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Senior Security Consultant, Emergent Threat & Exploit Researcher

United Kingdom · Job Posted April 23, 2026

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Job Description

Do you enjoy attacking networks? Do you enjoy sifting through large amounts of attack surface, crafting novel attack chains to breach a client’s perimeter, gaining initial access, laterally moving, and demonstrating impact, all while evading security teams and their controls? As a penetration tester on the Global Services team at Rapid7, you will help our clients improve their security posture through your technical skills and knowledge of both offensive and defense strategies. Vector Command is an always-on Red Team operation supporting multiple customers. As part of a specialized team, you will emulate real adversaries by performing large-scale reconnaissance, identifying exposed or high-value assets, and discovering weaknesses that can be leveraged for compromise. After gaining access, the team continues with post-compromise objectives to demonstrate real impact, evade detection, and assess the effectiveness of security controls. This service evaluates far more than vulnerabilities—it tests the customer’s entire security posture and defense-in-depth strategy. In addition to offensive operations, you will support customers through external attack surface analysis, exposure reconnaissance, integration of accounts and tools, preparation of monthly Red Team reports, and prioritization of customer requests. Daily collaboration with Vector Command operators is essential, as is maintaining awareness of new vulnerabilities, shifts in customer attack surfaces, and changes across customer environments.

Job Responsibility

  • Deliver Rapid7’s Vector Command Continuous Red Teaming service
  • Evaluate large external attack surfaces to identify vulnerabilities that enable initial access
  • Collaborate closely with a team of Red Team operators, participating in daily meetings
  • Analyze, develop, and exploit N-day and newly released zero-day vulnerabilities
  • Identify novel attacks through black-box evaluation of customer web applications
  • Develop and maintain positive relationships with clients
  • Participate in industry conferences and professional organizations
  • Create additional value for clients through continual insights and consultative advice
  • Translate technical concepts and convey them to non-security personnel
  • Mentor and coach junior staff
  • Meet professional practice standards and demonstrate exceptional skill in core service areas

Requirements

  • 5+ years in an active technical security role & 4+ years Penetration Testing Consulting experience
  • Expert knowledge of Modern penetration testing tools and methods
  • Network and web-based application security concepts
  • Windows/Linux/UNIX internals
  • Exploit research and development
  • Experience using multiple interpreted languages (Ruby, Python, PHP, etc.) and compiled languages (Java, C, C++, Assembly, etc.)
  • Technical competencies, including previous technical consulting experience
  • High quality report writing and peer reviewing
  • Strong knowledge of common regulatory structures and obligations and common I.T. governance
  • The ability to effectively lead teams of penetration testers while on engagements
  • Be comfortable explaining findings and recommendations to technical and non-technical audiences including C-Level and Board briefings
  • Bug Bounty experience, identifying novel vulnerabilities in arbitrary internet-facing attack surfaces
  • Excellent communication skills both with internal and external stakeholders
  • Collaborative mindset, contributing to knowledge sharing and cross training
  • Demonstrate a commitment to the end-to-end testing process
  • Core Value Embodiment

Nice to have

  • Certifications such as OSCP, OSCE, GXPN, OSEE, CREST
  • Experience with Red & Purple Teams

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