Skills
Here's a brief rundown of my abilities. This list is intentionally concise and omits fluff.
- Red Teaming in complex Active Directory environments
- AV/EDR evasion using
LOLBAS
, custom loaders, and process injection - High-level phishing campaigns using:
GoPhish
for campaign automation and trackingEvilGinx
with custom phishlets for 2FA bypass- Advanced spam filter evasion (e.g. DKIM/SFP trickery, advanced bot filtering, cloaked payload delivery)
- Social engineering phone calls
- Post-exploitation with C2 frameworks (e.g.
Cobalt Strike
,Sliver
) - Post-exploitation on Linux platforms
- Linux-first workflow:
Alpine
,Arch
,Debian
,Nix
,OpenSuse
,RHEL
- Manual OS hardening:
AppArmor
,firewalld
,sysctl
, permissions,PAM
,journald
configs - Containerized workflows using
LXC/LXD
- Infrastructure as code:
Ansible
> Bash one-liners > YAML hell LXC/LXD
for reproducible testbeds and dynamic lab deployments- CI/CD pipelines (
GitLab CI
,Jenkins
) - System validation with
Goss
+DGoss
- Secure architecture design & review
- Threat modeling focused on real risk
- Detection engineering with
YARA
,Suricata
- SIEM pipelines mit
ELK
,Graylog
,syslog-ng
Certifications / Courses
- Phishing
- MalDevAcademy | Offensive Phishing Operations
- BreakDev | Evilginx Mastery
- Offensive Security
- Zero-Point Security | Certified Red Team Operator
- Blue Team Stuff
- Qualys | Vulnerability Management Detection and Response
- Qualys | Endpoint Detection and Response Certification
- Linux
- LPIC-1 | Linux Administrator
- IHK
- State Certified IT Specialist for Systems Integration
Experience
2023 - Present
Junior Penetration Tester & Security Engineer at SmartTECS Cyber Security
As part of my role, I was responsible for conducting comprehensive penetration tests across various environments, developing robust IT emergency response plans, and supporting the implementation of ISO 27001-compliant information security management systems. I also designed and hardened Linux-based infrastructures (RHEL and Debian) and integrated as well as monitored network detection systems, including NIDS, AIDS, and HIDS, to enhance overall organizational security posture. I was actively involved in threat intelligence gathering and analysis to proactively identify, assess, and mitigate emerging risks.
2020 - 2023
Apprenticeship β Linux Administrator at SBE network Solutions
Completed a vocational training as an IT Specialist for System Integration, with a strong focus on planning, deploying, and maintaining Linux-centric and hybrid infrastructures. Core responsibilities included managing
Samba4 Active Directory
environments, building containerized services with LXC
, and automating system configurations using Puppet
. Daily work involved deploying secure proxy services via Squid
, implementing system monitoring and backup strategies, and troubleshooting complex issues in Debian- and RHEL-based networks. Gained deep experience in integrating open-source tools to create scalable, secure, and maintainable environments.
Hobbies
- Red Teaming
- Self-hosting
- Hiking
- Kickboxing
- Sports photography
- Bodybuilding