Senior Cyber Defense Operator

Cherokee Federal

Fort Belvoir, VA

Senior Cyber Defense Operator


This position requires an active TS/Sensitive Compartmental Information (SCI) clearance.


The Senior Cyber Defense Operator will inspect data network traffic to identify any potential vulnerabilities or exploitations from malicious actors using cutting edge tools in support of Defense Threat Reduction Agency. 

Compensation & Benefits:

Pay commensurate with experience

Full time benefits include Medical, Dental, Vision, 401K and other possible benefits as provided.  Benefits are subject to change with or without notice.


Senior Cyber Defense Operator Responsibilities Include: 

  • Inspect data network traffic to identify any potential vulnerabilities or exploitations from malicious actors as part of the assessment process
  • Make a copy of the customer network traffic and route it through software tools that scan the traffic for any indicator of malicious activity or vulnerabilities. Evaluate and make recommendations on achievable means of enhancing cybersecurity posture through physical and cyber means. 
  • Support mobile defensive cyber operations utilizing network analysis, TAP technology, network forensics software, and network auditing COTS and open source tools available.
  • Reviews plans, procedures and processes related to the effectiveness and survivability.
  • Provide Network Defense vulnerability analysis, mitigation, and remediation regarding: continuity of operations and\or disaster preparedness plans; configuration management, preventive maintenance and testing of OT, communication systems, and networks; ability of network to meet current and future communication needs.
  • Evaluate OT, communications, and network assets utilizing scanning tools, vulnerability monitoring, analysis, and detection services. Experience with tools and appliances such as Nessus, DoD Software Content Automation Protocol Tool,  DHC ICS-CERT Cyber Security Evaluation Tool (CSET), GrassMarlin, Skybox, Flying Squirrel, Glasswire, Microsoft  SysInternals Suite, OSForensics, FireEye Redline and SIEMs (Security Incident and Event Monitoring System), and Radio Frequency detection tools. 
  • Key locations for assessments include data and server facilities, system management centers, Cyber Program Offices, and Network and Security Operations Centers (NOSC). 
  • Provide oral and written communication regarding deficiencies and methods of correction and renders technical advice regarding condition of networks and information systems at the computing, network, and enclave information technology environments.
  • Evaluating and making recommendations for DoD facilities worldwide on achievable means of enhancing the communications networks and\or systems to ensure local distribution networks and supporting off-site commercial facilities have the capacity, survivability, reliability, and security to support the mission.
  • Evaluating and making recommendations on secure and/or non-secure high speed digital data transmission, government satellite services, high frequency radio, long-haul military and commercial radio, telephone, voice frequency circuitry, wireless, facsimile, video, and computer network inter-switch trunks.
  • Identifying threats/hazards that could affect the mission’s communications architecture and using this data to assess the vulnerability and risk to these assets.
  • Preparing Assessment Team Reports based upon vulnerabilities observed during the assessment.


Senior Cyber Defense Operator Experience, Education, Skills, Abilities requested: 

  • Bachelor’s degree in Engineering, IT, or Cyber discipline or equivalent experience
  • 10 years’ experience in Cyber Security related to DoD
  • Possess or be able to gain the following professional information technology security certifications: IAT Level II and CSSP Auditor certification as defined and described in DoDD 8570.01, 8570.01-M, 8140.01-03, a computing environment certification such as CCNA or Linux+, and one of the following - GCIA, CEH, GSNA, or CISA. 
  • Possess working knowledge of DoD’s IT system and network certification and accreditation processes to include system security authorization agreements
  • Experience conducting Information Operations Computer Network Defense/Exploitation
  • assessments
  • Programming experience (Perl, Python, C, etc.)
  • Experience with firewalls and network TAP technologies
  • Have strong experience with security monitoring, threat hunting, packet analysis,

malware analysis, signature development, shell scripting

  • Familiarity with Linux environments (Red Hat, CentOS, Ubuntu)
  • Installing, configuring, administering software applications
  • Possess troubleshooting skills in problems with software and hardware
  • Configuring, managing and maintaining networking equipment
  • Strong computer networking skills
  • Possess working knowledge of Department of Defense's Information Assurance
  • Vulnerability Alert processes
  • Possess a working knowledge of Computer Network modeling software
  • Possess a working knowledge of Computer Network vulnerability/compliance analysis
  • software
  • Strong experience with network security monitoring, threat hunting, network packet analysis, malware analysis, signature development, and shell scripting. 
  • Security + required
  • TOP SECRET/SCI Clearance required
  • Experience conducting vulnerability-based network security assessments 
  • 30% to 50% travel required.
  • Must pass pre-employment qualifications of Cherokee Federal


Company Information:

Cherokee Nation Strategic Programs (CNSP) provides support, services, and solutions to federal and commercial customers.  The company takes a personalized approach to solving our clients' toughest challenges, helping you make the most of your skills.  CNSP is part of Cherokee Federal – a team of tribally owned federal contracting companies.  For more information, visit


#CherokeeFederal #LI-DNI


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Legal Disclaimer: Cherokee Federal is an equal opportunity employer. Please visit for information regarding our Affirmative Action and Equal Opportunity Employer Statement, Accommodation request, and Presidential EO 14042 Notice.


Please Note:  This position is pending a contract award.  If you are interested in a future with Cherokee Federal, APPLY TODAY!  Although this is not an approved position, we are accepting applications for this future and anticipated need.