Senior Cybersecurity Professional
Description:
Senior Cybersecurity Professional
Role Responsibilities
- Evaluate AI models for threat detection, incident response, and attack simulation. Apply real-world adversarial and defensive expertise.
- Investigate and analyze security incidents using SIEM, EDR/XDR, and other tools. Classify adversary behavior with MITRE ATT&CK.
- Simulate adversarial thinking to identify detection gaps and bypass techniques. Stress-test AI systems against realistic red-team scenarios.
- Provide structured reasoning and feedback to improve AI threat analysis and detection accuracy.
- Work independently and asynchronously in a flexible remote engagement.
Qualifications Must-Have
- 5+ years in cybersecurity. Experience as SOC Analyst, Incident Responder, Detection Engineer, Threat Hunter, Red Team Operator, or Security Consultant.
- Hands-on experience with real-world security incidents.
- Strong skills with SIEM platforms, EDR/XDR tools, and network traffic analysis.
- Familiarity with MITRE ATT&CK and detection engineering.
Preferred
- Certifications: OSCP, OSEP, CRTO, GCIA, GCFA, GCIH, CISSP.
- Experience mentoring junior analysts or red team members.
- Scripting proficiency in Python, PowerShell, Bash.
| Organization | Mercor |
| Industry | IT / Telecom / Software Jobs |
| Occupational Category | Senior Cybersecurity Professional |
| Job Location | London, UK |
| Shift Type | Morning |
| Job Type | Full Time |
| Gender | No Preference |
| Career Level | Experienced Professional |
| Experience | 5 Years |
| Posted at | 2026-02-28 4:19 pm |
| Expires on | 2026-12-07 |