Network Based Systems Analyst - II

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 (including event's history, status, and potential impact for further action) 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

Required Skills :

• U.S. Citizenship
• Active TS / SCI clearance
• Ability to obtain Department of Homeland Security (DHS) Entry on Duty (EOD) Suitability
• 2+ 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 & 4+ 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+
30+ days ago