PROFESSIONAL SUMMARY:

• UNIX/Linux/Windows/AWS System Administrator wif over 5+ years of experience in a multiplatform environment consisting of Unix/Linux/Windows Operating Systems and AWS cloud wif intensive hands - on experience in the administration and management of the following operating systems. Windows 7Pro Windows 10, Windows 10 Pro, Windows Server2008 Windows Server2019, Unix Solaris 10/11 and Linux RHEL 6/7, CentOS 6/7 and also wif hands on experience wif AWS cloud most popular services like; EC2, VPC, S3, EBS, EFS, SNS, SQS, CDN, IAM, and AMI.
• Adaptable, collaborative, strong team player, detail oriented, ability to multitasking Excellent verbal and written communication skills; ability to work wifin strict deadlines and wif a wide spectrum of people; Project Leader experience.
• Solid background in systems and software installation, user and group administration, role base access control, file transfer and sharing; competent in file systems, volume and storage management, patch management amongst others.

PROFESSIONAL EXPERIENCE:

Confidential

Sr. Windows/UNIX /Linux System Administrator.

Responsibilities:

• Uninstall virus on windows systems, install anti-malware software, speed up Windows
• Upgrade Windows workstations Operating Systems, NOS Operating Systems and Windows Servers.
• Software deployment in windows NOS and workstation Systems ( 7Pro, 8, and Pro10 ).
• Troubleshoot and fix software related issues.
• Reset Windows systems passwords on VMWare.
• Troubleshoot and fix hardware and software related issues.
• Perform user management in windows 7pro, 10Pro systems and also on Windows Domain Controller.
• Configured users access control and security on resources in Windows Domain Controller (DC).
• Configure Windows Group Policies Ojects (GPOs) in Windows domain controller.
• Migrate data from one user profile to another.
• Map users to Network Drives on windows NOS and Windows Servers.
• Patch Windows Systems.
• Perform Operating system recovery on windows systems.
• Add Hard Drives to Windows Systems.
• Enable File and print sharing on Windows NOS Systems.
• Enable remote desktop (RDP) connections on Windows 7Pro, 8Pro and 10Pro Systems and Windows Servers.
• Assigned hostnames, static IP addresses, default gateway, addresses, and DNS addresses to Windows Systems and windows servers so as to introduce them to the network.
• Configured hostnames, static IP addresses, default gateway, addresses, and DNS addresses to Windows, Unix and Linux Systems so as to introduce them to the network.
• Using the “dcpromo” tool to configure DNS, Active Directories, and also promote standard Windows server 2008 to a domain controller.
• Promote standard Window Servers to a domain controller.
• Join Window systems to domain controller.
• User account management in domain controller(AD) perform some basic task like, creating user accounts, reset users password, delete user accounts add users to groups and updating user accounts component.
• Create shares in domain controllers and map users and groups to shares in the domain controllers.
• Create user accounts on windows NOS Systems and also performed data migration as well.
• Build or installed the following Virtual and physical Systems; Windows 7Pro, Windows 10Pro, Windows Sever 2008, Windows Server 2012, Windows Server 2016, Windows Server 2019, Solaris10, Solaris 11, CentOS 6.4, CentOS7, RHEL6 and RHEL7 as well as bridging the guess systems to communicate wif the physical Systems in the LAN.
• Spin up EC2 instances in AWS.
• Kickstart advanced installation Linux.
• Troubleshot basic network issues on Windows platform using the TCP/IP, DHCP, DNS troubleshooting tools to resolve network connectivity issues in multiplatform LAN.
• Configured Windows NOS clients Systems to join the domain controller.
• Troubleshoot basis network connectivity issues in Unix/Linux Systems.
• Used the SCP command to transfer data between Unix and Linux Systems to enable resource sharing.
• Used wget to download components and data from the internet to a UNIX/Linux server.
• Used secure wget to download data or components from secure websites from the internet.
• Experienced in root password reset in Unix/Linux.
• Performed Disk management in Unix /Linux.
• Swap management in Unix/Linux.
• System hardening Unix/Linux.
• System monitoring Unix/Linux.
• Perform RAID volume management Unix (RAID 0, RAID 1 and RAID 5).
• Perform multiplatform volume Management using ZFS, LVM volume management and VERITAS volume management, also using the LVM in Linux to manage Volumes. Install and configure a LAN wide NAS (Free NAS) create LUNS and attached them to Solaris 10 server using iscsi tools.
• Experienced wif creating EC2 instances and perform Server Administration on them.
• Experience wif migrating EC2 instances from one region to another region.
• Configure VPC Network in AWS.
• Experienced in hosting static website on S3 Bucket.
• Experienced wif cloning EC2 instances using snapshot and AMI.
• Experienced in creating EBS volumes and attaching them to EC2 instances.
• Installed and configured LVM2 filesystem in RHEL in AWS.
• Deploy EBS volumes to EC2 instance.
• Manage users permissions, policies and roles through (IAM).
• Root filesystem extension in Linux.
• Performed user account and security management in Unix/Linux.
• Configured file ACLs Unix/Linux.
• Configured Role Based Access control(RBAC) Linux as well as assigning Roles to certain users.
• Manage system processes Unix/Linux.
• Configured umask for specific users in Unix/Linux.
• Configured Setuid, Setgid and Sticky bit to prevent lost of data in Unix/Linux.
• Perform System security monitoring and hardening in Unix/Linux.
• Installed and configure Samba Server in Unix/Linux.
• Installed and configured NFS Server in Unix/Linux.
• Experienced wif installing and configuring Ansible Server in Linux.
• Experienced wif installing and configuring a Splunk Server in Linux.
• Experienced wif installing Docker Servers and Docker containers in Linux.
• Configure apache server in Unix/Linux.
• Kernel upgrade in Linux.
• Package management in Unix/Linux. installed and configure Webmin in Solaris 10
• Install and configure Mysql (Maria DB) for web hosting.
• Build, configure, secure and deploy Solaris 10 system (global)
• Build, install, configure, secure deploy and migrate Solaris 10 local zones (spare root or whole root zone).
• Troubleshoot Solaris 10 and Linux issues emanating from hardware and software related also configuration issues.
• Patching Solaris 10 (using 10-Recommended), and upgrade release on standalone servers (in single user mode) also on production Servers (liveupgrade).
• Patching in Linux.
• Write basic bash shell scripts to automate processes using crontab and the at.
• Perform Full and incremental backup using TAR, Rsync and CPIO tools.
• Provide 24X7 support in Development, Testing and Production environments.
• Crash management in Solaris 10 (Crash dump and core dump).

Technical skills: Solaris 10; Solaris 11; RHEL6; RHEL7; Centos 6; Centos 7; Windows 7pro; Windows 10pro; DC; AD; Windows Server 2008; Windows Server 219; NFS; Ansible;Splunk; Docker;SSH, Samba; AutoFs; Oracle virtual box; LVM; ZFS; UFS; VERITAS SF; Zones; FreeNas; TCP/IP; ScienceLogic; Zabbix; SolarWinds; DNSDHCP; SCP; SFTP; SMTP; FTP; WinSCP; WGET; SECURE WGET; VMware ESXI 6.5; IAM; S3; AMI; VPC; EC2; CDN; SQS; SNS

Windows System Administrator

Confidential

Responsibilities:

• Troubleshoot and fix hard and software issued related to Window systems.
• Increase system performance.
• Troubleshoot basic network connectivity issues.
• Enable file and print sharing to manage system resources.
• Deploy Applications in Window systems.
• Migrate date from one user profile to another.
• Manage user account Windows NOS systems.
• Promote Windows Server 2008 to a domain controller.
• Installed Window Operating Systems.
• Join NOS systems to Windows Server 2008 domain controller.
• Manage user account in active directories.
• Set up security on group policy and users in active directory.
• Introduce Windows Server to the network by setting up static IP, default gateway, DNS and subnet mask.
• Enable Remote Desktop connections on Window systems.