unix and Microsoft based solutions on physical and virtual platforms including VMWare
• Installation, Configuration and Management of NFS, HTTP, FTP, SAMBA, DHCP, DNS Servers.
• Support for Linux/Unix systems administration, operational support and problem resolution for server systems Created shared NFS files system, mounting and un-mounting NFS server, NFS client on remote machine, sharing remote file folder, starting &Stopping the NFS services.
• Familiarity with the fundamentals of Linux scripting languages and experience with Linux servers in virtualized environments. Writing shell scripts for Automated Back-ups and Cron Jobs using shell and bash.
• Worked on configuration and administration of LVM as extending Logical Volume and Physical Volume Size.
• Duties included software installation and maintenance, environment maintenance, performance tuning, hardware installation and evaluation, plus normal system admin responsibilities.
• Worked with cron tab and Mysql Jobs to manage, schedule various database jobs for backup, maintenance, password change etc.
• Support Microsoft Windows Continuous Integration Environments. Using tools, such as Jenkins, Dynatrace and powershell
• Implemented mysql advanced security across various database levels. Create the users, roles, schemas with suitable permission in mysql
• Configured Jenkins as a common build engine to build and deploy applications to DEV, QA, and UAT, PROD environments.
• By using java programming like Maven and was responsible dependency management system to deploy snapshot and artifacts to Nexus to share artifacts across projects and environments.
• Setting up VM’s by updating version assigning IP addr and adding patches building networks TCP,DHCP and firewalls
• Automated the installation, deployment and maintenance of Middleware Application Servers to RHEL development and Test Environments.
• Involved in Installing Jenkins on a Linux machine and created a master and slave configuration to implement multiple parallel builds through and LDAP mailer plug-in in Jenkins.
• Configured Jenkins as a common build engine to build and deploy applications to DEV, QA, and UAT, PROD environments.
• Installation of VERITAS Volume Manager 6.0.3, Adding and initializing the disks in Volume Manager, Creating Volumes and Mount points Troubleshooting various problems related to VxVM in initializing, replacing, mirroring, encapsulating and removing disk devices on various Production Boxes.
• Worked on generating and importing the SSl certs and redirecting it from http to https and placed nigix to run same application on different ports
• By using the ansible written playbooks to automate launching of Vm's with storage, location, and cluster and with the network.
• Used Ansible to manage environments configuration Files, Users, Mount points and Packages.
• Using ansible tower automated the backup of the servers and upgrading the packages that where need by the time
• Work with Dev/Ops Automation Platforms, such as ansible, GITHub to Create Playbooks Files. Using powershell and Chocolatey Packaging.
• Working with backup team for the Legato backup & Restore, Legato client Installation in the Redhat Linux server
• Initiating Backups on daily basis and monitoring the scheduled backups
• Written bash scripts for the linux operating system to manage automation of cron jobs and managing file systems for backup and restore
• Worked on group/user administration, startup and shutdown scripts, crontabs, file system maintenance and backup scripting and automation.
• Developed and implemented Software Release Management strategies for various applications according to the agile process.
• Experience in working with Developer in Agile/Scrum Teams
• Writing supporting documentation and blueprint diagrams for internal use of organization by creating the wiki
• Pages and hyperlink to support each of those.
• Day to day administration of the Development environment and Production and Test environment systems. 24x7 on-call support.

Environment: Red Hat Enterprise Linux, VMware, Bash Scripting, Esxi, Xeon, juniper Firewalls, AIX, Solaris, Vsphere, Ansible, Ansible tower,powershell

Confidential, Philadelphia, PA

Devops Engineer

Responsibilities:

• Automated the installation, deployment and maintenance of Middleware Application Servers to RHEL development and Test Environments.
• Experienced in using AWS cloud Formation and Puppet together to automate the entire deployment and management process, from AWS resources through the application artifacts
• Included working in VMware Orchestrator, VMware vRealize Automation 6.0 (VRA), catalog management, creating cloud server provisioning entitlements, creating and defining business groups, creating catalog items, creating services for the catalog items, creating Windows and Linux (Red Hat6) blueprints.
• Upgraded the VMware tools, VM Hardware 9 on all the VM's as a part Upgrade process and also Upgraded
• Deploying and supporting vCenter Operations Manager for cloud infrastructure monitoring and Managing Enterprise Scale vSphere based Virtual Infrastructure.
• Help developers and testers to understand the CD/CI practices and process for Securing and Hardening the Environments and Continuous Integration tools
• Migrated legacy applications to a repeatable Continuous Integration platform
• Responsible for monitoring and maintaining Windows and Citrix Servers which includes 1500 user base and more than 100 plus applications.
• Working on various Docker components like Docker Engine, Hub, Machine, Compose and Docker Registry.
• Implemented a Continuous Delivery pipeline with Docker, GitHub and AWS
• Research and development on scalable Linux deployments on AWS via Docker.
• Deploy and monitor scalable infrastructure on Amazon web services (AWS)& configuration management using Puppet
• Implemented Migration from VMWARE to AWS using VMDK Import tools
• Used Puppet for performing activities from provisioning to reporting and used Puppet to automate the slave configuration setup and maintenance.
• Managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Ansible or custom-built. Designing cloud-hosted solutions and specific AWS product suite experience.
• Worked with Ansible Playbooks for zero-downtime installation, upgrade, downgrade, and uninstall processes (MongoDB, Redis, and MySQL).
• Deployed DevOps using Puppet, Dashboard, and Puppet DB for configuration management to existing infrastructure.
• Resolved update, merge and password authentication issues in Jenkins and Jira and implementing Tool Suites for (Jira, Jenkins).
• Provided end-user training for all GIT and Subversion (SVN) users to effectively use the tool
• Configured Managed and controlled the source code repository, currently housed in Subversion, Git.
• Involved in development and configuration experience with software provisioning tools like Puppet and Ansible.
• Exposure to Marathon & Zookeeper cluster environment for application deployments & Docker containers.
• Automated MySQL container deployment in Docker using Python and monitoring of these containers using Nagios.
• Involved in editing the existing MAVEN files in case of errors or changes in the project requirements.
• Managed Maven project dependencies by creating parent-child relationships between projects.
• Performance Tuning and Management for Linux/AIX server and working with the application/database team to resolve issues.
• Day to day administration of the Development environment and Production and Test environment systems. 24x7 on-call support

Environment: Red Hat Enterprise Linux, Linux/AIX, VMware, Amazon web services (AWS), Git, Github, SVN, Puppet, Ansible, TFS, Maven, Jenkins, Docker, Jira

Confidential, Cumberland, RI

Devops Engineer/administrator

Responsibilities:

• Using the Opscode Chef Cookbooks/recipes Migrated the VMWARE VMs to AWS and Managed Services like EC2, S3Bucket, Route, ELB, EBS etc. Responsible for CI and CD using Jenkins, Run deck and Chef.
• Installed, Deployed Red Hat Enterprise Linux 6.x/7.x, CentOS and installation of packages and patches for Red Hat Linux Servers.
• Installed/Configured Redhat Linux cluster 5x version & Configuring the cluster resources
• Upgrading the kernel in all the Redhat Linux servers and creating initrd image to boot from the Upgraded kernel
• Migration of RedhatLinux servers from 4.x version and working with the application team to resolve the issues post migration.
• Mounting & unmounting the netapp storage LUNs to the Redhat Linux servers and troubleshooting the issues encountered
• Adding storage to the cluster disks and increasing/decreasing the file system in RHEL.
• Designed and implemented Chef, including the internal best practices, cookbooks, automated cookbook CI and CD system. Made use of Jenkins for Chef CI, Rake for style and linting
• Involved with configuration management and automation tools such as Chef, Ansible.
• Implementing new projects builds framework using Jenkins & maven as build framework.
• Implementation with Chef Enterprise Hosted besides On-Premise, Installed Workstation, Bootstrapped Nodes, Wrote Recipes and Cookbooks and uploaded them to Chef-server, Managed On-site
• Automated with in AWS (Amazon Web Services) including deploying new server instances through automation with Chef.
• Written/Developed Chef Cookbooks to automate the entire deployment process as well as Infrastructure admin tasks.
• Designing and implementing for fully automated server build management, monitoring and deployment By Using DevOps Technologies like Chef.
• Worked on Installation/Configuration/Administrated VMware ESXi 5.1/5.5 & 6.0 and migrated existing servers into VMware Infrastructure.
• Administration of RHEL 6 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting server issues.
• Also used to automate the job control system so that scheduling, monitoring and reporting can be performed automatically.
• Installed Build Forge and performed troubleshooting during installation.
• Management of library versions and deprecated code, Design and sequencing of automated builds & test runs and Troubleshooting expertise - build failures due to dependencies, tests, etc.

Environment: Red Hat Enterprise Linux 6.x/7.x, Chef, Ansible, Docker, Python, MongoDB, Jenkins, Ansible,

Confidential

System Administrator

Responsibilities:

• Administered, maintained Red Hat 3.0, 4.0, 5.0, AS, ES, Troubleshooting Hardware, Operating System Application & Network problems and performance issues and Deployed latest patches for, Linux and Application servers, Performed Red Hat Linux Kernel Tuning.
• Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, and MySQL databases in both development and production.
• Created users, manage user permissions; maintain User & File System quota on Red hat Linux.
• Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.
• Used ANT & MAVEN build tools in Jenkins to build scripts and move from one environment to other
• Responsible for Connectivity Issues among various Servers and Switches and also responsible for installation of various hardware components on various servers.
• Provide remote support for Linux servers and maintaining SLAs, Performance tuning and enhancing. Production Support for 100+Linux Servers customizing the applications according to the business requirements.
• Responsible for Connectivity Issues among various Servers and Switches and also responsible for installation of various hardware components on various servers.
• Responsible for Patches for the operating system, building startup shell scripts, managing the automation of cron jobs and managing file systems.
• Integrated JIRA with Stash and created automated release notes using Perl scripts
• Used JIRA to track bug issues and change management
• Splunk deployment, configuration and maintenance across a variety of UNIX and Windows platforms for creating Libraries, projects and jobs in Build forge for automating the build and deploy processes
• Implementing a Continuous Delivery framework using Jenkins, Chef, Maven & Nexus in Linux environment.
• Actively involved in monitoring server performance, network traffic to reduce performance bottleneck by enhanced performance ensuring upstream queuing.
• Used Maven Responsible dependency management system to deploy snapshot and artifacts to Nexus to share artifacts across projects and environments.
• Handled the development of reporting metrics and to provide reports to Management on different levels of statistics.
• Resolved system issues and inconsistencies in coordination with quality assurance and engineering teams.
• Integration of Maven/Nexus, Jenkins, Urban Code Deploy with Patterns/Release, Git , Confluence, JIRA

Environment: Maven, Redhat Linux, Unix, Jira, Jenkins, Nexus, Git, JIRA, Apache/Tomcat server, shell scripts, Perl scripts