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 2026-04-14