• Cybersecurity Automation Subject Matter Expert…

    Koniag Government Services (Arlington, VA)
    …NIST updates, and emerging compliance automation technologies. **Qualifications:** **Required:** + TS /SCI security clearance required. + Bachelor's degree in ... is seeking a Cybersecurity Automation Subject Matter Expert (SME) with an active TS /SCI to support KITS and our government customer at the Mark Center, Alexandria,… more
    Koniag Government Services (01/18/26)
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  • HVAC Technician 3 - TS /SCI with Polygraph

    M. C. Dean (Charlottesville, VA)
    …eligibility requirements, including US Citizenship, for access to classified information ; **Active TS /SCI with Polygraph** **License/Certification Requirement:** ... must meet eligibility requirements, including US Citizenship, for access to classified information ; **Active TS /SCI with Polygraph** + Applicants selected must… more
    M. C. Dean (11/26/25)
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  • Vulnerability Researcher: Mid-Level (Applicants…

    Cipher Tech Solutions (Vienna, VA)
    …their research. Requirements: + MUST be a US citizen + Must hold a US government security clearance at the TS Level or higher at time of application + Must ... of analyzing malicious code. The goal of a reverse engineer is to understand how the malicious code works...required by federal, state, and local law requirements. Important Security Clearance Information : Be aware that you… more
    Cipher Tech Solutions (01/16/26)
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  • Systems Engineer IV

    Noblis (Chantilly, VA)
    …diploma with 16 years of experience. + Active Top Secret ( TS ) clearance with eligibility for Sensitive Compartmented Information (SCI), and ability to ... functions across multi-enclave environments with focus on Top Secret infrastructure. + Implement comprehensive systems security strategies ensuring… more
    Noblis (12/22/25)
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  • Network Engineer IV

    Noblis (Chantilly, VA)
    Top Secret environments. + Active Top Secret ( TS ) clearance with eligibility for Sensitive Compartmented Information (SCI) and ability to obtain ... network issues within designated resolution timelines. + Develop and implement network security controls specific to Top Secret classification requirements.… more
    Noblis (12/17/25)
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  • Systems Engineer III

    Noblis (Chantilly, VA)
    …diploma with 14 years of experience. + Active Top Secret ( TS ) clearance with eligibility for Sensitive Compartmented Information (SCI), and ability to ... preferred. + Proficiency with: + Enterprise network administration and security for Top Secret enclaves...Infrastructure as Code (Terraform) for secure, automated deployments + Security accreditation processes (RMF, NIST 800-53) for TS more
    Noblis (12/22/25)
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  • Unified Communications Engineer - Principal

    Amentum (Warrenton, VA)
    …program is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ES) which is a ... in using your skills to help shape the Cyber, Security , & Intel space? If so, look no further....a dynamic environment **Clearance Required:** * Must have active Top - Secret clearance with SCI or TS more
    Amentum (12/11/25)
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  • Security Engineer

    Leidos (Lorton, VA)
    …deliver cybersecurity and information assurance services. **Primary Responsibilities** The Security Engineer - Linux / Tenable Compliance is responsible for ... Sector at Leidos currently has an opening for a Security Engineer to work in our Lorton,...securing Linux systems in an enterprise environment. + Active TS /CI government security clearance + Direct experience… more
    Leidos (12/11/25)
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  • ISSE

    System One (Reston, VA)
    …or Riverdale, MD - 100% ONSITE Compensation: $200,000/year Join our dynamic team as an Information System Security Engineer (ISSE) and make a direct impact ... and DoD cloud environments. Qualifications: Required: * Active DOD Top Secret /SCI + CI Poly security...compliance, Security Content Automation Protocol (SCAP), and security event information management (SIEM). * Knowledge… more
    System One (12/26/25)
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  • Network Engineer III

    Noblis (Chantilly, VA)
    …experience in network engineering/administration. + Active Top Secret ( TS ) clearance with eligibility for Sensitive Compartmented Information (SCI) and ... Responsibilities As a **Network Engineer III,** you will provide expert leadership in...sophisticated network systems and communications with special emphasis on Top Secret classification enclaves. You will architect… more
    Noblis (12/23/25)
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