IT Systems Administrator Specialist
Resume:
HAROLD D. GARNER
IT Systems Administrator
Active Public Trust
Nashville, TN
**********@*****.***
linkedin.com/in/harold-g-357923121
github.com/MugenZeta
SUMMARY
IT systems administrator supporting a VA medical facility of 600+ users, with an active Public Trust and hands-on experience across VistA and VA clinical systems, Active Directory and Entra ID, Microsoft Azure, Microsoft 365, SCCM, and ServiceNow. Background combines enterprise endpoint and infrastructure administration with full-stack software development in Java, C#/.NET, Angular, and Python — an unusual pairing that supports automation, scripting, and systems integration work alongside traditional sysadmin duties. Consistently trusted with facility-wide deployment projects and technician onboarding.
CLEARANCE & CERTIFICATIONS
Clearance: Public Trust (Department of Veterans Affairs) — Active
•Google IT Automation with Python Specialization — ID UCK8Y5F5KL37
•Configuration Management and the Cloud — ID JT7RK5TH2GWW
•Using Python to Interact with the Operating System — ID C3Q8V77XGXWV
•Troubleshooting and Debugging Techniques — ID 9U7HG3CKLMX3
•Introduction to Git and GitHub — ID SYTWTT78CXUH
•Crash Course on Python — ID PPYWHPKN4XRP
•FastTrack Full-Stack Software Development Program, Cook Systems — ID 59341390
TECHNICAL SKILLS
Healthcare & Federal IT: VistA, VAULT, DBAT, Citrix, specialty medical software, VA security compliance and policy remediation
Systems & Endpoint Management: Active Directory, Group Policy (GPMC), SCCM, BigFix, Software Center, Windows Deployment Services, imaging and provisioning, virtualization, Windows Server, Linux Server
Cloud & Identity: Microsoft Azure, Microsoft Entra ID, Microsoft 365, CyberArk, Google Cloud Platform, Kubernetes Engine, Cloud Run, Cloud Functions, Firebase
Automation & Development: PowerShell, Python, Bash, Java, C#/.NET, Angular, TypeScript, JavaScript, SQL/MySQL, Git, GitHub, GitLab, Datadog, Kibana, JIRA
Service Management & Support: ServiceNow, remote desktop administration, VOIP and Cisco Jabber configuration, hardware repair, Windows, macOS, Linux, iOS
PROFESSIONAL EXPERIENCE
Kentro — IT Systems Administrator Nov 2024 – Present
Contract support to U.S. Department of Veterans Affairs — VA Nashville / ESOM Southeast
•Administer endpoint, server, and application support for 600+ clinical and administrative users at a VA medical facility, sustaining service-level metrics above 95%.
•Maintain systems in compliance with VA security policy through scheduled patching, security updates, and configuration remediation.
•Manage user accounts, group policy, and privileged access using Active Directory, Microsoft Entra ID, and CyberArk, using PowerShell for routine administration and bulk changes.
•Support 200+ hardware and software applications, including VistA, VA clinical systems, and Microsoft 365, sustaining continuous uptime across the device fleet.
•Deploy and configure 100+ endpoint devices across 12+ projects covering imaging, security auditing, and facility-wide placement.
•Rebuilt imaging and refurbishment workflows, increasing refurbishment throughput by approximately 60%.
•Onboarded and trained 8 new technicians on facility systems, ticketing standards, and escalation procedures.
Take2 Consulting, LLC — IT Systems Administrator Apr 2024 – Nov 2024
Contract support to U.S. Department of Veterans Affairs — ESOM EUO
•Supported 600+ onsite and remote users across hardware, software, and network issues, improving ServiceNow ticket closure speed by 40%.
•Led 8+ device replacement and refresh projects from planning through execution.
•Recovered and reallocated unused facility IT assets, measurably improving onsite readiness.
•Worked daily in VistA, DBAT, VAULT, Microsoft Azure, and Cisco environments.
Cook Systems — Full Stack Developer (Contract) Jan 2023 – Aug 2023
Client: LKQ North America — Antioch, TN / Hybrid
•Developed and maintained backend services and Angular front-end components for warehouse operations applications.
•Monitored pre- and post-production releases using Datadog and Kibana, resolving 70+ launch issues and reducing recurring ticket volume.
•Partnered with cross-functional developer teams to meet production release deadlines.
•Documented application processes to streamline developer onboarding.
Stack: C#, .NET 6, Angular, TypeScript, JavaScript, SQL/MySQL, Git, JIRA
Freelance IT Services — Owner / Operator 2018 – 2024
Greater Memphis and Nashville, TN
•Built and ran a freelance computer repair and IT services practice serving 100+ residential and small-business clients.
•Diagnosed and resolved hardware, software, network, operating system, and server issues; built custom systems to client specification.
•Ran all business operations: scheduling, parts procurement, inventory, invoicing, and client communication.
Right Tech — Computer Repair & IT Services Technician (Apprenticeship) Jan 2020 – Jul 2021
Memphis, TN
•Diagnosed, repaired, upgraded, and configured desktop systems, network components, and peripherals.
•Performed OS installation, data recovery and backup for Mac and PC, and malware remediation.
•Provided end-user technical support and documented all maintenance and repair work performed.
SRVS — Direct Support Professional Mar 2018 – Dec 2022
Memphis, TN
•Provided direct care and medical monitoring for 20+ clients with intellectual and developmental disabilities in a HIPAA-regulated setting.
•Documented services delivered and reported condition changes to administrators and supervisors.
Code With Us — Software Programming Instructor (K-12) Oct 2022 – Dec 2022
Shelby County Schools — Remote
•Taught programming fundamentals to 90+ students using Python, JavaScript, Scratch, and Unity.
EDUCATION & TRAINING
Google Cloud Career Training — Remote Jun 2021 – Jun 2022
•Google Cloud Platform, Kubernetes Engine, Cloud Run, Cloud Functions, App Engine, and Cloud APIs; storage and databases using MySQL and Firebase.
•Served as lead developer on two applications, including a journaling web app and a phone book application.
FastTrack Full Stack Java Program — Cook Systems, Memphis, TN Jul 2022 – Oct 2022
IT Automation with Python — Goodwill Industries of Middle TN 2022
IT Support Bootcamp Certificate — Generations 2021
High School Diploma — Bolton High School, Arlington, TN 2017
VOLUNTEER & COMMUNITY
GiveCamp Memphis — Volunteer Developer 2019 & 2022
•Collaborated with developer teams to build software for nonprofit organizations in the greater Memphis area.
Memphis Business Academy — Volunteer Computer Science Instructor (K-12) 2021
•Taught after-school introduction to programming and game development.
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