Trace Systems

Computer Network Defense, Senior SME

1 month ago
Job ID
# of Openings
US-AZ-Sierra Vista


Trace Systems, headquartered in Vienna, Virginia, was founded in 1999 to support and defend our nation's security interests at home and abroad–– whenever and wherever. We provide cybersecurity, intelligence, communications, networking and information technology services, systems, and solutions to the United States Department of Defense, Intelligence Community and Department of Homeland Security.


Job Description: Computer Network Defense, Senior SME


Job Location:  Sierra Vista, AZ


Security Clearance:  Secret with Tier 5 Investigation (SSBI)


Certification: DoD 8570 applicable certifications for IAT Level II

Job Responsibilities

The Computer Network Defense (CND) Senior SME will operate, monitor, secure, and sustain CND services on multiple Department of Defense (DoD) networks.  Typical daily duties will include:

  • Develop Intrusion Protection System/Intrusion Detection System (IPS/IDS) procedures; correlate and react to security events; perform first- and second-level triage; and forward suspicious activity to the next echelon of support.
  • Use a Security Information Management (SIM) tool to aggregate security events from multiple sources to include IDS/IPS sensors, Primary Internet Exchange (PIX) Firewalls, proxies, routers, ePO servers, Active Directory domain controllers, and DNS servers.
  • Perform advanced systems administration for the enterprise CND sensor mission relative to platform architecture, configuration, lifecycle support, and technology refresh and infusion.
  • Perform advanced systems administration for the enterprise CND sensor mission relative to platform architecture, configuration, lifecycle support, and technology refresh and infusion.
  • Develop and document disaster recovery procedures for managed CND systems.
  • Perform daily backups, implement system upgrades, and verify system configurations, accounts, and passwords conform to baseline standards.
  • Monitor CND infrastructure assets for failures, performance degradations, or loss of security event visibility, and take corrective action to restore the system to full operation for real-time monitoring of security events.
  • Establish and maintain written procedures to set up, track, and document status and location of hardware and software for each baseline of sensors.
  • Maintain, update, test, and implement signatures and policies for each baseline of sensors.
  • Build, configure, and assist with implementation of newly fielded sensors.
  • Report system incidents and problems according to CND standard operating procedures (SOP) and service level agreements (SLA).

Minimum Qualifications

  • Minimum five (5) years demonstrated/practical hands-on experience working in a DoD CND environment.
  • Experience with DoD IDS/IPS sensors to include Snort and Intrushields.
  • Basic-level networking knowledge with layer 2/3 technologies.
  • Hands-on experience solving network problems
  • Experience using protocol analyzers and understanding of communication protocols.


Required Certifications:

  • DOD 8570 applicable certifications for IAT level II
  • Global Information Assurance Certification (GIAC) – Information Security Fundamentals or equivalent


This position supports a 24/7 watch section.  Must be willing to work shifts.

Security Clearance

  • Secret with Tier 5 Investigation (SSBI)


To Apply: We invite you to put your talents to work by joining a growing team of dynamic professionals here at Trace Systems! Be part of a culture at our leading edge company where you can achieve great things while fostering a satisfying and rewarding career progression. Please apply directly through the website at:      #jointracesystems


For any additional questions or to submit any referrals, please contact

Trace Systems is an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.



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