Incident Response Professional

16 hours ago


Arlington, Virginia, United States Gray Tier Technologies LLC Full time
Job Summary:

Gray Tier Technologies LLC is seeking a highly skilled Cyber Threat Hunter SME to support The Department of Homeland Security (DHS) Hunt and Incident Response Team (HIRT). This role will involve providing remote and onsite advanced technical assistance for proactive hunting, rapid onsite incident response, and immediate investigation and resolution using host-based, network-based and cloud-based cybersecurity analysis capabilities.

Key Accountabilities:
  1. Perform event correlation using information gathered from a variety of sources within the enterprise to gain situational awareness and determine the effectiveness of an observed attack.
  2. Assess network topology and device configurations identifying critical security concerns and providing security best practice recommendations.
  3. Collects network intrusion artifacts (e.g., PCAP, domains, URI's, certificates, etc.) and uses discovered data to enable mitigation of potential incidents.
  4. Collects network device integrity data and analyze for signs of tampering or compromise.
  5. Analyzes identified malicious network and system log activity to determine weaknesses exploited, exploitation methods, effects on system and information.
  6. Tracking and documenting on-site incident response activities and providing updates to leadership through executive summaries and in-depth technical reports.
  7. Planning, coordinating and directing the inventory, examination and comprehensive technical analysis of computer related evidence.
  8. Serving as technical forensics liaison to stakeholders and explaining investigation details.
Skills and Qualifications:
  • U.S. Citizenship.
  • Must have an active Secret clearance (TS/SCI eligible) and be able to obtain DHS Suitability.
  • 8+ years of directly relevant experience in cyber forensic and network investigations using leading edge technologies and industry standard forensic tools.
  • Experience with reconstructing a malicious attack or activity.
  • Ability to characterize and analyze network traffic, identify anomalous activity / potential threats, analyze anomalies in network traffic using metadata.
  • Ability to create forensically sound duplicates of evidence (forensic images).
  • Able to write cyber investigative reports documenting forensics findings.
Salary Range:

$120,000 - $180,000 per year.



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