Senior Penetration Tester - Red/Blue Team Lead

Brevco Services; Den Haag; Hybrid; EUR 90,000 - 130,000; Full time

Job summary

Brevco Services is seeking a security professional to lead and participate in Red/Blue Team activities and perform comprehensive penetration testing across web, infrastructure and applications. The role includes security design reviews to ensure policy compliance and ongoing consultancy across projects.

You will communicate findings to varied audiences, from executives to technical staff, and contribute to risk mitigation strategies while maintaining strong stakeholder relations.

Qualifications

• Minimum 3+ years of hands-on experience in network security and related domains.
• Experience assessing vulnerabilities across OS, software, protocols and networks.
• Proven ability to evaluate security products and technologies.
• Knowledge of UNIX and Windows system administration.
• Proficiency with penetration testing tools, techniques and methodologies.
• Scripting skills in Perl, Python, Ruby or shell.
• Strong understanding of security concepts, cryptography, malware, and defenses.
• Ability to assess risk and draft mitigation plans.
• Ability to write clear technical reports with executive summaries and remediation plans.

Responsibilities

• Lead and/or participate in Red/Blue Team exercises during NATO missions.
• Provide web, infrastructure and application level penetration testing.
• Conduct security design reviews to ensure NATO policy compliance.
• Offer security consultancy and guidance to projects and plans.
• Maintain effective communications with stakeholders, including NATO boards and security authorities.
• Present security findings and testing outcomes to executives and technical audiences.

Skills

Network security design

Vulnerability assessment

Security product eval

UNIX/Windows admin

Penetration testing

Scripting (Perl/Python)

Security fundamentals

Risk mitigation

Technical reporting

Job description

Brevco Services is seeking a security professional to lead and participate in Red/Blue Team activities and perform comprehensive penetration testing across web, infrastructure and applications. The role includes security design reviews to ensure policy compliance and ongoing consultancy across projects.

You will communicate findings to varied audiences, from executives to technical staff, and contribute to risk mitigation strategies while maintaining strong stakeholder relations.