Senior Cyber Defense & Incident Response Analyst

Nightwing Technologies, LLC; Arlington (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

Nightwing Technologies, LLC seeks a Cyber Network Defense Analyst to support a U.S. Government customer in Arlington, VA. The role emphasizes on onsite incident response, detection of intrusions, and rapid mitigation planning within a seasoned cyber defense team.

Responsibilities include characterizing network traffic, validating alerts, documenting incidents, and developing signatures to strengthen defenses. Candidates must hold TS/SCI clearance and U.S.

Qualifications

• U.S. Citizenship is required.
• Active TS/SCI clearance required.
• 8+ years of direct relevant cyber defense experience.
• Experience developing and deploying signatures.
• Experience detecting intrusions with IDS such as Snort.
• Experience implementing incident handling methodologies.
• Experience implementing protocol analyzers.
• Experience collecting data from multiple cyber defense resources.
• Experience reading and interpreting signatures (e.g. Snort).
• Experience performing packet-level analysis.

Responsibilities

• Characterize and analyze network traffic to identify anomalous activity.
• Coordinate with enterprise cyber defense staff to validate 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

Skills

U.S. Citizenship

TS/SCI clearance

DHS EOD Suitability

8+ years of direct relevant experience

developing and deploying signatures

intrusion detection technologies (e.g.

incident handling methodologies

protocol analyzers

data from cyber defense resources

packet-level analysis

trend analysis

Python programming

Carnegie Mellon SiLK tool suite

Education

BS Computer Science, Cyber Security, Computer Engineering, or related degree

HS Diploma & 10 years of network investigations experience

Tools

Carnegie Mellon SiLK tool suite

Job description

Nightwing Technologies, LLC seeks a Cyber Network Defense Analyst to support a U.S. Government customer in Arlington, VA. The role emphasizes on onsite incident response, detection of intrusions, and rapid mitigation planning within a seasoned cyber defense team.

Responsibilities include characterizing network traffic, validating alerts, documenting incidents, and developing signatures to strengthen defenses. Candidates must hold TS/SCI clearance and U.S.