SUMMARY:

• DevOps Engineer with more than 8 years of experience in IT Industry with extensive experience in automation and operations across various physical and virtual platforms (Unix, Linux and Windows) with CI/CD pipeline.
• Experience in managing multiple environments ranging from as few as 10 servers to 200+ in AWS.
• Worked on Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Chef and Ansible.
• Experience in working with multiple public and private cloud platforms like Amazon Web Services (AWS), Azure, Rackspace, Google Cloud Platform (GCP).
• Built and developed CI/CD pipelines scriptsin jenkins
• Proficient in using all Amazon web services like EC2, EBS, IAM, S3, ELB, RDS,VPC,Route 53,Cloudwatch,Cloudformation etc.
• Release Process Implementation like DevOps and Continuous Delivery methodologies to existing Build & Deployment Strategies.
• Expert in configuring and integrating the servers with different environments to automatically provisioning and creating new machines using configuration management tools like Ansible and Chef.
• Hands on experience in containerization and clustering technologies like Docker, Docker swarm, Docker Cloud.
• Hands on experience in setting up Kubernetes container orchestration framework and deploying application onto it.
• Release Process Implementation like DevOps and Continuous Delivery methodologies to existing Build & Deployment Strategies.
• DefinedAWSsecurity groups which acted as virtual firewalls to control the incoming traffic onto one or moreAWSEC2 instances.
• Expertise in managing VPC configurations for organizations and maintaining networks and subnet ranges.
• Managed On - site Applications, Services and Packages using Chef as well asAWSfor EC2/S3/Route53 and ELB with Chef Cookbooks.
• Troubleshooting DNS issues using DNS utilities like nslookup, Dig etc.
• Setup internet load balancing on Multiple ISP, Firewall, Port forwarding, IP routing using IP Tables.
• Managed all the bugs and changes in production environment using the JIRA tracking Tool.
• Involved in setting up JIRA as defect tracking system and configured various workflows, customizations and plugins for the JIRA bug/issue tracker.
• Installation, Configuration and Management of RDBMS and NoSql tools such as MySQL, PostgreSQL, MongoDB, Cassandra and Redis.
• Expertise in implementation and maintenance of Apache HTTPD, SMTP, DHCP, NFS, LDAP, DNS, SAMBA, SQUID, Postfix, Send mail, FTP, Remote Access, Security Management & Security trouble shooting skills.
• Experience in supporting and maintaining production servers.
• Extensively worked on Continuous Integration Tool Jenkins to automation of build and deployment process.
• Managed GIT version control system in creating branches, tags and merge.
• Performed Disk Management with the help of LVM (Logical Volume Manager).
• Experience in real-time monitoring and alerting of applications deployed in AWS using Cloudwatch, Cloud Trail and Simple Notification Service.
• Familiar with Atlassian Suite (Confluence, JIRA, BitBucket etc.), Assembla.
• Experience in installation, configuration, backup, recovery, maintenance of various databases.
• Installed and Configured - DNS, Mail Server, Apache Web Server on Linux and Solaris.
• Deployed NewRelic monitoring tool and set up monitoring dashboard for alerts and application and instance failures.
• Setup and configuration of Application and classic Load Balancers.
• Administration specialization in Installation Configuration of Linux, Red Hat Enterprise, Sun Solaris, Centos, and Ubuntu OS and in Network/Security Management.
• Acquainted in Amazon Web Services cloud solution, architecture, related technologies and their inter-dependencies.
• Jenkins integration with SCM repositories like Visual Studio Team Services Version Control, GitHub, for automated builds and code testing.

TECHNICAL SKILLS:

Cloud Technologies: AWS, Rackspace, Azure

Databases: Oracle 10g & 11g, MySQL, MS SQL, Postgresql, MongoDB.

Operating systems: RHEL, CentOS, Debian, Ubuntu, CoreOS, HP UX, Esx, Esxi

Monitoring: NewRelic, Nagios, Prometheus, Grafana

Logging: Papertrail, Kibana

SCM: Github, Git

Configuration tools: Ansible, Chef

Continuous integration: Jenkins, SVM Git, GitHub.

Orchestration: Docker, Docker swarm, Docker cloud

Scripting: Python, Bash, sed, awk.

Security: TCP/IP Wrapper, SSH, SCP, RSYNC.

Storage: HP EVA 8400 SAN storage.

Networking: DNS, DHCP NFS, RPM, YUM, LDAP and Auto FS, LAN, WAN, IPTables.

WORK EXPERIENCE:

Confidential, San Jose, CA

Cloud & DevOps Engineer

Responsibilities:

• Working on configuring Dockers using Docker Cloud.
• Configured ELB setup on AWS.
• Deploying, managing, and operating scalable, highly available, and fault tolerant systems on AWS Using EC2, ELB, Auto Scaling, etc.
• Developing Ansible playbooks for various applications and deploying them on AWS.
• Automated Cloud deployments of AWS services like EC2, ELB, VPC, Route 53 with AWS Cloudformation Templates.
• Developing custom scripts using AWS cli.
• Manage and configureAWSinfrastructure. Including cloud services, SQL databases, sites, Service Bus, Stream Analytics jobs, and Virtual Machines
• Managing IAM (Identity access management) profile using IAM roles and instance profiles.
• Container based application deployments usi CI server (jenkins) on AWS regions.
• Implementing VPC and instance Hardening practices with automated scripts.
• Integration of different plugins to ELK stack e.g. Kafka, S3, Beats, Redis, and RabbitMQ.
• Utilize VMware, AWS, Azure for deploying servers
• Configure Redis Sentinel for High Availability of Redis cluster
• Worked on Ansible to automate AWS instance creation and also Deploying application.
• Install, configure and support Microsoft technology solutions on windows 2008/2012 platform hosting web and database applications, while maintaining security patches, antivirus updates, backups, monitoring and performing routine server maintenance.
• Worked on tools like JIRA, Agile/ Scrum methodology, Rally with short sprint cycle to release product.
• Configured and architectured monitoring of AWS resources with Cloudwatch, Sysdig, Datadog and integrating Notification services with AWS SNS and Pagerduty.

Confidential, San Francisco, CA

DevOps Engineer

Responsibilities:

• Configured RabbitMQ a messaging service and created user access.
• Configured Redis Sentinel for High Availability Redis cluster.
• Developing scripts for automatic deployment (JSON, YAML and Dockerfiles).
• Container orchestration using Mesos, Marathon and Docker swarm.
• Worked on monitoring tools like Pagerduty and Nagios.
• Worked on log management tool Papertrail.
• Working on Jenkins for Continuous Integration and continuous deployment.
• Performed administrative tasks as user management in JIRA and Confluence.
• Working on Chef for Configuration provisioning and automation.
• Worked with MySQL GUI tools, MySQL Workbench, MySQL Administrator, MySQL Query Browser
• Working on AWS, AZURE and RACKSPACE for deploying servers and configuring security groups
• User administration in Atlassian Suite (Confluence, JIRA).
• Deployed NewRelic monitoring tool and set up monitoring dashboard for alerts and application and instance failures.
• Managed GIT version control system in creating branches, tags and merge.
• Managed On-site Applications, Services and Packages using Chef on Rackspace.
• Installed and configured Redis and Memcached.
• Worked on ShareFile by creating users assigning roles, created directories and managed their profile.
• Managed TrendMicro client account and got end users configured for it.
• Created users and assigned roles for RabbitMQ logins using Chef.

Confidential, Sunnyvale, CA

DevOps Engineer

Responsibilities:

• Designing secure, scalable, and highly available architectures for web services
• Administering AWS environment, including provisioning and operation of compute instances and
• AWS services, user management, security, and traffic management
• Incident response (alongside software developers and site reliability engineers) with rotating on-call responsibility.
• Automating the configuration, delivery, and operation of infrastructure systems and services
• Linux systems administration tasks (e.g., software install/patch/update, configuration, image management) using Ansible.
• Continually control cloud costs by reviewing deployed ecosystem, suggesting improvements and efficiencies
• Collaborate with software development and security teams to architect, build, deliver, and manage solutions
• Configure and tune monitoring and logging systems.
• Implementation of AWS solutions with the use of S3, EC2, EBS, RDS, Elastic Load Balancer, Optimized volumes, Auto scaling groups and EC2 instances.
• Configured Elastic Load Balancers using EC2 Auto scaling groups, and Created multi AWS VPC instances.
• Worked on Installation/Configuration/Administrated VMware ESXi 5.1/5.5 & 6.0 and migrated the existing servers into the VMware Infrastructure and Managed data stores and vcenters with VMware Installation and ESX hosts configuration and Worked on migrating Vmware to AWS using snowball and AWS import/export.
• Migrated applications to AWS cloud with the use of VMDK Import tools.
• Worked on handling of Day-to-Day operations of several servers running Backups, Production jobs, Report generations and Restores.
• Setup puppet master, client and wrote scripts for deploying applications on QA, Dev production environment.
• Deployment and monitoring of scalable infrastructure on Amazon web services (AWS) & configuring management using puppet.
• Perform release and build management in Stash/ Jenkins/ git environment with Jenkins on-demand slaves in Amazon EC2 cloud, for Ubuntu Java development environment.
• Worked on Configuration Management Tools (PUPPET, Ansible) and Logged events from forced crash dumps and was involved in troubleshooting server issues.
• Responsible for puppet maintenance and implementation and development of puppet manifests in Ruby.
• Configured AWS that includes management of applications in the cloud and creation of instances.
• Performed Vstorage and VMotion administration for successful maintaining of data migration. Maintaining the Backups of VM's and taking snapshots.
• Centralized monitoring and logging for the systems that are running on cloud(s) and on-premise, using tools such as Nagios/Splunk and Installed monitoring tools Nagios/Splunk.
• Developed the Red Hat Enterprise Linux based infrastructure in cloud environment.
• Developed automation scripting in Python (core) with the use of Puppet for deploying and managing Java applications on Linux servers.
• Worked on Continuous Integration System i.e. Jenkins. Used Jenkins for official nightly build, test and managing change list. Installed Multiple Plugins for smooth build and release build pipelines.
• Migrated out Core Repository from SUBVERSION to GIT. Involved in Individual Migration of all the code base from subversion to GIT ensuring that health of our builds is not affected.
• Involved in Administrating GIT server and Continuous Integration system like Jenkins and handled escalations from developers across the globe.
• Installed and configured the DCHP server for giving IP leases to the production servers.
• Managed RedHat Linux user accounts, directories, groups, and file permissions and Installed packages using rpm and yum.
• Applied Clustering Topology for meeting High Availability and Failover requirement for functionality and performance.
• Installation, administration and configuration of LDAP, DNS, NIS, NFS, NIS+ and Sendmail on the RedHat Linux/Debian Servers.
• Installation, administration and configuration of Open VPN server.
• Managed and configured ESX VM’s with VI client and virtual center.
• Installing and configuring Postgre SQL database on the RedHat/Debian Servers.
• Performed Disk management using LVM (Logical Volume Manager).
• Creation and maintenance of network users, directories, user environment, and security.
• Provision of support for building server, user administration tasks, patching, software installation, deployment, troubleshooting, performance tuning and KVM.
• Provided on call support 24/7 on Linux Production Servers.
• Responsible for security maintenance on RedHat Linux.

Confidential

Basis Administrator

Responsibilities:

• Installation of SolMan and SAP ECC6.0 system.
• User creation and administration like lock / unlock the user ID, modifying the profiles based on requirement.
• Creating single, composite and derived roles and assigning roles to users.
• Generating and maintaining authorizations and profiles using PFCG.
• Checking the missing authorizations, open authorization fields and organizational values.
• Generating keys for installation of SAP systems.
• Creating satellite system.
• Configuring system administration.
• Configuration of Maintenance optimizer(MOPZ).
• Installing SAP BI System and connecting it the SAP Landscape.
• Creating new clients.
• Perform user administration and creation of roles/authorization as per Authorization Matrix, and resolve authorization problem at object level.
• Updating the support packs of SolMan and BI to the latest level.
• Kernel upgradation.

Confidential

SAP - Basis Administrator

Responsibilities:

• Installation and configuration of SAP R/3 4.7, ECC 5.0, ECC 6.0 Enterprise Edition, Solution Manager 7.0.
• Working with System Profiles and Various Parameters to ensure the servers are up and running properly.
• Configuration of Transport Management System (TMS) to ensure that the objects move smoothly across the landscape and transporting User requests through STMS.
• Proficient in monitoring Background jobs and scheduling jobs and Rescheduling of cancelled jobs.
• Identifying problems by Analyzing system log, Work processes status, Work process logs, DB log.
• Monitoring operating system, memory, disk space and work processors to check their status.
• Client Administration including new client creation, local client copy, remote client copy, client export and import, client deletion, and assigning client to a logical system.
• Creation of roles/authorization as per Authorization Matrix, and resolve authorization problem at object level.
• Perform user administration (creating, changing, maintaining, deleting user accounts and assigning roles) through profile generator.
• Configuring and monitoring of RFC Connections, system profiles.
• Creating roles as per the requirement of the Functional Consultants and assigned required roles for the database access.
• Implemented SAP Notes for resolving errors and upgraded SPM to latest versions.
• Proficient in kernel upgrade, applying Support packages, user administration and has excellent troubleshooting skills.
• Installing and configuring of SAPGUI for end users.
• Installation of Central Instances, Application Dialog instance for load balancing

Confidential

SAP - Basis Administrator

Responsibilities:

• User creation and administration like lock / unlock the user ID, modifying the profiles based on requirement.
• Troubleshooting of user authorization and modifying user authorization access.
• Creating reporting authorization object and implementing info object level security.
• Maintaining authorizations for data targets for reporting users.
• Creating the user groups and assigning the locked users to user group.
• Creating single, composite and derived roles and assigning roles to users deleting the date delimited roles.
• Generating and maintaining authorizations and authorization profiles using PFCG.
• Maintaining the missing authorizations, open authorization fields and organizational values.
• Performed user comparison using PFCG, PFUD.
• Creating and locking & unlocking the users based on the requirement, password resetting in central user administration environment.
• Updating SU24 for transaction codes and adding objects.
• Good knowledge on user information system (SUIM).
• Troubleshooting and fixing all authorization issues in Production, Quality, Development.
• Worked extensively on Analyzing and Solving production problems as part of SAP security team.
• Communicate with the end users while resolving the issues.