PROFESSIONAL SUMMARY:

• Around 8 years of experience on AWS Cloud/DevOps, Continuous Integration and Continuous Delivery (CI/CD pipeline), Build and Release management, Software Configuration management, Linux/Windows administration and support.
• Experience in working with Agile/Scrum and Waterfall methodologies and participated in all aspects of Software Development Life Cycle (SDLC) such as Analysis, Planning, Developing, Testing and implementing and Post - production analysis of the project.
• Expertise on installing, configuring, upgrading and troubleshooting in Red hat Enterprise Linux (RHEL) 5/6/7, CentOS 5/6/7, Debian, Ubuntu 12/13/14, Solaris, Mac OS x, Windows
• Extensive working experience and broad knowledge of AWS Cloud Services like EC2, ELB, Auto Scaling, VPC, Route53, RDS, S3, IAM, SNS, SQS, Dynamo DB, Elastic search, Elastic File system (EFS), Cloud Foundry, Cloud Watch, Cloud Trail, Lambda, Kinesis, Redshift.
• Capable in designing AWS Cloud models for Infrastructure-as-a-Service ( IAAS ), Platform-as-a-Service ( PAAS ) and Software-as-a-Service ( SAAS ) and broad knowledge on Azure PaaS storages like Blob, SQL Azure and familiar in building cloud infrastructure of OpenStack .
• Ensured, successful architecture and deployment of enterprise grade PaaS solutions using Private Cloud Foundry( PCF ) as well as proper operation during initial Application migration.
• Experience in migrating On-premise infrastructure to cloud platforms like AWS , Pivotal Cloud Foundry ( PCF ) and involved in virtualization using (VMware, VMware ESXi, Xen), Open Stack (Nova, Neutron, Swift, Cinder, Glance), Azure (Service Fabric, Blob, Redis cache, Express Route).
• Expertise in Azure infrastructure management (Azure Web Roles, Worker Roles, SQL Azure, Azure Storage, Azure AD Licenses, Office365) and worked on Virtual Machines, Fabric controller, Azure AD, Azure search, and Notification hub.
• Experience in building servers using AWS : Importing volumes, launching EC2 , creating security groups, auto-scaling, load balancers in the defined virtual private connection.
• Automated the deployments in cloud using AWS Cloud Formation Templates and designed Cloud Formation templates to create custom sized subnets, NAT, VPC for successful deployment of Web applications.
• Involved to trigger AWS Lambda when data is updated or modified in S3 and Data Validations, filtering every data and load the transformed data to AWS Redshift .
• Integrated AWS Dynamo DB using AWS lambda to store the values the items and backup the Dynamo DB streams and implemented Terraform modules for deployment of applications across multiple cloud providers.
• Experience with OpenStack Services such as Compute, Network, Storage, Horizon, Glance, Identity, Monitoring and Orchestration Service.
• Focused on containerization using Docker and its components like Docker Engine, Docker -Hub, Docker -Compose and Docker Registry and orchestration using containerization technologies like Docker Swarm and Kubernetes and deployed spring boot applications.
• Deployed the applications in Docker containers and managed the containers in enterprise level and used Kubernetes to deploy scale, load balance, scale and manage Docker containers with multiple namespace versions.
• Hands on experience in configuring infrastructure as code with various configuration management or provisioning tools like Chef, Ansible and Puppet .
• Developed Chef Cookbooks to manage systems configuration and configured Ansible control machine Ansible Playbooks , Modules and roles and puppet in developing manifests to support Configuration Management.
• Experience in managing and setting up Continuous Integration using tools like Jenkins, Bamboo and extensively worked on Jenkins by installing, configuring and maintaining for continuous integration ( CI ) and for End to End automation for all build and deployments.
• Experience with Version Control Systems like GIT, CVS, SVN (Subversion), and good understanding of Atlassian products like Bitbucket, JIRA and Bamboo.
• Installed, Configured, Managed Monitoring Tools such as Splunk, Nagios for Resource Monitoring, Network, Monitoring and Log Trace Monitoring.
• Configuring and managing an ELK stack (Log Management Tool), setup the Elastic search ELK Stack to collect, search and analyze log files from across servers.
• Good scripting knowledge on Shell, Perl, Python for automation of the build and release process.
• Experience in configuring, managing and administrating Red Hat Linux distributions and Virtualization with VMware ESX server 3.5, 4.0 VMware workstation, virtual box and XEN, REDHAT VMWare vSphere ESXi 5.x/4.x, vCenter 5.x/4. x.
• Developing and maintaining the built environment, the source code control system and managing build packages using Team Foundation Server(TFS).
• Good Knowledge on LVM (logical volume manager) and SVM (Sun Volume Manager) and effectively utilized the partitions by optimizing the space for applications, SSH connections and RAID configuration.
• Experienced using DNS, DHCP and IP Addressing. Installation and configuration of various services - DNS, DHCP, NFS, and Send mail, Apache Web Server, SSH, HTTP, Nginx, JBoss, RPM package management .
• Good knowledge on Java based applications such as Spring MVC, Hibernate, Angular JS, J2EE etc. and web based applications such as HTML, CSS, Java Script, XML etc.
• Experience working in SQL database like MySQL, Oracle 10i/9i/8i, SQL Server and NoSQL database like MongoDB, DynamoDB and Cassandra.
• Self-starter and a good team player with excellent troubleshooting, collaborative, communication and presentation skills.

TECHNICAL SKILLS:

Cloud Environments: AWS, AZURE, OpenStack, PCF

SCM Tools: Git, Subversion SVN, TFS, CVS, Bit Bucket, Perforce

CI/CD Tools: Jenkins, Anthill Pro, uDeploy

Automation& Container Tools: Chef, Puppet, Ansible, Kubernetes, Docker, Kickstart, Jumpstart

Build Tools: ANT, Maven, Gradle

Application Servers: Web Logic Application Server 9.x, 10.x, Apache Tomcat 5.x/7.x, Red Hat JBOSS 4.22.GA, WebSphere 6.x/7.x/8.x

Web Servers: Tomcat, APACHE 2.x, 3.x, JBoss 4.x/5.x, Web Logic (8/9/10) & Web Sphere 4.0/5.0

Monitoring Tools: Nagios, Splunk, Zabbix, Cloudwatch, Newrelic, ELK (Elasticsearch, Logstash, Kibana), JIRA

Storage: EMC Clariion CX series, NetApp.

Backup Management: Veritas NetBackup 4.x/5.x/6.x, Ufsdump, Ufsrestore, Tivoli, Symantec Netbackup 7.x

Clusters: VERITAS Clusters, HACMP (High Availability)

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

Virtualization: VMware ESXi, Windows Hyper-V, Power VM, Virtual box, Citrix Xen, KVM

Scripting: Perl, Python, YAML, Ruby, PHP, Korn and Bash Shell scripting, PowerShell

Operating Systems: Linux (Red Hat 4/5/6/7, CENTOS & SUSE), Solaris 11/10/9/8, HP-UX 11.0, 11.11, 11.23, 11.31, IBM AIX (4.3/5.x/6.x/7.x), HPUX11i V1, V2 & V3, SLES 8, 9, 10, 11 & 12, Ubuntu 12/13/14, Windows NT, XP / 2000/2003/2007, DEBIAN, Mac OS x

PROFESSIONAL EXPERIENCE:

Confidential, Framingham, MA

Sr. Cloud/DevOps Engineer

Responsibilities:

• Experienced in Automating, Configuring and deploying instances on AWS and OpenStack cloud environments and Data Centers.
• Designed AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
• Deploying and configuring AWS Web Application Firewall (WAF) on Amazon Cloud Front as a part of CDN solution to block SQL injections and cross-site scripting.
• Created AWS cloud formation templates to create custom-sized VPC, subnets, EC2 instances, ELB, security groups. Managed other AWS Services like S3, Cloud Front, Cloud Watch, RDS, Kinesis, Redshift Cluster, IAM Roles, Route53, SNS, SQS, Cloud Trail.
• Defined AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed to reach one or more AWS EC2 instances.
• Used AWS Beanstalk for deploying and scaling single tier web applications and services developed with Java, PHP, Node.js, Python, Ruby and Docker on familiar servers like Apache.
• Implemented a production ready, load balanced, highly available, fault tolerant, auto scaling Kubernetes AWS infrastructure and microservice container orchestration.
• Worked on OpenStack cloud to create instances on the cloud utilizing OpsWork(Chef). Instances include RHEL instances with tomcat and apache http server.
• Experienced with OpenStack Services such as Compute, Network, Storage, Horizon, Glance, Identity, Monitoring and Orchestration Service.
• Provisioned the highly available EC2 instances using Terraform and Cloud Formation and wrote new plugins to support new functionality in Terraform.
• Written Cloud Formation Templates (CFT) in JSON and YAML format to build the AWS services with the paradigm of Infrastructure as a Code.
• Installation of AEM 6.1/6.2/6.3 using Ansible, Docker and Python.
• Managed and configured AEM integration with fluend, AWS-SQN, etc. for decoupled architecture.
• Configuration of the Load Balancers and CDN with AEM author and AEM publishers.
• Deploy the numerous services like Redis, Elasticsearch(ELK), Postgres, Spark and data containers in some containerized environments using Docker-compose.
• Created GIT repositories with standard directory layout of a trunk, branches, tags and customized directory based on business/project need.
• Managed Jenkins plugins for Tests, Reports, Notification, User Authorization & Deployment. Created different branching and merging strategies in GIT.
• Implemented Ansible Playbooks for various Linux roles like Nginx, Redis & common Linux services like apt, yum, syslog, SNMP etc.
• Developed Ansible Playbooks to simplify and automate day-to- day server administration tasks.
• Used file modules in Ansible playbooks to copy / remove / modify the files on agent less remote servers from Ansible control server.
• Creating inventory, job templates and scheduling jobs using Ansible Tower. Downloaded and managed Ansible roles from Ansible Galaxy to automate the infrastructure.
• Integrated Chef cookbooks into Jenkins jobs for CD framework and created roles, environments using Chef handlers for different auto kickoff requirement jobs.
• Using Chef, deployed and configured ElasticSearch, LogStash and Kibana (ELK) for log analytics, full text search, application monitoring in integration with AWS Lambda and CloudWatch.
• Implemented Chef Recipes for deploying build on internal Data Centre Servers. Also re-used and modified the same Chef Recipes to create a deployment directly into Amazon EC2 instances.
• Expertise in Installing, configuring and administering Jenkins Continuous Integration tool on Linux machines along with adding/updating plugins such as GIT, Maven, EC2, Sonar, Check style, Deploy to Container, Build Pipeline etc.
• Implemented and maintained CI environments using Jenkins to perform Builds, Deployments production rollouts.
• Evaluated Kubernetes for Docker container orchestration and Integrated Docker container orchestration framework using Kubernetes by creating pods, configMaps, deployments.
• Setup Docker to automate container deployment through Jenkins and Dealt with Docker Hub, making Docker Images and taking care of various Image essentially for middleware establishments and space setups.
• Involved in building and maintaining Docker and Vagrant infrastructure in agile environment.
• Monitoring with Splunk, configured Splunk for log monitoring, log rotation and predictive monitoring. Migrated Splunk config file to multiple remote servers.
• Worked with JIRA for creating Projects, assigning permissions to users and groups for the projects & Created Mail handlers and notification Schemes for JIRA.
• Implemented Microservice Architecture, with Spring Boot-based services interacting through a combination of REST, SOAP and Apache Kafka
• Maintained and developed Docker images for a tech stack including Cassandra, Kafka, Apache, and several in house written Java services running in Open Stack on Kubernetes.
• Assisted the developers in creating uDeploy snapshots, adding version to the snapshot during production installs.
• Creating required scripts in Python, Ruby, Perl and checking out the code from GIT and use Maven pom.xml to build Jar, war, tar and ear artifacts.
• Worked on Grub, PXE boot, Kickstart, Packages, Yum, RPMs, LVM, Boot from SAN, file system configuration.

Environment: Amazon Web Services(AWS), OpenStack, Vagrant, Bamboo, Kubernetes, Ansible, Chef, Jenkins, Nginx, Splunk, Maven, VMWare, ServiceNow, uDeploy, GIT, ELK, Linux/RHEL, Windows, Python, Ruby, Perl.

Confidential, Atlanta, GA

Sr. Cloud/DevOps Engineer

Responsibilities:

• Worked in an "Agile Software Delivery methodology" highly focused on developing & enhancing build pipelines for Continuous Integration and Continuous Deployment (CI/CD) and also involved in Scrum meetings.
• Configured, Deployed and managed public cloud infrastructures using Amazon Web Services (AWS) including EC2, Identity and Access Management(IAM), Elastic Load-balancers (ELB), S3, Elastic Beanstalk, Cloud Front, Elastic Filesystem, Relational Database Service (RDS), DynamoDB, Virtual Private Cloud (VPC), Route53, CloudWatch, Cloud Trail, Cloud Formation.
• Worked in Automating, Configuring and deploying instances on AWS and Azure Cloud environments.
• Worked in Private Cloud and Hybrid cloud configurations, patterns, and practices in Windows Azure and SQL Azure and in Azure web and database deployments.
• Created, configured and managed a cluster of VMs that are preconfigured to run containerized applications using Azure container services and worked on Azure Web Roles, Worker Roles, SQL Azure, Azure Storage and Azure AD Licenses.
• Designed Azure Resource Manager Template and extensive experience in designing custom build steps using PowerShell.
• Designed and configured Azure Virtual Networks (VNets), subnets, Azure network settings, DHCP address blocks, DNS settings, security policies and routing.
• Integrated Amazon EC2 with AWS services such as S3, RDS, VPC to provide a complete, secure solution for computing, query processing, and cloud storage across a wide range of applications.
• Build and configure a virtual data center in the AWS cloud to support Enterprise Data Warehouse hosting including Virtual Private Cloud (VPC), Public and Private Subnets, Security Groups, Route Tables, Elastic Load Balancer (ELB).
• Built S3 buckets and managed policies and used S3 bucket and Glacier for storage and backup on AWS.
• Created and managed AWS users and groups through IAM, and use permissions to allow and deny their access to AWS resources.
• Used AWS Lambda functions to execute code in response to triggers such as changes in data, shifts in system state, or actions by users. Lambda can be triggered by services such as S3, DynamoDB, Kinesis, SNS, and Cloudwatch.
• Worked with Ansible Tower for scheduling playbooks and used GIT repository to store these playbooks and implemented continuous deployment pipeline with Jenkins.
• Created multiple Python GIT hook scripts (pre-push, post-push) to ensure code quality for the code and created and maintained GIT repositories also analyzing and resolving the conflicts related to merging of source code to GIT.
• Written Chef Cookbooks for various DB configurations to modularize and optimize end-product configuration, converting production support scripts to Chef Recipes and AWS server provisioning using Chef Recipes.
• Developed scripts using ruby to automate and unify multi-node Chef deployment, cloud verification, benchmarking, and profiling.
• Mitigated AWS costs by writing the Ansible playbook for auto start / stop of AWS resources at a time of the day by triggering it from Jenkins.
• Pulled the relevant docker images from the hub and created containers, and deployed into Kubernetes Cluster.
• Maintained build related scripts developed in MAVEN, Python and shell. Modified build configuration files including Maven’s POM.xml.
• Worked with container based deployments using Docker, working with Docker images, Docker Hub and Docker registries and Kubernetes.
• Implemented a CI/CD pipeline with Docker, Jenkins and GitHub like when new GitHub branches are created Jenkins automatically attempts to build a new Docker container from it.
• Developed microservice onboarding tools using Python and Jenkins which provides easy creation and maintenance of build jobs and Kubernetes deploy and services.
• By creating YAML scripts, configured the remote servers and implemented Ansible playbooks for installing Apache, Nginx web servers, DB and app servers like MySQL, JBoss.
• Used GIT version control to manage the source code and integrating GIT with Jenkins to support build automation and integrated with JIRA to monitor the commits.
• Used JIRA to detect, organize & giving priorities to the issues & used it for assigning permissions to users & groups for the projects.
• Monitoring with Splunk, configured Splunk for log monitoring, log rotation and predictive monitoring. Migrated Splunk config file to multiple remote servers.
• Wrote intelligent custom health checks using Nagios to reduce notification noise and automate service restarts.
• Administrating and managing windows servers including configuration and troubleshooting of Active Directory, DNS, DHCP, NFS, SAMBA, IIS.
• Responsible for the administration, installation, configuration, troubleshooting and support of MySQL in Linux/AIX and Windows platforms. Provided technical support and training for more than 300 users on the organization.

Environment: Amazon Web Services(AWS), Azure, Vagrant, Docker, Ansible, Chef, Jenkins, Nginx, Nagios, Maven, PowerShell, VMWare, ServiceNow, uDeploy, GIT, ELK, Linux/RHEL, Windows, Python.

Confidential, Auburn Hills, MI

Cloud/DevOps Engineer

Responsibilities:

• Responsible for maintaining Infrastructure in AWS (Amazon Web Services Cloud) by migrating Physical Linux servers to Cloud.
• Initiating Amazon EC2 Cloud Instances (Linux/ Ubuntu) using Amazon Web Services and managing and configuring launched instances with respect to specific applications.
• Managing Multiple AWS instances, assigning the security groups, Elastic Load Balancer (ELB) and AMIs. Created AWS Security groups which behaved as virtual firewalls that controlled the traffic allowed to reach one or more AWS EC2 instances.
• Created and managed S3 buckets for Artifact management and Storage of batch files for multi cluster batch application.
• Created IAM policies, providing access to different AWS resources, designed and refined the workflows to grant access. Used IAM to create new accounts, roles and groups and customizing the JSON template and Glacier for storage and backup on AWS.
• Configured Virtual Private Cloud (VPC) with both public and private subnets, NAT instances, and Elastic Load Balancers. Implemented VPC peering to ensure communication between instances in separate VPCs.
• Maintains the integrity and security of servers and systems, by creating and managing security groups and network ACLs to ensure controlled access to instances and subnets respectively.
• Encrypted EBS volume via KMS to monitor, create alarms & notifications for EC2 hosts using Cloudwatch.
• Set up and built AWS infrastructure with various services available by writing cloud formation templates in JSON.
• Build application and database servers using AWS EC2 and create AMIs as well as use RDS for Oracle DB.
• Created release pipelines using GIT, Chef, and HP operations orchestration tool for automatic workflow.
• Designed and implemented GIT metadata including elements, labels, attributes, triggers and hyperlinks.
• Provisioning, operating, and maintaining systems running on AWS and Configuration management using Ansible.
• Developing and managing Puppet enterprise manifests and modules using puppet DSL to automate infrastructure provisioning and configuration automation across the environments.
• Setup the Python scripts to create the snapshots on AWS S3 buckets and delete the old snapshots.
• Installed and configured Bamboo server for CI to automate the release management for applications, and created a continuous delivery pipeline.
• Managing and optimize the Continuous Integration using Bamboo and troubleshoot the deployment build issues using the trigged logs.
• Building deployable artifacts (jar, war & ear) from the source code using the build tools like ANT.
• Set up Splunk to capture and analyze data from various layers Load Balancers, Web servers and application servers.
• Experience in writing bash shell scripts to automate day to day tasks such as backup, synchronization, systems health, monitoring etc.
• Worked for Creating the Software Configuration Management Plan. Managed all the bug changes into a production environment using the JIRA tracking tool.
• Experience in Installation of SSL Certificates for WebSphere application and web logic application servers Firewall configuration using IP tables.
• Configured and troubleshooting NFS, NIS, NIS+, DNS, DHCP, FTP, LDAP, and Samba, Apache servers in Linux Servers.

Environment: LINUX, Unix Platform, AWS, Bamboo, ANT, Puppet, GIT, EC2, TCP/IP, NIS, NFS, Route53, DHCP, S3, IAM, Cloudwatch, JIRA, Python, Shell.

Confidential

Build and Release Engineer

Responsibilities:

• Installed and configured Linux servers for LAMP (Linux, Apache, MySQL, and PHP) implementations, Worked on RHEL 5/6, Solaris 8, 9 & 10 Operating Systems.
• Scheduled Cron jobs using Cron tabs, created logical volumes using Logical Volume Manager (LVM) & Veritas Volume Manager.
• Worked in migrating code from SVN to GIT repo (stash/bitbucket), clean the GIT repo (purging files).
• Manage Version Control Systems tools like GitHub to implement revision control systems to track, document and control changes to the repository source code.
• Configured GIT with Jenkins and scheduled jobs using Poll SCM option. Developed scripts to pull and push data from GitHub.
• Extensively worked on Jenkins by installing, configuring and maintaining for continuous integration (CI) and for end to end automation for all build and deployments.
• Using build tools like ANT and MAVEN, developed build and deployment scripts in Jenkins to move from one environment to other environments.
• Writing Manifests/Modules for Installation and Updating of Yum repositories on the Server using Puppet infrastructure and to automate configuration of a broad range of services like LAMP Stack, HTTP multiple Vhosts management.
• Developed automation scripting in Python (core) using Puppet to deploy and managed Java applications across Linux servers.
• Worked on configuring the Jenkins to use MetaCase Software to build Java code and also to do the whole C.I process on the java code generated by MetaCase.
• Used JIRA to detect, organize & giving priorities to the issues & used it for assigning permissions to users & groups for the projects.
• Involved in configuring Red Hat Linux Servers using Kickstart server as per project requirements and updating/applying patches to the servers using RedHat Satellite server.
• Configured FTP server to install kickstart file from master server to node machines.
• Worked on User administration setup, maintaining account, Monitor system performance using Nagios.
• Automated daily manual tasks/tests by running Cron Jobs. These jobs consisted of BASH (shell), Perl, Python Scripts that report on a user specified frequency about various issues.
• Responsible for configuring and maintaining Squid server in Linux. Deployed Java applications into Apache Tomcat Application Servers.
• Installation and configuration of various services like DNS, DHCP, NFS, send mail, Apache Web Server, Samba, SSL, SSH, HTTP, RPM package management and experienced in administering Active Directory and group policies.

Environment: Linux/RHEL, Puppet, GIT, Nagios, JIRA, Bitbucket, PowerShell, Bash, TFS, Python, Maven, Jenkins, Ant, Active Directory, Perl, PHP, JBoss, Windows, Python, Splunk, Solaris, HTTP, FTP

Confidential

Linux Administrator

Responsibilities:

• Administered Red Hat Linux 5.x/6 servers for several functions including managing Apache Tomcat server, mail server, MySQL database and Firewall in both Development and Production.
• Responsible for package management like installing, updating and removing different packages using RPM and YUM to update specific packages.
• Installed and configured DHCP, DNS, TCP/IP, UDP, FTP, NFS server and clients, Assigning IP addresses to client hosts, and performed Troubleshooting.
• Worked on Linux Logical Volume (LVM), created volume groups, Logical volumes, file systems, and troubleshooting.
• Responsible for maintaining security on RedHat Linux and provided support to various Linux users.
• Experienced in monitoring system performance and check the status of the system using utilities such as SAR, VMSTAT, IOSTST, NETSAT etc.
• Worked on Updating and developing new scripts using Grep, AWK and regular expression as per the requirements.
• Configured all the authentication information needed at the time of operating system installation in Kickstart file.
• Responsible for Active directory, GPO, Domain users, Administrating users and groups and given appropriate permissions and privilege to access our LAN and Domain environment including shared files.
• Migrated large amount of LDAP data across the environment to create identical production environment to support load testing.
• Worked on changing the application run time process using python scripts for WebLogic configuration and shell scripts for database configuration.
• Coordinating users for any server activities which may involve major changes on software or any hardware related issues.

Environment: Linux, RHEL, Microsoft Windows, RPM, YUM, DHCP, NFS server, TCP/IP, SVN, .Net, Jenkins, Java, Oracle, WebLogic, GIT, LDAP, MySQL, Subversion, Solaris, Apache, JBOSS, Shell scripting, Bash Scripting, Python, Perl

Confidential

System Administrator

Responsibilities:

• Involved in design, configuration, installation, implementation, management, maintain and support for the Corporate Linux servers RHEL 4x, 5.x, SOLARIES 9, CENTOS 5.x.
• Installed and configured Linux virtual machines, standalone servers for various applications via kickstart.
• Creation of disk volumes, Volume groups and Logical volumes (LVM) for Linux operating systems. Installed and configured Apache/ Tomcat web server.
• Administered using tools like SSH, Telnet & Rlogin, performed troubleshooting of DNS, DHCP & active directory.
• Worked with DBA team for database performance issues, network related issues on Linux Servers.
• Creating the shell scripts to automate cron jobs and scheduling these jobs by creating cron tabs.
• Developed Perl and shell scripts for automation of the build and release process. Developed automation scripting in Python to deploy some applications.
• Maintain and administer Active Directory Servers, including daily monitoring, troubleshooting and performance analysis and responsible for daily operational duties.
• Troubleshooting and administering High Availability using VERITAS Cluster Server on various business critical database & application production servers.
• Created the LDAP scripts which monitors the LDAP connectivity and alerts the Admin Group if connection is closed.
• Monitoring and troubleshooting Network like TCP/IP, NFS, DNS and SMTP in Linux servers and System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
• Authorized Solaris users/groups to access various applications and troubleshot various user problems using management tools.

Environment: Red Hat Linux (RHEL 4/5), RPM, YUM, Logical Volume Manager (LVM), Cent OS, jump start server, Red Hat Cluster Servers, Oracle, MySQL, DNS, NIS, NFS, Apache Tomcat