Immersive Cybersecurity Consulting
Self-Employed
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Jarosław Sajko Email & Phone Number
Immersive Cybersecurity Consulting
at
Self-employed
1 work email found
@pentesters.pl
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 100%
Current company
Role
Immersive Cybersecurity Consulting
Location
Kórnik, Wielkopolskie, Poland
Company size
Who is Jarosław Sajko? Overview
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Quick answer
Jarosław Sajko is listed as Immersive Cybersecurity Consulting at Self-employed, a with 5 employees, based in Kórnik, Wielkopolskie, Poland. AeroLeads shows a work email signal at pentesters.pl and a matched LinkedIn profile for Jarosław Sajko.
Jarosław Sajko previously worked as CEO at Pentesters.Pl and Penetration testing specialist at Abn Amro. Jarosław Sajko holds Executive Mba, Poznan-Atlanta from Uniwersytet Ekonomiczny W Poznaniu.
Company email context
Email format at Self-employed
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jsajko@pentesters.pl
79% confidence
AeroLeads found 1 current-domain work email signal for Jarosław Sajko. Compare company email patterns before reaching out.
Profile bio
About Jarosław Sajko
A passionate of knowledge and development with strong experience in cybersecurity. Have been helping companies since about 20 years to grow by delivering them valueable knowledge about their cybersecurity issues and potential technological advancements. Executive MBA.
Listed skills include Penetration Testing, Security, Linux, Network Security, and 19 others.
Current workplace
Jarosław Sajko's current company
Company context helps verify the profile and gives searchers a useful next step.
Self-Employed
5 roles
Jarosław Sajko work experience
A career timeline built from the work history available for this profile.
Ceo
CurrentDelivering cybersecurity services to our customers. Team management. Sales management.
Oct 2007 - Present
Penetration Testing Specialist
Delivery of penetration testing services. Malware analysis. Vulnerability Research. Security Audit.
Jan 2007 - Dec 2008
Security Specialist
Vulnerability research, penetration testing, code audits, security infrastructure management.
Jun 2004 - Dec 2006
Network Systems Administrator
Horyzont Technologie Internetowe
Network and systems administration:- xDSL, ISDN, Ethernet, IP routing including external BGP routing(AS)- Linux, Solaris, Windows, BSD- Apache, MySQL, PostgreSQL, Squid, Qmail, Bind, etc.- Lots of other stuff typical for ISP companies, eg. hardware, recovery and backup. etc.
Jul 2001 - May 2004
2 education records
Jarosław Sajko education
Executive Mba, Poznan-Atlanta
Msc, Distributed Computing And Networking
FAQ
Frequently asked questions about Jarosław Sajko
Quick answers generated from the profile data available on this page.
What company does Jarosław Sajko work for?
Jarosław Sajko works for Self-employed.
What is Jarosław Sajko's role at Self-employed?
Jarosław Sajko is listed as Immersive Cybersecurity Consulting at Self-employed.
What is Jarosław Sajko's email address?
AeroLeads has found 1 work email signal at @pentesters.pl for Jarosław Sajko at Self-employed.
Where is Jarosław Sajko based?
Jarosław Sajko is based in Kórnik, Wielkopolskie, Poland while working with Self-employed.
What companies has Jarosław Sajko worked for?
Jarosław Sajko has worked for Self-Employed, Pentesters.Pl, Abn Amro, Poznan Supercomputing And Networking Center, and Horyzont Technologie Internetowe.
Who are Jarosław Sajko's colleagues at Self-employed?
Jarosław Sajko's colleagues at Self-employed include Badr E. and Raju Chauhan.
How can I contact Jarosław Sajko?
You can use AeroLeads to view verified contact signals for Jarosław Sajko at Self-employed, including work email, phone, and LinkedIn data when available.
What schools did Jarosław Sajko attend?
Jarosław Sajko holds Executive Mba, Poznan-Atlanta from Uniwersytet Ekonomiczny W Poznaniu.
What skills is Jarosław Sajko known for?
Jarosław Sajko is listed with skills including Penetration Testing, Security, Linux, Network Security, System Administration, Unix, Software Development, and Malware Analysis.
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