Network Based Systems Analyst - Iv - Nba04

Network Based Systems Analyst - IV - NBA04 - Expert

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. Solutions3 supports a large prime contractor who provides support for on and offsite incident response to Government agencies and critical infrastructure owners who experience cyber-attacks. The program 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. Solutions3 is seeking Network Forensics Cybersecurity 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 actions 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, URI’s, 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
Required Skills:
- U.S. Citizenship
- Must have an active TS/SCI clearance
- Must be able to obtain DHS Suitability
- 8+ years of directly relevant experience in network investigations
- In depth knowledge of CND policies, procedures and regulations
- In depth knowledge of standard protocols – ICMP, HTTP/S, DNS, SSH, SMTP, SMB, NFS, TCP/IP
- In depth knowledge and experience of Wifi networking
- In depth knowledge and experience of network topologies - DMZ’s, WAN’s, etc.
- Substantial knowledge of Splunk (or other SIEM’s)
- Understanding of MITRE Adversary Tactics, Techniques and Common Knowledge (ATT&CK)
- Knowledge of Computer Network Defense policies, procedures, and regulations
- Knowledge of defense-in-depth principles and general attack stages with respect to network security architecture
- Ability to characterize and analyze network traffic to identify anomalous activity and potential threats to network resources
- Ability to identify and analyze anomalies in network traffic using metadata
- Experience with reconstructing a malicious attack or activity based on network traffic
- Experience examining network topologies to understand data flows through the network
- Must be able to work collaboratively across physical locations
Desired Skills:
- Substantial knowledge of network device integrity concepts and methodologies
- Proficiency with network analysis software (e.g. Wireshark)
- Proficiency with carving and extracting information from PCAP data
- Proficiency with non-traditional network traffic (e.g. Command and Control)
- Proficiency with preserving evidence integrity according to standard operating procedures or national standards
- Proficiency with virtualized environments
Required Education:
BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 10+ years of network investigations experience.
Desired Certifications:
- DoD 8140.01 IAT Level II, IASAE II, CSSP Analyst, GCIA, GCIH, CSSP Analyst/CSSP Incident Responder, CEH
- SANS GIAC GNFA preferred

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