Network Based Systems Analyst L3 with Security Clearance

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

• 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 analyze 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 Required Skills:
U.S. Citizenship
Must have an active TS/SCI clearance
Must be able 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 - 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 & 7-9 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