It Support Data Analytics

Daniel Tierney

Pensacola, FL

251-***-**** *******.***.*@*****.***

https://www.linkedin.com/in/tierneydaniel/

Summary

I am a data analytics and IT professional with a strong military background and proven success in leveraging data to drive efficiency and informed decision-making. Skilled in SQL, R, Tableau, Power BI, Excel, and Azure, I bring expertise in data cleaning, modeling, governance, and visualization. My career spans data analysis, IT support, and systems administration, where I have streamlined workflows, improved operational performance, and strengthened compliance with data standards. I have led cross-functional collaborations, trained users, and supported AI model development for smarter content management. With a focus on problem-solving, adaptability, and delivering measurable results, I excel at transforming complex data into actionable insights that advance organizational goals. Core Skills

● Data Analytics

● SQL

● R Programming

● Tableau

● Power BI

● Data Cleaning & Modeling

● Data Visualization

● Data Governance & Compliance

● AI & Machine Learning Support (Dataset

Annotation, Label Validation)

● IT Support & Systems Administration

● Process Improvement & Workflow Optimization

● Cross-Functional Collaboration

● Cybersecurity Awareness

● Database Management

● Microsoft Excel & Google Sheets

Professional Experience

Navy Federal Credit Union – Pensacola, FL

Data Specialist / Closer May 2024 – Present

● Enhanced content searchability by categorizing and tagging digital assets, improving accessibility for end users.

● Conducted comprehensive reviews of data and content for accuracy, ensuring compliance with governance standards.

● Developed taxonomy frameworks to improve retrieval efficiency and supported AI model training for content classification.

● Annotated datasets, validated AI outputs, and refined algorithms to improve precision in automated workflows.

● Streamlined labeling processes, cutting manual effort and raising operational efficiency.

● Coordinated mortgage closing operations: reviewed title and mortgage documents, cleared deficiencies, processed payoffs, and released closing packages.

● Ensured compliance with federal regulations and communicated directly with legal and real estate professionals. Hiller Fire – Mobile, AL

Data Analyst Helpdesk Technician II May 2023 – May 2024

● Delivered Tier II IT support, reducing resolution time and increasing customer satisfaction.

● Diagnosed and resolved hardware, software, and networking issues to minimize downtime.

● Installed, configured, and maintained IT systems, improving operational efficiency across the company.

● Streamlined user account administration, ensuring secure access management and efficient onboarding/offboarding.

● Collaborated with users to improve system usability, raising overall satisfaction and productivity. Acts Retirement Communities – Spanish Fort, AL

Information Technology Specialist Jun 2022 – May 2023

● Led IT projects including replacement of PCs, laptops, and networking equipment, boosting performance across the community.

● Delivered on-site support for staff and residents, improving uptime and user satisfaction.

● Provided technology training, increasing digital literacy among staff and residents.

● Conducted preventive maintenance on life safety systems, ensuring reliability and regulatory compliance. Medxcel – Pensacola, FL

HVAC Technician II Oct 2020 – Mar 2022

● Implemented preventive maintenance strategies, reducing equipment breakdowns and lowering operational costs.

● Responded to emergency situations, ensuring safety and continuity of operations.

● Advised leadership on long-term system improvements, generating significant cost savings. Metra Rail – Chicago, IL

Conductor Nov 2008 – Dec 2016

● Ensured commuter safety while overseeing train operations, schedules, and onboard systems.

● Directed crew operations in train yards, improving efficiency and safety.

● Maintained accurate records of revenue, schedules, and operational events. Education & Certifications

● Google IT Support Certificate Google

● Google Data Analytics Certification Google

● Google Cybersecurity Professional Google

● Cybersecurity Certificate Program Auburn University

● Enterprise System Administrator College of DuPage

● Computer Support Technician College of DuPage

● PC Technician College of DuPage

● IT Fundamentals CompTIA

● VMware VCA-DCA VMware

Technical Competencies

Languages: Python (working knowledge), R, SQL

Software: Microsoft Office 365, Tableau, Power BI, Google Sheets, Databricks, Azure Operating Systems: Windows, Linux

Database Management: SQL

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