Linux Administrator
Resume:
OKUSANYA OLAYINKA BABATUNDE
Address: **** ***** *****,*** *.Chicago,Illinois
Email:***********@*****.***
OBJECTIVE: Young professional with strong detailed knowledge of security tools, technologies and best practices with more emphasis on Linux, networks, application and endpoint. Two years of experience in system security monitoring, auditing and protection, of Redhat Servers, GSS (General Support Systems) and MA (Major Applications). I am seeking to apply my skills and expertise to help achieve Enterprise-wide system security goals and objectives. Proven ability to lead, direct, and solve security risks problems professionally, and make strategic decisions in fast paced environment. PROFESSIONAL CERTIFICATES:
• Cisco Certified Network Administrator (CCNA)
• Oracle/Solaris Certified System Administrator (SOLARIS 10)
• Oracle/Solaris Certified Network Expert(SOLARIS 10)
• LPI Linux Essentials 010-160
• CompTIA Linux+ XK0-005
WORKING EXPERIENCE:
2019 - Present Nextgen Data Cloud
Role: Linux System Administrator
• Experience in installing, configuring, Monthly patching and Daily troubleshooting of Red Hat Enterprise Linux.
• Assign Servers to patch groups, Assign repos to servers, Publishing Versions and Promoting Channels in RedHat Satellite
• Reading Grafana Monitoring, Unitrend Backup report, and Deploying VMware EXSI 6.7/7.0 Snapshots
• Install and Decommission of servers using VMware EXSi 6.7/7.0 (VMware Vsphere) for Virtual Servers and HP iLO 5 (HP OneView) for physical RHEL servers
• DNS entries and removal on Windows Server Datacenter 2019
• Joining RHEL servers to Active Directory. Querying AD users and AD groups using Powershell
• Various System Administrator tasks: user management, File system management, Permissions and Ownership of files and Directories, Working with Vendor to setup applications, Sudo Files configuration, Kernel Tuning, Troubleshooting service failure such as network, ssh, etc…
• Participate in various projects such as server migration from one datacenter to another and for virtual servers, from one Datastore (LUN) of a specific EXSI to another
• Data migration using SCP and RSYNC with a combination of automated tasks usint AT and CRONTAB
• Setting SSH keyless communication between servers
• Setup SSSD communication between AD and Rhel servers and allow AD groups to access RHEL servers. And with a combination of sudoers files and bash scripts, AD users can switch to local users
• Setup temporary root access for application team that will be removed with AT job.
• Write my own Ansible Playbooks, bash scripts, and Python scripts to accomplish various projects
• Creating Documentation to help new staff following company standards
• Verifying daily Unitrends backup of assigned servers
• Take VMware snapshots of newly built VMs before handing it over to application teams
• Viewing Icinga dashboard to detect filesystems (LVM) running out of space and troubleshoot it, viewing services issues that need a restart/reload with systemctl
• Setting up NFS home directories and NFS mount for applications
• Follow Linux security standards and guideline, Record to Change Management
• View logs under /var/log for troubleshooting various issues
• Experience with ticketing tools ServiceNow.
• Participate on the ON-Call Rotation every 2 months. (Mon – Sun from 5pm to 7am) 2010 - 2014 Solanjy Technologies Limited 8/10, Broad Street, Lagos Island. Lagos ROLE: System Support Engineer: Alcatel-Lucent & IB - Remarketing / Green System MEA (As Third Party Project).
• Providing first level support for the sun Servers
• Performing hardware and software installation and upgrades on servers
• Fault troubleshooting and resolution.
• Procurement and Installation of Field Replacement Units (FRUs).
• Monthly health checks on customer’s servers and scheduled preventive maintenance.
EDUCATION:
2006 Yaba College of Technology (HND)
Electrical/Electronic Engineering (Lower Credit)
2001 Yaba College of Technology (OND)
Industrial Maintenance Engineering (Lower Credit)
1996 Western College (Secondary) School, Lagos State West Africa Examination Council (WASC)
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