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Hi, I am Paraskevas Leivadaros

DevOps Engineer

As a Cloud Operations Administrator at DigitalOcean with a Computer Science degree and a Google Cloud Digital Leader Certification, I am keeping the cloud running smoothly

Professional Experience

Cloud Operations Administrator I

DigitalOcean · Full-time

May 2024 - Present
Amsterdam, North Holland, Netherlands · Remote

I ensure the smooth operation of our cloud infrastructure by monitoring and promptly responding to all cloud health issues that could impact customer experiences, both internal and external. Reporting to the Manager of Cloud Operations, I collaborate with teams across the organization to research and troubleshoot issues, from single droplets to cloud-wide disturbances. My day-to-day tasks include ensuring maximum uptime for DigitalOcean’s global infrastructure, automating processes, developing tools to enhance operational efficiency, and coordinating with various teams to address operational challenges and improve the platform with minimal user impact.

  • Go
  • Chef
  • Docker
  • Python
  • Terraform
  • Kubernetes

Implementation and Support System Engineer

Intracom Telecom · Full-time

Nov 2021 - Apr 2024
Paiania, Attiki, Greece · Hybrid

I specialize in the implementation and technical support of telecommunication services for both Greek and international telecom organizations. These systems are critical for serving millions of users. My role involves developing and maintaining applications for corporate mobile telephony clients, providing me with a comprehensive understanding of the complexities and needs of large-scale telecommunication networks. I have been involved in several ServiceWeaver™ microservices such as Bulk-SMS, Balance Inquiry, Internet Abroad, and Prepaid Orchestrator. In these projects, I am integral to every phase of their development and rollout.

  • Git
  • LSA
  • RHEL
  • SUSE
  • Bash
  • Java
  • MySQL
  • Linux
  • Debian
  • Python
  • SoapUI
  • Debian
  • Ubuntu
  • Docker
  • JMeter
  • CentOS
  • Ansible
  • Grafana
  • Postman
  • MongoDB
  • RabbitMQ
  • REST APIs
  • OpenStack
  • Prometheus
  • VMWare ESXi
  • GitLab CI/CD
  • Oracle Database
  • Security Hardening
  • Network Technologies
  • Spring Boot Microservices

System Analyst

Hellenic Army General Staff (KEPYES) · Full-time

Dec 2020 - Aug 2021 · 9 mos
Papagou-Cholargos, Attiki, Greece · On-site

I was responsible for performing troubleshooting of computer systems, hardware, and software. This involved identifying issues and providing timely solutions to ensure that systems were running optimally. I also gained expertise in resolving network problems, which included giving users clear instructions on how to perform tasks related to network maintenance and troubleshooting.

  • IT Operations
  • Network Monitoring

Digital Marketing Intern

Oh My Good Guide · Erasmus+ Internship

Feb 2020 - May 2020 · 4 mos
Málaga, Andalusia, Spain · Remote

I gained extensive experience in SEO techniques, social media management, and creative thinking. I was proficient in web management using WordPress and created engaging blog content. My experience with Google Analytics and Search Console honed my data analysis and problem-solving skills. Additionally, I managed client reviews and online travel agencies' systems, developing my communication and customer service abilities. Overall, I gained valuable skills in digital marketing and web management, as well as data analysis and client management that I can apply to future roles.

  • SE0
  • WordPress
  • Social Media
  • Data Analytics
  • Digital Marketing
  • Google Search Console
  • Google Universal Analytics

System Administrator

AUEB CSLab · Part-time

Oct 2017 - Feb 2019 · 1 yr 5 mos
Athens, Attiki, Greece · On-site

At the Computer Science Laboratories of the Athens University of Economics and Business, I was responsible for both systems monitoring and direct communication with end users

  • IT Operations
  • Active Directory

Academic Background

BSc in Computer Science

Athens University of Economics and Business

Sep 2015 - Jan 2021
Athens, Attiki, Greece

Databases and Knowledge Management
Operations Research and Economics of Information Technology

  • 240 ECTS (4-year degree)
  • Grade: 6.54 / 10 (Very Good)

Apolyterion of Secondary Education

Nea Penteli General Lyceum

Sep 2012 - May 2015
Penteli, Attiki, Greece

MUN Team
Nationwide (Panhellenic) University Entrance Examination Score: 16.102 / 20.000

  • Grade: 18.1 / 20 (Excellent)

Certifications

Cloud Digital Leader

Google Cloud Certified

April 2023

Certification ID: 9acd9e3a7a1940bb837df5f3bf1ca4dd

  • Series ID: 38661
  • Issue Date: 14 Apr 2023
  • Expiration Date: 12 Feb 2027
  • Data Analytics
  • Machine Learning
  • Cloud Architecture
  • Google Cloud Platform
  • Artificial Intelligence
Credential

IELTS Academic

British Council

February 2023

Listening: 8/9 · Reading: 9/9 · Writing: 6.5/9 · Speaking: 7/9

  • English
  • CEFR Level C1
  • Overall Band Score: 7.5 / 9

DELF B2

MENJS

January 2017

Listening: 12/25 · Reading: 22/25 · Writing: 20.5/25 · Speaking: 19.5/25

  • French
  • Grade: 74 / 100
  • Institut Français de Grèce

Projects

I have several projects that I am particularly proud of, and you can find more information and a complete list of them on my GitHub / GitLab pages 🚀



review radar data platform

An innovative, open-source solution designed to aggregate, process, and analyze vast amounts of review data from various online platforms

  • AR
  • OCR
  • BERT
  • NLTK
  • Python
  • NumPy
  • Pandas
  • Pyttsx3
  • Streamlit
  • LangChain
  • WordCloud
  • Pytesseract
  • SQLAlchemy
  • Transformers
  • ST Star Rating
  • BeautifulSoup4
  • OpenCV-Python
  • Jupyter Notebook
  • Flask-SQLAlchemy

theatrikiopa.eu

A website built on WordPress 6.4 hosted on an Debian GNU/Linux 11 Server on Google Cloud to serve the needs of the AUEB Drama Club

  • PHP 8.1.27
  • MySQL 8.0.36
  • Google Cloud
  • WordPress 6.4.3
  • Google Analytics 4
  • Debian GNU/Linux 11
  • Google Search Console

analyze image web app

A simple web application that allows users to upload an image and get a description of the contents of the image using the Azure Cognitive Services API

  • CSS
  • HTML
  • JSON
  • jQuery
  • REST APIs
  • Bootstrap
  • JavaScript
  • GitHub Pages
  • Microsoft Azure
  • Cognitive Services

spoonacular api web app

A simple web application that allows users to discover new recipes easily, powered by Spoonacular API

  • CSS
  • HTML
  • JavaScript
  • GitHub Pages
  • Spoonacular API

goneis-4gymagparaskevis.gr

A website built on WordPress 6.4 hosted on an Debian GNU/Linux 10 Server on Google Cloud to serve the needs of an association of parents

  • PHP 7.4.33
  • MySQL 5.7.40
  • Google Cloud
  • WordPress 6.4.3
  • Google Analytics 4
  • Debian GNU/Linux 10
  • Google Search Console

leivadaros.dev

A minimal website built with HTML, CSS and JS, hosted on GitHub Pages

  • CSS
  • HTML
  • JavaScript
  • GitHub Pages
  • GitHub Actions
  • Google Analytics 4
  • Google Search Console

leivadarou.com

A website built on Google Sites to showcase the portfolio of a lawyer

  • Google Sites
  • Google Analytics 4
  • Google Search Console

suzayn.com

A website built on Google Sites to showcase the portfolio of a professional photographer

  • Google Sites
  • Google Analytics 4
  • Google Search Console

mpapadopoulos.com

A website built on Google Sites to showcase the portfolio of a Logistics Manager working on Inventory Management in Supply Chain Management and Inventory Control in Warehouse Logistics

  • Google Sites
  • Google Analytics 4
  • Google Search Console

personal-blog

A personal blog website powered by Jekyll and AcademicPages where I share my thoughts, ideas, and experiences on computer science

  • Jekyll
  • GitHub Pages
  • AcademicPages
  • GitHub Actions
  • Minimal Mistakes

Volunteering

Citizen Scientist

Folding@home

Mar 2020 - Present
Health

I am running protein dynamics simulations on a Linux server to aid in developing therapeutics for various diseases. Folding@home is a distributed computing project that simulates protein folding and protein-protein interactions to help researchers develop new treatments for diseases like Alzheimer's, cancer, COVID-19, and autoimmune diseases. The project provides a better understanding of disease mechanisms, which could lead to the development of more effective treatments.

  • 305 work units
  • Ubuntu 22.04.4 LTS
  • 642,045 points earned
  • Rank 375,148 / 2,988,624 (top 12.55%)

Computational Volunteer

Berkeley Open Infrastructure for Network Computing

Sep 2019 - Present
Science and Technology

I am helping advance cutting-edge scientific research by participating in volunteer computing projects. These projects utilize the idle processing power of personal computers to perform large-scale scientific simulations and data analysis. The specific projects I am involved in focus on a range of scientific disciplines, including climate prediction, astrophysics, molecular biology, cryptography, and mathematics.

  • Ubuntu 20.04.6 LTS
  • 1,025,849 points earned
  • Rank 209,107 / 4,179,748 (top 5%)

Distributed Computing Volunteer

World Community Grid

Apr 2019 - Present
Health

Donating server resources to science projects like Help Stop TB, Africa Rainfall Project, Mapping Cancer Markers, Smash Childhood Cancer, OpenPandemics - COVID-19 and Microbiome Immunity Project!

  • 58d runtime
  • Ubuntu 20.04.6 LTS
  • 241 results returned
  • 198,348 points earned

Skills

  • Java
  • Linux
  • Python
  • Docker
  • Ansible
  • VMWare ESXi
  • Google Cloud
  • Microsoft Azure
  • System Hardening
  • Red Hat Enterprise Linux (RHEL)
  • Linux System Administration (LSA)

Contact

Hey there, I am glad you're interested in my projects! If you have any questions or just want to chat, feel free to reach out. I am always excited to hear about new opportunities, let's connect and have a friendly conversation!