Network Systems Security Analyst IV

2 weeks ago


Arlington, Virginia, United States Solutions³ LLC Full time
Job Summary

Solutions³ LLC is seeking a highly skilled Network Systems Security Analyst IV to support our prime contractor and their U.S. Government customer on a large mission critical development and sustainment program for on and offsite incident response to Government agencies and critical infrastructure owners who experience cyber-attacks.

Key Responsibilities
  • Assist the Government lead in coordinating teams in preliminary incident response investigations
  • Interface with the customer while on site
  • Determine appropriate courses of actions in response to identified and analyzed anomalous network activity
  • Assess network topology and device configurations identifying critical security concerns and providing security best practice recommendations
  • Write and publish Computer Network Defense guidance and reports on incident findings to appropriate constituencies
  • Collect network intrusion artifacts and use discovered data to enable mitigation of potential Computer Network Defense incidents
  • Analyze identified malicious network activity to determine weaknesses exploited, exploitation methods, effects on system and information
  • Provide technical briefings as required
  • Assist with real-time CND incident handling tasks to support onsite engagements
Requirements
  • 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
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
Desired Certifications
  • DoD IAT Level II, IASAE II, CSSP Analyst, GCIA, GCIH, CSSP Analyst/CSSP Incident Responder, CEH
  • SANS GIAC GNFA preferred
Education

BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma and 10+ years of network investigations experience



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