SUMMARY:

• To obtain a challenging position in the organization that would effectively utilize my skills and abilities.
• Strong Background in Linux/Unix Systems Administration, Hadoop administration, SAN/NAS and other Enterprise Architecture/Infrastructure Environment.
• An excellent team player.
• Proven Ability to Learn Quickly, Multitasking, Root Cause Analysis and Troubleshooting.
• High Motivation, Strong Communication, Collaboration and Prioritization Skills.
• Strong Customer Focus.
• Certifications in Solaris, Redhat Linux and ITIL process.

PROFESSIONAL EXPERIENCE:

Technical Support Engineer

Confidential

Responsibilities:

• Supporting Hortonworks Hadoop distribution on mission critical environments.
• Install, configure and support HDFS, Mapreduce, YARN, Zookeeper, Ambari, Hive, Hbase, Ranger, Kerberos and many other Major Hadoop services.
• Specialized in Hadoop core (HDFS, Mapreduce, YARN, Zookeeper, Ambari) and NoSQL components (Hbase, Phoenix).
• Responsible for supporting Major customers for many critical Hadoop related issues.
• Resolve customer problems via telephone, email or remote access.
• Research customer issues in a timely manner and follow up directly with the customer with recommendations and action plans.
• Escalate cases to management when customer satisfaction comes into question.
• Cluster maintenance, Adding and removing cluster nodes, Cluster Monitoring and Troubleshooting, Manage and review data backups, Manage and review Hadoop log files.
• Good knowledge on implementation and troubleshooting of kerberos on HDP cluster.
• Maintenance and support of the large scale HDP Clusters.
• Interacting with different customers for day to day support.
• Continuous monitoring and managing the Hadoop clusters.
• Perform major and minor upgrades.
• Created backup of metadata in case of urgency.
• Installation and configuration of Kerberos.
• Commissioned and decommissioned the Data Nodes in the cluster in case of the problems.
• Check the disk space in cluster nodes.
• Built high availability for major production cluster and designed automatic failover control using Zookeeper Failover Controller (ZKFC) and Quorum Journal nodes.
• Managing the cluster resources by implementing capacity scheduler by creating queues.
• Managing MYSQL databases for different HDP services like Ambari, Hive, Ranger etc.
• Configured various views in Ambari such as Hive view, Tez view, and Yarn Queue manager.
• Worked on name node recovery, capacity planning, and many major recovery scenarios.
• Responsible in setting log retention policies and setting up of trash interval time period.
• Working with customer's Unix/Linux Admin team to finalize hardware and OS requirements for the Hortonworks Cluster.
• Performed different types of cluster data backup and recovery.
• Worked on implementation and troubleshooting of SSL on major components.
• Supporting all issues related to Hadoop core and other major components.
• Helping L1 team on escalated cases.
• Supporting High availability of major hadoop components.
• Monitoring / troubleshooting, and reviewing Hadoop log files.
• Configuration of SSL on major hadoop components.
• Experience on Ranger Configuration and troubleshooting with LDAP.

Unix/ Linux System Administrator

Confidential

Responsibilities:

• Supporting 24/7 mission critical production network with a mixture of various Linux distros and Solaris.
• Managing Horton works Hadoop (HDP 2.2) with 15 nodes.
• Tuning of different services in Hadoop cluster for better performance
• Namenode HA configuration.
• Ambari upgradation.
• HDP 2.2 to HDP 2.3 Upgradation
• Setting up IPMI & iKVM for new physical harwares.
• 3PAR to HDS storage migration on solaris.
• Setting up chef workstation and managing chef clients
• Supporting chef deployments and other chef admin activities.
• Weblogic Installation and configuration.
• Online San migration in Solaris from HP 3PAR to HDS in a critical ZFS environment.
• Remediation / hardening of servers as per the vulnerability reported by security team.
• Managing LDAP/DNS servers in different environments.
• OCFS2 administration
• Configure JVMs monitoring via JMX in Solarwinds.
• Supporting Linux in VMware environment.
• Part of Data center migration project.
• Supporting Urgent hot fix changes from Linux perspective.
• Oracle cold cluster failover setup with 5 nodes.
• Installation, Configuration and support of Vormetric appliance which is used as an encryption mechanism for Cassandra DBs.
• CommVault Agent installation and configuration of backup.
• Installation and configuration of powerbroker in Linux servers to bind them with windows AD.
• Installation and Management of cloud VMs in Skytap.
• Solarwinds Administration
• OS installation on UEFI / GPT based hardwares.
• Helping team by creating Knowledge Base articles and conducting training on various Hadoop services.

IT Analyst

Confidential, Warren, MI

• Working with Confidential Onstar Global Unix team.
• Support Critical Linux/Solaris production environment.
• Expertise in Qualys Guard tool, which is used to scan servers for potential Vulnerabilities and policy compliance.
• Build Solaris, Redhat, Oracle Linux and Suse Linux servers as per GM security standards.
• Remediating the Unix servers based on the policy compliance and vulnerability report.
• TPAM administration
• Solaris build, Patching and administration
• Suse Linux patch management.
• Application installation and up gradation on linux and unix servers
• Unix and linux operations support through share point ticketing system.
• Sound knowledge on shell scripting concepts.

Mobility Practice

Linux Administrator

Responsibilities:

• Installation, configuration and maintenance of linux servers and desktops.
• Installation, configuration and maintenance of iMAC machines and Mac Books.
• Implemented OCS NG server, which is used to fetch software and hardware inventory of machines.
• Up gradation of iMAC machines to latest Mountain Lion OS.
• Configured and implemented Open Directory server for 150+ iMAC client machines.
• Handling Change Requests for various configurations and software installations on Linux and iMAC machines.
• Implemented DLP(Data Loss Prevention) in iMAC and windows machines.
• Implemented DES (Disk Encryption System) in all Mac books.

Confidential

Responsibilities:

• Installation and configuration of RHEL, Solaris, and SUSE operating systems.
• Hardening of the UNIX Operating Systems & Patch management
• Solaris Physical to Virtual migration using flar image.
• Zone cloning and zone migration.
• Logical Volume Management.
• Configuration and management of SVM.
• Solaris Root mirroring.
• Configuration and management of zones, zfs etc.
• Configuration of Different types of hardware and software RAID
• Performance monitoring and tuning of UNIX servers.
• Involved in Data Centre migration of the UNIX infrastructure.
• Creation and management of VM Ware Virtual machines and V Centers.
• Creating Gold build standard template for RHEL, Suse Linux, Solaris and HP Ux operating systems for Physical hardware as well as virtual machines.
• Troubleshoot and resolve complex problems related to network and operating systems.
• Good understanding of VxVM
• Working on Infrastructure projects which is comprised of VMware ESXi Servers and Virtual Machines.
• Coordinate with network team for server cabling / racking .
• ILO configuration

Sr. Systems Engineer

Confidential

• Hardware, software and networking support for windows and UNIX platforms.
• 24/7 support of mission critical production environment which is comprised of different IBS products.
• Hardening of Solaris servers.
• Solaris OS installation and patch up gradation.
• Installation and configuration of Red Hat Linux.
• Solaris user and group administration.
• To give UNIX Servers (Sun Solaris) support in IBS Data center as well as remote locations.
• Strictly following policies like Change management, Incident management, Disaster recovery plan etc.
• Configuration and Maintenance of ZFS file system.
• Configuration and maintenance of Vmware ESXI 4 platform.
• Having experience in configuring and using BMC tool, this is used for monitoring servers hosted in data centers.
• Monitor the SUN servers to free up disk space by removing unnecessary files.
• Solaris Performance Tuning.
• Managing User / Group Administration.
• Creating file systems, disk partitioning and troubleshooting.
• Troubleshoot and resolve complex systems hardware and software problems.
• Analyze and diagnosis system failures recover and restore operating systems and files.
• Backup, recovery, archiving, and restoration.
• Configuration of Zones.
• Syslog server configuration.
• Configuration and monitoring of VERITAS Net Back up.

Confidential

Support Engineer

• Installation of HCL Desktops.
• Service support HCL desktops and laptops.
• Printer management.
• Installation and maintenance of Duplicators and higher end network printers.
• Servicing of various types of multimedia projectors.
• Installation and maintenance of video conferencing equipment, plasma displays and LCD displays.