Lebaga Nuvala

Wylie

Summary

Experienced Systems Administrator with expertise in UNIX/Linux systems, AWS cloud infrastructure, and Python automation. Strong background in maintaining scalable, secure, and high-performance IT environments. Bachelor's degree in Computer Science/Information Technology (2019) with hands-on experience in cloud computing, scripting, and system optimization.

Overview

years of professional experience

Certification

Work History

System Administrator

ZGS Labs

Richardson

12.2021 - Current

Managed and maintained Linux/UNIX servers, ensuring 99.9% uptime for critical applications.
Automated routine tasks using Python and Bash scripts, reducing manual effort by 40%.
Deployed and managed AWS cloud infrastructure, optimizing costs by 25% through right-sizing instances.
Implemented Ansible playbooks for configuration management, ensuring consistency across 100+ servers.
Set up monitoring and alerts (CloudWatch, Nagios) to proactively resolve system issues.
Assisted in migrating on-premise workloads to AWS, improving scalability and reliability.

Junior System Administrator

Dolatech

Dallas

08.2019 - 11.2021

Provided tier-2/3 support for Linux-based systems, resolving complex technical issues.
Managed user access controls (IAM, LDAP, and sudo permissions) for security compliance.
Developed Python scripts to automate log analysis and report generation.
Assisted in backup and disaster recovery strategies using AWS S3 and Glacier.

Education

Bachelor of Science - Computer Science

University of Dallas

Irving, TX

05-2019

Skills

Operating Systems: Linux (RHEL, CentOS, Ubuntu), UNIX (Solaris, AIX)
Cloud & Virtualization: AWS (EC2, S3, Lambda, RDS, IAM, CloudFormation), Docker, VMware
Scripting & Automation: Python (Boto3, Bash, PowerShell)
Networking & Security: TCP/IP, DNS, VPN, Firewalls, SSH, IAM Policies

Monitoring & Logging: CloudWatch, Nagios, Splunk, ELK Stack
Configuration Management: Ansible, Puppet
Database Management: MySQL, PostgreSQL