System Administrator Linux

ABDOU R ABOUDOULAYE

Linux System Administrator

215-***-**** ***********@*****.*** Irving, TX 75061 PROFESSIONAL SUMMARY

Linux System Administrator with 6+ years of hands-on experience in managing, configuring, and maintaining Linux-based environments (RHEL, CentOS, Ubuntu). Skilled in system performance tuning, user and group management, patch management, access control, automation with shell scripting, configuration management. Proven track record of working in collaborative, Agile/DevOps teams to support scalable and secure infrastructures in both on-prem and cloud (AWS) environments. EXPERIENCE

Linux System Administrator, Bank of America, June 2022 - Present Newark, NJ

Administered Linux servers (Ubuntu and RHEL) in production and staging environments. Implemented security hardening policies using SELinux, Firewalld, fail2ban, and SSH key-based authentication.

Automated patching and system updates via YUM and APT repositories. Managed users, groups, permissions, and sudo access for compliance and team collaboration. Developed shell scripts to automate log rotation, system health checks, and backup procedures. Monitored server health and performance with Nagios and Grafana, reducing downtime. Collaborated with DevOps and Cloud teams to migrate legacy systems to AWS EC2 and improve availability.

Scheduled cron jobs and managed system services using systemd. System Administrator, DR Financial Services, March 2018 - June 2022 Houston, TX

Provided support for Linux-based systems across development and QA environments. Performed user and group management, permission troubleshooting, and file system maintenance. Created and managed LVM volumes and partitions to support dynamic storage requirements. Participated in patch management cycles using yum, apt, and internal mirrors. Documented SOPs and troubleshooting guides for knowledge base and training purposes. Assisted in setting up and maintaining NFS, DNS, and DHCP configurations in internal network environments.

Ensured system compliance with internal security policies and participated in vulnerability scans. SKILLS

Operating Systems: RHEL, CentOS, Ubuntu,

Amazon Linux

Scripting: Bash, Shell, Python

Monitoring: Nagios, Prometheus, Grafana Security: SELinux, Firewalld, SSH, TLS, sudoers, iptables

Package Management: YUM, APT, RPM, DPKG Permissions & Access: chown, chmod, ACLs, sudo, useradd/usermod

System Management: LVM, systemd, cron,

logrotate, journalctl

Networking: TCP/IP, DNS, NFS, DHCP, netstat,

ifconfig/ip, routing

Cloud: AWS (EC2, S3, IAM, VPC), Azure basics

REFERENCES

References available upon request

LANGUAGES

English, French, Spanish

Fluent

Contact this candidate