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Proven Performance

Supporting Critical Infrastructure. Building the Future of IT.

Nearly four years of experience supporting financial centers by troubleshooting enterprise hardware, resolving infrastructure incidents, and maintaining secure Windows environments under strict service-level agreements.

Career Path

Professional Progression

Diebold Nixdorf

Field Service Technician

Chicago, IL

Sep 2025 — Present

•Installed, configured, and maintained ATMs, retail equipment, and enterprise hardware in customer environments

•Diagnosed and resolved hardware, software, and network-related issues using troubleshooting and diagnostic tools

• Performed component-level repairs, preventive maintenance, software installations, and equipment upgrades.

•Managed incident tickets, documented service activities, and communicated status updates to customers and dispatch teams.

• Managed inventory of service parts and tools to support efficient field operations.


HTX Services LLC

IT Infrastructure Support Technician

Chicago, IL

August 2022 - September 2025


• Supported financial centers and back-office staff by installing and troubleshooting enterprise hardware and software

• Supported server room equipment and infrastructure modifications across multiple client locations.

• Managed Level 1 and Level 2 incidents through enterprise ticketing systems while meeting service-level agreements.


Amazon Fulfillment Center

Process Assistant

Matteson IL

November 2019 - August 2022


• Support operations leaders and associates in fulfillment centers, ensuring smooth operations by assisting with production tasks, managing daily duties, and maintaining a safe and organized environment.

• Helping teams troubleshoot issues and offer alternative solutions.

• Preparing and implementing training and development plans for associates.


Close-up of organized enterprise server racks, clean blue ethernet cabling, cool blue professional lighting, sharp focus.
Close-up of organized enterprise server racks, clean blue ethernet cabling, cool blue professional lighting, sharp focus.
System Metrics

Quantifiable Operational Impact

I believe every ticket is an opportunity to improve systems and prevent future issues. My work is built on disciplined troubleshooting, preventative maintenance, and delivering reliable infrastructure support under strict service-level expectations.

89.9%

SLA compliance rate

10.000+

resolved incidents

Contact Linh

Ready to optimize your infrastructure?

Let's discuss how my hands-on systems administration, Active Directory management, and field engineering experience can support your team's operational resilience and infrastructure goals.