Efstratios Lazaridis
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Efstratios Lazaridis Email & Phone Number

DNS ∩ Cyber Security 🔐 | Tech Consulting | MS Azure Certified | AWS Certified Solutions Architect at Whalebone
Location: Brno, South Moravia, Czech Republic 7 work roles 1 school
1 work email found @att.com LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email e****@att.com
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Current company
Whalebone
Role
DNS ∩ Cyber Security 🔐 | Tech Consulting | MS Azure Certified | AWS Certified Solutions Architect
Location
Brno, South Moravia, Czech Republic
Company size
19 employees

Who is Efstratios Lazaridis? Overview

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Quick answer

Efstratios Lazaridis is listed as DNS ∩ Cyber Security 🔐 | Tech Consulting | MS Azure Certified | AWS Certified Solutions Architect at Whalebone, a company with 19 employees, based in Brno, South Moravia, Czech Republic. AeroLeads shows a work email signal at att.com and a matched LinkedIn profile for Efstratios Lazaridis.

Efstratios Lazaridis previously worked as Technical Consultant at Whalebone and Queue Manager / Tier 2 Sr.Network BVoIP Engineer at At&T. Efstratios Lazaridis holds Associate'S Degree, Computer Systems Engineer from Public Institute Of Professional Training, Edessa-Greece.

Company email context

Email format at Whalebone

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{first}.{last}@att.com
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Profile bio

About Efstratios Lazaridis

I am an organized, self-motivated and highly efficient. I enjoy working in a team environment as well as individually. Always ready to face a new challenge with a strong drive towards success. With excellent communication skills which are combined with good analytical and problem solving abilities, has always proved to be an asset in every task that was set before me. My main objectives is to utilize and further develop my current skills and knowledge and to become more confident in what I do so I can achieve the best possible outcomes for myself and the company

Listed skills include Telecommunications, Linux, Tcp/Ip, Network Administration, and 43 others.

Current workplace

Efstratios Lazaridis's current company

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Whalebone
Whalebone
DNS ∩ Cyber Security 🔐 | Tech Consulting | MS Azure Certified | AWS Certified Solutions Architect
brno, jihomoravsky kraj, czechia
Website
whalebone.io
Employees
19
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7 roles

Efstratios Lazaridis work experience

A career timeline built from the work history available for this profile.

Technical Consultant

Current
Whalebone

Brno, South Moravia, Czechia

Mar 2024 - Present

Queue Manager / Tier 2 Sr.Network Bvoip Engineer

At&T

Brno, South Moravia, Czechia

  • Responsible for the day-to-day operations, maintenance, administration, configuration, problem resolution and/or technical support for voice and data infrastructure related hardware and software.
  • Work closely with internal and external technical teams/ organisation and leadership to resolve customer issues
  • Trouble Ticket Management, including investigations, escalations, and clearing out
  • Actively troubleshoot and diagnose problems by ensuring circuit and Voice is up
  • Ensure problems are satisfactorily resolved in a timely manner with focus on providing a high level of support for al business customers.
  • MultiPlatform support: Cisco / Edgewater: any device of AT&T with business Voip services
Apr 2020 - Mar 2024

Tier 2 Technical Voip Specialist

At&T

District Brno-City, Czech Republic

  • Customer | Network operations installation and support
  • Troubleshooting and repairing AT&T's Hosted VoIP services - Voice DNA and AT&T Collaborate
  • Trouble Ticket Management, including investigations, escalations, and clearing out
  • Support customers on phone and chat for setup and troubleshoot their equipment
  • Working with Tech’s and Customers IT for setup and troubleshoot Voice Network equipment
Mar 2018 - Apr 2020

Sr.Network Engineer-Mobility Provisioning Center

At&T Mobility

District Brno-City, Czech Republic

  • Lead Engineer e911 PSAP Project (Since October 2016)
  • US e911 PSAP Center Toycell call Testing – Phase Deployment
  • Supported both LTE and UMTS elements (eNodeB's, RNC's/NodeB's, SmallCells)
  • Worked on OSSRC CLI platform for Ericsson (WinFIOL and Ericsson Common Explorer both based on SunOS 5.xx/Solaris) and several OSS applications of Alcatel-Lucent (SAM 5620, WPS 9953, WMS 9353, HDM, SMP)
  • Made configuration adjustments on RAN Managed Objects) eNodeB SiriusXM WCS drive testing
  • Cooperated with Field Engineers working directly on physical AT&T eNodeB locations in different parts of US.
Aug 2014 - Mar 2018

Founder & Ceo

Bigsales.Gr

27 Stratou st. Edessa, Greece

  • Managed own retail company, including both warehouse stock and customer service.
  • Developed brand strategy and implemented management techniques, resulted to an approximately 10% increase in total sales yearly.
  • Analyzed web site traffic growth extracting statistics related to financial turnover of the company.
Dec 2009 - Aug 2014

It Support Department Leader - Hardware Technician

Paradise Stores

30 Filippou St Edessa, Greece

  • Delivered hardware maintenance services to end users.
  • Monitored and maintained company’s warehouse management software.
  • Provided after sales technical support to local retail companies and public organizations.
Aug 2004 - Nov 2009

Internship

Accountant Office (Basilios Marinidis)

7 Demokratias st. Edessa, Greece

  • Performed informatics and accounting tasks,
  • Configured and maintained workstations and network printers
Nov 2006 - Apr 2007
Team & coworkers

Colleagues at Whalebone

Other employees you can reach at whalebone.io. View company contacts for 19 employees →

TR Taslima R. Mishu Taslima R. Mishu Colleague at WhaleboneBrno, South Moravia, Czechia, Czech Republic View → EC Eva Cerna Eva Cerna Colleague at WhaleboneBrno Metropolitan Area, Czech Republic View → VN Vladimir Nezdaril Vladimir Nezdaril Colleague at WhaleboneBrno, South Moravia, Czechia, Czech Republic View → OČ Ota Čermák Ota Čermák Colleague at WhaleboneBrno, South Moravia, Czechia, Czech Republic View → JD Jan Dlugoš Jan Dlugoš Colleague at WhaleboneBrno, South Moravia, Czechia, Czech Republic View → RZ Roman Zavadil Roman Zavadil Colleague at WhaleboneBrno Metropolitan Area, Czech Republic View → BN Barbora Novosadová Barbora Novosadová Colleague at WhaleboneBrno, South Moravia, Czechia, Czech Republic View → VG Vlad Gurman Vlad Gurman Colleague at WhaleboneRiga, Latvia, Latvia View → MK Martin Klimeš Martin Klimeš Colleague at WhaleboneBrno, South Moravia, Czechia, Czech Republic View → DO Daniel Olearčin Daniel Olearčin Colleague at WhaleboneBrno - Město, South Moravia, Czechia, Czech Republic View →
1 education record

Efstratios Lazaridis education

  • Public Institute Of Professional Training, Edessa-Greece
    Public Institute Of Professional Training, Edessa-Greece
    Computer Systems Engineer
FAQ

Frequently asked questions about Efstratios Lazaridis

Quick answers generated from the profile data available on this page.

What company does Efstratios Lazaridis work for?

Efstratios Lazaridis works for Whalebone.

What is Efstratios Lazaridis's role at Whalebone?

Efstratios Lazaridis is listed as DNS ∩ Cyber Security 🔐 | Tech Consulting | MS Azure Certified | AWS Certified Solutions Architect at Whalebone.

What is Efstratios Lazaridis's email address?

AeroLeads has found 1 work email signal at @att.com for Efstratios Lazaridis at Whalebone.

Where is Efstratios Lazaridis based?

Efstratios Lazaridis is based in Brno, South Moravia, Czech Republic while working with Whalebone.

What companies has Efstratios Lazaridis worked for?

Efstratios Lazaridis has worked for Whalebone, At&T, At&T Mobility, Bigsales.Gr, and Paradise Stores.

Who are Efstratios Lazaridis's colleagues at Whalebone?

Efstratios Lazaridis's colleagues at Whalebone include Taslima R. Mishu, Eva Cerna, Vladimir Nezdaril, Ota Čermák, and Jan Dlugoš.

How can I contact Efstratios Lazaridis?

You can use AeroLeads to view verified contact signals for Efstratios Lazaridis at Whalebone, including work email, phone, and LinkedIn data when available.

What schools did Efstratios Lazaridis attend?

Efstratios Lazaridis holds Associate'S Degree, Computer Systems Engineer from Public Institute Of Professional Training, Edessa-Greece.

What skills is Efstratios Lazaridis known for?

Efstratios Lazaridis is listed with skills including Telecommunications, Linux, Tcp/Ip, Network Administration, Lte, Ericsson Oss, Network Engineering, and Enode B.

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