Abdoul Barry
Canal Winchester,OH
Summary
Linux System Administrator with5+ years of experience in a multiplatform environment, including hands-on experience in building virtual servers into the AWS cloud, Kickstart, administering, and managing Red Hat Enterprise Linux7,8 &9 Centos7 &8. Expertise in monitoring critical parameters of applications, network, and server resources using Nagios, and AWS CloudWatch monitoring tools. Skilled in file systems, EBS volume and storage management, patch management, application installation, and configuration. Strong ability to troubleshoot and resolve technical issues, including processes, crash and swap management, password recovery, and performance tuning to ensure the successful operation of systems. Experienced in connecting Linux systems to Single Sign-On LDAP/Active Directory Server and virtualization (VMware ESXi, VMware Workstation Pro, Oracle VM VirtualBox, KVM). Knowledgeable in simple shell scripting and Ansible playbook for daily recurring task automation.
Personable and technically inclined, offering solid foundation in Linux systems and network administration. Proficient in managing system updates and security protocols, with hands-on experience in shell scripting and troubleshooting. Dedicated to leveraging technical skills to ensure optimal system performance and reliability.
Overview
6
6
years of professional experience
1
1
Certification
Work History
Linux Administrator
Ohio Health
06.2023 - Current
- Install, and configure both virtual and physical servers, specializing in RHEL7,8,9 and Centos7,8 deployments
- Conduct comprehensive log management on UNIX/Linux servers, optimizing processes and managing crash and swap issues alongside password recovery
- Set up and configured TCP/IP, DNS, NFS, CIFS, LDAP, KVM, and Samba servers in a multi-platform LAN, troubleshooting any related issues
- Plan, implement, and maintain AWS infrastructure, including virtual private clouds (VPCs), subnets, security groups, IAM roles, and policies
- Administer RHEL7,8,9 and Centos7,8 server troubleshooting, focusing on resolving configuration-related challenges
- Implementing and managing virtualization solutions using VMware ESXi, Oracle Virtual Box, and KVM
- Installing and configuring Samba server, efficiently mapping it to the Windows server for seamless integration
- Integrated single sign-on LDAP/AD server and configured Auto-mount for improved accessibility
- Participated in detailed root-cause analysis of recurring issues, contributing to the enhancement of system backup and security set-up
- Supervised user account administration, including the management of password aging configurations on servers
- Ensured the security and integrity of file systems and hosts, administering necessary patches and updates to optimize performance
- Assist in implementing AWS services, including EC2, S3, RDS, VPC, IAM, CloudWatch, ELBs, and ASG
- Write CloudFormation stack to create multiple AWS cloud services
- Design and implement AWS infrastructure using services like EC2, S3, and RDS, ensuring scalability and reliability
- Deploy and manage EC2 instances, configuring security groups and IAM roles to enforce least privilege access
- Implement AWS CloudFormation templates for infrastructure as code, enabling automated and repeatable deployments
- Monitor and optimize AWS resources using CloudWatch for performance tracking and cost management
- Configure and manage VPCs (Virtual Private Clouds), subnets, and route tables for secure network architecture
- Integrate AWS services with on-premises systems, ensuring seamless connectivity and hybrid cloud functionality
- Utilize AWS Lambda for serverless computing, automating routine tasks without managing servers
- Implement AWS Identity and Access Management (IAM) to control user permissions and secure access to resources
- Conduct regular audits of AWS accounts to ensure compliance with security best practices and regulatory requirements
- Backup and restore data using AWS services such as S3 and Glacier, ensuring data durability and availability
Linux Administrator
Uber Technology Inc.
12.2018 - 06.2023
- Managed server builds and deployments, specializing in Centos7.x
- Conducted user account administration, addressing and resolving customer issues through comprehensive troubleshooting
- Monitored and managed server performance using associated tools to maintain optimal functionality
- Set up, configured, and troubleshot TCP/IP, DHCP, DNS, NFS, CIFS systems to ensure seamless network operations
- Performed detailed logs administration to detect and swiftly resolve system errors
- Provided technical support to software developers, facilitating efficient development cycles
- Developed comprehensive functional and technical documentation to support system maintenance and future developments
- Performed security hardening on dedicated servers by disabling unused services, enhancing overall system security
- Utilized basic LDAP and Active Directory knowledge to bind the member server to the LDAP server and auto-mount the home directory
- Managed file archiving, compression, unpacking, and decompression using tools such as gzip, star, tar, bzip
- Configured key-based authentication for SSH, ensuring secure system access
- Installed and updated software packages from RedHat Network, configuring a remote repository or for the local file system
- Customized user shell environment using shell initialization files for personalized user experiences
- Configured Server specifically for Database and Apache, ensuring efficient performance
- Collaborated within a team to provide7x24 support when required, ensuring consistent system uptime and reliability
Education
Information Technology (Core Classes)
University of Barack Obama
01.2014
Skills
- Linux/Unix System Administrator: Equipped with comprehensive knowledge of UNIX/Linux operating systems
- Operating Systems: Red Hat Enterprise Linux (RHEL)7,8, &9, CentOS
- Server Management: Proven experience in installing, configuring, testing, and deploying both physical and virtual servers using RHEL and CentOS Proficient in virtualization technologies like VMware ESXi and KVM
- Scripting and Automation: Proficient in Bash shell scripting and Ansible for automating administrative tasks, enhancing system efficiency and reliability
- Network Services Administration: Skilled in setting up, configuring, and troubleshooting network services including TCP/IP, DNS, NFS, CIFS, LDAP, KVM, and Samba servers
- LDAP/AD Configuration: Experience in configuring LDAP/AD servers for single sign-on, establishing secure and efficient user authentication processes
- Apache HTTPD Management: Skilled in installing, configuring, and managing Apache HTTPD, ensuring optimal web server performance
- Backup & Recovery: Expertise in implementing comprehensive system backup and recovery strategies, minimizing potential data loss and ensuring system continuity
- Security Management: Proficient in managing user accounts, implementing password aging configuration, and maintaining file system security to ensure optimal system security
- Troubleshooting: Strong problem-solving abilities in troubleshooting complex system and network issues, ensuring minimal downtime and maintaining system performance
- Linux
- Software installation
- Configuration management
- Hardware troubleshooting
LINKS
LinkedIn: www.linkedin.com/in/abdoul-barry-b60119276
Certification
- Red Hat System Administrator Training Completed2018: Demonstrated proficiency in Linux system administration, enhancing my technical skill set and providing a solid foundation for my current role.
- Ongoing Training2023: Red Hat Ansible Automation
- Amazon Web Server (solutions architect Associate ) Currently pursuing2024
Languages
English
Full Professional
French
Full Professional
Software
Linux Administrator
AWS Solutions Architect
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Work Preference
Work Type
Full TimeLocation Preference
RemoteHybridImportant To Me
Paid sick leavePaid time offWork from home optionHealthcare benefitsCompany CultureWork-life balancePersonal development programsCareer advancementTeam Building / Company Retreats401k matchQuote
Every problem is a gift—without problems we would not grow.
Tony Robbins
Timeline
Linux Administrator
Ohio Health
06.2023 - Current
Linux Administrator
Uber Technology Inc.
12.2018 - 06.2023
Information Technology (Core Classes)
University of Barack Obama