Cyber Network Defense Analyst II

Nightwing is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize the severity of breaches, develop mitigation plans, and assist with the restoration of services. Nightwing is seeking a Cyber Network Defense Analyst 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 Document and elevate 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 5+ 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 & 7+ years of network investigations experience. Desired Certifications GNFA, GCIH, GCIA, GSEC, CASP+, CySA+, PaLMS, FedVTE, GSEC (SANS401), Arcsight (or other SEIM solution), Network+, Security+ Arlington, VA Nightwing is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class. #J-18808-Ljbffr