Andreas Tsantes
Athens
Work Preference
Summary
Results-driven Network Engineer with more than 5 years of expertise deploying and maintaining LAN and WAN infrastructure. Dedicated technology professional with strong track record of accurately conducting IT system repairs and troubleshooting. Offering exemplary planning, project management and communication talents.
Overview
1
1
Certification
14
14
years of professional experience
Work History
Network & Systems Engineer
Estarta
Athens, Greece
01.2025 - 07.2026
- Being Part of Virtual Internetworking Support Engineers Team , assisting in 1000+ appointments related to Cisco Servers and Network Devices repair and interconnecting customers and Field Engineers around the Globe.
- Led cross-functional teams to assess engineering solutions and improve project outcomes related to hardware replacements.
- Developed technical documentation about replacements (RMA orders) execution and specifications for engineering projects, ensuring compliance with industry standards.
- Mentored junior and senior field engineers, fostering skill development and optimizing team performance.
Network Engineer (Tier 2)
Estarta
Athens, Greece
06.2024 - 12.2024
- Hardware and software troubleshooting on network devices of associated Tier 2 companies as a member of Cisco's T.A.C. & group of engineers
- Collaborated with cross-functional teams to develop strategies for network upgrades and technology integrations though assisting in over 600 Service Requests for RMA authorization related to network infrastructures , 10/10 score at received CSATs.
Information Technology Help Desk Engineer
Space Hellas
Athens, Greece
12.2021 - 03.2024
- 1st Level Systems Support through JIRA ticketing system & I.M.A.C. engineering over Microsoft Active Directory Domain Services & Azure Active Directory hybrid systems for over 1200 personnel provided user support in over 2120 cases of software/ hardware malfunctions with an average score of 4.8/5 in Help Desk tickets.
- Sustained collaboration between Space Hellas and Cepal in joint domain infrastructure efforts while providing technical support for hardware and software issues, ensuring user inquiries are addressed promptly.
- Diagnosed and troubleshot network connectivity problems, enhancing system uptime and reliability.
Computer Department Assistant Engineer
National Army's Pension Fund
Athens, Greece
12.2020 - 04.2021
- I worked as technician of Pension's Computer Department supervising I.T. hardware & software to ensure proper operation & reporting malfunctions to department's manager.
ADSL/VDSL-based Telephony Check & Malfunctions Tech Engineer
T-Mobile (former OTE)
Piraeus, Greece
02.2015 - 07.2015
- Contributed to maintenance of PSTN, ISDN, and VoIP connections for Ag. Rentis, Piraeus, and Nikaia. Aided field technicians in addressing service interruptions and technical challenges. Engaged with engineering group to enhance reliability of telephone line services. Participated in installation and upkeep of essential telecommunications systems.
- Implemented preventive maintenance schedules, reducing downtime and improving reliability.
Laboratory Assistant as Volunteer Engineer
University of Thessaly (Former T.E.I. Lamias)
Lamia, Greece
09.2012 - 05.2013
- Executed tactical schedule maintenance on computer laboratory equipment to ensure full operational capacity
- Conducted routine laboratory tests, ensuring compliance with safety and quality standards.
Education
Master of Science - Electronics Engineer
University of Thessaly
Lamia, Greece11-2016
Bachelor of Science - Electronics Engineer
University of Thessaly
Lamia, Greece11-2016
High School Diploma -
I.E.K. ALFA
Athens, Greece10-2025
Skills
Technical Support
Hardware Support
Critical thinking & problem solving
Collaboration
Information Technology
Telepresence
Logistics
Fast Learner
Communication Skills
Ability to Work in a Team
Customer Service
RNA
Operating Systems
Ability to Work Under Pressure
Operations
Time Management
Microsoft Office
Telecommunications
Network Engineering
Proposal Writing
Unity development
Network Troubleshooting
Python
Network Support
Network Administration
MySQL
RESTful Services
Programming in Android Studio
Languages
Greek
English
French
Italian
German
Interests
- Volleyball
- Music
- Reading
- Gardening
- Swimming
- Dance
- Video Gaming
- DIY and Home Improvement
Extra-curricular activities
Network Engineering Hands-on Training Program, Kreativstorm, Online, 01/01/24, 02/01/24, 4 weeks training program over Cisco & open-source network protocols & troubleshooting procedures Grow with Google, DYPA (a.k.a. OAED), Athens, Greece, 10/01/21, 11/01/21, E-learning course for Google Statistics and E-commerce tools for e-shop Development. 1st Space2Connect symposium, ESA, Belgium, 10/01/21, 10/01/21, 4 day webinar-based Symposium for Satellite Communications Development Informative seminar for ISO 27001:2013 business certification, TUV NORD, Athens, Greece, 12/01/19, 12/01/19, 1-Day Informative seminar for ISO 27001:2013 business certification and security procedures FOSSCOMM Panhellenic Free / Open-Source Software Communities Meeting, ELLAK & T.E.I. Lamias, Lamia, Greece, 05/01/14, 05/01/14, Receiving part in the symposium as a volunteer engineer & also as a speaker.
Certification
- Network Engineering Hands-on Training Program, Kreativstorm, 02/01/24
- Business Office (Computer driving license), Diploma, 03/01/15
Personal Information
- Date of Birth: 06/30/92
- Nationality: Greek
- Driving License: No
Scientific Research
A REVIEW STUDY OF EUROPEAN R&D PROJECTS FOR SATELLITE COMMUNICATIONS IN 5G/6G ERA, NKUA, Athens, Greece, 06/01/19, 09/01/21, In my master's thesis I study European Space Agency and European Union's Horizon 2020 Research and Development funded projects in order to describe the satellite communication network capabilities within a 5G/6G heterogeneous network.
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Timeline
Network & Systems Engineer
Estarta
01.2025 - 07.2026
Network Engineer (Tier 2)
Estarta
06.2024 - 12.2024
Information Technology Help Desk Engineer
Space Hellas
12.2021 - 03.2024
Computer Department Assistant Engineer
National Army's Pension Fund
12.2020 - 04.2021
ADSL/VDSL-based Telephony Check & Malfunctions Tech Engineer
T-Mobile (former OTE)
02.2015 - 07.2015
Laboratory Assistant as Volunteer Engineer
University of Thessaly (Former T.E.I. Lamias)
09.2012 - 05.2013
Master of Science - Electronics Engineer
University of Thessaly
Bachelor of Science - Electronics Engineer
University of Thessaly
High School Diploma -
I.E.K. ALFA