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Arsiem

IT consulting and cybersecurity for governments

Cyber Network Defense Analyst 2

Full-Time
No salary listed
Mid
Bachelor's
Arlington County, Arlington, VA, USA
In Person
No H1B Sponsorship
US Top Secret Clearance Required

About the job

Requirements
  • A BS 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 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.
  • An active Top Secret/Sensitive Compartmented Information clearance and the ability to obtain Department of Homeland Security Entry on Duty suitability.
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.
  • Perform event correlation using information from varied enterprise sources to gain situational awareness and determine the effectiveness of observed attacks.
  • Provide daily summary reports of network events and activity relevant to cyber defense practices.
  • Receive and analyze network alerts from enterprise sources and determine possible causes.
  • Detect, identify, and alert on attacks, intrusions, anomalous activities, and misuse activities, distinguishing incidents and events 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, system effects, and relevant information.
  • Identify and analyze anomalies in network traffic 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 based on 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 within the network environment or enclave.
Desired Qualifications
  • Python programming experience.
  • A strong mathematics 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 security information and event management solution, Network+, or Security+.

About the company

ARSIEM Corporation provides advanced IT consulting services, specializing in multiple areas including cybersecurity, enterprise architecture and development, and applications development, predominantly for government clients. The firm is distinguished by its deep commitment to cybersecurity and robust IT solutions that ensure enhanced protection and efficient digital infrastructures. This commitment to leveraging cutting-edge technologies in specialized areas of IT makes ARSIEM Corporation an excellent workplace for professionals aiming to actively contribute to significant, high-impact projects within the government sector.

Company Size

11-50

Company Stage

N/A

Total Funding

N/A

Headquarters

Baltimore, Maryland

Founded

2013

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