Linux/hadoop Cluster Administrator Resume
SUMMARY:
An experienced IT server administrator specialized in Linux server administration and Hadoop cluster administration managed through OpenStack, AWS and Azure cloud environment
TECHNICAL SKILLS:
Hadoop Technologies: HDFS, MapReduce, Yarn, Pig, Hive, Spark Sqoop, Zookeeper & Oozie
Hadoop Distributions: Hortonworks (HDP 2.1, 2.3 and HDP 2.3), Cloudera (CDH 4.7, 5.4)
Databases: Hbase, MySQL
Operating Systems: Linux /CentOS/ RedHat, Windows (server 2008 and 2012)
Network Security: Kerberos, Apache Ranger and Apache Sentry
Cloud environment: OpenStack, AWS and Azure
Scripting: Python, Shell Scripting
Share configuration: NFS, Samba
WebServer: Apache web server HTTP, Windows IIS 7.0, 8.0
PROFESSIONAL EXPERIENCE:
Confidential
Linux/Hadoop cluster Administrator
Responsibilities:
- Provisioning the servers in the open stack cloud environment
- Configuring Identity services through keystone,networking services through Neutron
- Monitoring the openstack services through Horizon
- Maintaining the OS images through Glance
- Worked with system, network, security and storage teams to prepare the environment.
- Designing the cluster based on the project requirements
- Installing and configuring fully distributed hadoop cluster using Hortonworks distribution
- Responsible for configuring High availability Name node and Resource manager
- Managing the cluster nodes and hadoop components
- Managing / Resizing Cinder volume as required.
- Created and managed Swift storage for critical data backups.
- Monitoring the cluster health on daily basis
- Configuring capacity scheduler and fair scheduler to optimize the cluster
- Configuring Security logging and Audit logging
- Configured ldap, ntp and bonded network interface cards (NIC Teaming) for active failover
- Periodic cluster upgrade to maintain the stability
- Fine tuning the cluster to enhance the performance
- Document and track issues via a ticketing system.
- Participated in 24x7x365 on - call rotation.
- Incident lifecycle process and ITSM tool e.g.: Remedy, JIRA
- Troubleshooting and analyzing the error and logs
Confidential
Linux Administrator/AWS Cloud admin
Responsibilities:
- Hands on experience of Application Server Migration from On-premises DC to Cloud.
- Provisioning EC2 instances based on the Load and complexity of the application
- Configure the monitoring through cloud watch for CPU usage alerts
- Configuring firewalls rules and defining security groups / route tables in multi-VPC setup
- Designed & Deployed Elastic Load balancing setup for large scale customers
- Configured Auto Scaling for the Load management and high availability
- Managing and Migrating the database from on-premises to Amazon RDS
- Troubleshooting and analyzing the error and logs
- Managed the config file deployment using Ansible
- Maintaining the tickets through JIRA and Remedy tool.
Confidential
Linux Server Administrator
Responsibilities:
- Installed and configured Linux servers through AWS.
- Configured firewall and networking services for the servers
- Created yum repositories and package configurations on the repository servers
- Extensive experience on the kerberos configuration and managing the users
- Installed and configured NFS in the secured manner through krb5p protocol
- Worked on the samba share configuration on the linux servers
- Experienced on installing and configuring SMTP configuration
- Expertized in installing and configuring the HTTP server through SSL
- Implemented MariaDB configuration for the web application backend process
Confidential
Tech support Executive
Responsibilities:
- Installing and configuring the Dell printers in customer computers
- Analyzing and troubleshooting the base printer communication issues
- Responsible for providing the solution for Inkjet, Laserjet and Enterprise printers
- Fix the software issues in network level
- Educating the customer about the product benefits
- Selling and promoting new products
- Implemented a High availability cluster from the scratch for the Hadoop ecosystem
- Provided end to end support from the open stack till the Hadoop clusters
- Managed the petabyte scalable hadoop cluster through the openstack private cloud
- Automated the scripts using Shell and Python for the routine process
- Provided training for the freshers about the OpenStack and Hadoop clusters