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Ernst & Young

Global professional services: consulting, assurance, tax

Senior Ethical Hacker - Cybersecurity

Offensive Security & TestingUpdated on Nov 14
Full-timeAmsterdam, NetherlandsNo salary listedIn-person

About the Job

Requirements

  • Have a technical background and be able to advise organizations on strengthening cyber resilience.
  • Maintain trusted-advisor relationships and apply current national and international cybersecurity industry standards.
  • Understand security measures in complex IT architectures and cloud, web, and mobile applications, and advise on them.
  • Have knowledge of networks, protocols, secure architectures, and the configuration of Microsoft and Linux platforms, and be able to identify configuration errors across different technologies.
  • Communicate advice verbally and in writing in both Dutch and English to system administrators, developers, team leads, and senior management.

Responsibilities

  • Proactively identify cybersecurity risks and vulnerabilities, monitor threats, and investigate the effects of real-world attacks.
  • Assess the effectiveness of technical security measures in complex IT environments and advise on improvements.
  • Maintain client relationships and translate client challenges into concrete engagements.
  • Coordinate and conduct penetration tests on cloud applications, platforms, and infrastructure; social engineering assessments; architecture reviews; configuration reviews; and source code reviews.
  • Conduct complex red team engagements using the TIBER framework, design improvement plans, and guide clients in implementing them.
  • Report and present advice to audiences including system administrators, developers, team leads, and senior management.
  • Coordinate penetration tests and other technical security investigations and guide junior advisers in this work.

Desired Qualifications

  • Designing, developing, or reviewing complex cloud environments on Azure, AWS, or Google Cloud Platform.
  • Relevant security certifications such as OSCP, OSWE, OSCE, GPEN, or GXPN.

About the Company

Ernst & Young

Global professional services: consulting, assurance, tax

EY (Ernst & Young) provides professional services at a global scale, offering consulting, assurance, tax, and transaction advisory services. It serves clients across industries such as technology, media, real estate, hospitality, and construction. Instead of selling a single product, EY works with clients through tailored engagements where cross-disciplinary teams analyze challenges, design strategies, perform audits, help with tax planning, and assist with mergers or divestitures. What sets EY apart is its worldwide reach and integrated service model, industry-specific expertise, and focus on responsible business practices like sustainability, cybersecurity, and workforce flexibility. EY’s goal is to help organizations improve performance, manage risk, and achieve sustainable growth while building a better working world.

Company size
5,001-10,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Boston, MA
Founded
1991

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