Offensive Security Tester

NTT London, England Mar 17, 2026

Type Full Time
Pay Not listed
Work Onsite

Offensive Security Tester focuses on manage the full lifecycle of complex penetration testing engagements, applying a strong threat intelligence-led approach.

What the role involves

  • Manage the full lifecycle of complex penetration testing engagements, applying a strong threat intelligence-led approach.
  • Execute advanced penetration tests across a broad range of environments (applications, infrastructure, web, APIs, O365, Azure, AWS, OT), directly applying your knowledge of current.
  • Maintain sophisticated test plans, execution plans, and targeted use cases directly informed by in-depth threat intelligence analysis.
  • Schedule penetration testing engagements based on comprehensive threat assessments and client-specific requirements.
  • Clearly and effectively communicate complex security concepts, adversarial tactics, and critical threat intelligence insights to diverse audiences.
  • Collaborate closely with client IT and cybersecurity teams to drive the enhancement of security protocols.

Skills and requirements

  • Minimum of 5 years of demonstrable professional experience in penetration testing, with a strong emphasis on understanding, emulating, and leveraging adversarial tactics and threat.
  • Proven experience in scoping and executing complex penetration tests, particularly those directly informed and driven by threat intelligence.
  • Strong organizational and time management skills, with a proven ability to effectively manage and prioritize multiple concurrent engagements.
  • Hands-on experience with security reviews of AWS, Azure, and GCP environments, incorporating cloud-specific threats.

Additional role context

  • As a $30+ billion business and technology services, AI and digital infrastructure leader, we co-innovate solutions with clients and partners globally for business and societal impa.
  • Serving 75% of the Fortune Global 100, with experts in over 70 countries, we encourage experimentation and recognize great work.
  • Proudly a Global Top Employer, NTT DATA is part of NTT Group, which invests over $3 billion annually in R&D.
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