Network Based Systems Analyst II

ARSIEM • Pensacola, FL

3d • Onsite

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 gathered from multiple sources to monitor network activity and identify suspicious behavior, threats, and events that may affect information, information systems, or networks. The role focuses on cyber defense monitoring, analysis, incident reporting, and threat detection.

Requirements

• Bachelor’s degree in Computer Science, Cyber Security, Computer Engineering, or a related field, 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 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 Entry on Duty 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, or 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 their history, status, and potential impact, for further action.
• Perform cyber defense trend analysis and reporting.
• Correlate events using information from multiple 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 report possible attacks, intrusions, anomalous activities, and misuse, distinguishing them from benign events.
• 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 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

• Referral bonus of $3,500 for eligible referrals who are successfully placed; the bonus is paid after the referred employee reaches 6 months of employment.

What This Job Offers

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