Senior Red Team Operator - Adversary Simulation Expert

Northwave Cyber Security; Utrecht; Hybrid; EUR 80,000 - 110,000; Full time

Benefits offered by this job

Hybrid working and international reloc

Training budget and certifications

Professional equipment provided

Office access across NL/BE/DE/SE

Job summary

Northwave Cyber Security in Utrecht is seeking an experienced Red Team / Penetration Testing Specialist to strengthen our offensive security capabilities across multiple clients and industries.

You will lead and execute advanced attack simulations, build and adapt tooling, and collaborate with Threat Intelligence, Blue Team and CERT specialists to translate findings into actionable improvements.

Qualifications

• Several years of hands-on penetration testing or red team experience.
• Strong attack-path knowledge in Windows and Active Directory environments.
• Experience with Entra ID or other cloud environments.
• Practical command-and-control, OPSEC and infrastructure skills.
• The judgement to balance operational objectives, client safety and learning value.
• Clear written and spoken English, with the ability to explain decisions and findings to both technical and non-technical audiences.
• A collaborative approach: you ask for a second pair of eyes, share what worked and help others improve.
• Eligibility to work from Belgium, Germany, the Netherlands or Sweden, and willingness to travel for client work when an engagement requires it.

Responsibilities

• Design and execute realistic attack scenarios against critical business processes and systems.
• Operate across the full attack chain: reconnaissance and initial access, command and control, privilege escalation, lateral movement and actions on objectives.
• Deliver threat-led red team exercises, alongside other advanced engagements.
• Build or adapt tooling, infrastructure and payloads when an operation requires it.
• Make sound OPSEC and risk decisions while working in live client environments.
• Translate technical activity into clear lessons for defenders, technical leaders and executives.
• Improve our tradecraft by researching new techniques, developing TTPs and sharing what you learn with the team.

Skills

Penetration testing

Red team

Windows / Active Directory

OPSEC

English proficiency

Team collaboration

Travel flexible

Tools

Entra ID

Job description

Northwave Cyber Security in Utrecht is seeking an experienced Red Team / Penetration Testing Specialist to strengthen our offensive security capabilities across multiple clients and industries.

You will lead and execute advanced attack simulations, build and adapt tooling, and collaborate with Threat Intelligence, Blue Team and CERT specialists to translate findings into actionable improvements.