Insight International (UK) Ltd
Offensive Security Tester
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Job Title: Senior Red Team Operator / Offensive Security Specialist
Contract role - 6+ months
Location: London, Bristol, Manchester, Leeds - Hybrid (2 days/week)
We are looking for an experienced Offensive Security professional with expertise in Red Teaming, Threat Emulation, Penetration Testing, and Purple Teaming. The candidate will conduct advanced security assessments, simulate real-world cyberattacks, identify vulnerabilities, and evaluate detection and response capabilities. Experience in AI/LLM Security Testing, AI Red Teaming, MITRE ATT&CK, Adversary Emulation, and Cloud Security (AWS/Azure/GCP) is highly preferred.
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Key Skills:
- Red Team Operations
- Threat & Adversary Emulation
- Penetration Testing
- Purple Teaming
- MITRE ATT&CK
- AI/LLM Security Testing
- Ethical Hacking
- Cloud Security
- Cobalt Strike, Metasploit, Burp Suite
- Incident Response & Detection Validation
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Preferred Certifications:
- OSCP
- OSEP
- CRTO
- CRTP
- GXPN
- GPEN
- CISSP
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