Jonas P.-GIAC Security Expert
Check rate
Experience
Cyber Security Manager - Home Connect PKI - Team Lead
Bosch - BSH Hausgeräte GmbH
- Lead the team responsible for providing millions of home appliances with trust.
- Certification authority management at scale: Over 300 million certificates issued.
- Certificate lifecycle management, HSM hardening and air gap-based security controls.
- Prepared PQC transition, NIS2 and CRA readiness initiatives.
- Developed and implemented comprehensive security controls and vulnerability management, based on industry best practices and standards.
- Listed top on Bosch Products Hall of Fame 2025 for disclosure of vulnerabilities.
- Achieved a 50%+ team performance improvement through AI automation.
Cyber Security Assurance - Auditor & Red Team Member
Siemens Energy AG
- Security assessments of products, factories and infrastructure on an international scale (USA, EU, China) using ethical hacking and interview techniques -> Led over ten impactful red team projects.
- Provided transparency on the current state of security controls and any gaps.
- Articulated cybersecurity risks to senior management in non-technical language.
- Identified and remediated numerous security risks by conducting root cause analyses.
Cyber Security Assurance - Auditor & Red Team Member
Siemens AG
- Security assessments of products, factories and infrastructure on an international scale (USA, EU, China) using ethical hacking and interview techniques -> Led over ten impactful red team projects.
- Provided transparency on the current state of security controls and any gaps.
- Articulated cybersecurity risks to senior management in non-technical language.
- Identified and remediated numerous security risks by conducting root cause analyses.
Security consultant
Accenture
Two months at Accenture as a security consultant.
DLP consultant
EgoSecure GmbH
Four months at EgoSecure GmbH as a DLP consultant.
Teaching assistant
SANS
Participated 2023 - 2026 in SANS instructor development for SEC504: "Hacker Tools, Techniques, and Incident Handling"; served multiple times as teaching assistant at SANS for FOR508: "Advanced Incident Response, Threat Hunting, and Digital Forensics and LDR520: "Emerging Trends for Cyber Leaders: AI and Cloud". I've taken all of these courses 3 to 10+ times.
Schwarz Group
Six months at Schwarz Group in IT audit.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Manufacturing and Energy.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Audit, and Project Management.
Summary
Over a decade of experience in offensive security and protecting infrastructure.
Extensive knowledge in modern security architectures and security frameworks.
- Presented "Webpush as C2 channel" at BlackHat MEA 2024 conference in Riyadh.
- #1 place at Netwars CTF Finals "Tournament of Champions" 2022.
- #1 place at the Interace IoT Smart Toy CTF in Cambridge in 2018. Only three of the 130 participants accomplished the objective.
Languages
Education
Lancaster University
Master of Science · Cyber Security · Lancaster, United Kingdom
University of Applied Sciences – St. Poelten
Bachelor of Science · IT Security · Saint Pölten, Austria
Certifications & licenses
12x GIAC Certifications
FOR508: "Advanced Incident Response, Threat Hunting, and Digital Forensics"
SANS
GIAC Security Expert (GSE)
LDR520: "Emerging Trends for Cyber Leaders: AI and Cloud"
SANS
Offensive Security Certified Expert (OSCE)
SANS instructor development for SEC504: "Hacker Tools, Techniques, and Incident Handling"
SANS
Statistics
Experience
Global experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Jonas is based in Munich, Germany.
Jonas speaks the following languages: German (Native), English (Advanced).
Jonas has at least 8 years of experience. During this time, Jonas has worked in at least 2 different roles and for 3 different companies. The average length of individual experience is 3 years and 10 months. Note that Jonas may not have shared all experience and actually has more experience.
Based on recent experience, Jonas would be well-suited for roles such as: Cyber Security Manager - Home Connect PKI - Team Lead, Cyber Security Assurance - Auditor & Red Team Member, Security consultant.
Jonas's most recent position is Cyber Security Manager - Home Connect PKI - Team Lead at Bosch - BSH Hausgeräte GmbH.
In recent years, Jonas has worked for Bosch - BSH Hausgeräte GmbH and Siemens Energy AG.
Jonas is most experienced in industries like Manufacturing and Energy.
Jonas is most experienced in business areas like Information Technology, Audit, and Project Management.
Jonas has recently worked in industries like Manufacturing and Energy.
Jonas has recently worked in business areas like Information Technology, Audit, and Project Management.
Jonas holds a Master in Cyber Security from Lancaster University and a Bachelor in IT Security from University of Applied Sciences – St. Poelten.
Jonas has 11 certificates. Among them, these include: 12x GIAC Certifications, Certified Cloud Security Professional (CCSP), and Certified Information Security Manager (CISM).
Jonas will be available full-time from December 2026.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
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 6 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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