LEONEL MIGUELES
Systems Administrator
E 305 504-9964
e Miami
q linkedin.com/in/leonel-migueles/
SUMMARY
Dedicated professional with a strong background in developing secure solutions and automating processes to streamline operations that
propel organizational achievement. Successfully managed user accounts, passwords, user privileges, and access controls while documenting all operations, leading to a decrease in IT technical support tickets. Recognized for consistently exceeding expectations to deliver favorable results.
EDUCATION
Bachelor of Science in Information Technology
Florida International University
08/2018 - 03/2022
EXPERIENCE
System Administrator
ChenMed
04/2022 Present Miami
Developed a Jenkins-integrated PowerShell script for Active
Directory, enabling automated email provisioning for weekly new hires across four distinct domains. Reduced manual effort,
minimized errors, and significantly boosting onboarding efficiency by 60%.
Implemented Python automation for the Okta applications portal, leveraging in-house and Okta APIs. Customized user access based on job titles, resulting in a precise and secure Single Sign-On (SSO) experience. Achieved a 40% reduction in access provisioning time, optimizing user entitlements, and enhancing organizational security posture.
Automated BitLocker recovery key rotation on enterprise endpoints. The script generates new recovery keys, securely backs them up to Active Directory, and removes outdated keys while preserving the TPM protecto, improving security and ensured compliance.
Developed a PowerShell script to improve battery health tracking on Windows devices by collecting battery data beyond Ivanti's default inventory capabilities. The script calculates battery health and stores the results in registry keys to integrate with Ivanti
CERTIFICATION
LPIC-1
AWS Cloud Practitioner
SKILLS
TECHNOLOGIES
Active Directory AWS
Office 365 Windows 10/11/Server Linux SolarWinds New Relic Jenkins Git Confluence
ServiceNow Ivanti Neurons
Okta Zscaler
inventory scans. This solution provides enhanced visibility into
battery performance across the device fleet, enabling proactive
maintenance and lifecycle planning.
Built a script to collect Chrome browsing history from endpoint devices and securely retrieve it via CrowdStrike Falcon Sensor. The script automates data extraction, exporting key details like URL, timestamp, and duration to a structured CSV format, enhancing endpoint activity tracking and analysis..
Powershell Python Bash
Service Desk Technician
Consistently recognized as the foremost ticket resolver in the IT department, consistently handling and closing 80 100 tickets weekly. Instrumental in achieving a 22% closure rate overall.
Crafted several comprehensive IT documentation, including troubleshooting guides and Standard Operating Procedures (SOPs). Leveraging Confluence, a remote-friendly team space, to develop and maintain detailed documentation.