Drimva

Node.Digital

Network Based System Analyst

Arlington, Virginia · Full-time · Posted Aug 18, 2025

Experience
5+ years of directly relevant network investigations experience; education alternative: HS Diploma and 7–9 years of network investigations experience.
Education
BS in Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma and 7–9 years of network investigations experience.

About the job

Monitors and analyzes network activity to detect threats, investigate incidents, collect forensic artifacts, and support mitigation and remediation for a government cybersecurity mission.

What you'll do

  • Coordinate preliminary incident response investigations and customer interactions with the Government lead.
  • Analyze anomalous and malicious network activity, network configurations, and device integrity to identify risks and recommend actions.
  • Collect network intrusion and forensic data and support incident handling, threat analysis, and system remediation.

What they ask for

  • U.S. citizenship and 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 and procedures, TCP/IP and standard protocols, WiFi networking, network topologies, and Splunk or another SIEM.
  • Ability to analyze network traffic and metadata, reconstruct malicious activity, and collaborate across physical locations.

Nice to have

  • Network analysis software proficiency, including Wireshark; PCAP analysis; network device integrity; virtualized environments.
  • Desired certifications include DoD 8140.01 IAT Level II, IASAE II, CSSP Analyst, GCIA, GCIH, CEH; SANS GIAC GNFA preferred.

Tools

TCP/IP, ICMP, HTTP/S, DNS, SSH, SMTP, SMB, NFS

Model-written summary · the original posting is authoritative

First seen Oct 29, 2026 · Last verified Nov 4, 2026 (UTC)