Senior Penetration Tester/Red Team Operator

NTT
Belgium
Workplace: HybridFull timeFunction: CybersecurityExperience: 4-5 yearsSkills: ["Communication","Teamwork","Research mindset","Client advisory","Collaboration"]

Lead end-to-end penetration testing and full-spectrum red team/adversary simulation across web, mobile, desktop, infrastructure, Active Directory/hybrid identity, and cloud (Azure, AWS, GCP, M365). Design intelligence-led attack scenarios, craft phishing/social engineering campaigns, and bypass controls using low-noise techniques. Dedicate time to R&D, publish research, and support Purple Team exercises while translating client needs into proposals and mentoring junior consultants.

Loading

Loading job details...

Preparing the role view and application actions.

FursaFursa
NTT
NTT
2 months ago

Senior Penetration Tester/Red Team Operator

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 9 days agoStatus: Live

Job Summary

Lead end-to-end penetration testing and full-spectrum red team/adversary simulation across web, mobile, desktop, infrastructure, Active Directory/hybrid identity, and cloud (Azure, AWS, GCP, M365). Design intelligence-led attack scenarios, craft phishing/social engineering campaigns, and bypass controls using low-noise techniques. Dedicate time to R&D, publish research, and support Purple Team exercises while translating client needs into proposals and mentoring junior consultants.
Location: Belgium
Workplace: Hybrid
Employment Type: Full time
Job Function: Cybersecurity
Seniority: Mid level

Key Responsibilities

  • •Lead technical security engagements, including scoping, penetration testing, analysis, reporting, and client presentations.
  • •Design and deliver adversary simulation using intelligence-led scenarios grounded in real threat actor TTPs.
  • •Develop phishing and social engineering campaigns and use low-noise techniques to bypass modern defensive controls (EDR/XDR, MFA).
  • •Drive R&D by developing new tooling, novel attack techniques, and researching/responsibly disclosing vulnerabilities (including 0-days).
  • •Support pre-sales by capturing client needs into commercial proposals and mentor junior consultants through projects and skill development.
Travel: Low travel

Pay and Benefits

Perks:Annual BonusMeal AllowanceHealth InsuranceDisability InsuranceCompany Car

Key Requirements

  • •4-5 years of proven experience in Penetration Testing/Red Team Operations.
  • •Proven experience leading or delivering Red Team and/or adversary simulation engagements in complex enterprise environments.
  • •Deep understanding of Active Directory, hybrid identity, and cloud attack surfaces.
  • •Hands-on experience developing or adapting TTPs beyond standard frameworks, including researching abuse paths or novel vulnerabilities.
  • •Strong written and verbal communication skills, able to present findings to a CISO; comfort advising clients and stakeholders.
Experience:4-5 years
Skills:CommunicationTeamworkResearch mindsetClient advisoryCollaboration
Licenses:Driving license (category B)
Certifications:CRTOCRTEOSEDOSEPCCRTS
Languages:FrenchDutchEnglish
Tech Stack:Active DirectoryADEntra IDAzureAWSGCPM365EDRXDRMFAPhishingSocial engineeringOT/ICSContainersC2

Eligibility

Security Clearance:NATO security clearance

Company Brief

NTT
Dimension Data, operating under NTT Ltd, provides managed IT services, cloud and data center solutions, networking, cybersecurity, and digital transformation services to enterprise customers worldwide.
Industry: Professional Services
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Established Company
Valuation: Public Company (Market Cap in USD)
Headquarters: London, United Kingdom
Founded: 1983
WebsiteLinkedIn