Network Based Systems Analyst - IV

o Assists the Government lead in coordinating teams in preliminary incident response investigations o Assists the Government lead with interfacing with the customer while on site o Determines appropriate courses of actions in response to identified and analyses anomalous network activity o Assesses network topology and device configurations identifying critical security concerns and providing security best practice recommendations o Assists with the writing and publishing of Computer Network Defense guidance and reports on incident findings to appropriate constituencies o Collects network intrusion artifacts (e.g., PCAP, domains, URIs, certificates, etc.) and uses discovered data to enable mitigation of potential Computer Network Defense incidents o Analyzes identified malicious network activity to determine weaknesses exploited, exploitation methods, effects on system and information o 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 o Provide technical briefings as required Required Skills: o Must have an active TS/SCI clearance o Must be able to obtain DHS Suitability o 8+ years of directly relevant experience in network investigations o In depth knowledge of CND policies, procedures and regulations o In depth knowledge of standard protocols ICMP, HTTP/S, DNS, SSH, SMTP, SMB, NFS, TCP/IP o In depth knowledge and experience of Wifi networking o In depth knowledge and experience of network topologies - DMZs, WANs, etc. o Substantial knowledge of Splunk (or other SIEMs) o Understanding of MITRE Adversary Tactics, Techniques and Common Knowledge (ATT&CK) o Knowledge of Computer Network Defense policies, procedures, and regulations o Knowledge of defense-in-depth principles and general attack stages with respect to network security architecture o Ability to characterize and analyze network traffic to identify anomalous activity and potential threats to network resources o Ability to identify and analyze anomalies in network traffic using metadata o Experience with reconstructing a malicious attack or activity based on network traffic o Experience examining network topologies to understand data flows through the network o Must be able to work collaboratively across physical locations Desired Skills: o Substantial knowledge of network device integrity concepts and methodologies o Proficiency with network analysis software (e.g. Wireshark) o Proficiency with carving and extracting information from PCAP data o Proficiency with non-traditional network traffic (e.g. Command and Control) o Proficiency with preserving evidence integrity according to standard operating procedures or national standards o 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: #J-18808-Ljbffr