Jessica Claire
Montgomery Street, San Francisco, CA 94105
Home: (555) 432-1000 - Cell: - - -
Professional Summary

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.

  • Linux/Unix
  • Windows Server
  • 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
  • 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 Administrator General 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.
  • Deployed Openstack Pika, Ocata, Newton, Mitaka, Liberty, Juno.
  • Experience with OpenStack Components: Horizon, Nova, Swift, Cinder, Neutron, Keystone, Heat and Glance.
  • Created and managed OpenStack instances, flavors, networks, and attaching volumes using Horizon and CLI
  • Experience as Openstack administrator in creating, managing users, roles, groups, domains, services, endpoints, managing quotas, instances, snapshots, metadata, creating new images; managing and creating networks, routers, subnets, allocation pools; managing swift objects, time stamps, cinder volumes; using heat templates and troubleshooting.
  • Design and developed networks for San Ramon Labs Data Center.
  • Prepared and maintain documents of network configuration and cabling layouts using Vision
  • Experience in Network installing ,configuring and maintenance of router and switches - Cisco 3550/3750, Nexus c9372TX/PX, Juniper x5100, Arista.
  • Design installation, management and routine upgrade of VMware Infrastructure.
  • Install, configure, maintain ,upgrade and implement improvements to VMware ESXi infrastructure.
  • Responsible for regular support of VMware and VM's environment by resolving tickets for customer, identify and implement rectified operational issues.
  • Perform Day-to-Day Virtual environment full/incremental backups of VM's using VEEAM Backup and Replication tool.
  • Implement Grafana using Telegraph plugin to monitor VMware Clusters, Hosts, VM's and Datastore status.
  • Experience in VMotion, DRS, HA, Faulty Tolerance, Datastore Cluster, Distributed Switch , permissions, patches, snapshots, Templates in VMware environment.
  • Deployed VMware 6.7 vSphere by upgrading/migrating VMware infrastructure vSphere 5.5.
  • Updated VMware ESX/ESXi hosts using VMware update manage and installed patches and updates on Virtual Machines.
  • Coordinated with client's development teams to upgrade/migrate , minimize virtual machine outages improving their performances.
  • Worked on migration P2P, p2V and application migrations.
  • Configured and implemented HA and DRS cluster using vCenter on VMware Cluster.
  • Use templates and cloning to deploy new virtual machines.
  • Responsible for creating/managing VM's, present/assign LUN to VMware ESXi, creating clones, snapshots, templates as required.
  • Hands on experience in installation, configuration, supporting and managing Hadoop Clusters using Hortonworks in Dev environment.
  • Involved on Hadoop Cluster capacity planning, performance tuning, cluster Monitoring, troubleshooting.
  • 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 Administrator At&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 Administrator Josh & 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 Support Karma 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.
Expected in 08/2013
MBA: Management Information Systems
Dallas Baptist University - Dallas, TX
Expected in 07/2007
Bachelor of Science: Information Technology
Sikkim Manipal University - Tadong, Gangtok,
  • Hadoop Administration
  • Dell Compellent Storage Center Advanced Administration
  • Cisco Certified Network Associate (CCNA)
  • Kubernetes Administrator

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School Attended

  • Dallas Baptist University
  • Sikkim Manipal University

Job Titles Held:

  • Sr Member of Technical Staff - System Administrator
  • Linux Administrator
  • System Support /Windows Administrator
  • Linux Support


  • MBA
  • Bachelor of Science

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