Senior Red Team Lead - Offensive Security (Remote)

modzero AG; Schweiz; Hybrid; CHF 140,000 - 180,000; Full time

Benefits offered by this job

Remote work

Office in Winterthur

Office in Berlin

Professional development support

Collaborative team

Job summary

modzero AG is seeking an experienced Senior Cybersecurity Professional - Offensive Security to lead and execute advanced red team engagements across Web, Mobile, Cloud, AI, and Cryptography. You will design custom tooling and drive improvements to our red team capabilities within a high-technical, collaborative environment.

You will develop tooling in Python/PowerShell, document complex findings clearly, and communicate effectively in German and English.

Qualifications

• Several years of hands-on experience in offensive security, including conducting red team engagements.
• Strong familiarity with command30and-control and post-exploitation frameworks (e.g., Cobalt Strike, Mythic, or similar platforms).
• Solid understanding of Active Directory and modern identity and access management environments such as Azure AD / Entra ID.
• Ability to develop custom tooling, exploits, or proof-of-concept code (e.g., in Python, PowerShell, or similar languages).
• Experience documenting complex technical findings in clear, structured, and reproducible reports.
• Strong communication skills in German and English, both written and spoken.
• A curious and self-driven mindset with the willingness to explore unfamiliar systems and attack surfaces.

Responsibilities

• Lead and execute advanced offensive security assessments, including complex red team engagements.
• Design and develop custom tooling and frameworks to support sophisticated client engagements.
• Drive the ongoing development and improvement of our custom red team agent and supporting capabilities.
• Shape and maintain our internal red team infrastructure, including environments such as our Active Directory lab.
• Perform in-depth penetration tests and technical security assessments across domains including Web, Mobile, Cloud, AI, and Cryptography.
• Contribute to the broader security community through original research, blog posts, vulnerability disclosures, and conference presentations.

Skills

Red team engagements

Offensive security

Command-and-control frameworks

Active Directory / IAM (Azure AD / En

Tools

Cobalt Strike

Mythic

Python

PowerShell

Job description

modzero AG is seeking an experienced Senior Cybersecurity Professional - Offensive Security to lead and execute advanced red team engagements across Web, Mobile, Cloud, AI, and Cryptography. You will design custom tooling and drive improvements to our red team capabilities within a high-technical, collaborative environment.

You will develop tooling in Python/PowerShell, document complex findings clearly, and communicate effectively in German and English.