Elvis Teganyi

• Created and serviced administrator and user accounts on Linux-based systems, managing 500 deployments.
• Stayed up-to-date on the latest developments in Linux technologies and best practices, sharing knowledge with team members to continuously improve processes and systems.
• Resolved complex technical issues promptly by leveraging strong troubleshooting skills and root cause analysis techniques.
• Installed system-wide hardware components, confirming interoperation and compatibility with Linux-based software distros.
• Upgrade server OS, application versions, and software
• Implement RHEL 7/8 integration with Puppet, Nagios, Ansible, and Splunk
• Configure firewall firewall rules and hardening Linux systems for enhanced system security
• Installed, configured, and maintained services such as NFS, DNS, Apache Web Server, SSH, RPM, and YUM/DNF repositories
• Experience with on prem to AWS cloud migrations
• Perform ongoing monitoring of CPU, memory/RAM, disk usage, etc and take corrective action
• Plan, configure, install, tune and maintain software on large-scale systems
• Performed daily incident management and resolved day to day problems raised by users and incidents logged via monitoring system

• Spearheaded a major project migrating from RHEL 7 to RHEL 8
• Setup and managed tenable nessus for vulnerability scanning
• Performed day to day Linux administration tasks such as user account management, directory services, file system sharing and permissions
• Edited system configuration files in Linux; network settings, service configuration files.
• Performed system administration tasks such as troubleshooting, root cause analysis, problem resolution, patching, package install and updates, and software upgrades
• Wrote shell scripts for various tasks such as back-ups, collecting logs, installation, and monitoring
• Submit requests for change in monthly change control meetings and any potential impact(s)
• Monitoring system health, performance status and network security through various applications and by monitoring system logs and reports
• Experienced with Logical Volume Management (LVM)
• Troubleshoot disk space issues with network storage as well as database issues related to storage on Windows and Linux servers

Responsible for day to day maintenance of virtual and physical servers as well as installing, configuring and maintaining the company's various network devices, applications and firewall including system and application upgrades, updates and patches.

• Configured web based applications on LAMP (PHP) stack
• Experienced with vsphere, vMotion, vCenter vmware technologies
• Create documentation, user guides, diagrams and SOPs as needed
• Understanding of TCP/IP and network protocols (https, dhcp, dns, ssh, nfs, etc...)
• Provision RHEL Virtual Servers, Windows Servers, Ubuntu and Windows 10 clients
• Created security group in AD for integration in SharePoint sites
• Managed Active Directory, DNS, and GPO
• Configured NFS access
• Successfully transitioned from using fstab to autofs for NFS access