Network Systems Analyst III

Role

Network Based Systems Analyst III - TS/SCI, Arlington, VA

Role description:
Network Based Systems Analyst III.

• 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 analyzed 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
• Collects network device integrity data and analyzes for signs of tampering or compromise
• 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
• Assists with developing analytic solutions for mapping network traffic back to Threat TTPs
• Provides input to the Government lead in developing processes, standards, WI’s, or SOPs

• U.S. Citizenship
• Active TS/SCI clearance
• Ability to obtain DHS Suitability
• 5+ years of directly relevant experience in network investigations
• In-depth knowledge of CND policies, procedures, and regulations
• In-depth knowledge of TCP/IP protocols
• In-depth knowledge of standard protocols – ICMP, HTTP/S, DNS, SSH, SMTP, SMB, NFS, etc.
• In-depth knowledge and experience of WiFi networking
• In-depth knowledge and experience of network topologies - DMZs, WANs, etc.
• Substantial knowledge of Splunk (or other SIEMs)
• Understanding of MITRE Adversary Tactics, Techniques and Common Knowledge (ATT&CK)
• 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 travel domestically on short notice
• Must be able to work collaboratively across physical locations

BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 7-9 years of network investigations experience.

• 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)
• Knowledge of ICS/OT protocols
• Substantial knowledge of Arkime
• Experience with network sensors (e.g., Corelight, Cisco FMC, Suricata)

• DoD 8140.01 IAT Level II, IASAE II, CSSP Analyst, GCIA, GCIH, CSSP Analyst/CSSP Incident Responder