Penetration Tester - Vulnerability Researcher

Thales
Bristol
Workplace: RemoteFull timeFunction: CybersecurityEducation: bachelorsSkills: ["Communication","Risk assessment","Stakeholder collaboration","Technical writing","Governance"]

Perform penetration testing across IT and OT environments, identifying and exploiting vulnerabilities in Windows, Linux, mobile (iOS/Android), web applications, and cloud systems. Communicate security risks clearly, advise on security controls and mitigations, and contribute to governance, policies, and accreditation/assurance activities. Produce through-life technical reports and act as a cybersecurity SME while collaborating with internal teams, customers, and external stakeholders.

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FursaFursa
Thales
Thales
1 month ago

Penetration Tester - Vulnerability Researcher

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI
Last checked: 8 hours agoStatus: Live

Job Summary

Perform penetration testing across IT and OT environments, identifying and exploiting vulnerabilities in Windows, Linux, mobile (iOS/Android), web applications, and cloud systems. Communicate security risks clearly, advise on security controls and mitigations, and contribute to governance, policies, and accreditation/assurance activities. Produce through-life technical reports and act as a cybersecurity SME while collaborating with internal teams, customers, and external stakeholders.
Location: Bristol
Workplace: Remote
Employment Type: Full time
Job Function: Cybersecurity

Key Responsibilities

  • •Conduct penetration testing across Windows, Linux, mobile (iOS/Android), web applications, and cloud environments.
  • •Identify, exploit, and communicate security vulnerabilities, risks, and impacts clearly.
  • •Support accreditation and assurance activities on complex, high-security programmes.
  • •Advise on security controls and mitigation strategies aligned to customer needs.
  • •Produce high-quality technical reports and through-life security documentation while acting as a cybersecurity SME.

Pay and Benefits

Perks:Health InsurancePensionLife CoverAnnual BonusGym Membership

Key Requirements

  • •Hands-on penetration testing experience across diverse platforms in IT and/or OT environments.
  • •Strong understanding of security testing methodologies and frameworks.
  • •Ability to produce clear, actionable technical reports.
  • •Degree in Computer Science, Engineering, or equivalent experience.
  • •Industry certifications such as CREST, OSCP, CEH, GPEN, GXPN (or similar).
Experience:DefenceAerospaceGovernmentRegulated industries
Education:Bachelor's in Computer Science, Engineering
Skills:CommunicationRisk assessmentStakeholder collaborationTechnical writingGovernance
Certifications:CRESTOSCPCEHGPENGXPN
Tech Stack:Penetration testingWindowsLinuxIOSAndroidWeb applicationsCloud environmentsIT environmentsOT environmentsBiometricsEncryptionSecure software

Eligibility

Nationality:UK National
Security Clearance:SC

Company Brief

Thales
Designs and delivers advanced systems and services for aerospace, defence, security, and digital identity and cybersecurity markets, serving government and commercial customers worldwide.
Industry: Defense Technology
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: Paris, France
Founded: 2000
WebsiteLinkedIn