Cyber Defense Analyst II – Network & Host Forensics

Solutions³ LLC; Arlington (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

Solutions³ LLC is seeking a Host Based Systems Analyst II to support a government mission, performing cyber defense analysis, DFIR, and threat hunting across host, network, and cloud environments. Responsibilities include incident response, trend analysis, and signature development for defense tools.

Must have active TS/SCI clearance, be a US citizen, and able to obtain DHS suitability. Prior experience with Snort and protocol analyzers is required.

Qualifications

• 5+ years of direct relevant experience in cyber defense analysis
• Active TS/SCI clearance and ability to obtain DHS suitability
• US citizen
• Experience developing and deploying signatures
• Experience detecting host and network-based intrusions via IDS technologies (e.g., Snort)
• Experience implementing incident handling methodologies
• Experience implementing protocol analyzers
• Experience collecting data from cyber defense resources
• Experience reading and interpreting signatures (e.g. Snort)
• Experience performing packet-level analysis
• Experience conducting trend analysis

Responsibilities

• Characterize and analyze network traffic to identify anomalous activity and threats
• Coordinate with cyber defense staff to validate network alerts
• Document incidents and escalation history for action
• Perform cyber defense trend analysis and reporting
• Perform event correlation to gain situational awareness of observed attacks
• Provide daily summaries of network events relevant to cyber defense
• Receive and analyze alerts to determine possible causes
• Provide timely detection of possible attacks and anomalies
• Use cyber defense tools for continual monitoring and analysis
• Analyze identified malicious activity to determine weaknesses and exploitation methods
• Determine TTPs for intrusion sets
• Examine network topologies and data flows
• Identify anomalies in network traffic using metadata
• Conduct cross-source data analysis and correlation
• Validate IDS alerts against traffic with packet analysis
• Identify devices OS from traffic
• Reconstruct malicious activity from traffic
• Identify network mapping and OS fingerprinting
• Assist in signature development for new threats
• Notify managers and responders per incident response plan

Skills

Signature development

Intrusion detection

Incident handling

Protocol analyzers

Data collection

Signature interpretation

Packet-level analysis

Trend analysis

Education

BS in Computer Science / Cybersecurity / Computer Engineering or related degree

HS Diploma + 7+ years network investigations experience

Job description

Solutions³ LLC is seeking a Host Based Systems Analyst II to support a government mission, performing cyber defense analysis, DFIR, and threat hunting across host, network, and cloud environments. Responsibilities include incident response, trend analysis, and signature development for defense tools.

Must have active TS/SCI clearance, be a US citizen, and able to obtain DHS suitability. Prior experience with Snort and protocol analyzers is required.