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    Cybersecurity Network Defense Analyst - Arlington, United States - Nine Mind Solutions

    Nine Mind Solutions
    Nine Mind Solutions Arlington, United States

    2 weeks ago

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    Description

    We are looking for Cybersecurity 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 the information, information systems, and networks from threats.
    Eligibility:

    • Must be a US Citizen
    • Must have an active TS/SCI clearance
    • Must be able to obtain Client Entry on Duty (EOD) Suitability prior to starting
    • Must have 5+ years of directly relevant experience in cyber forensic investigations using leading-edge technologies and industry-standard defense tools
    Responsibilities:
    The majority of the CNDA's time (75%) will be spent executing the following tasks:
    • 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
    • Determine tactics, techniques, and procedures (TTPs) for intrusion sets
    • Examine network topologies to understand data flows through the network
    • Identify and analyze anomalies in network traffic using metadata
    • Conduct research, analysis, and correlation across a wide variety of all source data sets (indications and warnings)
    • 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 that can be implemented on cyber defense network tools in response to new or observed threats within the network environment or enclave
    • Notify designated managers, cyber incident responders, and cybersecurity service provider team members of suspected cyber incidents and articulate the event's history, status, and potential impact for further action in accordance with the organization's cyber incident response plan
    Approximately (25%) of the CNDA's time will be spent executing the following tasks:
    • Prepare and update manuals, instructions, and operating procedures
    • Evaluate established methods and procedures and prepare recommendations for changes in methods and practices where appropriate
    • Plan and carry out difficult and complex assignments and develop new methods, approaches, and procedures
    • Conduct analyses and recommend resolution of complex issues affecting the specialty area
    • Ensure optimal use of commercially available products
    • Prepare and present reports
    • Evaluate the effectiveness of installed systems and services
    Required Skills:
    • 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:
    • GSEC (SANS401), Arcsight (or other SEIM solution), Network+, Security+
    • Python programming experience
    • Strong math and science background
    • Experience with Carnegie Mellon SiLK tool suite
    Required Education: Bachelor's in Computer Science, Cybersecurity, Computer Engineering or related degree; or HS Diploma & 7+ years of host or digital forensics experience. Two years of related work experience may be substituted for each year of degree level education.

    Desired Certifications: One or more of the following professional certifications: GNFA, GCIH, GCIA, GSEC, CASP+, CySA+, PaLMS, FedVTE
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