Automation DevOps Engineer

Irfan Mohammad : 732-***-**** *****************@*****.*** www.linkedin.com/in/irfan-mohammad-1a79a3262

Sr. DevOps Engineer with experience in automation, continuous integration, continuous delivery, configuration management, and multi-cloud services adept in the dynamic work environment, with experience in system administration, deployment, and network operations.

Professional Summary:

Around 8 years of experience in the IT industry, including Development, System Administration, and Software Configuration Management (SCM), which encompasses Dev Ops Build/Release Management.

Expertise in Amazon AWS Cloud Administration which includes services like: EC2, S3, EBS, VPC, ELB, AMI, SNS, RDS, IAM, Route 53, Auto scaling, Cloud Front, Cloud Watch, Cloud Trail, Cloud Formation, OPS Work, Security Groups

Experience using Docker to configure and manage containers, run several applications using Docker Compose, and leverage Docker Weave for network communication between containers.

Kubernetes is used to orchestrate the deployment, scaling and management of Docker Containers.

Implemented a production ready, load balanced, highly available, fault tolerant Kubernetes structure.

Hands on experience on Azure Cloud Platform, worked on Azure web application, App services, Azure storage, Azure SQL Database, Virtual machines, Fabric controller, Azure AD, Azure search, and Notification Hub. Experience in using Azure service fabric to package, deploy, and manage scalable and reliable micro services and containers.

Experience in designing complex build and release pipelines using Azure DevOps Services.

Worked on several DevOps tools Subversion (SVN), GIT, Ant, MAVEN, Puppet, Chef, Ansible and Docker for Build, deploy, continuous integration to help developers work in an Agile environment.

Implement Jenkins/GitHub/AWS AMI to manage the cloud platform and set up the Continuous Integration and Delivery automation and orchestration automated server build, management, and monitoring and deployment solutions.

Profusely worked on Version control tools like Subversion, GIT to track changes made by different people in source code.

Configured and Administered Nexus Repository Manager for GIT repositories and builds.

Experienced in using bash, Perl, ruby, and python shell scripting to automate system administration tasks.

Use of Ansible for provisioning, configuration management, and environment automation establishing playbooks for the hosts' software deployment, management, testing, and configuration.

Outstanding proficiency with routers, switches, and load balancers as well as superior understanding of the fundamentals of database installation and configuration familiarity with Pivotal Cloud Services and AWS.

Practice of software development methodologies such as Waterfall, Agile and Scrum, Dev Ops.

Hands on experience with Chef, Puppet and Ansible architecture and concepts.

Experience with APACHE ANT and Maven as a build tool for Java Application.

Configuring and Networking of Virtual Private Cloud (VPC) and Cloud Foundry.

Creating S3 buckets and managing policies for S3 buckets and Utilized S3 bucket and Glacier for storage and backup on AWS.

Hands on with different Bug Tracking Tools such as Rally, Jira, Bugzilla, Clear Quest and Remedy.

Working experience of LDAP, NIS, DHCP, TCP/IP NFS & DNS.

Familiar with concepts of Hashi Corp Tools like Atlas, Packer, Terraform, Console, Serf and Vagrant.

Skilled in supporting WebSphere, WebLogic, Tomcat and JBoss application Server.

Migrating the data to respective DEV and QA Oracle database before doing code roll-out.

Delivery of API platform Testing and Automation Framework Development on Cloud Platform.

Expertise in Querying RDBMS such as Oracle, MYSQL and SQL Server by using SQL for data integrity.

Involved in handling Tickets, Monitoring. Troubleshooting and maintenance for Day-to-day Activities.

Written groovy scripts to use multi branch pipeline projects in Jenkins to configure it as per client's requirements.

Converted existing Terraform modules that had version conflicts to utilize Cloud formation templates during deployments and worked with Terraform to create stacks in AWS and updated the Terraform scripts based on the requirement on regular basis.

Participation in Software Development Lifecycle (SDLC) preparing Requirement Specification documents, design documents, Test cases and Analysis, User Training documents and Technical Help documents.

Experience in installing, configuration and administering of DHCP, DNS, FT and LVM.

Experience in Virtualization technologies VMWare, Virtual box, Vagrant for creating virtual machines and provisioning environments.

Installed, Configured, Managed Monitoring Tools such as Splunk, Grafana, Nagios, iCinga for Resource Monitoring/Network/Monitoring/Log Trace Monitoring.

Experienced in working on big data problems based on open-source technologies Kafka, Hadoop, HBase, OpenBSD, Parquet, PostgreSQL, Chef.

Infrastructure management, infrastructure Health metrics and performance monitoring using CloudWatch, Nagios, Logstash, Prometheus and Splunk.

Worked on Apache Zookeeper, which is used to provide a distributed configuration service, synchronization service.

Worked as a Linux system administrator on Red Hat Enterprise Linux 7, 6, 5, and Solaris 10, 9, 8, as well as Ubuntu and Centos

Continuous integration (CI/CD), Junit tests, and using selenium automation to ensure stable deliverables.

Experience in Installing Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.

Technical Skills:

Operating Systems

Linux (Red Hat 6/7, CENTOS & SUSE), Ubuntu, Solaris 11/10/9/8,

HP-UX 11.0, 11.11, 11.23, 11.31, Windows NT /2000/2003, Windows Server 2008/2008 R2/ 2012/2012 R2, DEBIAN, Kali-Linux, ParrotSec.

Application Servers

WebLogic Application Server 9.x, 10.x, Apache Tomcat 5.x/7.x,

JBoss 4.22.GA, WebSphere 6.x/7.x/8. x.

Web Servers

Tomcat, APACHE 2.x, 3.x, JBoss 4.x/5.x, WebLogic (8/9/10),

Web Sphere 4.0/5.0, Nginx, Jetty (8, 9.2 and 9.3)

Clusters

VERITAS Clusters, HACMP (High Availability)

Volume Manager

Solaris Volume Manager, LVM with Linux.

Backup Management

Veritas NetBackup 4.x/5.x/6.x, Symantec NetBackup 7.x

Cloud Environments

AWS, Microsoft Azure, Google Cloud, Rackspace, OpenStack,

Pivotal Cloud Foundry (PCF)

Automation & Configuration Tools

Chef, Puppet, Ansible, Jenkins, Salt stack, Docker, Vagrant, Terraform, AWS Cloud Formation, AWS Systems Manager, AWS Config, AWS Service Catalog, AWS Code Pipeline, AWS Code Commit, AWS Code Build.

Orchestration Tools

Kubernetes, docker swarm, Apache Mesos.

Networking Protocols

TCP/IP, SSL, TLS, DNS, DHCP, Cisco Routers/Switches, WAN,

LAN, FTP/TFTP, SMTP.

Virtualization Technologies

VMware ESXi, Windows Hyper-V, Power VM, Virtual box, KVM.

Scripting

Java, Node, Go, Python, Ruby, Korn and Bash Shell scripting, PowerShell.

Professional Experience:

Automation DevOps Engineer ConnectiveRx New Jersey Aug 2022 - Present

Responsibilities:+

Worked on AWS like EC2, ELB, IAM. VPC. Cloud Formation, Cloud Front, Security Groups, Auto Scaling, and RDS and Experience in deploying the micro services applications in Pivotal Cloud Foundry (Paas) cloud platform and CF command line interface.

Involved in designing and deploying multitude applications utilizing almost all the AWS stack (Including EC2, Route53, S3, RDS, Dynamo DB, SNS, SQS, IAM) focusing on high-availability, fault tolerance, and auto-scaling.

Creating an AWS RDS MySQL DB cluster and connected to the database through an Amazon RDS MySQL DB Instance using the Amazon RDS Console.

Performance testing and tuning on data pipelines using python and AWS EMR, Spark to process data and generate reports from snowflake data warehouse and amazon S3.

Worked on a proof-of-concept to move legacy datacenters to Windows Azure to address scalability and performance challenges.

Worked on POC where we have created a migration plan to Azure Cloud, including finding the catalog of the current workloads and software, evaluating the compatibility of the apps, and identifying the final locations for each workload.

Designed, set up, and implemented Microsoft Azure for numerous applications that used the Azure stack, including Compute, Web & Mobile, Blobs, ADF, Resource Groups, Azure SQL DW, Cloud Services, and ARM, with a focus on high-availability, Disaster Recovery, fault tolerance, and Auto-scaling.

Used Talend tasks and hybrid systems to transfer data from on-site storage to Azure cloud.

Worked to fix the problems with the migration of databases to Azure Cloud by checking the databases for compatibility.

Used Python and Bash to enhance Ansible and Terraforms automation for activities like scheduling Lambda functions for common AWS chores and encrypting EBS volumes that support AMIs.

Used Terraform for Cloud Automation to set up the target environment, which consists of virtual private networks, subnets, and security groups, before launching the moved servers.

Developed a Jenkins plan that incorporates Terraform for the automation of LINUX/WINDOWS server migration. used Terraform to create the RedShift cluster's IAM instance role for the EC2 instances and to create the CloudTrail for auditing the AWS services.

Worked on Cloud automation using AWS Cloud Formation templates, Python, Ruby, Chef, Vagrant, Chef for configuration management of virtual environments, and Vagrant for virtual machine and resource.

Created AWS Cloud formation templates on creating IAM Roles & total architecture deployment end to end and created and design the AWS Cloud Formation templates to create custom sized VPC, NAT subnets, for deployment of Web applications and database templates.

Created VPC using Cloud formation templates in AWS which includes security groups, key pairs, Route tables and Internet Gateway.

Worked on Ansible playbooks for LAMP stack orchestration, provisioning, configuration management, and application development.

Used Ansible to deploy ELK for automating continuous deployment (CD) and configured Slave Nodes and deployment failure reporting.

Used Ansible Playbooks to automate in AWS services like Launching EC2, Provisioning IAM, Configuring VPC, EBS, Monitoring using CloudWatch and CloudTrail.

Logging Server Remotely using NGINX proxy server. To achieve Continuous Delivery goal on high scalable environment, used Docker coupled with load-balancing tool Nginx.

Used Jenkin pipelines to drive all micro services builds out to the Docker registry and then deployed to Kubernetes.

Develop Docker based infrastructure - Mesos, Kubernetes.

Designed and developed self-service capabilities for platform components and transparent platform-level features to address cross-cutting concerns.

Evaluated new tools and technologies through POCs and propose solutions for implementation to improve the PaaS framework.

Integrated Jenkins with various DevOps tools Nexus, SonarQube, Ansible and used CI/CD system of Jenkins on Kubernetes container environment, utilizing Kubernetes and Docker for the runtime environment for the CI/CD system to build and test and deploy.

Worked with strong software development principles and best practices, such as TDD, CI/CD, code refactoring, and coding standards, to ensure high-quality code.

Used Kubernetes to deploy scale, load balance, scale and manage Docker containers with multiple namespace versions.

Designed, built, and automated the MongoDB Community Edition architecture using Python, Ansible, and other tools to streamline infrastructure tasks and improve operational efficiency.

Collaborated with application developers to provide expert advice and support for MongoDB-related issues, including database design, optimization, troubleshooting, and performance tuning.

Prototype CI/CD system with GitHub utilizing Kubernetes and docker for the runtime environment for the CI/CD systems to build and test and deploy.

Integration of Maven/Nexus, Jenkins, Urban Code Deploy with Pattern/Release, Git, Confluence, JIRA, and cloud foundry.

Experience in implementing, administering, and monitoring tools Splunk, Nagios, Consule, Netcool, Graphite and building, deploying Java and SO applications and troubleshooting the build and deploy.

Involved in Automation by using Python, Shell, bash scripting and developed YAML scripts from scratch.

Environment & Tools: AZURE, AWS, Pivotal Cloud Foundry (PCF), OpenStack, Node.js, Ansible, Terraform, Docker, Docker Swarm, Kubernetes, Jenkins, SonarQube, Git, GitLab, Python, Nagios, Splunk, TFS, JIRA, ELK Stack, Kafka, zookeeper, PowerShell, OpenShift.

Cloud Infrastructure Engineer Allegion plc Indiana Aug 2021 – July 2022

Responsibilities:

Created, Configured, and managed various resources in AWS such as EC2 instances, S3 storage buckets, Elastic File Storage (EFS) systems, Elastic Load Balancers (ELB), High availability zones, Route53, IAM roles, AWS Lambda, AWS Elastic Beanstalk to quickly deploy and manage the applications.

Worked on integrated AWS Cloud Watch with EC2 instances for monitoring the log files and store in cloud watch logs and used lambda services through python scripts for taking regular EBS snapshot. Designed an AWS cloud formation template to create VPC.

Used AWS services like SNS, Cloud Watch and worked on AWS server less architecture like LAMBDA deployed via Terraform Scripts. Created (AMI) and created IAM policies for delegated administration within AWS.

Worked on Ansible to create Load balancers in AWS and wrote Ansible Playbooks to install and configure Apache, Tomcat, Nginx and Jenkins. Used Ansible Roles and Playbooks for Creating S3 buckets and setting permissions for buckets and provisioning & de-provisioning user accounts on Linux instances.

Configured and managed environments DEV, QA, UAT and PROD on OpenStack for various releases and designed instance strategies.

Experience in deploying and maintaining private cloud infrastructure of OpenStack and Cloud Foundry.

Formal training on Open stack - Essentials of Open stack Administration (LFS520) - Advanced Track (modules, lookups, etc) on Puppet - Puppet Architect Advanced.

Migrated Terratest to Azure Terraform modules to automate infrastructure code verification and created new Terraform module performance. Deployed Azure services using Terraform and implemented tests using Golang, Docker and Travis CI.

Created VP using Cloud formation templates in AWS which includes security groups, key pairs, Route tables and Internet Gateway.

Written Cloud formation templates and deployed AWS resources using it.

Automated the cloud deployments using chef, python, and AWS Cloud Formation Templates.

Maintained and enforced the established standards, policies, and procedures of the enterprise to ensure the reliability, availability, and security of MongoDB systems and data.

Helped develop and refine standards and procedures for MongoDB deployment, configuration, monitoring, and maintenance to ensure consistency, scalability, and repeatability.

Designed, Installed, and Implemented Ansible configuration management system.

Used Ansible to manage Web applications, Environments configuration Files, Users, Mount points and Packages.

Docker/Kubernetes Containerization and orchestration of cloud-based applications Understanding the business charity requirements. Building dynamic website using XHTML, ASP. Net, and CSS.

Worked with Red Hat OpenShift Container Platform for Docker and Kubernetes, Used Kubernetes to manage containerized applications using its nodes, ConfigMaps, selector, Services, and deployed application containers as Pods.

Maintained Artifacts in binary repositories using JFrog Artifactory and pushed new Artifacts by configuring the Jenkins project that uses Jenkins Artifactory plugin.

Responsible for installation & configuration of AWS Code Build to support various Java builds and Jenkins plugins to automate continuous builds and publishing Docker images to the JFrog repository.

Worked on CI/CD tools - Jenkins, Git, Jira for bug tracking, Maven & Nexus Artifactory configuration management, automation using Puppet, Shell scripting in Linux environment and Integration of Maven/Nexus, Jenkins, Git and JIRA.

Deployed and configured Git repositories with branching, forks, tagging, and notifications. Experienced and proficient in version controlling and administering GitHub.

Worked on AWS Ansible Python Script to generate inventory and push the deployment.

Written Python scripts to create test cases during two-week sprints using agile methodology.

Working experience of deployment of Java applications through WebLogic/WebSphere Application servers.

Developed automation scripting in Python to deploy and manage Java applications across Linux servers.

Involved in troubleshooting Network, memory, CPU, swap &file system issues, TCP/IP, NFS, DNS and SMTP in Linux Servers.

Managed System Administration tasks during high deliverables for Linux servers.

Knowledge of databases like MySQL, Oracle 10g/11g, MSSQL, MongoDB, Dynamo DB.

Provided Build Scripts for Database Projects to Deploy DB and populate Test data in DB for various environments.

Environment & Tools: AWS, Docker, OpenShift AKSREHL, Jenkins, RedHat Linux 7.x, VPC, NAT, IAM, S3, EC2, Route 53, GIT, GitHub, Splunk, ELB, Apache, Shell Scripts, Cloud Watch, Cloud Formation, Puppet, Python, Ruby, Vagrant, ELK, Amazon RDS, Maven, Docker swarm.

Aws DevOps Engineer Zoom New York City June 2020 – July 2021

Responsibilities:

Worked on Cloud and DevOps engineer in Automating, Configuring, and deploying instances on AWS, AZURE Cloud environments and Data centers. Used Azure Express Route to set up a private connection to Microsoft cloud services such as a Microsoft Azure, Office 365

Used AWS EKS to run the Kubernetes management infrastructure across multiple zones to eliminate a single point of failure and created alarms and trigger points in CloudWatch based on thresholds and monitored the server’s performance, CPU Utilization, disk usage.

Worked on designing Kubernetes cluster using AWS-Kops (EKS) configuring and deploying the Kubernetes dashboard to access the cluster via its web-based user interface. Customize the Halyard configuration to deploy Spinnaker in private Kubernetes cluster. Mirrored the Docker images required for Spinnaker from external registry to private Docker.

Maintained and developed Docker images for a tech stack including Cassandra, Kafka, Apache, and several inhouse written Java services running in Google Cloud Platform (GCP) on Kubernetes.

Set up a GCP Firewall rules to allow or deny traffic to and from the VM's instances based on specified configuration and used GCP cloud CDN (content delivery network) to deliver content from GCP cache locations drastically improving user experience and latency.

Written Cloud Formation Templates in JSON and YAML format to build the AWS services with the paradigm of Infrastructure as a Code.

Worked on a POC to improve cloud deployment reviewing Cloud Formation, Chef and Terraform

Created Chef Cookbooks and wrote recipes in Ruby Script to install and configured Infrastructure across environments and automated the process using Python Script. Experience working with Chef Enterprise and Chef Open Source, Chef DK, Chef Workstation, Chef-Server, and Chef-Client.

Migrated configuration management from Puppet to Chef.

Configured and maintained Jenkins to implement the CI process and integrated the tool with ANT to schedule the builds and Setting up CI (Continuous Integration) for major releases in Jenkins and TeamCity.

Implemented CI for end-to-end automation of all builds and deployments using Bamboo and TeamCity.

Worked on ANT and MAVEN Scripts to automate the build process and Built source code and created Dynamic Views and Snapshot views for end users using Maven scripts.

Developed build and deployment scripts using Apache Maven as build tool in Jenkins to move from one environment to other environments and automated builds using Maven and Ant for creation of build artifacts like war or ear files.

Monitoring CPU, memory, physical disk, Hardware, and Software RAID, multipath, file systems, network using the tools NAGIOS 4.0 monitoring.

Involved in configuring the monitoring and alerting tools according to the requirement like AWS Cloud Watch, AWS Cloud Trail, Dynatrace, Nagios, Splunk Enterprise, SNMP monitoring for the VPN connections.

Building custom Ansible modules in python, executing production deployments. Build and support PostgreSQL Database for Ansible. Supporting an enterprise Linux infrastructure of Linux nodes in the build and release pipeline.

Performance Management & Tuning of Linux Kernel.

Environment & Tools: AWS, OpenShift, Chef, Docker, Ansible, Jenkins, Terraform, Kubernetes, ANT, Maven, Ruby, Shell, Python, WebLogic Server 11g, Load Balancers, WLST, Apache Tomcat 7.x, Virtualization, Configured plug-ins for Apache HTTP server 2.4, Nginx, LDAP, JDK1.7, XML, GitHub, Nagios, Splunk.

Cloud Engineer Cisco Meraki New jersey Nov 2018 – May 2020

Responsibilities:

•Installed workstations, booted up nodes, created playbooks and uploaded them to ansible-server, managed on-site OS/Applications/Services/Packages using ansible, and used ansible playbooks to manage EC2/S3&ELB on AWS.

•Assisted with the deployment of a variety of AWS cloud applications using Amazon EC2, S3, RDS (MySQL), elastic load balancing, auto scaling, cloud front, elastic block storage, elastic beanstalk, cloud watch, identity access management, and the implementation of virtual cloud platforms using Amazon Virtual Private Cloud.

•Azure PaaS offerings such as Azure Web Apps, Web Roles, Worker Roles, SQL Azure, and Azure Storage. The Operations Management Suite (OMS) has been set up and deployed for monitoring and change tracking.

•Working knowledge of Windows Azure services such as PaaS and IaaS, as well as Blob (Page and Block) and SQL Azure storage. seasoned in virtualization, deployment, and configuration management.

•Developed server-less services (Azure Functions) VSTS was used to develop and set up HTTP Triggers in Azure Functions with Application insights for monitoring and load testing on the Applications.

• Used Ansible Playbooks to migrate over 80% of VMware VMs to AWS and Managed Services like EC2, S3 Bucket, Route53, ELB, and EBS.

• Create and setup Cloud Formation JSON templates for AWS infrastructure resources like VPC, EC2, S3, IAM, EBS, Security Group, and RDS.

•• Templates for automated deployment of relational and NoSQL databases on AWS. AWS Beanstalk was used to deploy web services and applications created in Java, PHP, and Node.js on web servers like Apache.

•• Built microservices applications using Amazon EKS that integrate with AWS services and give users access to the entire Kubernetes capability

•• Helm-managed Kubernetes charts. monitored Helm package releases, produced repeatable builds of the Kubernetes apps, and maintained the Kubernetes manifest files.

•• Support for all other AWS products, including Lambda, RDS, Cloud Trail, Elastic Cache, and Route53 (DNS).

•Created monitors, alarms, and notifications for EC2 hosts using CloudWatch. Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using Ansible.

•Implanted a continuous Delivery pipeline with Docker, Jenkins and GitHub. Whenever a new GitHub branch gets started, Jenkins our continuous Integration server, automatically attempts to build a new Docker container from it.

•Planning, deploying, monitoring, and maintaining AWS cloud infrastructure consisting of multiple EC2 nodes and VMWare VM's as required in the environment.

•Used security groups, network ACLs, Internet Gateways, NAT instances and Route tables to ensure a secure zone for organizations in AWS public cloud.

•Utilize AWS CLI to automate backups of ephemeral data-stores to S3 buckets, EBS and create nightly AMIs for mission critical production servers as backups.

•Provided security and managed user access and quota using AWS Identity and Access Management (IAM), including creating new Policies for user management in JSON.

•Used bash and python, included Boto3 to supplement automation provided by Ansible and Terraform for tasks such as encrypting EBS volumes backing AMI’s and scheduling lambda functions for routine AWS tasks.

Environment: Subversion, GIT, Jenkins, ANT, MAVEN, Atlassian JIRA, AWS, Azure, Apache, Ansible, Tomcat, RedHat, Linux, Perl Scripts, Shell scripts, SonarQube, MYSQL, Docker, Kubernetes, Bash, JBoss.

Build & Release Engineer Empower Bangalore Jan 2017 – Oct 2018

Responsibilities:

•Used Red Hat Satellite server, YUM, and RPM tools to manage and administer all UNIX servers, including Linux operating systems, by deploying pertinent patches and packages during routine maintenance intervals.

•Planned and carried out hardware maintenance, such as swapping out memory modules, disk devices, SAS, SATA, and SCSI devices, as well as upgrades to the Linux operating systems (RHEL-5x, 6x, SUSE-10,11, CENTOS-5,6,7). addressing problems relating to NFS, Auto Mount, DNS, and LDAP.

•Utilizing the tools to monitor the CPU, RAM, physical disk, Hardware, and Software RAID, multipath, file systems, and network NAGIOS 4.0 surveillance.

•Install new / rebuild existing servers and configure hardware, peripherals, services, settings, directories, network, storage in accordance with standards and project/operational requirements.

•Troubleshooting cluster related problems by checking log files and using cluster commands.

•Performing failover and integrity test on new servers before rolling out to production.

•Performed Kick start installations in Linux.

•Deployment and Configuration of application server JBoss deploying Java and Web Application

•Writing shell scripts for automation of daily tasks, documenting the changes that happen in the environment and in each server, analyzing the error logs, analyzing the User logs, analyzing the /var/Adm/messages.

•Supported host provisioning using Satellite, Kickstart, and CF Engine.

•Worked on OpenStack project which included code review, continuous integration systems, and developer tools.

•Responsible in Building Object Oriented Applications using Java, writing Shell scripts on UNIX.

•Planned, scheduled and Implemented OS patches on Linux boxes as a part of proactive maintenance and Secure Shell (SSH) implémentation.

•Installed and configured RedHat (5.0/6.0) on Dell Power Edge server.

•Installed and administrated of Splunk in RedHat Linux.

•Installed VMware ESX server on Dell Servers and configured SUSE 11.x RedHat Linux 5.0, 6.0 / Windows virtual machines for various applications.

•Assist the Information security system in using GitHub for code sharing and publishing service.

•Used Rational Team Concert to provide collaborative change management for faster software delivery.

•Used Jenkins to perform continuous integration. Also monitor version control and build process.

•Maintenance of continuous integration based on Maven and Hudson.

•Provide support to development, test, customer service and production support.

•Used Chef for managing server application server such as Apache, MySQL.

•Installation, configuration, and customization of services Send mail, Apache, FTP servers to meet the user needs and requirements.

•Performing kernel and database configuration optimization such that it limits I/O resource utilization on disks.

Environments & Tools: Red Hat Linux 4.x, 5.x, Oracle 10g, Samba, Autosys, VMware vSphere 4.0, VMware ESX 3.5.0.

Linux/Unix Administrator Wolters Kluwer Bangalore Sept 2015 – Dec 2016

Responsibilities:

•As a Linux/Unix system maintained the various servers and Production Support of various applications in RedHat Enterprise Linux, and Windows environment.

•Worked on Installation, Configuration, Upgrade, Patches, and performance tuning on UNIX and system software & hardware.

•Worked on Installing, configuring, and maintaining the file sharing servers like Samba, NFS, FTP and WebSphere & WebLogic Application Servers, Nagios.

•Worked on configuration and maintenance of common Linux services such as Tomcat, Apache, MySQL, NFS, FTP, Postfix, LDAP, DHCP, DNS BIND, HTTP, HTTPS, SSH, iptables and firewall etc.

•Ability to handle load balancer implementations like bonding multiple interfaces into single bond in case of over-load on LAN devices.

•Implementation of RAID 0/1/5 for creation of logical volumes using VERITAS Volume Manager and Red hat cluster servers in SAN Storage Area Environment.

•Strong understanding in writing the automation of processes using the shell script with bash and Python.

•Building servers with jumpstart using Kickstart, CD on timely basis, along with corporate wide requirements.

•Knowledge on Server administration, Kernel upgrade and deployment of patches and applying all firewall and security policies with emphasis on maintaining best practices.

•Administering local and remote servers on daily basis, troubleshooting and correcting errors

•Monitoring of web servers and other services using Nagios monitoring tool.

•Worked on RHEL Provisioning, Upgrades, Patching, Configuration and Performance Tuning in Linux environment using satellite server.

•Worked on VDI Operations and Configuration, VMWare, ESX/ESXi.

•Database administration of MySQL, Oracle, or equivalent Data Base programs.

•Performed OS installations, OS Upgrades, and Server Patching by configuring PXE and DHCP server using Kickstart Configuration and by using Red Hat Satellite server.

•Worked on creating Disk Partitions, Logical Volume Manager (LVM) and RAID.

•Debugged network connectivity issues and involved in trouble shooting activities with commands ping, trace route, tcpdump, nslookup, netstat, iOS tat, top.

•Worked on writing Shell

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