Manager of Cyber Incident Response

2 weeks ago

Arlington, Virginia, United States Argo Cyber Systems Full time
Job Overview

Argo Cyber Systems specializes in delivering both remote and onsite advanced technical support, proactive threat hunting, rapid incident response, and immediate investigation and resolution through host-based, network-based, and cloud-based cybersecurity analysis capabilities. Our team is dedicated to providing frontline response for digital forensics and incident response (DFIR) while actively seeking out malicious cyber activities.


We are currently looking for Cyber Network Defense Analysts (CNDA) to contribute to this essential mission. The CNDA will utilize information gathered from various sources to monitor network activity and analyze it for signs of suspicious behavior. This monitoring and analysis aim to identify and report events that occur or may occur within the network, ensuring the protection of information, information systems, and networks from potential threats.


Key Responsibilities:

  • Analyze and characterize network traffic to detect anomalous activities and potential threats to network resources.
  • Collaborate with enterprise-wide cyber defense teams to validate network alerts.
  • Document and escalate incidents, including event history, status, and potential impact for further action.
  • Conduct cyber defense trend analysis and reporting.
  • Perform event correlation using information gathered from multiple sources to gain situational awareness and assess the effectiveness of observed attacks.
  • Provide daily summary reports of network events and activities relevant to cyber defense practices.
  • Analyze network alerts from various sources and determine possible causes.
  • Facilitate timely detection, identification, and alerting of potential attacks, intrusions, and anomalous activities.
  • Utilize cyber defense tools for continuous monitoring and analysis of system activities to identify malicious actions.
  • Examine identified malicious activities to determine exploited weaknesses, exploitation methods, and their effects on systems 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 network devices based on traffic analysis.
  • Reconstruct malicious attacks or activities based on network traffic.
  • Identify network mapping and operating system fingerprinting activities.
  • Assist in developing signatures for implementation on cyber defense tools in response to new or observed threats.

Required Skills and Clearances:

  • U.S. Citizenship.
  • Active TS/SCI clearance.
  • Ability to obtain Department of Homeland Security (DHS) Entry on Duty (EOD) Suitability.
  • 5+ years of relevant experience in cyber defense analysis using advanced technologies and industry-standard tools.
  • Experience in developing and deploying signatures.
  • Experience in detecting host and network-based intrusions via intrusion detection technologies.
  • Experience in implementing incident handling methodologies.
  • Experience in using protocol analyzers.
  • Experience in collecting data from various cyber defense resources.
  • Experience in reading and interpreting signatures.
  • Experience in performing packet-level analysis.
  • Experience in conducting trend analysis.

Desired Skills:

  • Proficiency in Python programming.
  • Strong background in mathematics and science.
  • Familiarity with the Carnegie Mellon SiLK tool suite.

Required Education:

Bachelor's degree in Computer Science, Cyber Security, Computer Engineering, or a related field; or a High School Diploma with 7+ years of experience in network investigations.

Desired Certifications:

  • One or more of the following: GNFA, GCIH, GCIA, GSEC, CASP+, CySA+, PaLMS, FedVTE.

Certifications such as GSEC (SANS401), Arcsight (or other SIEM solutions), Network+, and Security+ are also beneficial.

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