Michalis Efstratiadis
Nicosia, CY
mike@efstratiadis.me
+357 96371664

With 18 years of experience in various industries, I have developed a strong track record of leading diverse teams. My passion for Linux, automation, and cybersecurity runs deep, and I take pride in organizing B-Sides Cyprus. My technical expertise revolves around problem-solving and process automation. I am committed to making a positive impact in all my pursuits and am eagerly looking forward to the opportunities that await.

Experience


Technical Operations Manager
February 2023
 — 
Present
OneNet Group

Promoted to Technical Operations Manager in 2023, responsible for the technical operations of the company.

  • Managing cross-functional teams of 25 persons across 3 countries.
  • Responsible for the delivery of IT services to 40000 users.
  • Leading the IT Service as a product and coming up with new innovations and automations for customers and their vessels.
IT Engineer
February 2019
 — 
Present
OneNet Group

Joined OneNet Group as an IT Enginner in 2019. OneNet Group is a leading provider of IT services to the maritime industry.

  • Automated the deployment and monitoring of Vessels' infrastructure using Ansible, Grafana and Prometheus.
  • Orchestrated the remote installation of the hardware and software on 650 vessels across all available timezones.
  • Successfully onboarded the company with the biggest fleet worldwide in 18 months during the COVID-19 pandemic.
IT Engineer
June 2012
 — 
Present
Antenna LTD

Antenna LTD is the biggest media company in Cyprus.

  • Managed the IT infrastructure of the company.
  • Migrated the company's infrastructure to a virtualized environment.
  • Deployed a new monitoring system for the company's infrastructure.
  • Expanded the company's video offering with akamai CDN.
IT Engineer
June 2009
 — 
Present
Hive Networks

Co-founded Hive Networks, a Greek startup that provided IT services to Internet Cafes and e-sports events. Managed the product, technical team and customer relations.

  • Managed the IT infrastructure of the company.
  • Migrated the company's infrastructure to a virtualized environment.
  • Deployed a new monitoring system for the company's infrastructure.
  • Expanded the company's video offering with akamai CDN.

Education


TEI of Piraeus
September 2002
 — 
August 2008
Bachelors in Automation Engineer (incomplete)

Certificates


WatchGuard Network Security
September 2021
WatchGuard
Microsoft Certified: Endpoint Administrator Associate
February 2020
Microsoft

Publications


Awards


Volunteer


Organizer
June 2023
 — 
Present
B-Sides Cyprus

As a cybersecurity enthusiast, I wanted to give back to the community. B-Sides is a community-driven framework for building events for and by information security community members. It is an intense event with discussions, demos, and interaction from participants

  • Organized the B-Sides Cyprus event in 2023.
  • Coordinated the CTF event and CTF environment.

Languages


Greek:
Native Speaker
English:
Professional Fluency

Skills


Infrastructure:
Infrastructure Automation, Linux, Ansible, Grafana, Prometheus, Terraform, KVM, Proxmox, Network Administration
Scripting:
Bash, Python, Powershell
Interpersonal Skills:
Team Management, Project Management, Relationship Management

Interests


Running:
Aspiring Marathoner
Books:
Reading
Open Source:
All of it

References