It Security Engineer
Current
Apr 2022 - Present
AeroLeads people directory · profile
David Štefek Email & Phone Number
ICT Security Engineer | CISSP | Cyber Rangers Community Member
at
Rieter
1 work email found
@tieto.com
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 100%
Current company
Role
ICT Security Engineer | CISSP | Cyber Rangers Community Member
Location
Brno, South Moravia, Czech Republic
Company size
Who is David Štefek? Overview
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Quick answer
David Štefek is listed as ICT Security Engineer | CISSP | Cyber Rangers Community Member at Rieter, a with 1606 employees, based in Brno, South Moravia, Czech Republic. AeroLeads shows a work email signal at tieto.com and a matched LinkedIn profile for David Štefek.
David Štefek previously worked as IT Security Engineer at Rieter and Network Security Administrator at Rieter. David Štefek holds Bc., Electronics And Communication Technologies from Všb-Tu Ostrava.
Company email context
Email format at Rieter
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dtefek@tieto.com
76% confidence
AeroLeads found 1 current-domain work email signal for David Štefek. Compare company email patterns before reaching out.
Profile bio
About David Štefek
Security is my passion.Experience is growing, ideas are maturing.Everything I do, I do with enthusiasm.Security is not just computer science – it’s a mindset.
Listed skills include Switching, Routing, Cisco Technologies, Ccna, and 11 others.
Current workplace
David Štefek's current company
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Rieter
8 roles
David Štefek work experience
A career timeline built from the work history available for this profile.
Network Security Administrator
Current
Jan 2020 - Present
It Specialist
Microsoft Windows Server, Print and Exchange Server, VMWARE, Cisco, Checkpoint, IPS, Antispam, Security.
Jan 2018 - Dec 2019
Technik Elektrických Systémů
Security Systems - Jablotron | Dominus | Paradox | DSC | Falko | SiemensCamera Systems - Hikvision | AXIS | Dahua | NUUO | Mobotix
Mar 2017 - Dec 2017
Technik Elektrických Systémů
Česká Pošta Security
Mar 2017 - Dec 2017
Network Specialist
Main responsible for five customers.Installing and configuring network solution on site - SRX firewalls, EX switches.Administrating SSG and SRX, JUNOS, JUNOS SPACE, Checkpoint, Cisco ASA and PIX firewalls.L2 network infrastructure for server instalations (Juniper and Cisco switches).L3 in two different core networks based on MPLS VPN (one based on Cisco - ASR, IOS based devices second on Juniper routers) and troubleshooting them.Teaching network fundamentals. Supporting junior colleagues as a Newcomers tutor.Participating in projects when moving L3 customer environment from one core network to another. Including changing routing from static to BGP, migrating rulebases, changing ISP line connections.Knowledge of L2L tunnels.Basic knowledge of WIFI technology.Basic administration F5 loadbalbalancers.Incident, change, problem management.
Mar 2013 - Feb 2017
Technical Specialist
Monitoring over 20 thousand of servers (BMC Patrol) and network devices (NNMi). Investigating common tasks as starting services or checking connectivity. Updating instructions (OMT Remedy). Teaching network fundamentals. Major incident cooperations. Creating daily reports.
Mar 2008 - Feb 2013
Electrician
Elroz Development
Working on orders such as house wirings, house connections, substation revisions, connecting electromotors etc.
Mar 2007 - Feb 2008
Team & coworkers
Colleagues at Rieter
Other employees you can reach at rieter.com. View company contacts for 1606 employees →
CC
Chandrashekhar Chaudhari
Colleague at RieterPune, Maharashtra, India
View →
ÇT
Çiğdem Tunca Mertoğlu
Colleague at RieterWinterthur, Zurich, Switzerland
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TV
Tomáš Vydra
Colleague at RieterČeská Třebová, Pardubice, Czechia, Czech Republic
View →
KC
Karolína Cabalková
Colleague at RieterÚstí N. Orlicí, Pardubice, Czechia, Czech Republic
View →
RJ
Rajendra Jawale
Colleague at RieterSatara Taluka, Maharashtra, India
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RD
Renuka Devi
Colleague at RieterCoimbatore, Tamil Nadu, India
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AP
Akshay Pawar
Colleague at RieterMumbai, Maharashtra, India
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JM
Josef Mihulka
Colleague at RieterÚstí N. Orlicí, Pardubice, Czechia, Czech Republic
View →
LF
Lukas Fux
Colleague at RieterZurich, Switzerland
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AT
Aristides Theodoridis
Colleague at RieterStuttgart Region, Germany
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Chandrashekhar Chaudhari
Colleague at RieterPune, Maharashtra, India
View →
ÇT
Çiğdem Tunca Mertoğlu
Colleague at RieterWinterthur, Zurich, Switzerland
View →
TV
Tomáš Vydra
Colleague at RieterČeská Třebová, Pardubice, Czechia, Czech Republic
View →
KC
Karolína Cabalková
Colleague at RieterÚstí N. Orlicí, Pardubice, Czechia, Czech Republic
View →
RJ
Rajendra Jawale
Colleague at RieterSatara Taluka, Maharashtra, India
View →
RD
Renuka Devi
Colleague at RieterCoimbatore, Tamil Nadu, India
View →
AP
Akshay Pawar
Colleague at RieterMumbai, Maharashtra, India
View →
JM
Josef Mihulka
Colleague at RieterÚstí N. Orlicí, Pardubice, Czechia, Czech Republic
View →
LF
Lukas Fux
Colleague at RieterZurich, Switzerland
View →
AT
Aristides Theodoridis
Colleague at RieterStuttgart Region, Germany
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2 education records
David Štefek education
Bc., Electronics And Communication Technologies
Všb-Tu Ostrava
Graduated., Electronics And Computers
Spše Havířov
FAQ
Frequently asked questions about David Štefek
Quick answers generated from the profile data available on this page.
What company does David Štefek work for?
David Štefek works for Rieter.
What is David Štefek's role at Rieter?
David Štefek is listed as ICT Security Engineer | CISSP | Cyber Rangers Community Member at Rieter.
What is David Štefek's email address?
AeroLeads has found 1 work email signal at @tieto.com for David Štefek at Rieter.
Where is David Štefek based?
David Štefek is based in Brno, South Moravia, Czech Republic while working with Rieter.
What companies has David Štefek worked for?
David Štefek has worked for Rieter, Hyundai Glovis Czech Republic S.R.O., Zat Systémy Spol S.R.O., Česká Pošta Security, and Tieto Czech S.R.O..
Who are David Štefek's colleagues at Rieter?
David Štefek's colleagues at Rieter include Chandrashekhar Chaudhari, Çiğdem Tunca Mertoğlu, Tomáš Vydra, Karolína Cabalková, and Rajendra Jawale.
How can I contact David Štefek?
You can use AeroLeads to view verified contact signals for David Štefek at Rieter, including work email, phone, and LinkedIn data when available.
What schools did David Štefek attend?
David Štefek holds Bc., Electronics And Communication Technologies from Všb-Tu Ostrava.
What skills is David Štefek known for?
David Štefek is listed with skills including Switching, Routing, Cisco Technologies, Ccna, Juniper Technologies, Juniper Jncia, Teaching Network Fundamentals, and Bgp.
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