4 of 4 Offensive Security Jobs in the City of London

Offensive Security Tester (Red Team) London/WFH to £70k Opportunity to progress your career as an Offensive Security Tester at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; you'll be working on Greenfield projects, collaborating with and learning from a hugely talented team. Your … role: As an Offensive Security Tester you will manage client engagements, perform security tests and report findings; you'll be using industry standard combined with in-house developed tools as well as carrying out manual reviews to discover any issues with customer infrastructure and web applications. You'll be pro-active and will have the opportunity within … a Russel Group or top tier world university - Computer Science, Engineering, Physics or Mathematics; MSc or PhD advantageous You're OSCP or CRT certified You have commercial experience with Offensive Security, Red Team testing or Penetration testing You have a keen interest in Cyber Security and understanding of key concepts and protocols You can code with any More ❯

Senior/Principal Offensive Security Consultant £100k Location: Hybrid (2 days per month in London) Salary: £80,000 - £100,000 + benefits Are you a Senior Offensive Security Consultant or Principal Penetration Tester ready to take the next step into Red Teaming and Adversarial Simulation ? This is your opportunity to join an agile, rapidly growing UK … cyber security consultancy where you can own and shape an entire offensive service line , build advanced infrastructure, and contribute to research and tooling that truly make an impact. About the Role As a Senior/Principal Offensive Consultant , you'll lead complex technical engagements that go beyond standard penetration testing - focusing on advanced exploitative infrastructure testing , Active … initiatives - including whitepapers, presentations, and thought leadership. Mentor junior consultants, helping grow the internal capability and knowledge base. About You You'll be an experienced Penetration Testing Consultant/Offensive Security Professional who combines strong technical capability with commercial awareness and client empathy. You'll thrive on pushing boundaries, building new services, and seeing your work directly shape More ❯

and Penetration Testing teams to integrate threat intelligence into testing scenarios using Breach & Attack Simulation (BAS) platforms and enhance defensive strategies. Act as a liaison between threat intelligence and offensive security teams to ensure alignment on threat modeling and adversary simulation exercises. Support threat hunting activities by providing contextual intelligence and working alongside hunt team members. Conduct threat … intelligence processes, tooling, and automation. Participate in incident response investigations, providing threat context and attribution support. Maintain awareness of global regulatory and compliance requirements related to threat intelligence and offensive security operations. Key Projects or Initiatives: Level of Autonomy: (e.g independent contributor, team-based, leadership) Threat Intelligence Analyst will play a critical role in identifying, analyzing, and communicating More ❯

Role: Red Team Operator Rate: TBC Location: London, City. Contract length: 5 months -> Perm Conversion Requirements: 3+ years of experience in offensive security, including red teaming and penetration testing Strong understanding of the MITRE ATT&CK framework and threat emulation methodologies Proficiency in offensive tools (Cobalt Strike, Sliver, Metasploit, etc.) and custom payload development Experience with evasion More ❯