Cyber Network Defense Analyst IV

4 weeks ago

Arlington, Virginia, United States Argo Cyber Systems Full time
Job Title: Cyber Network Defense Analyst IV

Argo Cyber Systems is seeking a highly skilled Cyber Network Defense Analyst IV to join our team. As a key member of our cybersecurity team, you will be responsible for monitoring and analyzing network activity to identify potential threats and protect our systems and data.

Key Responsibilities:
  • Characterize and analyze network traffic to identify anomalous activity and potential threats to network resources
  • Coordinate with enterprise-wide cyber defense staff to validate network alerts
  • Document and escalate incidents that may cause ongoing and immediate impact to the environment
  • Perform cyber defense trend analysis and reporting
  • Perform event correlation using information gathered from a variety of sources within the enterprise to gain situational awareness and determine the effectiveness of an observed attack
  • Provide daily summary reports of network events and activity relevant to cyber defense practices
  • Receive and analyze network alerts from various sources within the enterprise and determine possible causes of alerts
  • Provide timely detection, identification, and alerting of possible attacks/intrusions, anomalous activities, and misuse activities and distinguish these incidents and events from benign activities
  • Use cyber defense tools for continual monitoring and analysis of system activity to identify malicious activity
  • Analyze identified malicious activity to determine weaknesses exploited, exploitation methods, effects on system and information
  • Identify and analyze anomalies in network traffic using metadata
  • Validate intrusion detection system (IDS) alerts against network traffic using packet analysis tools
  • Identify applications and operating systems of a network device based on network traffic
  • Reconstruct a malicious attack or activity based off network traffic
  • Identify network mapping and operating system (OS) fingerprinting activities
  • Assist in the construction of signatures which can be implemented on cyber defense network tools in response to new or observed threats within the network environment or enclave
Requirements:
  • U.S. Citizenship
  • Active TS/SCI clearance
  • Ability to obtain Department of Homeland Security (DHS) Entry on Duty (EOD) Suitability
  • 8+ years of direct relevant experience in cyber defense analysis using leading edge technologies and industry standard cyber defense tools
  • Experience successfully developing and deploying signatures
  • Experience detecting host and network-based intrusions via intrusion detection technologies (e.g., Snort)
  • Experience implementing incident handling methodologies
  • Experience implementing protocol analyzers
  • Experience collecting data from a variety of cyber defense resources
  • Experience reading and interpreting signatures (e.g. snort)
  • Experience performing packet-level analysis
  • Experience conducting trend analysis
Desired Skills:
  • Python programming experience
  • Strong math and science background
  • Experience with Carnegie Mellon SiLK tool suite
Required Education:

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

Desired Certifications:

  • One or more of the following professional certifications: GNFA, GCIH, GCIA, GSEC, CASP+, CySA+, PaLMS, FedVTE

GSEC (SANS401), Arcsight (or other SEIM solution), Network+, Security+

Argo Cyber Systems is an Equal Opportunity Employer.

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