Network Based Systems Analyst III

DigiFlight, Inc.; Arlington (VA); On-site; USD 85,000 - 120,000; Full time

Job summary

DigiFlight, Inc. is seeking a Network Based Systems Analyst III in Arlington, VA. The role focuses on supporting incident response investigations, analyzing network activity, and providing security recommendations. Candidates must have US citizenship and an active TS/SCI clearance, alongside extensive experience in network investigations. Preferred skills include proficiency with tools like Splunk and Wireshark. This role requires the ability to analyze network traffic and collaborate across teams, with the potential for domestic travel.

Qualifications

• 5+ years of directly relevant experience in network investigations.
• Active TS/SCI clearance required.
• Ability to obtain DHS Suitability.

Responsibilities

• Assist in coordinating teams for incident response investigations.
• Analyze network anomalies and provide remediation recommendations.
• Collect and analyze network intrusion artifacts.

Skills

Network investigations

CND policies and procedures

TCP/IP protocols

WiFi networking

Splunk

Network traffic analysis

Education

BS in Computer Science, Cyber Security, Computer Engineering, or related field

HS Diploma & 7–9 years experience

Tools

Wireshark

PCAP data analysis

Job description

Role

Network Based Systems Analyst III - TS/SCI, Arlington, VA

Overview

Role description: Network Based Systems Analyst III.

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 action in response to identified and analyzed anomalous network activity
• Assesses network topology and device configurations identifying critical security concerns and providing security best practice recommendations
• Assists with the writing and publishing of Computer Network Defense guidance and reports on incident findings to appropriate constituencies
• 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 analyzes 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
• Assists with developing analytic solutions for mapping network traffic back to Threat TTPs
• Provides input to the Government lead in developing processes, standards, WI’s, or SOPs

Required Skills

• U.S. Citizenship
• Active TS/SCI clearance
• Ability 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 - DMZs, WANs, etc.
• Substantial knowledge of Splunk (or other SIEMs)
• Understanding of MITRE Adversary Tactics, Techniques and Common Knowledge (ATT&CK)
• 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 travel domestically on short notice
• Must be able to work collaboratively across physical locations

Required Education

BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 7-9 years of network investigations experience.

Preferred 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)
• Knowledge of ICS/OT protocols
• Substantial knowledge of Arkime
• Experience with network sensors (e.g., Corelight, Cisco FMC, Suricata)

Desired Certifications

• DoD 8140.01 IAT Level II, IASAE II, CSSP Analyst, GCIA, GCIH, CSSP Analyst/CSSP Incident Responder