System Administrator Software

Yusuf Abayomi Busari

**************@*****.*** Cell: 240-***-****

LINUX SYSTEM ADMINSTRATOR

Professional Summary

I am an Experienced Linux administrator for about 5years and 7years experience working in the I.T industry, I stay committed to every project I find myself from start to finish with outstanding results. My understanding of this profession is one that every organization needs and the willingness to learn new things sets me apart from everyone, I am a professional, team player and a detail-oriented System Administrator motivated to drive projects from start to finish to client’s satisfaction.

Technical Skills

Operating Systems

oServer 2003, Server 2008, Server 2012, Mac OS, VMware ESXi, Linux (RedHat, CentOS, etc.)

Hardware

oVirtualization: VMware tool, Dell PowerEdge, Dell Tower Servers, ESXi, Hyper-V, AWS, Digital Ocean.

Applications

Apache, WINSCP, Nagios/OMD, Putty, Jenkins, Samba, FTP, NFS, Git, Jenkins, DNS, DHCP, Confluence, JIRA, Ansible, MySQL, GitHub, EC2, Ngnix, Tomcat, Gitlab, LVM, Load balancer, Cron, SSH, FTP, DHCP, Squid, Proxy, LDAP, FreeIPA, CloudWatch, Bind, Zabbix, Splunk, FileZilla, etc.

Programming

oKnowledge of Bash scripting.

Certifications:

oCompTIA Linux in review.

oCompTIA Security +.

oLinux Administration and Troubleshooting Certificate.

oScrum Master Certificate.

oRed Hat System Administration 1 – SA1 (RHEL8)

Work History:

Linux System Administrator.

Afroalpha Network LLC, Washington DC.

Date: May 2018 till present.

Responsibilities:

Identify and drive continual improvement program in LINUX environment and improve the service efficiency.

Working with application deployments, upgrades, data migrations, and patches

Experience parsing event logs to identify and troubleshoot incidents

Troubleshoot virtual machine backup and restore failures as well as perform database migrations.

Maintaining Linux environment and basic services such as DHCP server, squid proxy server and mail servers.

Creating new technical solutions and strategies.

Building, configuring, patching, upgrading, and troubleshooting of physical and virtual servers.

Provide detailed project status reporting as directed by management.

Performs day-to-day maintenance and installation of server, network equipment, virtual machines, messaging, backups, and storage.

Installing of ESXi hypervisor servers, vSphere clients and VCenter Servers.

Restoring data in the event of emergency.

Building and maintaining Domain servers.

Troubleshooting and maintaining of TCP/IP, Apache, SMTP and DNS applications.

Configuring and adding new services as necessary.

Upgrading and configuring system software that supports infrastructure applications.

Applying OS patches and upgrading on a regular basis.

Work History.

Linux System Administrator.

Distinct Staffing LLC.

Bowie, Maryland.

Date: February 2016 – April 2018.

Responsibilities:

Creating and modifying host-based firewall rules using IPTABLES.

Installing of ESXi hypervisor servers, vSphere clients and VCenter Servers.

Managed firewall, network monitoring and server monitoring both on- and off-site.

Troubleshooting and maintaining of TCP/IP, Apache, SMTP and DNS applications.

Experience in backend solution, day to day system admin and monitoring, file system management and disk management and creation of shell scripts for the automation of tasks and the extraction of logs.

Hardware and software installations, upgrades, maintenance, security analysis and network performance and tuning of Linux servers in a virtual infrastructure.

Implemented company policies, technical procedures, and standards for preserving the integrity and security of data, reports, and access.

Activated accounts for clients interested in new services.

Identified and solved technical issues with a variety of diagnostic tools.

Provided continued maintenance and development of bug fixes and patch sets for existing web applications.

Troubleshoot system software, hardware, and connectivity issues.

Kept license current and updated policy handbook.

Work History.

IT Technical Support.

Tightech Consult

Kenilworth, Maryland.

Date: January 2015 – January 2016.

Responsibilities:

Troubleshoot, diagnosed, and resolved problems related to operating systems, hardware, and software

Resolve Linux system errors and crashes, disk space problems, huge file system and full disk errors.

Implementation and troubleshooting of Linux network services such as NFS, NTP, FTP, SSH, DNS, NIS.

Configure LDAP server and LDAP client on Linux machines for authorization and authentication.

Build new Linux Virtual Machines and physical server using templates and ISOs.

Manage package installation and upgrades using YUM and RPM.

Experience Installing, configuring, securing, and troubleshooting CentOS, RHEL, or Ubuntu Linux Administration

Experience with high performance clusters in a virtualized/containerized environment

Provided day-to-day technical and application support on the phones, via online chat or face to face at Solve desk assisting with employee issues involving desktop, laptop, network, or application services.

Installing and configuring desktop hardware and peripheral devices, such as networked printers, for local/remote branch offices, performing remote or onsite maintenance.

Communicated the software problems and issues to software development and support teams.

Perform Surveillance, Monitoring, Incident Management and Change Management.

Determining the effective resolution by troubleshooting and analyzing computer system errors of moderate to difficult scope where analysis of situation requires an in-depth evaluation.

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