Petr Pospíšil-vCISO | Cybersecurity Architect
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Experience
Cyber Security Officer
European External Action Service
As the lead for cyber and information security implementation, I drive strategic and operational efforts to safeguard digital assets.
- Lead end-to-end development and execution of security strategies and governance frameworks
- Oversee the full lifecycle of security controls: design, deployment, monitoring, and improvement
- Ensure compliance with EU regulations and international cybersecurity standards
- Collaborate with EU institutions to strengthen cybersecurity maturity across entities
Vetted Expert
United Nations Development Programme
- The GPN/ExpRes Roster maintains pre-vetted consultants for immediate support to UNDP HQ and Country Offices
- The roster holds over 4,000 vetted experts
- Experts range in levels starting at P-3 (international professional)
- All experts have been thoroughly vetted by UNDP’s technical teams
Freelance Cyber Security Consultant | Architect | Instructor
SteadySec
I am a cybersecurity consultant with 10+ years of experience across offensive security, security operations, governance, and information security leadership.
My background includes work as a Penetration Tester, Senior Security Analyst, Information Security Officer for a global enterprise, and contributor to international cybersecurity capacity-building projects. I have supported initiatives connected to organisations such as UNDP, OSCE, and EU CyberNet, and hold certifications including CISSP, GIAC, CompTIA SecurityX, and others.
Vetted Expert
EU CyberNet
- Serve as core cybersecurity experts to build and promote an open, free, secure, and stable cyberspace
- Share experiences and contribute to capacity-building initiatives
- Provide expertise to the EU’s efforts in partner countries
- Enhance the use of valuable human resources and know-how for the Union’s cybersecurity
Cyber Security Instructor
Czechitas
- Spread awareness about cybersecurity and lectured participants
- Co-led the development and direction of cybersecurity courses
- Collaborated on creating new courses
- Supported participants with Q&A
- Lectured developed courses
- Promoted courses via podcasts and public talks
Cyber Defense & Operation Manager
Ahold Delhaize
- Responsible for overall cybersecurity with a primary focus on building a Cyber Threat Intelligence service and local cybersecurity SME
- Acted as SME for threat detection, threat intelligence, and vulnerability management
- Served as Information Security Officer for the local retail brand Albert
Security Operations Senior Analyst
Accenture
- Performed root cause analysis and incident reviews
- Conducted proactive threat hunting based on threat intelligence
- Maintained response plan documentation
- Mentored junior peers and organized CTF sessions via HackTheBox
Informal talk - Budget Phishing
OWASP Czech Chapter
How to easily launch a sneaky, yet simple phishing campaign without paying big money with only few open-source tools and cloud-based infrastructure.
IT Security Assessment Specialist
Home Credit International
- Performed penetration tests against web applications and REST API services
- Executed a phishing simulation against the organization
- Tracked findings and communicated remediation with stakeholders
- Tweaked the web application firewall to detect common OWASP Top 10 attacks
- Onboarded previously tested APIs to the SIEM for monitoring
Security Developer
Tieto
- Joined the Gen-T internship within Security Services as a trainee
- Automated SOC playground deployment
- Provided IAM solution support
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Education, Government and Administration, Retail, Banking and Finance, and Professional Services.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Marketing, Product Development, Human Resources, Operations, and Strategy.
Summary
With years of extensive experience in cybersecurity, I began my journey as a penetration tester, later advancing to the role of a senior security analyst. My career then took me to the management level, where I served as an Information Security Officer for a global enterprise.
Following this, I transitioned into independent freelance consulting, specializing in short-term projects and consulting opportunities. I hold numerous certifications, including GIAC Certified Detection Analyst (GCDA) and CompTIA Advanced Security Practitioner (CASP), and I am skilled in Python and various security tools.
My commitment to cybersecurity extends to volunteering as a lecturer for Czechitas, where I play a vital role in raising cybersecurity awareness.
Furthermore, I am a vetted expert within global expert groups, such as the United Nations Development Programme's Roster and EU CyberNet, showcasing my exceptional expertise and dedication to advancing cybersecurity on a global scale.
Key Highlights:
- Trusted partner to UNDP, OSCE, and EU CyberNet on cybersecurity capacity building and institutional resilience
I always seek new consulting opportunities. Looking forward to meeting you.
Skills
Penetration Testing
Security Operations
Security Architecture
Application Security
Secure Development & Threat Modeling
Endpoint Security
Incident Response And Management
Security Awareness And Training
Threat Intelligence
Security For Smbs
Compliance (Nis 2, Cis, Nist, Iso 27000)
Governance
Ai Security
Azure Sentinel
Splunk Enterprise
Microsoft Defender For Endpoint
Burp Suite
Rapid7 Insightvm
Wazuh
M365 Security
Cis Critical Controls
Owasp Asvs, Top10, Samm
Mitre Att&Ck, D3fend
Languages
Education
Technical University of Ostrava
Bachelor degree · Information and Communication Technology · Ostrava, Czech Republic
Certifications & licenses
Certified Professional Penetration Tester (eCPPT)
Certified Red Team Professional (CRTP)
CompTIA Advanced Security Practitioner (CASP)
CompTIA Cybersecurity Analyst (CySA+)
CompTIA PenTest+
CompTIA SecurityX (Xpert Series)
GIAC Certified Detection Analyst (GCDA)
GIAC Cyber Threat Intelligence (GCTI)
ISC2 Certified Information Systems Security Professional (CISSP)
ISO/IEC 27001:2022 Lead Auditor
Microsoft Certified: Security Operations Analyst Associate
Splunk Certified Enterprise Admin
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Petr is based in Hlavní město Praha, Czech Republic and can operate in on-site, hybrid, and remote work models.
Petr speaks the following languages: Czech (Native), English (Advanced), Russian (Advanced).
Petr has at least 9 years of experience. During this time, Petr has worked in at least 9 different roles and for 10 different companies. The average length of individual experience is 1 year and 11 months. Note that Petr may not have shared all experience and actually has more experience.
Based on recent experience, Petr would be well-suited for roles such as: Cyber Security Officer, Vetted Expert, Freelance Cyber Security Consultant | Architect | Instructor.
Petr's most recent position is Cyber Security Officer at European External Action Service.
In recent years, Petr has worked for European External Action Service, United Nations Development Programme, SteadySec, EU CyberNet, and Czechitas.
Petr is most experienced in industries like Information Technology, Education, and Government and Administration. Petr also has some experience in Retail, Banking and Finance, and Professional Services.
Petr is most experienced in business areas like Information Technology, Marketing, and Product Development. Petr also has some experience in Human Resources, Operations, and Strategy.
Petr has recently worked in industries like Information Technology, Education, and Government and Administration.
Petr has recently worked in business areas like Information Technology, Marketing, and Product Development.
Petr holds a Bachelor in Information and Communication Technology from Technical University of Ostrava.
Petr has 12 certificates. Among them, these include: Certified Professional Penetration Tester (eCPPT), Certified Red Team Professional (CRTP), and CompTIA Advanced Security Practitioner (CASP).
Petr will be available part-time from April 2027.
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The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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