Resume

🦈 CloudOps Engineer @DigitalOcean | 🎓 MSc Data Science @UvA | BSc Computer Science @AUEB | ☁️ 2xAWS, 2xGCP

Amsterdam, North Holland, Netherlands

Professional Experience

Cloud Operations Administrator I @DigitalOcean

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.

Primary Responsibilities:

• Incident Management
• Escalation Management
• Ensuring Customer Uptime
• Maintenance (Scheduled/Emergency)
• Documentation, OPS Syncs, OAR process

System Engineer @Intracom Telecom

November 2021 - April 2024 (Paiania, Attiki, Greece · Hybrid)

I specialized 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 involved 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 was involved in several ServiceWeaver™ microservices such as Bulk-SMS, Balance Inquiry, Internet Abroad, and Prepaid Orchestrator. In these projects, I was integral to every phase of their development and rollout.

My technical expertise spanned numerous tools and technologies:

• Git, GitLab CI/CD
• Containerization: Docker
• Programming: Bash, Python
• Infrastructure Automation: Ansible
• Operating Systems: Linux, especially Red Hat Enterprise Linux

Additionally, I had hands-on experience with SUSE, Oracle, Debian, MySQL, Ubuntu, SoapUI, JMeter, CentOS, Grafana, Postman, MongoDB, RabbitMQ, REST APIs, OpenStack, Prometheus, VMWare ESXi, Security Hardening, Network Technologies, Spring Boot Microservices

System Analyst @ Hellenic Army General Staff (KEPYES)

December 2020 - August 2021 (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.

Digital Marketing Intern @Oh My Good Guide

February 2020 - May 2020 (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.

System Administrator @AUEB CSLabs

October 2017 - February 2019 (Athens, Attiki, Greece · On-site)

At the AUEB Computer Science Laboratories, I was responsible for both systems monitoring and direct communication with end users.

The mission of the AUEB CSLab is to support the Department’s educational work and in particular its specialized needs that cannot be effectively met by the Computer Center. It covers exclusively the needs of the Department of Informatics, where tutorials and course labs take place. Software infrastructure (programming environments, databases, network simulators) enables tasks and studies to be performed on different subjects depending on the needs of each course. In this context, the laboratory participates in MSDNAA (Microsoft Software Developers Network Academic Alliance), and also supports the development of applications using Open Source Software such as PHP, MySQL.

Academic Background

MSc in Data Science (Information Studies) @UvA

September 2024 - August 2025

60 ECTS (1-year degree), Grade: 7.20/10 (Good)

The Data Science Master’s programme has been developed in collaboration with Amsterdam Data Science (ADS), and is designed for students to become all-round data scientists who know how to go through all the steps in a data-driven project; from how to approach a business or societal problem from a data-analytical perspective (asking the right questions) to the final implementation of data science solutions, while also understanding the organisational and social implications these solutions may have.

BSc in Computer Science @AUEB

September 2015 - January 2021

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

Streams of Studies:

• Databases and Knowledge Management
• Operations Research and Economics of Information Technology

Apply suitable, scientifically sound algorithmic, mathematical, & scientific processes & methods in order to solve problems arising in Informatics. Analyze & compare alternative ways of handling scientific or technical problems. Solve problems requiring specialized technical knowledge in the areas of Databases & Knowledge Management and Operations Research & Economics of Information Technology. Function effectively as members of teams working towards the analysis, design and implementation of IT projects.

Understand the broader applications of Computer Science in other disciplines studied in AUEB (Administration, Economics, Accounting, Statistics, Marketing & Communication, etc.). Understand the social, ethical & cultural implications stemming from computer technology & its widespread use. Understand the current open scientific, technological, & research issues of Information Technology & be able to partake in the ongoing scientific research addressing them.

Apolytirion of Secondary Education @ Nea Penteli General Lyceum

September 2012 - May 2015

Grade: 18.1/20 (Excellent)

Nationwide University Entrance Examination Score: 16.102/20.000

Licenses & Certifications

☁ AWS Certified AI Practitioner (August 2024 - August 2027)
☁ AWS Certified Cloud Practitioner (August 2024 - August 2027)
☁ Google Cloud Certified Cloud Digital Leader (April 2023 - February 2027)
☁ Google Cloud Certified Generative AI Leader (July 2025 - July 2028)

Projects

paraskevasleivadaros.github.io (March 2023 - Present)

• A personal website built with React and Docusaurus where I share my thoughts, ideas, and experiences on computer science

theatrikiopa.vercel.app (May 2017 - Present)

• A website built with React and Docusaurus to serve the needs of the AUEB Drama Club

ARcheos AR/AI App (March 2024 - December 2024)

• An innovative mobile application that combines artificial intelligence (AI), augmented reality (AR) with location awareness (VPS), and natural language understanding (NLU) with the richness of ancient philosophy, offering users an immersive and educational experience

ethelontoume.gr (November 2024)

• A website built with React and Docusaurus to serve the needs of the Ethelontoume Organization

Review Radar Data Platform (February 2024)

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

suzayn.com (February 2023)

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

goneis-4gymagparaskevis.gr (November 2022)

• A website built on WordPress 6.8 hosted on an Ubuntu 22.04.4 LTS server on DigitalOcean to serve the needs of an association of parents

leivadarou.com (August 2021)

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

Skills

Multi Cloud Engineer (2xAWS, 2xGCP), Linux and Python

Honors & awards

2nd Place at Apps4Athens Hackathon (March 2024)

ARcheos is an innovative AR/AI application that offers users a unique journey through Athens’ rich philosophical heritage. In a fiercely competitive field of 200 contestants, we secured 2nd place at the esteemed Apps4Athens hackathon, a testament to the app’s ingenuity and the team’s hard work.

Designed to bring history to life, ARcheos immerses users in the ancient streets of Athens, where they can engage in meaningful, AI-enhanced conversations with legendary figures such as Socrates and Aristotle. This app not only highlights Athens’ historical significance but also showcases the potential of combining advanced technology with cultural education, offering a new way to experience and learn from the past.

Languages

English - Full professional proficiency (ECPE C2, IELTS Academic C1)
French - Limited working proficiency (DELF B2)
Greek - Native

Organizations

UvA International Student Ambassadors (November 2024 - September 2025)
UvA Information Studies Education Committee (September 2024 - August 2025)
AUEB Drama Club (May 2017 - May 2023)
AUEB Venus Forum (Nov 2018 - Nov 2021)

Conferences & Workshops

AI Hackathon Greece (16-18 February 2024)

• Review Radar Data Platform

Google DevFest Athens 2023 (16 December 2023)

• Data Science and Machine Learning for Weather and Climate Workshop

Athens InfoLaw Conference: Law, Internet and Social Media (03 May 2019)

• Private Data Workshop

TEDxAUEB: arctos (17 March 2018)