Lucky Usionya
System Administrator
Austin,TX
Summary
Accomplished Linux System Administrator with a proven track record at PureSpectrum, enhancing system efficiency and security through expert Linux server management and strategic automation. Skilled in Bash scripting and adept at fostering user satisfaction, I significantly reduced downtime and improved network resilience. My hands-on approach and proactive problem-solving ensure optimal system performance and reliability.
Overview
7
7
years of professional experience
1
1
year of post-secondary education
Work History
Linux System Administrator
PureSpectrum
New Orleans, Louisiana
07.2020 - 12.2023
- Improved system performance by optimizing Linux server configurations, implementing efficient backup processes, and performing regular maintenance tasks.
- Implemented monitoring tools for real-time analysis of system performance, allowing for proactive identification of potential issues before they impacted users.
- Provided hands-on support for end-users experiencing issues with Linux-based systems or applications, facilitating quick resolutions and minimal disruptions to productivity.
- Resolved complex technical issues promptly by leveraging strong troubleshooting skills and root cause analysis techniques.
- Managed version control using Git, including branching, merging, and tagging releases.
- Configured S3 buckets for scalable object storage and AWS IAM for access control.
- Automated deployments with Ansible, creating playbooks, roles, and templates for efficiency.
- Resolved domain names to IP addresses for network communication by setting up DNS servers.
- Maintained network and server security with Linux hardening, backups, and SSH.
- Rotated SSL certs within Linux systems to maintain secure communications with security standards.
- Developed scripts for automating routine tasks, reducing human error and increasing overall efficiency in the administration process.
- Ensured high availability of critical systems by proactively monitoring server health and addressing potential issues before they escalated.
- Reduced downtime during planned system upgrades, maintaining seamless user experiences through thorough testing and rollback planning.
- Enhanced network security by implementing firewall rules, intrusion detection systems, and fine-tuning access controls on Linux servers.
- Spearheaded migration projects between different Linux distributions or cloud platforms, ensuring minimal data loss or downtime during transitions.
IT Support Engineer
Carestream Health
Atlanta, GA
02.2017 - 10.2019
- Installed, configured, tested and maintained operating systems, application software, and system management tools.
- Improved IT system performance by implementing proactive maintenance processes and timely upgrades.
- Reduced downtime by quickly diagnosing and resolving hardware, software, and network issues.
- Increased user satisfaction through effective communication and timely resolution of support tickets.
- Managed inventory of computer equipment, standardizing hardware configurations for ease of maintenance and scalability.
- Supported company growth through strategic planning of IT infrastructure expansions aligned with organizational objectives.
- Configured hardware and granted system permissions to new employees.
- Installed, configured and maintained computer systems and network connections.
Education
Bachelor of Science - Computer Engineering Technology
University of Lagos
Lagos 02.2024 - 11.2024
Skills
Linux Server Management
User and Group Management
System monitoring
Web Server Administration
Package Management
Virtualization Technologies
Network configuration
Backup and recovery
Task automation
Hardware troubleshooting
SSL Certificate Management
Bash Scripting
Load Balancing
Patch management
Timeline
Bachelor of Science - Computer Engineering Technology
University of Lagos
02.2024 - 11.2024
Linux System Administrator
PureSpectrum
07.2020 - 12.2023
IT Support Engineer
Carestream Health
02.2017 - 10.2019