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Windows And Linux System Administrator Resume

OBJECTIVE:

An experienced and a responsible System Administrator with a great ability to support the server and seeking to achieve meaningful employment with a company which will allow me to address and solve their technical needs, by applying my experience within the areas of system administration and ability to complete deadline - driven projects.

SUMMARY:

  • Over 3 years of IT industry experience with Windows and Unix/Linux System Administration and Support of various applications on a multi-servers environment, I have specialized in working with the command line interface in Windows and UNIX/Linux systems.
  • I have a Master skill in managing and administrating Active Directory, application deployment, installing and configuring technical issues with a strong troubleshooting skill.
  • I’m hardworking and goal oriented with a professional skill and knowledge of system administration, geographic information system, technical knowledge, other Core Competencies include:
  • Installing, upgrading and configuring windows and linux servers.
  • Installing and with citrix on VDI
  • Installation and configuration of SSH software to provide secure logins for clients involved in shell and data transfer.
  • Backup and restoring user from local to cloud
  • Installation, Configuration and maintenance of VMware (ESXi 4.x & 5.x) in an Enterprise Environment and also configuring Virtual Machines on the VMware host
  • Management of disks on Red Hat Servers using LVM, creating volumes, file system and resizing volume
  • Installation and configuration of Local Repository to assist with software updates
  • User/ File management; Adding, removing and giving access rights to users on a server. Changing permissions, ownership of files and directories, and assigning special privileges to selected users and scheduling system related jobs.
  • Server Hardening to prevent attacks and hacking and generation of SSH authentication keys
  • Experienced in Troubleshooting Linux Systems identifying Hardware, software (both OS and Application level), and networking Issues
  • Scripting;(Bash) writing scripts from scratch to automate tasks.
  • Utilizing SAR, Netstat, Iostat and Vmstat for performance analysis, tuning and capacity planning, problem prevention, detection and resolution.
  • Configuration of various Remote access clients on Machines including iDRAC(Dell)
  • Experienced in RAID configuration for performance improvement and redundancy
  • NOC /Data Center experience. Have had access to various Colos & Data Centers and have the opportunity to troubleshoot servers at these locations.
  • Over 4 years of experience specialized in System Administration working on Redhat Linux, Cent OS, Fedora and window environments.
  • Experience in Installation, Configuration, Maintenance of Linux.
  • Experience upgrading and configuring RedHat Linux 3.x, 4.x, 5.x using Kickstart Servers and Interactive Installation.
  • Worked with Database administrators to tune kernel for Oracle installations.
  • Experience in Creation and managing user accounts, security, rights. Disk space and process monitoring in RedHat Linux.
  • Experience in configuration of NFS. DNS, LDAP, HTTP, DHCP, ftp, remote access management and security troubleshooting skills.
  • Experience on Web servers such as Apache Server 1.x, 2.x, & Tomcat 3.x, 4.x.

LEADERSHIP SKILLS:

  • Strong written and oral communication skills
  • Excellent Interpersonal Skills
  • Strong Presentation and Organization Skills
  • Responsible and committed to work
  • Able to perceive and find solution to challenging problems
  • Able to withstand hectic and responsible jobs
  • A high level of energy, commitment and the ability to combine keen strategic sense with enthusiasm
  • A great team player with good inter-personal skills and able to relate to all manner of persons
  • Willingness to adopt and manage change

TECHNICAL PROFICIENCY AND EXPERTISE:

Operating Systems: Windows 7, 10 and RHEL 3/4/5/6/7, Ubuntu, CentOS.

Software: MS-PROJECT, Linux file system, MS Office, ESX 4.x, 5.x, Tomcat, Web/ Application Server, Apache, Oracle.

Servers/Services: NFS, SSH, Telnet, Apache, DNS, Nslookup, Netstat, Nagios, TCP/IP and TCP DUMP, LDAP VI Editor, gedit

PROFESSIONAL EXPERIENCE:

Confidential

Windows and Linux System Administrator

Responsibilities:

  • Experience administering, installing, configuring and maintaining systems
  • Configuring and administrating users and system administrator account.
  • Managing users account and password reset in Active Directory
  • Issuing and managing User Tokens for VDI login
  • Deploying and Installing Administrative tools and software’s
  • Imaging and Deploying Baseline Applications on Devices
  • Backing and Restoring files User Profile & Data
  • Managing and Deploying Network Printers
  • Configuring User Profile on Outlook 365 and exchange server
  • Managing Organization inventory and Checklist
  • Configuring and Deploying Cisco VIOP phones
  • Monitoring and managing ticking system
  • Patching Switches from DLS to voice and Data.
  • Decrypting and Imaging PC’s
  • Experience installing, upgrading and configuring RedHat Linux 4.x, 5.x, 6.x, 7.x using Kickstart Servers and Interactive Installation.
  • Skilled With Commanding Line Interface.
  • Configuring User Credentials User Personal Identification and Verification ID Card
  • Responsible for creating and managing user accounts, security, rights, disk space and process monitoring in Solaris, CentOS and REDHAT Linux.
  • Configures DNS, NFS, FTP, remote access, and security management.
  • Creates Linux Virtual Machines using VMware Virtual Center.
  • Installs, upgrades and manages packages via RPM and YUM package management
  • Installs Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
  • Installs, configures and supports Apache on Linux production servers.
  • Manages Patches configuration, version control, service pack and reviews connectivity issues regarding security problem.
  • Manages systems routine backup, scheduling jobs and enabling cron jobs.
  • Administers VMware Infrastructure Client 3.5 and Vsphere 4.1.
  • Works with Database administrators to tune kernel for Oracle installations.
  • Installed RedHat Linux using kickstart.
  • Created, cloned Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts.
  • Managed systems routine backup, scheduling jobs, enabling cron jobs, enabling system logging and network logging of servers for maintenance.
  • Performed RPM and YUM package installations, patch and other server management.
  • Installed and configured Logical Volume Manager - LVM and RAID.
  • Documented all setup procedures and System related Policies (SOP’s).
  • Provided 24/7 technical support to Production and development environments
  • Administrated DHCP, DNS, and NFS services in Linux.
  • Created and maintained user’s accounts, profiles, security, rights disk space and process monitoring.
  • Provided technical support by troubleshooting Day - to-Day issues with various Servers on different platforms.
  • Develop and Maintain documents, library and procedural documents of the system
  • Installation, configuration & maintenance of Sun Solaris 9 and10 on Sun Servers and Sun Workstations and RHEL 5, 6 and 7
  • Creation of Users, Groups and mount points for NFS support;
  • Management of user accounts, files and directory permissions, and securing UNIX systems to match industry best practices;
  • Provides system administrative support for servers and workstations

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