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System Administrator (linux/devops/vmware) Resume

4.00 Rating

Doral, FL


  • Result - driven IT Professional with 8+ years of experience on Release management, Software Development, Configuration, Build and Release, implementing and supporting server/client environment consisting multi-operating systems.
  • Strong experience in design, installation, configuration, maintenance, tuning and troubleshooting of servers running on RedHat enterprise Linux 7/6.x/5.x, IBM AIX 7/6/5.x, OEL 5/6, SUSE9, 10, 11, Widows 2003, 2008 R2, 2012, VMware ESX/ESXi 3.x, 4.x, 5.x, 6.x.
  • Skilled in Installing, upgrading, and configuring RHEL 3/4/5/6/7 using Kickstart and RedHat Satellite server.
  • Good experience in Bash & Korn shell scripting automation.
  • Hands on experience in AWS provisioning of AWS services like EC2, S3, Glacier, ELB, RDS, Auto Scaling groups, Cloud Formation, OpsWorks, SNS and SQS.
  • Proficient with Vagrant & Docker based container deployments to create shelf environments for dev teams and containerization of environment delivery for releases.
  • Experience in using Build Automation tools like Gradle, ANT, Maven and novice knowledge on other Build tools like MS Build and CMake.
  • Experience in using Nexus and Artifactory Repository Managers for Maven builds.
  • Proficient in Installing, configuring and administering Jenkins CI tool on Linux machines and built Continuous Integration and Continuous delivery environment.
  • Good experience working with CHEF, Puppet, Salt stack, configuration management.
  • Strong experience in setting up VMware and virtualization technologies, VCenter, deploying virtual machines, cloning, snapshots, templates, data stores and VLANs.
  • Strong experience in System Administration, Installation, Upgrading, Patches, Migration, Configuration, Packaging,
  • Skilled in troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on UNIX, Linux and Windows Systems.
  • Experience in configuration of DNS, DHCP, NFS, LDAP, SQUID, postfix, Sendmail, FTP, remote access, security management and Security trouble shooting skills.


OS: RedHat Enterprise Linux 6.x/5.x, AIX 5/6/7, CentOS 5.x, 6.x, IBM AIX 6.x/5.x, Windows 2003/2008 R2 and 2012 Servers

Virtual Environment: VMware ESX, ESXi 3.x, 4.x, 5.x, 6.x, Docker, vCenter Server

Hardware: HP, DELL IDRAC, IBM, Cisco UCS, Netapp, EMC

Middleware/ App Servers: WebSphere Server, Apache, WebLogic

Servers: DNS, DHCP, NIS, NFS, Apache, Squid, Samba, SCCM, Send Mail, Q-Mail, FTP, Build 3055

Monitoring: Solarwinds, Zabbix, VCops

Network Diagnostic Tools: Nmap, Tripwire, lsof, TcpDumpNetworking F5, Conventional LAN, STP, VLAN, VTP, Wireless LAN (WLAN), TCP/IP and IP address sub-netting, WAN over leased-lines and ISDN.

Programming: C, C++, UNIX - Bash, Shell Scripting, Python, SQL


Confidential - Doral, FL

System Administrator (Linux/DevOps/VMware)


  • Responsible for Linux Systems administration in VMware ESX, Linux servers running different Database, Middleware Applications like JBoss.
  • Built and deployed J2EE application in JBoss by using Jenkins.
  • Installed, Administered and Maintained several instances of Jenkins.
  • Supported various development teams and running more builds a day with downstream jobs to perform the deployments onto DEV & QA environments.
  • Used Splunk monitoring tool to analyze the logs in the applications.
  • Provided problem resolution for system hardware, software, and/or Operating Systems
  • Developed specialized automation tools, scripts, and processes for performance monitoring of system hardware.
  • Install, upgrade, and maintain RHEL and CentOS operating systems.
  • Manage, install patches and other software packages using YUM and RPM.
  • Setup NFS and Samba File sharing setup on Linux and Windows servers.
  • Setup and configured Apache in RedHat.
  • Manage configuration using Puppet and monitoring server using Nagios.
  • Setup and maintain DNS servers.
  • Configuring and maintaining virtual server environment using VMWARE ESX, VCenter VSphere.
  • Responsible for creating templates and deploying VM’s in VMware environment.
  • Installation, Configuration and support for RedHat Satellite Server and for upgrading and patching Linux Servers.
  • Modifying/ Writing scripts in Bash shell for optimizing day to day administration.
  • Monitored trouble ticket queue to attend user and system calls, attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.
  • Installing/Configuring Nagios monitoring tool, disk space increase using VMware converter
  • RPM and YUM package installations, patch and another server management.
  • Installation, Configuration, Administration and Troubleshooting of ESXi6.x, VSphere 6.0
  • Installation of ESXi server and creation of VMs and install different guest OS.
  • Installation of VC server and Installing Virtual center components
  • Configuring mail alert for any failure CPU, memory etc.
  • Installation and administration for window server 2008/2012
  • Configured and monitored distributed and multi-platform servers using Puppet.
  • Worked on Puppet Manifest to deploy new software and plugins as well as manage deployments to the production Jenkins server.
  • Worked with Configuration of CA API Gateway and CA Developer Portal.
  • Worked with Implementation of Rest based security policies.
  • Created and managed a Docker deployment pipeline for custom application images in the cloud using Jenkins.
  • Provided stable build environments for product development.
  • Interfaced Data Power with IBM MQ Manager for audit logging and for additional application integration.
  • Worked on NoSQL database Cassandra.Managed the artifacts generated by Maven in the Nexus repository.
  • Branching, Tagging, Release Activities on Version Control Tools: SVN, GIT.
  • Virtualized the servers using the Docker for the test environments and dev-environment needs.
  • Running the containers on top of virtual machines, bare metal servers and maintained to run in the cloud or on-premises.
  • Creating and deleting and managing user accounts and managing user quotas on the Network.
  • Configuring DNS, DHCP, NIS, NFS in Red Hat Linux & other Network Services, Linux kernel, memory upgrades and swaps area.
  • Administration/Configuration of Print Servers/Clients in the Network, planning, configuration and maintenance of connectivity for servers as well TCP/IP configuration.
  • Network trouble shooting using ‘ndd’, 'traceroute', 'netstat', 'ifconfig' and 'snoop'.
  • Working on Docker engine to create and use containers; SaaS based services for creating and sharing Docker services in Docker hub.
  • Performed the automation using Chef Configuration management.
  • Providing technical support for internal users and resolving trouble shooting tickets.
  • Red Hat Package Management (RPM) and YUM package installation and maintenance
  • Remote systemadministrationvia tools like SSH and Telnet.
  • Extensive use of Crontab for job automation
  • Worked on Amazon Web Services - AWS (Cloud Computing).
  • Worked with preparing document according to business requirements.
  • Implementation of security for different production servers running various critical applications.
  • Worked on Multiple AWS instances, set the security groups, Elastic Load Balancer and AMIs, Auto scaling to design cost effective, fault tolerant and highly available systems.
  • Configured and deployed JBoss application server.
  • Storage Provisioning, Volume and File system Management using LVM/Veritas on Linux in a SAN environment.
  • Responsible for creating templates and deploying VM’s in VMware environment.
  • Create OpsWare implementation records to populate server specs to kickstart file process.
  • Automated server provision to modify server parameters and enable bulk server provisioning.
  • File system Tuning and growing using Veritas File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
  • Worked in maintenance of systems including patching, setting up Print servers, Configuring File systems, using LVM/Veritas on HPUX/Linux/Sun Solaris OS, involving SAN environment.
  • Post provision servers to modify system parameters for appropriate purposes and validate them.
  • Build VMs via Red Hat Cloud Forms as per the requirement and troubleshoot them for any errors.
  • Automated system management tasks like user account creation, file system size monitoring, monitor system resources and system maintenance using Shell scripts.
  • Used VMware VSphere, VCenter to create VMs managed these VMs on various ESXi hosts.
  • Involved in standardizing Splunk forwarder deployment, configuration and maintenance across UNIX and Windows platforms.
  • Used Splunk tool in order to analyze the logs in the applications.
  • Configured Multipath, PowerPath, added SAN, created physical volumes, volume groups, and logical volumes.
  • Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.
  • Responsible for setting up and managing Kickstart and Jumpstart environments.
  • Modifying/ Writing scripts in Bash and Korn shell for optimizing day to day administration.
  • Build, and integrate scripts to support the DevOps platform.Worked on version control tools GIT, SVN.
  • Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.
  • Provided Production support.

Confidential, Norwalk, CT

System Administrator (Unix/Linux/AIX/VMware)


  • ManagingLinuxInfrastructure involves day-to-day maintenance of servers and troubleshooting.
  • Provisioning Red Hat EnterpriseLinuxServer using PXE Boot according to requirements.
  • Performed Red HatLinuxKickstart installations on Red Hat 7/6.x/5.x, performed Red HatLinuxKernel Tuning, memory upgrades.
  • Storage Provisioning, Volume and Filesystem Management using LVM, Veritas Volume Manager and Veritas Filesystem (Veritas Storage Foundation), Configuring ZFS filesystems.
  • Worked on cloud migrations of Development and Production servers running on Linux.
  • Responsible for Deployment, automation and installation of servers via Puppet and Chef.
  • AWS Import/Export accelerates moving large amounts of data into and out of AWS using portable storage devices for transport.
  • Worked on Amazon Web Services - AWS (Cloud Computing).
  • Creating virtual machines using Xen, KVM hypervisor on Xen servers, installing Red-hat using kick-start and Cobbler.
  • Monitoring infrastructure consisting of Nagios server with Centreon as web interface for configuration and display of performance data.
  • Supported Linux and Windows VM’s running on ESXi Cluster environment and performed vMotion activities for load balancing of resources.
  • Designed & developed integrated solutions through these DevOps tools, processes and procedures to facilitate the cost-effective delivery of services or fielding of products.
  • Worked in Storage migrations using multi-pathing tools and Mirroring options at file level and block both at host level and SAN Array level
  • Configuring Native and EMC multi-pathing on servers.
  • Worked and set up migration for Unix/Linux server and SAN storage between data centers and also application migration and testing.
  • Clustering solutions for High Availability using tools such as Veritas Cluster Server (VCS), MSCS, and RHCS.
  • Configuring and maintaining virtual server environment using VMWARE ESX, VCenter VSphere.
  • Installation, Configuration and support for RedHat Satellite Server and for upgrading and patching Linux Servers.
  • Building the host using the Kick start and configuration of LVM and maintaining them.
  • RPM and YUM package installations, patch and another server management.
  • Managing systems routine backup, scheduling jobs like disabling and enabling Cronjobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
  • Installing and configuring Apache and supporting them onLinuxproduction servers.
  • Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.
  • Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
  • Involved in the DR Test.
  • PXE installing multiple Ubuntu servers using PXE method and configured DNS and DHCP on Ubuntu servers
  • Implemented GIT for local and Main repository.
  • Created policy domains, realms, policies and rules, configuring access to User directories, setting up response attributes and cookie variables, defining authentication schemes in aSSOEnvironment.
  • Regular disk management like adding / replacing hot swappable drives on existing servers/workstations, partitioning according to requirements
  • Creating new file systems or growing existing one over the hard drives and managing file systems.
  • Installing and configuring Red Hat Linux using Kick Start server as required for the project.
  • Reviewing system log files for errors. Setting up Cronjobs for backups and monitoring processes.
  • Hands and feet support for Data Center management involving Racking new servers and devices, software installations, troubleshooting, device inventory, switch configurations, managing TSM backups.
  • Deployed File System in Veritas.
  • Migrations using different software’s like EMC open migratory, LVM, and RSync.
  • Performed different configuration under Veritas for Oracle agents.
  • Performed boot from SAN installs of RHEL6.x and OEL 6.x on Unified Cisco Servers (UCS) blade servers.
  • Installed configuredLinuxclustering for High availability for critical applications.
  • Installed and configured Nagios/NRPE to monitorLinuxservers.
  • Manage daily system administration cases using BMC Remedy Help Desk.
  • Performed scripting on Perl and corn shell for monitoring and scheduling the Jobs.
  • Migration of LDAP and up gradation of RHEL 5 to RHEL6.
  • Preparing servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding NAS storage. SAN Storage(Netapp, EMC).
  • Worked with Ansible, puppet for automation,
  • Worked with DMZ, Firewalls, Performance report and F5 load balancers.
  • Extensively used LVM - created VGs, LVs & File systems.
  • Configuring the FTP, DHCP, DNS and troubleshooting them.
  • Installed and configured Spacewalk/Satellite Server to serve as Patching, Provisioning and configuration management for allLinuxservers.
  • Server hardening, checking I/O andMemory performance.
  • Responsible for start-up and shutdown of the boxes and services.
  • Adding and configuring disks and creating new file systems.
  • Responsible for, NFS, SAMBA, NIS, SSH, FTP, NIS, Apache, Tomcat, Send mail, DNS servers Installation andconfiguration.
  • Adding ASM disks to the Oracle RAC clusters as per the request using mknod command.
  • Performance monitoring with Ksar, iostat, vmstat, mpstat and Other Tools.
  • Managing internal DNS server records addition and deletion.
  • Application readiness/OS checkpoint. Install & config oracle 10g and coordinating with the oracle team.
  • Troubleshooting of Veritas Volume manager and Sun Solaris manager, ZFS.
  • Setup LVM. Install OS packages and patches, break/fix support. System security management.
  • Worked on OS upgrade plan for Solaris on development and production servers.
  • Perform daily administrative tasks, including log reviews, account, group, system accessibility issues, and server software maintenance.
  • Production Support activities based on incidents to solve end user issues related to their accounts, orders as in when required.
  • Implemented Clustering, Performance tuning and troubleshooting of WebSphere Application Server 7.0/6.x.
  • Provided load/stress, Performance testing and troubleshooting on issues such as Out of Memory, 100% CPU Usage, hung Thread sessions, session replication.
  • Worked with SCCM to push updated on windows
  • Responsible for maintaining completeVMwareinfrastructure for the customer.
  • Involved Datacenter server migration and SAN storage migration Activities.
  • Responsible for upgrading the OVM, Virtual Machines,VMwareESXi hosts and vCenter servers in the organization.
  • Installed and configuredLinuxvirtual machines on VMware infrastructure.
  • Configure applications with ADFS & SiteMinder to achieve desktop SSO
  • Created New Virtual Machines, Dockers, cloning VM, DRS and Snapshots.
  • Created and managed templates in VCenter.
  • Server migration from Physical to Virtual (P2V) and Virtual to Physical (V2P) using plate spin and VMware converter.
  • Installation and configuration of Red HatLinuxon VSphere and VMware ESXi.
  • Created and managed Standard and Distributed Switches (dvSwitch) in the vCenter servers for making use of best network design and stability across the vCenter servers.
  • Responsible for performing monthly patching on infrastructure servers.
  • Took active part in troubleshooting vCenter and ESXi issues and also in system hardware failures.
  • Responsible forVMwareand ESX patch management using vCenter update manager.
  • Responsible for upgrading the Hardware version andVMwareTools version on the Virtual Machines.

Confidential - Boca Raton, FL

System Administrator (Linux, AIX, VMware)


  • Installation, maintenance and regular upgrades of Red Hat Linux Servers and Performing Linux Kick Start installation, RAID & LVM Implementation.
  • Installed, configured and maintained HTTPD server for Intranet specifications.
  • Installation, Configuration and Troubleshooting of Linux and Windows Servers.
  • Ensured and maintained the stability of POP, POP3, SMTP, Sendmail & IMAP mail servers.
  • Installing and Configuring Red Hat Linux in VMWare Environment and VPN clients.
  • Implementing Security using TCP wrappers, PAM & Iptables.
  • Configuring Samba, NFS, and DHCP server in Linux & Windows.
  • Installed, configured and supported web related software such as Reverse and Forward proxy using Apache and IBM web servers, SQUID, PHP, onLinuxsystems.
  • Adding ASM disks to the Oracle RAC clusters as per the request using mknod command.
  • NFS Administration, exporting file-stems, mounting exported file systems, working NFS daemons and fixing any mounting issues in AIX and LINUX
  • Troubleshooting the NPIV and VSCSI mappings from the VIO server.
  • Adding ASM disks to the Oracle RAC clusters as per the request using mknod command.
  • NFS Administration, exporting filestems, mounting exported file systems, working NFS daemons and fixing any mounting issues in AIX and LINUX
  • Troubleshooting the NPIV and VSCSI mappings from the VIO server.
  • Responsible for various tasks of UNIX User Administration of creating users, managing user permissions & Security.
  • Implemented SUDO to allow non-root users ability to execute specific application related commands and services.
  • Designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.
  • Monitored server and application performance & tuning via various stat commands (vmstat, nfsstat, iostat etc.) and tuned I/O, memory, etc.
  • Monitoring CPU, memory, iSCSI disks, disk controllers, physical disk, HW and SW RAID, multipath, file systems.
  • Configuring and manipulate YUM on RHEL.
  • Configuring FTP server, Apache Web Server on Red Hat Enterprise Linux and Proxy Server (Squid) on Red Hat Enterprise Linux, worked with Oracle virtual machines.
  • Worked on setting up DMX, firewalls on servers and also worked with ports.
  • Configuring and administering Send mail with dovecot package for IMAP & POP3.
  • Preparing binary RPMs from the source code to suite our architectures.
  • Configuring RHEL as Router by enabling IP forwarding.
  • Preparing the centralized log server for all Linux clients.
  • Preparing centralized installation server comprising FTP, Webserver and NFS.
  • Installed and configured Apache HTTP Server, IHS and WebSphere Application Server and also configuration of Virtual Hosts for Apache HTTP Server.
  • Installed and configured vCenter update manager for installing ESXi patches and also to upgrade ESXi Kernel.
  • Extensively used VMware vCenter to create virtual machine clones, vMotion of virtual machines and to create snapshots.
  • Using Hot Plug feature for increasing the performances of virtual machine.
  • Created and Troubleshooting is performed on Virtual Network, ESXi and Virtual Machines.
  • Working on troubleshooting the triggered alarms generated fromVMware vCenter Server
  • Responsible for performingVMwarepatch updates.
  • Upgraded the vSphere ESXi servers on the HP blade servers and CISCO UCS servers.
  • Responsible for migrating the datacenter and converted the physical servers to virtual servers using convertors.
  • Involved in Live migration, Cold migration, and vMotion & Storage vMotion.
  • Responsible for taking the snapshots for backup before modifying or upgrading the VMs.
  • Followed agile methodology in development of scripts & automation as in when Supported required.
  • Worked as a part of 24/7 on-call support for production and non-production environments.

Confidential - Anaheim, CA

System Administrator (Linux, AIX, VMware)


  • Installing, configuring and support of RHEL 5.x.
  • Perform administration tasks such as patching, software and hardware upgrades, troubleshooting and problem resolution.
  • Installing and configuring services such as DNS, DHCP, NFS, SMTP, NIS, SAMBA, SSH, YUM, FTP, and Apache Web Server.
  • Scheduling backup of files.
  • Convert physical servers to virtual servers.
  • Performed User administration to create and maintained user accounts onLinux Systems with controlled elevated access through SUDO and ACL.
  • Rolled out solution for security enhancements on weekly basis to mitigate security vulnerabilities on theLinuxservers.
  • Worked on security remediation involving installation of patches and disabling unnecessary services.
  • Expertise inLinuxbackup/restore with tar including disk partitioning and formatting.
  • Creating and Administrating File systems on Red HatLinux.
  • Installation and Configuration of VMWARE ESX servers and Created RHEL Guest VM’s for Dev/ Test and production environment.
  • Installed/ upgraded patches, firmware, MP, GSP, BIOS and security (Kernel) patches for all HW & OS’s in installed infrastructure.
  • Used various networking tools such as SSh, telnet, rlogin, ftp and ping to troubleshoot daily issues.
  • Also responsible to design, implement and maintain DNS, NFS and FTP services. Creating and maintaining user accounts on NIS environment.
  • Scheduling the Jobs using CRON tab. Used SCCM to push updated on windows servers.
  • Worked with Veritas Volume Manager (VxVM).
  • Created RAID 1, 01 configurations on hardware RAID devices and RAID10, 5 using SVM, LVM, and VxVM.
  • Performed Storage Management to assign storage toLinuxservers over Fiber Channel with Multipath and managed LVM to create/modify Volume groups, LVs, filesystems and disk mirroring.
  • Diagnosed and troubleshoot software and hardware related problems.
  • Installed and deployed operating system and security related patches and fixes.
  • Applying online updates, patches & service packs for Linux SuSE & RHEL.
  • Installed AIX and performed the operating system upgrade flawlessly.
  • Updating the existing applications and adding new ones without incident.
  • Developed Shell scripts for automating the batch jobs.
  • Involved in Storage management, LVM, File system management, User account management, data backups and user’s logon support.
  • Involved in development & testing of shell scripts to automate regular & routine activities.

Confidential - Reston, VA

System Administrator (Linux, AIX, VMware)


  • Administered Red Hat Linux, and Windows servers. Administration involved installation, configuration, evaluation, implementation and support
  • Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands. Maintained availability, increased capacity & performance of production machines by upgrading their hardware (disks, CPU, memory, IO board, power cooling unit, motherboard etc.) & firmware.
  • Ensuring maximum uptime of all production servers server.
  • Networking and configuring TCP/IP, LAN, SAN, DNS, NFS, NIS, FTP, DHCP, SAMBA, SFTP, Apache, SSH and Yum repositories.
  • Configuring and maintaining system securities using SELINUX and IPTABLES.
  • Monitoring system Performance of Virtual memory, Managing Swap space, Disk utilization and CPU utilization
  • Assigning File and Directory level permissions to end-users.
  • Systems monitoring and administration of Servers for day-to-day problems, patches, user administration, hardware failure, monitoring log files, backup, configuration changes and documentation.
  • Administering Network File System using Auto mounter and administering user and OS data files in NIS, and NFS environment on Red hat Linux.
  • Worked with other IT teams including Database and Network Teams, customers (users), and other managers in helping build and implement systems and standards. System performance tuning, User maintenance and security.
  • Interaction with vendors for Hardware and software supports.
  • Regular disk management like adding/replacing hot swappable drives on existing servers/workstations, partitioning according to requirements, creating new file systems or growing existing one over the hard drives and managing file systems.
  • Maintaining updated documentation of all the Servers and the installed applications and patches.
  • Performed day-to- day administration tasks like User Management, Space Monitoring, Performance
  • Monitoring and Tuning, alert log monitoring and backup monitoring. Experienced in dealing with LVM.
  • Patching and installing packages.
  • Manage disks and volumes using Logical Volume Manager (LVM) and Veritas Clusters.
  • Identify and assist in troubleshooting system errors.Implement automated installations using PXE Kickstart.
  • Configured Networking Concepts DNS, NIS, NFS and DHCP, troubleshooting network problems such as TCP/IP providing support for users in solving their problems. Monitor network services using Nagios.Configure and manage systems using Puppet.
  • Troubleshooting of all kind of OS related and hardware related issues on the Linux servers. Managed file permissions & ownership for important directories & files.
  • Implemented DNS, NFS, NIS, Auto mount networking services.
  • Installed and configured RedHat Enterprise Linux. Installed and configured NIS, DHCP, BIND (DNS) services. Performed file system tasks using LVM, RAID and swap space concept. Installed and configured NFS and SAMBA server. Also performed user administration in complex high-end server environment.
  • Worked on the Linux Client OS. Responsible for handling L1 tickets.
  • Working onVMwareenvironment for Creating VM’s and troubleshooting.
  • Provisioning environments for projects.Creating VM’s and installing the OS.
  • Performing data center migration by moving servers from different locations to central data center.

Confidential - Houston, TX

System Administrator (Linux, AIX, VMware)


  • Configuring IP-Tables & TCP - Wrappers for providing security over network (both Intranet & internet)
  • Configuring & troubleshooting PAM for secure ISP network. Troubleshooting booting problems using GRUB.
  • Providing solution based on LVM & software RAID (RAID Level 0, 1, 5).
  • Managing Quotas for both users & groups.
  • Setting up user accounts, Permissions and Passwords.
  • Secured network resources with shared folder permissions, implementing file security system.
  • Install Microsoft Patches on Windows 2000/2003 servers using Windows Update.
  • Maintenance of clusters server, file and print server and backup servers.
  • Making sure of available free disk space on C drive.Allocated space and Memory when required.
  • Install and Configure network printers and File servers.Installation, configuration of IIS, DNS, DHCP.
  • Responsible for Domain controllers throughout organization.
  • Managed Remote Servers through Terminal Services Manager.
  • Maintained corporate DNS system.Responsible for daily & weekly back-up & restore.
  • Responsible for securing network using different port scanners, packet sniffers, Vulnerability scanners, password checking tools, log analysis & monitoring tools.
  • Installing, configuring, tuning, troubleshooting & updating of H-Sphere Servers installed on RedHat Linux servers for web hosting environments.
  • Set up monitoring system to monitor all servers.
  • Warning of any potential problems that will bring server down transferring websites between servers.
  • Bring up servers, which are down. Creating, terminating, modifying, locking user accounts - basic/advance user management on Linux Servers.
  • File system maintenance for consistency checks and free disk space.
  • Administering the Backing up and restoring the files and file systems (Using regular full and incremental backups
  • Troubleshooting DNS related issues on the server/domain registrar.

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