Network Based Systems Analyst II

ARSIEM Corporation; Virginia; On-site; USD 100,000 - 140,000; Full time

Job summary

ARSIEM Corporation seeks a Cyber Network Defense Analyst (CNDA) to monitor network activity and analyze for suspicious behavior for a Government client in Arlington, VA. You will characterize traffic, validate alerts, document incidents, perform trend analysis, and generate daily reports using cyber defense tools, IDS data, and signature development experience.

Requirements include a BS in a related field or 4+ years of relevant experience, 2+ years in cyber defense, experience with Snort and

Qualifications

• BS in CS, Cyber Security, Computer Engineering, or related field; or HS Diploma with 4+ years of investigations.
• 2+ years of direct cyber defense analysis experience with leading tools.
• Experience developing and deploying signatures.
• Experience detecting host and network intrusions via IDS (e.g., Snort).
• Experience incident handling methodologies and protocol analyzers.
• Experience collecting data from cyber defense resources.

Responsibilities

• Characterize and analyze network traffic to identify anomalous activity and threats.
• Coordinate with enterprise cyber defense staff to validate alerts.
• Document and escalate incidents with history, status and impact.
• Perform cyber defense trend analysis and reporting.
• Provide daily summaries of network events related to defense practices.
• Validate IDS alerts against network traffic using packet analysis tools.
• Assist in constructing signatures for defense tools against threats.

Skills

Network defense analysis

Packet-level analysis

Intrusion detection

Incident handling

Threat analysis

Education

BS in CS/Cyber Security/Engineering

Tools

Snort

SiLK

Job description

ARSIEM is looking for a Cyber Network Defense Analyst (CNDA) to monitor network activity and analyze it for evidence of suspicious behavior. Monitoring and analysis are performed to identify and report events that occur, or might occur, within the network, in order to protect information, information systems, and networks from threats.This position will support one of our Government clients in Arlington, VA.

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 escalation 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

Minimum Qualifications

• BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 4+ years of network investigations experience.
• 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

Preferred Qualifications

• Python programming experience
• Strong math and science background
• Experience with Carnegie Mellon SiLK tool suite
• 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+

Clearance Requirement: This position requires an Active TS/SCI clearance and the ability to obtain Department of Homeland Security (DHS) Entry on Duty (EOD) Suitability.

ARSIEM is proud to be an Equal Opportunity and 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.