Mgr. Cyber Incident Response, Network Based Systems Analyst III

2 weeks ago

Arlington, United States Argo Cyber Systems Full time
Job DescriptionJob Description

Argo Cyber Systems provides remote and onsite advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation and resolution using host-based, network-based and cloud-based cybersecurity analysis capabilities. Team personnel provide front line response for digital forensics/incident response (DFIR) and proactively hunting for malicious cyber activity. We are seeking Cyber Network Defense Analysts (CNDA) to support this critical customer mission.


The CDNA uses information collected from a variety of sources 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. 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'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



Required Skills/Clearances:


- U.S. Citizenship

- Active TS/SCI clearance

- Ability to obtain Department of Homeland Security (DHS) Entry on Duty (EOD) Suitability

- 5+ 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


Desired Skills:


- Python programming experience

- Strong math and science background

- Experience with Carnegie Mellon SiLK tool suite


Required Education:

BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 7+ years of network investigations experience. Desired Certifications:


  • 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+



Job Posted by ApplicantPro

  • Cyber Network Based Systems Analyst III

    4 weeks ago

    Arlington, United States Argo Cyber Systems Full time

    Job DescriptionJob DescriptionThe DHS's Hunt and Incident Response Team (HIRT) secures the Nation's cyber and communications infrastructure. HIRT provides DHS's front-line response for cyber incidents and proactively hunting for malicious cyber activity. Argo Cyber Systems supports this mission with DHS, performs HIRT investigations to develop a...

  • Cyber Network Based Systems Analyst II

    4 weeks ago

    Arlington, United States Argo Cyber Systems Full time

    Job DescriptionJob DescriptionThe DHS's Hunt and Incident Response Team (HIRT) secures the Nation's cyber and communications infrastructure. HIRT provides DHS's front-line response for cyber incidents and proactively hunting for malicious cyber activity. Argo Cyber Systems supports this mission with DHS, performs HIRT investigations to develop a...

  • Cyber Network Based Systems Analyst IV

    4 weeks ago

    Arlington, United States Argo Cyber Systems Full time

    Job DescriptionJob DescriptionArgo Cyber Systems provides remote and onsite advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation and resolution using host-based, network-based and cloud-based cybersecurity analysis capabilities. Team personnel provide front line response for digital forensics/incident...

  • 3 Cyber Network Based Systems Analyst II

    2 days ago

    Arlington, United States ARGO Cyber Systems, LLC Full time

    The DHS's Hunt and Incident Response Team (HIRT) secures the Nation's cyber and communications infrastructure. HIRT provides DHS's front-line response for cyber incidents and proactively hunting for malicious cyber activity. Argo Cyber Systems supports this mission with DHS, performs HIRT investigations to develop a preliminary diagnosis of the severity of...

  • Host Based Cyber Systems Analyst IV

    2 days ago

    Arlington, United States Argo Cyber Systems Full time

    The DHS's Hunt and Incident Response Team (HIRT) secures the Nation's cyber and communications infrastructure. HIRT provides DHS's front line response for cyber incidents and proactively hunting for malicious cyber activity. Argo Cyber Systems is a key partner to DHS, and performs HIRT investigations to develop a preliminary diagnosis of the severity of...

  • Network Based Systems Analyst III

    4 weeks ago

    Arlington, United States Farfield Systems Full time

    Job DescriptionJob DescriptionFarfield will assist the Federal staff within the Cybersecurity and Infrastructure Protection Agency (CISA) Hunt and Incident Response Team (HIRT), and National Cybersecurity and Assessment and Technical Services (NCATS) branches, with a broad set of support functions. The Hunt and Incident Response Team is DHS’s front line...

  • Host Based Cyber Systems Analyst IV

    3 weeks ago

    Arlington, United States Argo Cyber Systems Full time

    Job DescriptionJob DescriptionThe DHS's Hunt and Incident Response Team (HIRT) secures the Nation's cyber and communications infrastructure. HIRT provides DHS's front line response for cyber incidents and proactively hunting for malicious cyber activity. Argo Cyber Systems is a key partner to DHS, and performs HIRT investigations to develop a...

  • Network Based Systems Analyst

    1 week ago

    Arlington, United States Solutions , LLC Full time

    Network Based Systems Analyst - III - NBA03 The DHS’s Hunt and Incident Response Team (HIRT) secures the Nation’s cyber and communications infrastructure. HIRT provides DHS’s front-line response for cyber incidents and proactively hunting for malicious cyber activity. Solutions3 Technologies (RTX), as a prime contractor to DHS, performs HIRT...

  • Network Based Systems Analyst

    2 days ago

    Arlington, United States Solutions , LLC Full time

    Network Based Systems Analyst - III - NBA03 The DHSs Hunt and Incident Response Team (HIRT) secures the Nations cyber and communications infrastructure. HIRT provides DHSs front-line response for cyber incidents and proactively hunting for malicious cyber activity. Solutions3 Technologies (RTX), as a prime contractor to DHS, performs HIRT investigations to...

  • Network Based Systems Analyst

    1 week ago

    Arlington, United States Solutions³ LLC Full time

    Job DescriptionJob DescriptionNetwork Based Systems Analyst - III - NBA03The DHS’s Hunt and Incident Response Team (HIRT) secures the Nation’s cyber and communications infrastructure. HIRT provides DHS’s front-line response for cyber incidents and proactively hunting for malicious cyber activity. Solutions3 Technologies (RTX), as a prime contractor to...

  • Network Based Systems Analyst

    1 week ago

    Arlington, United States Solutions³ LLC Full time

    Job DescriptionJob DescriptionNetwork Based Systems Analyst - III - NBA03The DHS’s Hunt and Incident Response Team (HIRT) secures the Nation’s cyber and communications infrastructure. HIRT provides DHS’s front-line response for cyber incidents and proactively hunting for malicious cyber activity. Solutions3 Technologies (RTX), as a prime contractor to...

  • Network Based Systems Analyst

    1 week ago

    Arlington, United States Gray Tier Technologies LLC Full time

    The DHS's Hunt and Incident Response Team (HIRT) secures the nation's infrastructure. HIRT provides DHS's front-line response for cyber incidents and proactive hunting for malicious cyber activity. Our team provides support for on and offsite incident response to Government agencies and critical infrastructure owners who experience cyber-attacks. Our team...

  • Cyber Incident Manager Level II

    3 weeks ago

    Arlington, United States Argo Cyber Systems Full time

    Job DescriptionJob DescriptionIncident Manager Level IVARGO Cyber System is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize...

  • Incident Manager Level III

    3 weeks ago

    Arlington, United States Argo Cyber Systems Full time

    Job DescriptionJob DescriptionIncident Manager Level IIARGO Cyber System is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize...

  • Cyber Network Defense Analyst Level III

    1 week ago

    Arlington, VA, United States ZP Group Full time

    Cyber Network Defense Analyst Level III Arlington, VA Job Id: 87991 Job Category: Other Job Location: Arlington, VA Security Clearance: TS/SCI Business Unit: ZP Group Division: Not Defined Position Owner: Trudee Wooden The DHS’s Hunt and Incident Response Team (HIRT) secures the Nation’s cyber and...

  • Network Based Systems Analyst IV

    4 weeks ago

    Arlington, United States Farfield Systems Full time

    Job DescriptionJob DescriptionFarfield will assist the Federal staff within the Cybersecurity and Infrastructure Protection Agency (CISA) Hunt and Incident Response Team (HIRT), and National Cybersecurity and Assessment and Technical Services (NCATS) branches, with a broad set of support functions. The Hunt and Incident Response Team is DHS’s front line...

  • Cyber Network Defense Analyst Level III

    4 weeks ago

    Arlington, United States Zachary Piper Solutions Full time

    The DHS’s Hunt and Incident Response Team (HIRT) secures the Nation’s cyber and communications infrastructure. HIRT provides DHS’s front-line response for cyber incidents and proactively hunting for malicious cyber activity. Zachary Piper Solutions, as a prime contractor to DHS, performs HIRT investigations to develop a preliminary diagnosis of the...

  • Network Based Systems Analyst

    1 week ago

    Arlington, United States Solutions³ LLC Full time

    Job DescriptionJob DescriptionNetwork Based Systems Analyst - II - NBA02Solutions3 Technologies provides remote and onsite advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation and resolution using host-based, network-based and cloud-based cybersecurity analysis capabilities. Team personnel provide...

  • Network Based Systems Analyst

    2 days ago

    Arlington, United States PassionHR Inc Full time

    NETWORK BASED SYSTEMS ANALYST We are seeking to hire an experienced Cyber Network Defense Analysts (CNDA) to support this critical customer mission in Arlington, Virginia. The CDNA uses information collected from a variety of sources to monitor network activity and analyze it for evidence of suspicious behavior. Monitoring and analysis are performed to...

  • Network Based Systems Analyst

    4 weeks ago

    Arlington, United States PassionHR Inc Full time

    **NETWORK BASED SYSTEMS ANALYST** We are seeking to hire an experienced **Cyber Network Defense Analysts (CNDA)** to support this critical customer mission in **Arlington, Virginia**. The CDNA uses information collected from a variety of sources to monitor network activity and analyze it for evidence of suspicious behavior. Monitoring and analysis are...