Network Based Systems Analyst II

Arsiem • Arlington, FL

1d

About The Position

ARSIEM Corporation is seeking a Cyber Network Defense Analyst (CNDA) to support a government client in Arlington, Virginia, or Pensacola, Florida. The analyst will use information from various sources to monitor network activity and assess it for suspicious behavior, helping protect information, information systems, and networks from threats. The role focuses on identifying and reporting events that have occurred or may occur within the network.

Requirements

• Bachelor of Science in Computer Science, Cyber Security, Computer Engineering, or a related degree, or a high school diploma and at least 4 years of network investigations experience.
• At least 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 using intrusion detection technologies, such as 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, such as Snort signatures.
• Experience performing packet-level analysis.
• Experience conducting trend analysis.
• Active TS/SCI clearance and ability to obtain Department of Homeland Security (DHS) Entry on Duty (EOD) Suitability.

Nice To Haves

• Python programming experience.
• Strong math and science background.
• Experience with the 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 another SIEM solution, Network+, or Security+.

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 escalate incidents, including event history, status, and potential impact, for further action.
• Perform cyber defense trend analysis and reporting.
• Correlate events using information from a variety of enterprise sources to gain situational awareness and assess the effectiveness of observed attacks.
• Provide daily summary reports of network events and activity relevant to cyber defense.
• Receive and analyze network alerts from enterprise sources and determine possible causes.
• Detect, identify, and alert on possible attacks, intrusions, anomalous activities, and misuse, distinguishing these from benign activity.
• Use cyber defense tools for continual monitoring and analysis of system activity to identify malicious activity.
• Analyze malicious activity to determine exploited weaknesses, exploitation methods, and effects on systems and information.
• Identify and analyze network traffic anomalies using metadata.
• Validate intrusion detection system (IDS) alerts against network traffic using packet analysis tools.
• Identify network device applications and operating systems based on network traffic.
• Reconstruct malicious attacks or activity from network traffic.
• Identify network mapping and operating system fingerprinting activities.
• Assist in constructing signatures for cyber defense network tools in response to new or observed threats.

Benefits

• A $3,500 referral bonus for eligible referrals who are successfully placed; the bonus is paid after the referred employee reaches six months of employment.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level