Rick Grassmann - Interim IT Security Analyst

Q: Where is Rick based?

Rick is based in Munich, Germany .

Q: What languages does Rick speak?

Rick speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Rick have?

Rick has at least 8 years of experience. During this time, Rick has worked in at least 2 different roles and for 2 different companies . The average length of individual experience is 4 years and 2 months . Note that Rick may not have shared all experience and actually has more experience.

Q: What is Rick's latest experience?

Rick's most recent position is Interim IT Security Analyst at GLS IT Services GmbH .

Q: What companies has Rick worked for in recent years?

In recent years, Rick has worked for GLS IT Services GmbH and mgm Security Partners & Rasotec GmbH .

Q: Which industries is Rick most experienced in?

Rick is most experienced in industries like Information Technology and Professional Services .

Q: Which business areas is Rick most experienced in?

Rick is most experienced in business areas like Information Technology and Quality Assurance .

Q: Which industries has Rick worked in recently?

Rick has recently worked in industries like Information Technology and Professional Services .

Q: Which business areas has Rick worked in recently?

Rick has recently worked in business areas like Information Technology and Quality Assurance .

Recommended expert

Munich, Germany

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Experience

Jul 2023 - Jul 2025

2 years 1 month

Eschborn, Germany

Interim IT Security Analyst

GLS IT Services GmbH

Risk Management
Incident Management
Security Analysis
Secure Coding
Information Security Management System (ISMS)

Apr 2018 - Present

8 years 5 months

Munich, Germany

Cybersecurity Expert, Penetration Tester

mgm Security Partners & Rasotec GmbH

Penetration tests and security analyses: network infrastructure, Active Directory, cloud, Microsoft 365 (e.g. SharePoint), servers, OS (Linux and Windows), web applications (OWASP Top 10, XSS, SQLi), mobile apps
Identification and assessment of vulnerabilities
Creating final reports
Source code analyses: .NET, Java, Kotlin, Swift, JavaScript
Consulting on secure software development
Creation of threat models

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology and Professional Services.

Information Technology

Professional Services

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology and Quality Assurance.

Information Technology

Quality Assurance

Skills

Networks: Communication Protocols And Network Architectures, Ipv4, Ipv6, Tcp, Udp, Routing, Firewalls, Dns, Tls, Vpn
Active Directory: Configuration And Access Rights Management, Ntlm, Kerberos, Smb, Rdp, Ldap, Group Policies
Web Applications: Web Application Architectures, Http, Single-Page Applications, Rest Apis (Json), Html, Web Frameworks
It Security: Concepts, Guidelines, Standards, Isms, Owasp, Bsi Basic Protection, Mitre, Cve, Cvss, Cis Benchmarks
Secure Coding: Secure Development Of Web Applications, Password Policies, Login, Password Storage, Handling Sensitive Data, Multi-Factor Authentication, Session Management, Measures Against Password Cracking, Measures Against Injection Attacks
Operating Systems: Linux And Windows, Extensive Knowledge Of Linux (Ubuntu, Arch, Red Hat, Debian, Kali, Etc.) And Windows
Programming: Go, Javascript, Java, .Net, Kotlin, Swift, Web Apps, Mobile Apps, Code Analysis
Programming: Python, Bash, Fish, Exploit Development
Databases: Mysql/Mariadb, Sqlite, Postgresql, Oracle, Mssql, Etc., Web Apps, Exploits
Tools: Burp Suite, Zap, Nmap, Nessus, Impacket, Netexec, Metasploit, Etc., Extensive Experience With Pentesting Tools
Tools: Latex, Good Skills Using Latex To Create Pentest Reports
Cloud: Aws, Azure, Office 365, Entra, Iam, Sharepoint, Entra Id, Aws Lambda, Api Gateway, And Other Services

Languages

German

Native

English

Advanced

Education

Oct 2016 - Mar 2018

TU Kaiserslautern

Master of Science · Physics · Kaiserslautern, Germany

Oct 2012 - Jun 2016

TU Kaiserslautern

Bachelor of Science · Physics · Kaiserslautern, Germany

Sep 2004 - Jun 2012

Herzog-Johann-Gymnasium

Simmern, Germany

Certifications & licenses

OSCP Certificate, Offensive Security Certified Professional

Offensive Security

Statistics

Experience

Total positions 2

Experience in Information Technology 8.5 y

Avg length 5 y 2 m

Longest experience 8 y 4 m

Global Experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles Interim IT Security Analyst, Cybersecurity Expert, Penetration Tester

Main industries Information Technology, Professional Services

Main business areas Information Technology, Quality Assurance

Qualifications

Highest degree Master

Certifications earned 1

Profile

Created

August 2025

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Frequently asked questions

Have questions? Find more information here.

Rick is based in Munich, Germany.

Rick speaks the following languages: German (Native), English (Advanced).

Rick has at least 8 years of experience. During this time, Rick has worked in at least 2 different roles and for 2 different companies. The average length of individual experience is 4 years and 2 months. Note that Rick may not have shared all experience and actually has more experience.

Based on recent experience, Rick would be well-suited for roles such as: Interim IT Security Analyst, Cybersecurity Expert, Penetration Tester.

Rick's most recent position is Interim IT Security Analyst at GLS IT Services GmbH.

In recent years, Rick has worked for GLS IT Services GmbH and mgm Security Partners & Rasotec GmbH.

Rick is most experienced in industries like Information Technology and Professional Services.

Rick is most experienced in business areas like Information Technology and Quality Assurance.

Rick has recently worked in industries like Information Technology and Professional Services.

Rick has recently worked in business areas like Information Technology and Quality Assurance.

Rick holds a Master in Physics from TU Kaiserslautern and a Bachelor in Physics from TU Kaiserslautern.

Rick has 1 certificate: OSCP Certificate, Offensive Security Certified Professional.

Rick is immediately available for suitable projects.

Rick's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

To hire Rick, click the Meet button on the profile to request a meeting and discuss your project needs.

Daily Rate Distribution

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<€800 €800-1200 €1600+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Average rates for similar positions

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1000

750

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Daily rate avg. 971 €

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1000

750

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Median rate 880 €

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.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.