Jonás C.-Security Responder (SOC) | Penetration Testing | Offensive Security
Check rate
Experience
Security Responder (SOC)
gematik GmbH
At gematik's Cyber Defense Center (CDC/CERT) (critical infrastructure): Security Monitoring, Incident Response, and Service Monitoring for the telematics infrastructure (TI)
- Vulnerability management with Nexpose for gematik and the telematics infrastructure
- Vulnerability Assessment: Assessing and tracking vulnerabilities through Jira
- Security Monitoring and triage of security events with Splunk
- First Responder and Incident Handling: Initial assessment, triage, and escalation
- Service Monitoring: Monitoring critical TI services
- Documenting runbooks, playbooks, and knowledge base articles in Confluence
Network Manager – IoT + Network
Deutscher IoT Verband
Building and developing a business network focused on IoT
- Organizing partnerships and supporting more than 10 collaborative projects
Business Marketing Specialist
Developing and implementing online strategies and advising SMEs and self-employed professionals
System Integration Engineer
Motorola Solutions
Integrating and configuring secure TETRA radio systems in critical infrastructure
- Implementing firewalls and routers to protect network integrity
- Conducting system tests (FAT) to verify technical and security requirements
RAN Transmission Planner
Vodafone
Planning and optimizing the RAN (Radio Access Network) transmission network (2G, 3G, 4G)
- Creating and adjusting transmission plans, and coordinating technical requests and field engineers through Remedy
RIC Team Leader / RAN Engineer
Connect44
Responsible for the Remote Integration Center (RIC) for Vodafone's Northeast region
- Coordinated the integration and commissioning of new mobile sites
- Managed collaboration between the RIC, Field Engineers, and technical teams
- Provided remote 2nd-level support for 2G/3G migrations and LTE integration
RIC Support Engineer / RAN Engineer
ITS MAYER GmbH
Supported the development and maintenance of the Vodafone mobile network.
- 2G/3G swap and LTE rollout: integrated and commissioned Huawei network components
- Provided technical support and coordinated Field Engineers
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Telecommunication, Professional Services, Information Technology, and Healthcare.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Marketing, Quality Assurance, Project Management, and Customer Service.
Summary
Cybersecurity specialist with hands-on experience as a Security Responder in the SOC of a critical infrastructure company and a practical specialization in Offensive Security. Knowledge of Penetration Testing, Web Application Security, Vulnerability Assessment, and Active Directory Security. Technical background in telecommunications and network infrastructure, as well as practical experience analyzing and handling IT security incidents
Skills
- Penetration Testing
- Offensive Security
- Network Security
- Web Application Security
- Vulnerability Assessment
- Active Directory Security
- Security Analysis
- Linux
Languages
Education
UPCT
Telecommunications Engineer · Spain
UOC
Master of Science · Marketing Research and Business Administration · Spain
Certifications & licenses
EC-Council
PNPT
TCM Security
Practical Specialization in Offensive Security
Google Cybersecurity Certificate
eJPTv2
INE
PMI
HTB CWES (in progress)
Statistics
Experience
Global experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Jonás is based in Berlin, Germany.
Jonás speaks the following languages: Spanish (Native), German (Advanced), English (Advanced).
Jonás has at least 14 years of experience. During this time, Jonás has worked in at least 7 different roles and for 6 different companies. The average length of individual experience is 2 years and 11 months. Note that Jonás may not have shared all experience and actually has more experience.
Based on recent experience, Jonás would be well-suited for roles such as: Security Responder (SOC), Network Manager – IoT + Network, Business Marketing Specialist.
Jonás's most recent position is Security Responder (SOC) at gematik GmbH.
In recent years, Jonás has worked for gematik GmbH and Deutscher IoT Verband.
Jonás is most experienced in industries like Telecommunication, Professional Services, and Information Technology. Jonás also has some experience in Healthcare.
Jonás is most experienced in business areas like Information Technology, Marketing, and Quality Assurance. Jonás also has some experience in Project Management and Customer Service.
Jonás has recently worked in industries like Professional Services, Information Technology, and Healthcare.
Jonás has recently worked in business areas like Marketing, Project Management, and Information Technology.
Jonás holds a Master from UPCT and a Master in Marketing Research and Business Administration from UOC.
Jonás has 8 certificates. Among them, these include: CEH Master, PNPT, and Practical Specialization in Offensive Security.
The availability of Jonás needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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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 26 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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