Abdourahamane Barry

Linux/Unix System Administrator || Red Hat || CentOS || Automation || SECURITY|| SAMBA || NFS || SMTP || PATCH || File Management || Firewalls || ACL || Selinux|| Swap management || LDAP||RAID||

Role
Linux System Administrator at Uber
Location
Brooklyn, NY, US
LinkedIn followers
500 followers
Information TechnologyView LinkedIn profile

About Abdourahamane Barry

Results-driven Linux/Unix System Administrator with 5+ years of experience managing, securing, and optimizingenterprise IT infrastructures across Red Hat, CentOS, and Ubuntu environments. Skilled in server administration,network configuration, virtualization, automation, and storage management. Experienced in designinghigh-availability environments, disaster recovery planning, and incident response. Strong background in systemhardening, SELinux enforcement, firewall policies, and compliance with enterprise security standards. Adeptin automating deployments with Bash and Ansible, improving operational efficiency, and minimizing downtime.Collaborative problem solver with proven expertise in monitoring, performance tuning, patch management, andcross-team communication to ensure scalability, reliability, and business continuity.

Experience

  1. Linux System Administrator

    Uber

    Mar 2023 — Present · NY, US

    Manage enterprise-scale Linux infrastructure (RHEL 7/8/9, CentOS 7/8) across hybrid environments, ensuring high availability and scalability.• Implemented system hardening best practices (SELinux, firewall rules, SSH key authentication), reducing security vulnerabilities by 35%.• Automated provisioning and configuration tasks with Bash and Ansible, cutting deployment time by 40% and reducing human error.• Optimized storage infrastructure using LVM, NAS, and SAN solutions; enhanced backup/recovery strategies to improve data reliability.• Administer virtualization environments (VMware ESXi, VirtualBox, KVM) supporting resource optimization and workload balancing.• Implemented proactive monitoring and alerting using Nagios and ServiceNow, enabling faster issue detection and minimizing downtime.• Led kernel patching, OS upgrades, and performance tuning projects that improved stability and reduced downtime.• Collaborated with cross-functional IT and security teams to enforce compliance with enterprise IT policies and regulatory standards.• Provided Tier-3 technical support and mentorship to junior administrators, strengthening team knowledge and performance.

Education

  • Lyc´ee Kipe

    Bachelor of Science - BS

    2011 — 2014

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Abdourahamane Barry — Linux System Administrator at Uber in Brooklyn, NY, US | Unifers