ISRAEL OGUNDARE

317-***-**** ad1wgj@r.postjobfree.com Indianapolis, IN 46214

PROFESSIONAL SUMMARY

Certified System Administrator (RHCSA), Professional VMware vSphere 7.x (VCP-DCV), Certified VMware Associate (VCTA-DCV), and Splunk Core Power User. with more than six years of exceptional skills in Linux/UNIX, Identity Access Manager(FreeIPA), VMware, Virtualization, Window Operating Systems, and AWS.

Committed Administrator with strong desire for personal growth.

Hands-on experience in the administration and management of RedHat/CentOS systems version (6,7,8,9). and Windows server 12/16/19 Solaris (10 and 11).

Excellent written and communication skills with ability to work under minimal supervision.

Great team player and excellent at building relationships with management and coworkers.

TECHNICAL SKILLS

Platforms/OS: Red Hat Enterprise (Linux) 6/7/8/9, Centos 6/7/8/9, ubuntu, Kali-Linux AWS, Azure, Jira, Sftp, ftp, Local Storage, LVM, Autofs, NFS. Manage Security, Manage Files, Store logs, chronyd, User and Group management, Basic Network, DHCP, DNS, TCP/IP Kickstart, MySQL, Docker, Ansible, Yum/repo, System Patching, User Identity Management, server Improvement, Tune System Performance, ACL, SELinux Security, Splunk, Nagios, Acronis, Windows Server, 2008/2012/2016/2019, Windows 10, window upgrade, Solaris 9/10/11, Oracle Virtual Box, VMware EXSI, vSphere, vSAN, vCenter, VPN, Cloud Infrastructure,

Software: Active Directory, Winscp, VMware, vSphere Client, vCenter, Putty, Splunk, Universal Forwarder and kali-Linux

WORK EXPERIENCE

Systems Administrator Trinitech Consulting, Inc. October 2019 – Present

Windows:

Built, installed, and configured windows systems in physical and virtual environments using VMware EXSI, Hyper-V and Oracle virtual box for testing and production settings.

Installed and uninstalled applications, run upgrades, backup-maintained windows systems.

Installed and Promoted Active Directory, DNS and DHCP on Window Server.

Installed, Configured, and Deployed Window Server 2012, 2016, 2019 and 2022 Update with GUI and with Window PowerShell

Managed and maintained user accounts wide in MS 2012, 2016, 2019, and 2022.

Migrate Active Directory from Window Server 2012 to Window Server 2016 and Window Server 2016 to Window Server 2019 and Window Server 2022

Provides remote and on-site IT support to customers including Installing and configuring software, hardware and networks and repairing computer systems and equipment.

Configured active directory on windows servers, connected systems to the domain, and maintained the domain by adding user account, connecting other systems, managing access and resources, and configure servers.

Configured NOS systems for RDP, file, and print sharing, provided overall support for the network.

Extensive experience building networks and using package tracer to ensure smooth operations and functionality of the LAN.

Configured group policies in windows active directory, enhanced security, and standardized subsets in an organization.

Installed and configured VMWare ESXi 5.5, 6.5 7.0, and 8 on bare-metal, and on hypervisor type 2 (Workstation) for testing and production environment, and VMware vSphere and vCenter.

Installed Package through SCCM

Creating Datacenter, Clusters and join Esxi hosts to the cluster.

Linux:

Configured and maintained Linux/Unix servers, managed multiple users accounts, and provided solution proven technical assistance to clients and colleagues.

Build, Installed and configured brand new physical server and virtual machines, test, deployed RHEL 6,7,8 and 9 CentOS 6,7,8, and 9 Solaris 6.7.8 and 9 server and introduced them to network.

Installed, configured, and maintained services such as SSH, RPM, YUM and DNF Repository, DNS, DHCP, NFS, Apache webserver(httpd).

Install and Configured File sharing for Server and Clients such as, NFS (Network File System), AutoFs, Samba and FTP.

Installed and configured Cockpit Application for Server Management, System Monitoring, Software updates, Network Configuration, Logging and troubleshooting and Security.

Installed and configured Tuned for server high performances.

Maintained and upgraded various hardware and software, resolved all network problems.

Troubleshot Unix and Linux issues emanating from hardware and software.

Secured OS systems using password aging and complexity as well as providing user and security administration on RHEL and CENTOS reducing hacking intrusions.

Used Cron/Crontab for job scheduling and other tasks.

Used Ansible for managing system configurations, created, and pushed profiles to new servers.

Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands and NFS.

Developed tools/scripts for automation (Bash Scripting).

Consistently completed projects in less time than required.

Eliminated extended downtime of network and processes by installing and configuring a Splunk server to monitor Window/Linux Servers.

Sep up and join Splunk server to receive and manage logs.

AWS:

Created VPC, VPC Peering and its components on AWS.

Setup a samba server in RHEL7,8,9 and Centos 7,8,9 server on EC2 instance, configured systems to join the share.

Configured IAM user roles and policies on AWS to specify permission for specific users or services, ensured security of the system.

Spine up configure AWS EC2 instances in the cloud for Windows, Unix, and Linux system.

Managed and configured security in the cloud by implementing MFA and SSO to authenticate into system.

Used AMI to create and manage large scale standardization.

Configured file and print sharing in a hybrid environment, connecting local systems to the AWS share.

Created samba serves in the cloud, connecting local windows systems and systems in cloud to the server.

Created and configured databases on local and Linux EC2 instances.ws Cloud Networking, EC2, IAM, EBS Volumes, S3 Bucket, and Autoscaling.

Uspack Company

Systems Administrator February 2017 – October 2019

Active Directory and Window server management.

Planned and created various server builds through VMware, VirtualBox and AWS Cloud, supervise allocation of hostnames, static IP addresses, default gateway addresses, and DNS addresses to Windows 2012,2016 and 2019 servers.

Oversaw and managed AWS cloud resources using suite of tools.

Configured DNS, Active Directory, Group Policies objects by using promoted standard Windows 2012, 2016 and 2019 servers to domain controllers.

Configured hybrid network to expand LAN into AWS Cloud and resolve client issues by using remote desktop utility tools.

Planned, installed, and performed NOS imaging of Windows 7, 8 and 10, while establishing new user accounts on Windows NOS, UNIX, and LINUX systems.

Reset root password of Solaris 10, Centos 6.4, 7 and 8 as well as fix OS, application, malware desktop issues on various Windows NOS.

Identified and troubleshot network connectivity issues by using TCP/IP tools.

Developed logical volumes by using logical volume managers, including configuration of 0, 1, 5 volumes of RAID, and preparation of file systems.

Installed and configured Linux servers.

Created and maintained user/service accounts, passwords and profiles, home directories, initialization of files, group creation management.

Created LVM (Logical Volume Management),

Used “lookup” to query DNS servers and obtain server/device fully qualified domain names FQDN.

Successfully earned 100% issue-resolution scores by delivering excellent service to internal/external customers, while serving as main escalation point for troubleshooting advanced network/systems issues.

EDUCATION/CERTIFICATIONS

B Sc, Business Administration and Management, University of Ado-Ekiti

RedHat Certified System Administrator (RHCSA) v9 2023

Professional VMware vSphere 7.x 2023

VMware Certified Technical Associate - Data Center Virtualization 2023

Splunk Core Certified Power User 2023

CompTIA Linux+ 2019

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