Senior Threat Hunter

7 days ago

Bucharest, Bucureşti, Romania Banca Transilvania Full time

Key Responsibilities

  • Proactive Threat Hunting
    :
  • Identify stealthy threats and advanced persistent threats (APTs) that bypass traditional detection systems
  • Conduct proactive threat hunting across endpoints, networks, and cloud environments
  • Analyze telemetry data to identify anomalous activity and advanced persistent threats (APTs)
  • Hypothesis Development
    :
  • Build and test hypotheses based on threat trends and attacker behavior
  • Threat Intelligence Integration
    :
  • Use threat intelligence to correlate suspicious indicators with potential adversary tactics
  • Leverage internal and external intelligence feeds to enrich hunting campaigns
  • Stay current on emerging threats, vulnerabilities, and attack methodologies
  • Familiar with the most well-known ATP targeting banking sector and their TTPs
  • Tooling & Automation
    :
  • Develop custom scripts, queries, and detection logic using Python, PowerShell, and YARA
  • Collaboration
    :
  • Collaborate with SOC, GRC and Incident Response teams to strengthen detection capabilities, to escalate and remediate threats effectively
  • Reporting & Documentation:
  • Produce detailed reports and visualizations for technical and non-technical stakeholders

Required Skills & Qualifications

  • 5+ years of hands-on cybersecurity experience, including at least 2 years of threat hunting, incident response, or red teaming
  • Strong understanding of attacker techniques and tactics (MITRE ATT&CK, kill chain methodology)
  • Experience with SIEM (Splunk, QRadar, LogRhythm), XDR (CrowdStrike, SentinelOne, Cortex), NDR (Darktrace, Vectra AI) , and threat intel platforms
  • Expertise in log analysis, behavioral analytics, and anomaly detection
  • Experience in scripting languages: Python, PowerShell, Bash
  • Familiarity with banking-specific threats: ATM malware, SWIFT network compromises, credential stuffing in online banking
  • Excellent analytical, problem-solving, and communication skills
  • Bachelor's degree in Computer Science, Cybersecurity, or related field (preferred but not mandatory)

Desirable Extras

  • Certifications: GCTI, GCFA, OSCP or equivalent
  • Experience with threat hunting platforms and threat intel feeds
  • Experience with underground cybersecurity criminal forums
  • Previous experience in financial or banking sector cybersecurity operations

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