Summary
Overview
Work History
Education
Skills
Certification
Accomplishments
LANGUAGES
Timeline
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NIKOLAOS CHALIMOURDAS

Porto Rafti,I

Summary

Aspiring Cybersecurity Analyst with strong foundations in mathematics, proven discipline through academic and athletic excellence, and growing expertise in Python, SQL, Linux, and cybersecurity tools. Recently completed military service and approaching completion of a B.Sc. in Mathematics. Highly motivated to begin a career in cybersecurity.

Overview

5
5
years of professional experience
1
1
Certification

Work History

Private Math Tutor

Self-employed
09.2020 - 06.2024

Built and maintained a clientele of 20+ students. Prepared candidates for Panhellenic and university exams. Developed strong communication and teaching skills.

Military Service

ELDYK
09.2024 - 06.2025

Completed mandatory service with distinction as First Sergeant. Managed administrative tasks, reporting, archiving, and Excel-based automation.

Restaurant Waiter (Seasonal)

Kazba Bar Kouzina
05.2022 - 08.2024

Education

BSc in Mathematics

National And Kapodistrian University of Athens
Greece
09-2026

Skills

  • Languages & Systems: Python, Matlab, SQL, Linux/Ubuntu, Windows
  • Cybersecurity: Networking basics, familiarity with SOC concepts
  • Tools: Git, GitHub, GitHub Co-Pilot, Cursor, LLMs, Microsoft Office, Excel, WordPress, HTML/CSS
  • Soft Skills: Fast learning, Adaptiveness, Attention to Detail, Problem Solving, Discipline, Responsibility, Teamwork, Communication

Certification

  • Google Cybersecurity Certificate (SOC, SIEM, Network Security, Threats etc.)
  • PCEP™: Certified Entry-Level Python Programmer
  • Udemy: 100 Days of Code – Python Pro Bootcamp
  • Udemy: The Complete SQL Bootcamp: Go from Zero to Hero

Accomplishments

ACADEMIC:

  • Full academic scholarship at Doukas School (2017)
  • Panhellenic Exams (2020): 18.4/20 Mathematics, 20/20 Physics
  • High School Diploma: 19.8/20
  • 1st Place in the Mathematics Games by the Hellenic Educational Society (2018) and 2nd Place in the Mathematical Riddles and Logic Contest by Antonopoulos Schools (2019) as part of the Doukas Math Club.
  • Success in the 'THALES' competition by the Hellenic Mathematical Society and qualification for the 'EUKLEIDIS' round (2019 & 2020)

ATHLETIC:

  • 2nd Place – National Men's Kickboxing Championship -75kg (2024, Greece)
  • Drafted to Greek National Youth Basketball Team (2018)
  • Selected for ESKA regional training teams (2014, 2015, 2016 & 2017)
  • 3rd place in the A' Division ESKA Championship with Doukas youth team (2018)
  • 2nd place in the ESKA Championship with the pre-mini team of AO Markopoulou (2014)

LANGUAGES

English - C2 (Michigan ECPE)

Greek - Native Speaker

Timeline

Military Service

ELDYK
09.2024 - 06.2025

Restaurant Waiter (Seasonal)

Kazba Bar Kouzina
05.2022 - 08.2024

Private Math Tutor

Self-employed
09.2020 - 06.2024

BSc in Mathematics

National And Kapodistrian University of Athens

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NIKOLAOS CHALIMOURDAS