SUMMARY:

• UNIX/LINUX/WINDOWS System Administrator with over 5 years of experience in a multi - platform Server builds on VMware, with hands-on experience in the administration and management of Windows Server 2008, UNIX (Solaris 10), LINUX (Centos 6.4/7); RHEL 6.4/7 and windows (7,8 and 10).
• Highly skilled at troubleshooting and fixing network connectivity related issues.
• Highly motivated and driven, possessing outstanding interpersonal, technical and communication skills.
• Adaptable, collaborative, strong team player, detail oriented, ability to multitasking and work within strict deadlines with a wide spectrum of people; Project leader experience.
• Solid background in systems and software installation, user and group administration role base access control.
• Competent in File System, Volume and Storage Management.

CORE COMPETENCIES:

• System/Software Installations
• File and Transfer/Sharing
• System Maintenance
• File System
• TCP/IP
• VMware Exsi6
• Troubleshooting
• Teamwork
• Volume/storage management
• Basic SElinux Management
• User/Group Administration
• Raid Configuration
• Active directory
• Solaris Virtualization/Zones
• Apache (HTTP)

TECHNICAL SKILLS:

Platforms/OS: Oracle Solaris (x86) 10, Red Hat Enterprise Linux 6.4/7, Centos 6.4/7 Windows Server 2007/2008/2010

Software: VMware vSphere Virtualization (ESXi 6, VirtualBox Hypervisor), Microsoft Office, WinSCP, PUTTY, Team Viewer.

Networking Protocols/tools: TCP/IP, DNS, DHCP, ICMP (PING), Ethernet, NAT, Netstat,, SCP, SFTP, FTP, SSH, CIFS, ARP, APACHE (HTTP), Jumpstart, kickstart, Solaris Virtualization (Zones)

Access Security Protocols: SElinux

Volume/Storage Technology: SVM, LVM, ZFS

Languages: Bash Shell Scripting

PROFESSIONAL EXPERIENCE:

Confidential, Mesa, Arizona

Unix System Administrator

Responsibilities:

• Support trouble-shooting client issues with high level data analysis and project review.
• Assist in support hours of operation and off hour production emergencies.
• Perform level of effort estimates for assigned tasks and change orders.
• Identify root causes of technical issues in production and out of box failures.
• Develop code updates to fix reported defects.
• Provide detailed information with Tier 1 clients as required.
• Implement best production support programming practices
• Engage in internal issues review and client calls.

Confidential, Beltsville, MD

UNIX/Linux System Administrator

Responsibilities:

• Builds, installs, configure brand new virtual and physical servers, test, deploy Solaris 10 RHEL/CentOS 6.4 and windows 7,8,10 virtual servers on Oracle Virtualbox and VMware Esxi 6 using VMware Player or vSphere hosted hypervisor
• Create new user accounts and profiles on Windows NOS, UNIX and LINUX systems.
• Troubleshoot and resolve OS, application, malware desktop related issues on various Windows NOS.
• Experienced with Standard and Advanced servers’ installation and configuration (JUMPSTART and KICKSTART
• Use “dcpromo” tool to configure DNS, Active Directory as well as to promote standard Windows 2008 servers to domain controllers.
• Setup, configure and troubleshoot TCP/IP, DHCP, DNS; NFS, CIFS and Samba Servers in multiplatform LAN
• Configured Active Directory on Windows 2008 server and Remote Desktop Access on windows 7,8,10.
• Responsible for assigning hostnames, default gateway, static and DNS address to servers in order to Introduce UNIX/Linux servers to the LAN.
• Configured A-records, created and managed users and groups on Active Directory, Solaris and RHEL/CentOS servers
• Setup, configured and troubleshoot TCP/IP related issues.
• Increased end-user productivity by immediately troubleshooting and fixing system issues emanating from hardware and software.
• Experience in building and configuring VMware host and guess system on Oracle Virtual Box as well as bridging the guess VMware systems to communicate with another physical LAN
• Configured file and print sharing then mapped shares to drive letters.
• Troubleshoot and fix system issues using built in windows troubleshoot application.
• Installed antivirus applications, uninstalled obsolete applications, and deleted system junk files.
• Configure Windows NOS clients to join the domain as well as configure file and print sharing on some Windows NOS to enable resource sharing.
• Fix virtual box issues and enable virtualization
• Perform multiplatform volume management using SVM, LVM, ZFS, and VERITAS volume manager; install and configure a LAN wide NAS (Free NAS) used for creating LUNs and attaching to windows 2008 servers and to Solaris 10 servers using iSCSi
• Understand cloud concepts and able to create an AWS free tier account: Involved in setting up a hybrid cloud environment and expanding the local LAN to the AWS cloud. Responsible for spinning up AWS RHEL8 and Windows Server 2019 EC2 instances
• Expand root file system server using “live upgrade”
• Expand users home directory (/export/home) on Solaris using SVM
• Supporting system users and troubleshooting system issues. Document solutions for future s
• Experienced with DevOps system deployment (NAGIOS and ANSIBLE) in Linux and Unix
• Build and Configure Apache HTTP to host static websites and applications in Unix and Linux
• Experience with crash management in Linux/Unix

Confidential

System Administrator

Responsibilities:

• Provide 24/7 support in Production Testing and Development environments.
• Responsible for data management using native Solaris utilities for archiving, compression backup and restore.
• Install and configure a samba server on a Solaris 10 and mapping to the windows 2008 server
• Configure password authentication (single sign on) using LDAP; IPA server service
• Responsible for User, Security and Package management in Unix and Linux
• Hardening, Patching (Solaris 10 Servers using 10-Recommanded patches) and upgrade (release) on standalone servers using single user mode.
• Capture and analyze Solaris 10 traffic with SNOOP command (Unix); then Centos traffic with TCDUMP command (Linux).
• Managing swap configuration
• Shell scripting (bash) to schedule and automate processes including full and incremental backups using tar and ufsdump.
• Responsible for root password reset in Linux and Unix
• Hands-on experience with ticketing tools such as Remedy, BMC service desk express