Meticulous Senior System Administrator with experience in Linux/Unix/Windows/SAN/VMware/Hadoop system and server administration. Proven skill in quickly and effectively remedying issues to bring servers back to functionality after crashes. Strong communication and interpersonal skills with ability to explain technical concepts to non-technical audiences. Motivated, enthusiastic, and pro-active System Administrator with an excellent 'can-do' attitude.
Skills
Linux/Unix
Windows Server
SAN/ISCSI
VMware ESXi
TCP/IP protocol
Switches and Routers
Scripting Skills
Troubleshooting And Diagnostics
Hardware and software Installation
Veeam Backup & Replication
Apache Kafka
Hardware Knowledge
Subnetting expertise
Network Security
NFS, VSFTP, SAMBA,DNS,DHCP
Grafana ,influx DB/Prometheus, telegraph
Docker
Kubernetes
Nagios
Ansible
Problem-solving
System Development and Administration
Virtualization
Technical Support
NetBackup
Hadoop
Ambari
Openstack
Cisco/Nexus/Arista Switching expertise
C, C++, PHP, HTML, Bash, YML
Work History
10/2015 to 09/2020
Sr Member of Technical Staff - System AdministratorGeneral Dynamics – San Jose, CA,
Perform overall lab coordination across team and POCs/Platforms.
Provide end to end view of platform and testing activities and schedule.
Perform lab management responsibilities for all of San Ramon and Austin platforms/systems.
Provide platform system design and implementation support for peer team's projects across multitude of technical and technology areas in support of org goals.
Prioritize virtual and cloud designs in lab implementations.
Build/maintain ONAP and new REC/RIC dev environments in San Ramon to support team projects.
Design, procure, install, configure and upgrade hardware and software as needed to support Lab environments, clients, and new projects.
Responsible for analyzing and determining appropriate layout for all equipment in data center.
Responsible for maintaining equipment inventory up-to-date.
Monitor all data center assets for tracking information.
Responsible for capacity planning to ensure facility meets current and expected power and cooling requirements.
Responsible for design, develop, implement and manage servers, storage and other of data center.
Install all network/server/storage Hardware and software and make needed upgrades and repairs.
Maintain network and computer system security and ensure that all systems are operating correctly.
Responsible for recommendations for equipment's and procedure changes to decrease costs and increase efficiency.
Assist in evaluation, recommends, negotiations and contracts for purchases of system software products.
Assist various departments in installations and removal of data center hardware as per requirement.
Perform installation and ensure effective layout of all tools in cabling industry as per industry practices.
Coordinate with vendors and resource engineers and ensure effective completion of all installation hardware at San Ramon Labs Data Center
Oversaw capacity planning, perform power audits and ensure appropriate supply of power to all equipment's.
Handled setting up of HP/DELL/IBM/SUN Hardware in Data center including cabling , ILO/IDRAC configuration.
Responsible for installation/configuration/managing and maintenance of more 500 Dev/Staging and Production Server (Linux/Solaris/Windows Sever ).
Configured kickstart servers for complete hands-free installation of Linux nodes , with custom profiles, begin/finish scripts and custom package clusters.
Provided customer support, help/troubleshoot users to resolve server, network and other system wide problems.
Responsible for maintaining security on all Solaris/Linux and Windows system for regulatory compliance.
Performed hardware and software installations, upgrades, and maintenance, patch administration, kernel modification/upgrades, file system management, performance and security analysis and network configuration/tuning.
Installation, Configuration and administration of Red Hat Enterprise Linux, Cent-OS , Ubuntu and Solaris Server.
Experience with ticketing tool such as Jira.
Deployed/configured/managed and maintained Nagios Core to monitors overall hardware , systems, networks and infrastructures and integrate alerts system to maintain minimal service outages.
Implementation and troubleshooting of services like NFS, \VSFTP, NTP,SSH,SAMBA, DNS,DHCP, HTTP, APACHE.
Worked with variety of storage volume managers such as ZFS,LVM,VERITAS Volume Manager.
Working experience with puppet, ansible, salt.
Worked on container technologies like Docker and Kubernetes.
Hands on experienced in Openstack deployment both manual and automation installation using fuel.
Responsible for creating new users in Hadoop, handling permissions, tuning , performance upgrades , Hadoop backup and recovery tasks , support and maintenance of Hadoop Storage (HDFS).
Worked closely with CIQ team to extend existing CIQ Hadoop clusters.
Worked with team to commissioning, decommissioning CIQ/IQI Production data node for hardware maintenance.
Configured various property files like core-site.xml, hdfs-site.xml, mapred-site.xml based upon Horton work team recommendation.
Involved in loading data from UNIX file system to HDFS, Importing and exporting data into HDFS.
Hands on experience in analyzing Log files for Hadoop and eco system services and finding root cause.
Involved on Managing Nodes and tuning server for optimal performance of cluster.
Installing and configuring Hadoop Eco system like Spark, HBase, Kafka, Flume, Sparks.
Performed both major and minor upgrades to existing Horton works Hadoop cluster.
Plans and executes on system upgrades for existing Dev Hadoop Clusters environment.
Setting up and managing HA Name Node to avoid single point of failures in large clusters.
Installed Hadoop Eco system components like Pig, Hive, HBase and Sqoop in Cluster.
Experience in setting up tools like Nagios, Ganglia for monitoring Hadoop Cluster.
Adding/Installation of new components and removal of them through Ambari.
Responsible for SAN Hardware installation which includes : installing controller/enclosures in rack, connect controller enclosure and LFF/SFF drive enclosures, connecting power cords, cabling, setup management IP's and perform initial configuration tasks.
Install, configure and maintain various vendors SAN Arrays ( Dell SC8000, Dell MD3060, HP MSA P2000/2040/2050, HP 3PAR, HP EVA 4400, IBM V7000, SUN Storage Array).
Install, configure and maintain Brocade and Cisco MDS 9000 Series Fiber channel switches.
Responsible for zoning, provisioning LUN creation, Masking and mapping for client's storage requests.
Responsible for troubleshot performance or any connectivity issues between Hosts and SAN Arrays.
Provided daily support and maintenance for system hardware and application.
Responsible for configuring multipathing in Linux/Unix Hosts , presenting and configure LUN's for bare-metal/VM Severs.
08/2013 to 10/2015
Linux AdministratorAt&T [Vastika Inc] – City, STATE,
Primary support for all kind of issues for all Unix/Linux Servers.
Assist various departments in installations and removal of data center hardware as per requirement.
Install all server/storage Hardware and software and make needed upgrades and repairs.
Responsible for maintaining equipment inventory up-to-date.
Monitor all data center assets for tracking information.
Tuned system performance to optimize efficacy of new and existing hardware components.
Ensuring data is properly backed up and archived according to established data management policies.
Responsible for performing installation/configuration/upgrades/patches, troubleshooting and maintenance of Solaris/Linux/Windows Server.
Installation of Database servers and user's management such as Oracle, MYSQL Sever.
Implementation and maintenance of DHCP, NFS, NIS, DNS, SAMBA, LDAP, Postfix, Sendmail, VSFTP and HTTP.
Implemented Bash Scripting to automate day to day job tasks.
Perform installation, upgrades/patches, troubleshooting, and maintenance on UNIX/LINUX servers.
Troubleshooting of day-to-day system and user problems various Servers on different platforms.
Creation and Maintenance of User Accounts file systems and successfully created logins IDs on large number of servers.
Working on the configuration of server monitoring tool like Nagios XI.
Monitoring and install or updates patch software's, firmware, and security patches for all applications in installed infrastructure.
Maintained and monitoring System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
Creating and managing file systems, Creating and managing LVM, ZFS in Linux and Solaris.
Automated installation of Linux /UNIX server using Kickstart or Jumpstart server.
Scripting skills in Perl and Bash Shell.
Proficient in handling Hardware issues, Migration and Data Center Operations.
Installation of patches and packages using RPM and YUM in Red hat Linux and Suse Linux and also using patchadd and pkgadd in Solaris 10 Operating System.
Install, Configuration, and manage of a complex SAN storage environment consists HP P2000, IBM V7000, DCS 3700, HP EVA 4400, Sun Storage arrays.
Worked with VMware vSphere ESXi 4/5/6 and VMware VCenter 5.5/6.0.
Proficiency in advanced features of ESX/ESXi, VMotion, Storage VMotion, HA, DRS, FL, Host Profiles, VMware VCenter Converter, Update Manager.
Expertise in creating Client VM Templates, Cloning and managing VM Snapshots.
Experience in P2V, V2V Migration using VMware Converter.
Hands on experience in installation, configuration, supporting and managing Hadoop clusters using Hortonworks.
In depth understanding/knowledge of Hadoop Architecture and various components such as HDFS, Map Reduce, Name Node, Job Tracker, Data Node, Task Tracker and Yarn.
Involved on Commissioning, Decommissioning, Balancing, and Managing Nodes and tuning server for optimal performance of the cluster.
Hands on experience in analyzing Log files for Hadoop and eco system services and finding root cause.
01/2011 to 09/2011
System Support /Windows AdministratorJosh & Josh Inc – City, STATE,
Install, Configure and maintain Windows server 2003 and windows workstation.
Assess malfunction of computer hardware and/or software applications for determining appropriate actions to maintain computer and network operations.
Installs computer hardware, peripherals, and network equipment and applications for determining appropriate actions to maintain computer and network operations.
Install PC software, print drivers, scanners etc.
For ensuring availability for use by works.
Install, configure and maintain IP based surveillance camera on all department stores.
Maintain Workstation functionality - install patches, upgrades, imaging systems etc.
Performs initial workstation computer, peripheral setups for ensuring availability of desktop and server functionality for all users.
Prepares variety of written materials - work order, inventory control, procedures etc.
For meeting computer processing needs of users.
Preparation of presentation for Director.
Responsible for backing up data every Friday.
Repairs computers, peripherals, network equipment, software, and printer.
Upgrading computers, peripherals, printer, network equipment's and software applications for meeting computer processing need of users.
Created daily and monthly inventory system using excels for department store.
05/2005 to 03/2007
Linux SupportKarma Tech Solution Pvt. Ltd – City, STATE,
Work experience in administration and maintenance of Linux Sever
Work experience on User administration setup, maintaining account, Monitor system performance.
Analyzing system logs and identifying potential issues with server.
Installing and configuring new hardware and software.
Responsibility for documenting configuration of system.
Troubleshooting any reported problems.
Applying operating system updates, patches, and configuration changes.
Adding, removing, or updating user account information, resetting password, etc.
System performance tuning.
Configuring, adding, and deleting file systems
Troubleshooting day-to-day server related issues and problems in terms of operating system, applications and network.
Maintained and monitoring System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
Install and configure SSH to enable secure access to servers.
Modified Linux kernel to add tracing probes for Configuration access tool.
Experience in Shell scripting bash to automate system administration jobs.
Education
Expected in 08/2013
MBA: Management Information Systems Dallas Baptist University - Dallas, TX GPA:
Expected in 07/2007
Bachelor of Science: Information Technology Sikkim Manipal University - Tadong, Gangtok, GPA:
Certifications/Training
Hadoop Administration
Dell Compellent Storage Center Advanced Administration
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Dallas Baptist University
Sikkim Manipal University
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Sr Member of Technical Staff - System Administrator
