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
Greece09-2026
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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