Network Based Systems Analyst IV

Responsibilities

• Aids the Government lead in coordinating teams during preliminary incident response investigations.
• Interacts with the customer while on-site, assisting the Government lead.
• 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 recommending security best practices.
• Writes and publishes Computer Network Defense guidance and reports on incident findings to appropriate constituencies.
• Captures 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.
• Supports real-time CND incident handling tasks, including forensic collections, intrusion correlation and tracking, threat analysis, and advising on system remediation.
• Provides technical briefings as required.

Requirements

• U.S. Citizenship with an active TS/SCI clearance.
• Ability 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.

Qualifications

• Bachelor's degree in Computer Science, Cyber Security, Computer Engineering, or related field; or equivalent combination of education and experience.

Preferred Skills

• Desired certifications: DoD 8140.01 IAT Level II, IASAE II, CSSP Analyst, GCIA, GCIH, CSSP Analyst/CSSP Incident Responder, CEH.
• 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.