Cyber Network Defense Analyst IV
4 hours ago
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
- 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
- Python programming experience
- Strong math and science background
- Experience with Carnegie Mellon SiLK tool suite
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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