The DHS's Hunt and Incident Response Team (HIRT) secures the nation's infrastructure. HIRT provides DHS's front-line response for cyber incidents and proactive hunting for malicious cyber activity. Our team provides support for on and offsite incident response to Government agencies and critical infrastructure owners who experience cyber-attacks. Our team provides HIRT advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation, using host and network-based cybersecurity analysis capabilities. Personnel perform investigations to characterize the level of severity of breaches and develop mitigation/remediation plans. Gray Tier Technologies is seeking Network- based Systems Analysts to support this critical customer mission.
Responsibilities:
- Assists the Government lead in coordinating teams in preliminary incident response investigations
- Assists the Government lead with interfacing with the customer while on-site
- Determines appropriate courses of action in response to identified and analyses anomalous network activity
- Assesses network topology and device configurations identifying critical security concerns and providing security best practice recommendations
- Assists with the writing and publishing of Computer Network Defense guidance and reports on incident findings to appropriate constituencies
- Collects network intrusion artifacts (e.g., PCAP, domains, URIs, certificates, etc.) and uses discovered data to enable mitigation of potential Computer Network Defense incidents
- Analyzes identified malicious network activity to determine weaknesses exploited, exploitation methods, effects on system and information
- Assists with real-time CND incident handling (i.e., forensic collections, intrusion correlation, and tracking, threat analysis, and advising on system remediation) tasks to support onsite engagements
- Provide technical briefings as required
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