• Open Security Controls

    Koniag Government Services (Arlington, VA)
    Koniag IT Systems, a Koniag Government Services company **,** is seeking an Open Security Controls Assessment Language SME with an active TS/SCI to ... time off, and more. We are seeking an experienced Open Security Controls Assessment... assessors, and compliance teams to improve efficiency in security control assessment and reporting.… more
    Koniag Government Services (01/06/26)
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  • Cybersecurity Automation Subject Matter Expert…

    Koniag Government Services (Arlington, VA)
    …management tools) into RMF packages. + Provide subject matter expertise on leveraging OSCAL ( Open Security Controls Assessment Language) and other ... expertise in the development and deployment of automated RMF security control assessment , informing authorization,...expertise with RMF processes, NIST SP 800-53 Rev. 5 controls , and DoD RMF [DoDI 8510.01]. + Experience developing… more
    Koniag Government Services (01/06/26)
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  • ​​ Assessment & Authorization (A&A)…

    Leidos (Ashburn, VA)
    …major updates. Responsibilities may include creating security documentation (eg, System Security Plan, Security Assessment Report) and obtaining the ... system is authorized to operate + Conducting a formal assessment of the system's security posture +...the system's security posture + Evaluating whether security controls meet established standards and are… more
    Leidos (12/17/25)
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  • Traveling Security Control Assessor

    Leidos (Alexandria, VA)
    **Description** Leidos is seeking mid- to senior-level Security Control Assessors to join our SCA team. This position requires significant travel-please review ... equivalent) is required for consideration. **POSITION OVERVIEW** As a Security Control Assessor, you will play a...processes for each assessment type. + Support assessment development and execution to ensure security more
    Leidos (11/18/25)
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  • Junior Security Control Assessor

    Leidos (Alexandria, VA)
    **Description** Leidos is seeking multiple Junior Security Control Assessors to join our SCA team. This position requires significant travel-please review the ... Assessor, you will play a key role in conducting Security Control Assessments at various government sites,...processes for each assessment type. + Support assessment development and execution to ensure security more
    Leidos (11/18/25)
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  • Information Systems Security Engineer…

    General Dynamics Information Technology (Chantilly, VA)
    …securely (OS, network devices, applications) + Implement and validate security controls + Provide evidence for Assessment & Authorization (A&A) + Support ... and reporting and monitoring processes using cyber security and assessment management systems. + Understanding of perimeter controls (firewalls), access … more
    General Dynamics Information Technology (01/02/26)
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  • Senior SaaS Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    …on Friday. **Responsibilities** **Program & Strategy** + Build the enterprise SaaS Security program: charter, operating model, RACI, roadmap, control framework ... + Codify SaaS security standards and exception management with GRC; embed control checks into procurement/vendor risk and IT change processes. + Align to SOX… more
    CoStar Realty Information, Inc. (11/04/25)
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  • Security Engineer (Wiz and TVM…

    Leidos (Arlington, VA)
    …to track vulnerability metrics and remediation progress. + Communicate risks and recommend security controls to stakeholders at all levels. + Assist in incident ... and patching. + Develop and implement vulnerability management processes, including change controls and security exceptions. + Track remediation progress and… more
    Leidos (11/25/25)
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  • Oracle ERP Security Analyst

    System One (Vienna, VA)
    …Description: We are seeking a skilled contractor to join our client's Finance Technology Security and Controls team. This team is responsible for security ... VA or Pensacola, FL (3 days/week onsite) Pay Rate: Open to Both C2C and W2 options Position Type:...and recommend improvements. o Support testing and validation of security configurations. o Assist in risk assessment more
    System One (12/26/25)
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  • Information System Security Engineer (ISSE)

    Assertive Professionals (Chantilly, VA)
    Information System Security Engineer (ISSE) About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small ... the Department of Defense, Intelligence Community, and Department of Homeland Security in accomplishing their missions worldwide, through an employee centric culture… more
    Assertive Professionals (01/07/26)
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  • Sepio Security Engineer

    Leidos (Arlington, VA)
    … Architecture: Collaborate with IT and network engineering teams to integrate security controls into the overall system architecture, ensuring a defense-in-depth ... you will be responsible for designing, implementing, and maintaining security measures, with a specific focus on leveraging the...strategy. + Vulnerability & Risk Assessment : Conduct thorough risk assessments and vulnerability analyses to… more
    Leidos (11/25/25)
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  • Cybersecurity Engineer 6

    M. C. Dean (Chantilly, VA)
    …Working knowledge of operational control systems and implementing a variety of security assessment tools + Working knowledge of other operational control ... of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control , biometric… more
    M. C. Dean (11/28/25)
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  • Cyber Security Operations Specialist II

    William C Brown Inc (Springfield, VA)
    Cyber Security Operations Specialist II EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for ... other characteristic protected by law. Description WCBinc is looking for a Cyber Security Operations Specialist II to operate and manage all aspects of Information… more
    William C Brown Inc (11/10/25)
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  • Endpoint Security Engineer Lead…

    Leidos (Arlington, VA)
    **Description** Leidos has an immediate need for a lead Endpoint Security Engineer for a customer on a highly visible and strategic Cybersecurity Task Order. The ... Security Engineer will need to be a self-starter with...+ Configuring CrowdStrike cloud-hosted SaaS Solution, to manage policies, control reporting data, manage, and respond to threats. +… more
    Leidos (11/25/25)
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  • Information Systems Security Engineer…

    Nightwing (Sterling, VA)
    …POAMs, SCTMs, SOPs, ConOps, test plans, etc. + Performing technical security control assessments to identify vulnerabilities and potential deficiencies ... tools and investigation methodologies + Experience with various information system security assessment /hardening tools - SCAP Compliance Checker, STIG Viewer,… more
    Nightwing (11/25/25)
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  • Manager, IT GRC

    Infinitive Inc (Ashburn, VA)
    …of IT GRC initiatives. + Maintained accurate documentation, including risk assessment reports, control frameworks, policies, and procedures. Required ... Information Systems Auditor), CRISC (Certified in Risk and Information Systems Control ), CISSP (Certified Information Systems Security Professional), or… more
    Infinitive Inc (01/05/26)
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  • Systems Engineer 4

    M. C. Dean (Vienna, VA)
    …With over 7,000 employees, our capabilities span electrical, electronic security , telecommunications, life safety, automation and controls , audiovisual, ... cybersecurity industries. We are seeking a **System Engineer 4** to join our ** Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic… more
    M. C. Dean (12/30/25)
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  • International Trade Compliance Analyst II

    Sierra Nevada Company, LLC (Arlington, VA)
    …in Arms Regulations (ITAR), the Export Administration Regulations (EAR), the Arms Export Control Act (AECA), the Export Controls Act (ECA), US Foreign Corrupt ... to find alignment and compliance between SNC and the national security priorities of the US government. **Responsibilities:** + Regulatory Compliance Monitoring… more
    Sierra Nevada Company, LLC (11/05/25)
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  • Director Subcontracts-Financial Management

    V2X (Reston, VA)
    …battlefield. We bring 120 years of successful mission support to improve security , streamline logistics, and enhance readiness. Aligned around a shared purpose, our ... governance across programs, ensuring FAR/DFARS compliance, cost/schedule integration, variance control , audit readiness, and predictive forecasting to protect margin,… more
    V2X (12/13/25)
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  • Cybersecurity Architect / Engineer

    Leidos (Mclean, VA)
    …into the system development lifecycle (SDLC), including selecting, implementing, and validating security controls . * Experience in developing and maintaining key ... security documentation such as System Security Plans (SSPs), Security Assessment ...software and hardware systems. * Knowledge of vehicle critical control systems and subsystems. * Experience in a fast-paced… more
    Leidos (12/19/25)
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