Oleksandr Luzin

01. About Me

Experienced CompTIA A+ certified IT Administrator with a proven track record at a company that ranks as the world's leading producer of sunflower oil. I bring extensive knowledge of ITIL/AGILE methodologies, Node-Red, and customer support, with expertise in managing PostgreSQL, MySQL, and MS SQL databases, as well as administering Linux, macOS, and Windows environments.

I have successfully led projects that improved infrastructure stability and efficiency, such as automating Linux servers and developing a centralized grain temperature monitoring system. Recognized for implementing innovative solutions, including a service failure survey system and integrating laboratory equipment to reduce security risks.

8+

Years of IT Experience

99.95%

System Uptime Achieved

60%

Infrastructure Cost Reduction

2

Master's Degrees

02. Skills

ITIL / AGILE

Service management frameworks and agile project delivery methodologies

Node-Red

Flow-based automation, IoT integration, and system orchestration

Customer Support

End-user training, troubleshooting, MS Teams & Zoom administration

PostgreSQL / MySQL / MS SQL

Database administration, management, and optimization

Linux / macOS / Windows

Multi-platform systems administration and server management

Leadership

Project management, team coordination, and initiative-driven improvements

03. Experience

04/2025 — Present

HelpDesk Engineer

Trinetix · Nashville, TN · Hybrid

Orchestrate seamless IT onboarding for new employees, ensuring day-one readiness with fully configured workstations, accounts, and access permissions.
Designed and deployed the office local area network infrastructure from the ground up, delivering reliable high-speed connectivity across the headquarters.
Manage and continuously harden network security configurations for the central office, implementing firewall rules, VLANs, and access control policies to safeguard corporate assets.
Serve as the primary point of contact for end-user technical support, resolving hardware, software, and connectivity issues to minimize downtime and maximize productivity.
Lead the evaluation and procurement of IT equipment, conducting vendor assessments and cost-benefit analyses to ensure optimal technology investments aligned with business needs.

06/2022 — 09/2023

Head of Research And Development Group

Kernel Holding · Chornomorsk, Ukraine · Hybrid

Directed the replacement of Raspberry Pi's with centralized automated Linux servers, reducing infrastructure costs by 60% and improving system uptime to 99.95%; implemented Disaster Recovery for rapid local server restoration, ensuring automatic cloud infrastructure activation in the event of local server failure.
Led the development and implementation of a user survey system for service failures, automatically forwarding support requests to responsible specialists.
Led a team of 4 engineers in the execution of manufacturing automation projects.

Promoted from Information System Administrator

05/2019 — 06/2022

Information System Administrator

Kernel Holding · Chornomorsk, Ukraine · On-site

Led the development and implementation of a centralized grain temperature monitoring system, enabling real-time visibility and immediate response to deviations for all relevant employees.
Containerized automation systems to enhance the security and manageability of automation services.
Developed a system integrating laboratory and weighing equipment into the accounting system using PHP, C#, Node-RED, and protocols like FTP, HTTP, and Modbus, reducing security risks and product theft, and received the "Increasing Efficiency" diploma at the company's internal conference.
Initiated and developed a notification system for upcoming employee birthdays under the "I have an idea" program, enhancing visibility on information displays.

Promoted from CCTV Technician

09/2018 — 05/2019

CCTV Technician

Kernel Holding · Chornomorsk, Ukraine · On-site

Successfully led network equipment upgrades, reducing latency and enhancing user experience for CCTV camera operations.
Led the replacement of the server room cooling system, significantly improving the stability of the video surveillance system.

Promoted to Information System Administrator

09/2017 — 04/2025

IT System Administrator

NDA · Contract

Achieved cost savings of $7,000 annually for clients by transitioning mail services from GSuite and Microsoft 365 to local mail servers.
Enhanced client conversion rates by 13% through the development and integration of an external AI service for websites using the ChatGPT API.
Implemented an efficient inventory system with tags, resulting in accurate records of employee equipment and a reduction in lost devices.