Tetrad Digital Integrity LLC

  • Computer Network Defender

    Job Locations US-VA-Manassas
    Posted Date 1 week ago(8/9/2018 11:45 AM)
    # of Openings
  • Overview

    Tetrad Digital Integrity (TDI) is seeking a Computer Network Defender to support our client based in Manassas, VA. 


    • Analyze raw data sources to extract, institutionalize, and document actionable events
    • Document the flow of data and identify multiple distinct data sources where suspicious behavior can be identified – must also be able to identify supplemental sources where similar data may be found
    • Investigate and identify the root cause behind security incidents – to include all stages of the cyber kill chain as appropriate
    • Communicate and collaborate with colleagues to investigate incidents
    • Investigate incidents both from a network and host/application level
    • Investigate an incident, develop/communicate a timeline, and identify multiple scenarios based on the investigation
    • Monitor, track and communicate reported events for numerous different security platforms, operating systems, databases, and management systems.
    • Perform regular continuous monitoring of events across platforms, operating systems, databases, and management systems.  
    • Improve and implement indicators and protections across platforms, operating systems, databases, and management systems.
    • Generate reports on a scheduled basis to document findings and remediation efforts, to include recommendations to the system owners.
    • Work with the system owners to remediate security issues derived through external and internal assessments.  
    • Develop processes to proactively address security risks and develop reporting dashboards in House security systems to continuously track progress.
    • Work in an Integrated Operations Center with other business units to assist in incidents on behalf of CyberSecurity


    • Bachelor’s degree in related field (i.e., Computer Science, Information Systems Management) and minimum of five (5) years of relevant IT security related work experience. In lieu of a Bachelor’s degree, proposed staff should have at least eight (8) years of IT security experience.
    • Demonstrated program level experience supporting network defense and strategies
    • Ability to work in a high-pressure environment with changing priorities
    • A solid understanding of current threats and tactics beingused to attack systems
    • Experience supporting the full lifecycle of indicators of compromise and signature process, to include development of security documentation
    • Ability to communicate effectively, both orally and in writing, with information technology professionals, and technical and non-technical users


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