System Administrator Customer Service

Fnu Frankline Ekesagha Fotabe adqklg@r.postjobfree.com

Waldorf, MD 240-***-****

SUMMARY OF QUALIFICATIONS

Seasoned Certified Linux System Administrator with 6 years successfully managing diverse distros and multi-site installations. Proficient at streamlining all scales of system architecture, from single terminals to networked servers. Expert at maintaining smooth operation of Linux-based hardware and virtual installations with dynamic performance in environments relying upon diverse operating systems. Extensive understanding of installing, configuring and administering RedHat 7&8 and Centos 7&8. SKILLS:

Operating Systems: Red Hat Linux Enterprise7&8, Centos 7&8 Networking: SSH, DNS,DHCP,TCP/IP,LAN,WLAN

Virtualization: Deploy Virtual Machines using VMWARE Scripting: Bash Scripting, Ansible playbook

Tools Used: Ansible, Nagios, Git, gitlab,Bitbucket,FreeIPA, Jira,Docker, kubernetes, slack,VMWARE

PROFESSIONAL EXPERIENCE

Pro-Core Plus Silver Spring, MD

Linux System Administrator January 2018 – 01/2022

• Provides hand-on Linux System administration on a large production environment running Red Hat Enterprise Linux as I help them resolve network issues,virtualization and hardware issues related to over 600 Linux servers in dev, staging and production environment.

• System configuration/hardening using SELinux, permission on linux server and restricting access to terminals, disabling unnecessary services and securing the server.

• Pull and run docker images from docker registry and create multiple containers from base images like nginx, Ubuntu, centos and redhat then push it back to Dockers registry after building images.

• Create kubernetes cluster and join slave notes to master notes using generated token.

• Troubleshoots Linux server availability and application delivery issues and finds root cause of issues.

• Adding new development user accounts, resetting user accounts password in RHEL & Centos to allow new developer's access to Servers.

• Perform IT system administration and maintenance. Monitor systems for proper operation and take appropriate preventive and corrective actions. Maintain configuration and log files.

• Install Ansible on centos/redhat and create inventory and add hosts and deploy changes from the control machine,run adhock commands and playbooks to automate tasks .

• Utilize LVM for managing the various storages needed by a host of users across the infrastructure.

• Daily use of the issue tracking software Jira, resolve tickets related to Apache Web Servers, NFS shares, autofs, and identity management with FreeIPA.

• Provide support and training to staff.

• Automate and Installed Red Hat Enterprise Linux Servers and Centos on both physical and virtual environments using kickstart and manual configuration on VMware virtualization infrastructure

• migrating virtual machines across ESX hosts and data stores .

• Daily use of version control systems Git to maintain simultaneous development,team collaboration and high availability .

• Maintain collaborative relationship with management team,network engineers, and developers.

• Maintain centralized documentation and internal wiki for continuous improvement and efficiency.

• Configure DNS, NFS,FTP, remote access and security management.

• Create and maintain EC2 instances,set elastic load balancer, Auto scale groups, security groups, instance authentication through role. Build AMI images to create new instances.

• Use Route 53 to create DNS Records and policies to reroute traffic to closest load balancers.

• Create S3 buckets and uploading files and folders, taking snapshots to other availability zones, versioning, Encryption, bucket polies and making buckets to be hosted as website .

• Create AWS accounts and IAM users, assigning policies and roles, setting MFA.

• Created/configured file systems and file system attributes (permissions, encryption, and access control).

• Monitored production systems, applications, and network performance via network monitoring tools.

• Experienced in managing users and groups, including use of centralized directory for authentication.

• Interacted directly with users to diagnose/correct major system issues and address technical concerns.

• Installs and upgrades software and hardware.

• Operate running systems, including booting into different run levels, identifying processes, starting and stopping virtual machines, and controlling services. Cox Cable Ashburn, VA

Linux System Administrator (Contractor) August 2017 – November 2018

• Added new development user accounts, removing users, resetting user accounts in RHEL to allow new developer's access to Red Hat Servers. Managed repos and led in installing packages using YUM.

• Installed and configured Red Hat Enterprise Linux Servers in both physical and virtual environments.

• Used VMware Vsphere virtualization infrastructure .Deployed virtual servers using templates and kick- start files. Coordinated with other resources to troubleshoot and resolve system faults in a timely manner.

• Provided leadership in facilitating system utilization by conducting on-the-job training for system users.

• Troubleshot services and applications through root cause analysis (DNS, LDAP, SSH, FTP, HTTP).

• Managed firewall rules for new servers to enable communication and ensure proper level of security.

• Maintained enterprise-class monitoring/management systems and associated networking technologies. Troubleshot network connectivity issues and re-established connections. Configured NFS and exports.

• Reviewed incident tickets to fully ensure proper operational metrics were captured. Monitored production networks, servers, applications, and services. Responded to alerts according to standard support process.

• Monitored and controlled disk space usage. Served as a point of contact for disk space technical support, and isolated faults on the network remotely, and raised trouble tickets on the faults as necessary.

• Participated in numerous projects and activities, communicated issues, obtained approvals, resolved problems, and maintained knowledge of new technologies, team efforts, and policy requirements. Office Depot Waldorf, MD

Help Desk Support September 2016 – June 2017

• Experienced in monitoring and responding quickly to incoming requests related to IT issues. Provided leadership in maintaining computer systems and service as a support resource when systems went down.

• Was responsible for PC's, printers, servers, and equipment (monitors, keyboards, mice, and hard drives).

• Assisted with onboarding of new users. Maintained PCs, including upgrades and configuration as needed.

• Delivered excellent customer service through collaborative work assignments with Office Depot teams.

• Was responsive as a technical resource in providing timely technical support to resolve difficult computer issues and requests for small- to medium-size businesses, where the process of troubleshooting in the computer environment consisted of working with staff to resolve issues within a timely manner.

• Responsibilities included: completing requests from users; finishing new software installations, phone setups, PC upgrades, and smartphone support; and providing employee training on new system software.

• Created images for systems. Led on completing maintenance, upgrades, and infrastructure modifications.

• Participated in interdepartmental projects/activities, communicated issues, obtained approvals, resolved problems, and maintained knowledge of new developments, team efforts, and policy requirements.

• Increased knowledge of LAN/WAN technologies and topologies as applicable to routers and switches.

• Kept inventory of equipment, software, and user licenses. Installed, configured, and upgraded software.

• Recognized as result-driven individual who enjoys working in a fast-paced and challenging environment. EDUCATION

University of Buea – Bachelor of Science May 2015

CERTIFICATION

Linux System Administration -Yellowtail.tech September 2020 RHCSA Certified –

RHEL8 ID (200-119-949) October 2020

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