Gridiron IT is seeking a Cyber Network Defense Analyst (CNDA) to support this critical customer mission. 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
- Perform management duties as required to support the team, projects and analysts
- 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/Clearances:
- 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