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Anna LozenkoAL
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Anna Lozenko

@annalozenko

Network operations analyst at Gas Networks Ireland improving gas demand forecasts and billing accuracy.

Ireland
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At Gas Networks Ireland, I improved weather-based demand forecasting accuracy by 15% for Residential and I&C sectors through consumption analysis and exploratory modeling in Python and R.

I also redesigned calorific value zones using spatial and flow analysis, increasing billing accuracy by 17%. I build Power BI dashboards and Fabric analytics workflows and deliver daily national gas demand forecasts.

Previously, I automated Azure monitoring and administrative tasks at Córas Iompair Éireann (CIÉ), and developed data pipelines and machine-learning models as a Graduate Researcher at Maynooth University. My academic projects include an automated financial data pipeline and a Flask-based inventory and analytics platform.

Experience

Work history, roles, and key accomplishments

Gas Networks Ireland logoGI
Current

Analyst in Network Operations & Forecasting Analytics

Gas Networks Ireland

Oct 2025 - Present (1 year)

Boosted weather-based demand forecasting model accuracy by 15% for Residential and I&C sectors through historical consumption analysis and exploratory data modeling in Python and R. Increased billing accuracy by 17% by conducting spatial and flow analysis on regional consumption data, redesigning calorific value zones to eliminate underbilling and drive long-term cost efficiency.

CC

IT Service Desk Analyst

Córas Iompair Éireann (CIÉ)

Jun 2025 - Oct 2025 (4 months)

Boosted operational efficiency by 30% by engineering Python scripts to automate Azure resource monitoring and routine administrative tasks. Architected an n8n AI agentic workflow to automate identity verification and credential resets, significantly reducing manual ticket volume.

Maynooth University logoMU

Graduate Researcher in Bioinformatics and Computational Biology

Maynooth University

Oct 2023 - Oct 2024 (1 year)

Architected automated data pipelines and optimized SQL schemas in Python and Bash to ingest, clean, and efficiently query multi-gigabyte biological datasets. Trained ML classification models (scikit-learn) and executed differential statistical modelling in R to extract actionable insights from high-dimensional genomic features.

Education

Degrees, certifications, and relevant coursework

Atlantic Technological University logoAU

Atlantic Technological University

Higher Diploma in Computing, Data Analytics

2025 -

Grade: First Class Honours (1.1)

Pursuing a Higher Diploma in Computing in Data Analytics with an expected graduation in March 2027.

IBM logoIB

IBM

Artificial Intelligence Fundamentals, Artificial Intelligence

2026 - 2026

Completed the Artificial Intelligence Fundamentals certification from IBM in 2026.

ICDL logoIC

ICDL

Cloud Computing, Cloud Computing

2025 - 2025

Completed the Cloud Computing certification from ICDL in 2025.

University of Milan logoUM

University of Milan

Master of Science, Molecular Biotechnology and Bioinformatics

2021 - 2024

Grade: First Class Honours (1.1)

Completed a Master of Science in Molecular Biotechnology and Bioinformatics with First Class Honours.

University of Milan logoUM

University of Milan

Bachelor of Science, Medical Biotechnology

2016 - 2020

Grade: First Class Honours (1.1)

Completed a Bachelor of Science in Medical Biotechnology with First Class Honours.

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