• ABBTECH Professional Resources, Inc. (Sterling, VA)
    …, and **vector databases** **Qualifications** + Degree in **Computer Science** , ** Information Systems ** , **Engineering** , or **Mathematics** **_ABBTECH is an ... ** Senior Engineer-Full Stack (AI Platform)** **Location- Sterling, Va**...**Plotly** , or similar libraries + Awareness of **web security best practices** + Interest in **LLMs** , **RAG… more
    DirectEmployers Association (10/31/25)
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  • Epsilon, Inc (Manassas, VA)
    …Our services, ranging from systems administration and network engineering to Information security and data center management, are essential to the mission's ... of Defense (DoD) facility. This role includes managing advanced physical security systems , conducting in-depth vulnerability assessments, manage classified… more
    DirectEmployers Association (10/11/25)
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  • Schnabel Engineering (Sterling, VA)
    …We approach problems with creativity and innovation. The Sterling office is seeking a Senior Engineer to join our growing practice in the Northern Virginia area. We ... skills to analyze above and underground structures and related systems which are included in these facilities. The ideal...Requirements:** + Possess and maintain a US DoD TS/SCI security clearance and polygraph + Must possess a valid… more
    DirectEmployers Association (09/18/25)
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  • Epsilon, Inc (Manassas, VA)
    …Our services, ranging from systems administration and network engineering to Information security and data center management, are essential to the mission's ... meet the highest standards in national security . The Information Assurance Analyst II collaborates with senior team members to ensure systems are secure,… more
    DirectEmployers Association (10/02/25)
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  • Epsilon, Inc (Manassas, VA)
    …and perform day-to-day security operations. + Provide configuration management for information systems security software, hardware, and firmware. + ... from systems administration and network engineering to Information security and data center management, are...the highest standards in national security . The Information Assurance Analyst I collaborates with senior more
    DirectEmployers Association (09/25/25)
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  • Red River (Chantilly, VA)
    …you seek to make those around you successful. We are looking for a ** Systems Support Engineer I** to join our fast-paced, customer-first global service desk team. ... calls and assigned tickets from users experiencing challenges with systems , applications, and infrastructure. Whether working independently or collaboratively, your… more
    DirectEmployers Association (10/07/25)
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  • Senior Information Security

    Parsons Corporation (Chantilly, VA)
    …In this mission critical role you will develop, maintain, and implement information security standards, procedures, and guidelines for applications and ... labeling, virus scanning, and appropriately transferring data (uploading/downloading) between information systems at varying classification levels. + Ability… more
    Parsons Corporation (10/10/25)
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  • Senior Information System…

    KBR (Chantilly, VA)
    Title: Senior Information System Security Officer (ISSO) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end ... the organization's critical information assets, ensuring compliance with relevant security policies, standards, and regulations. The Senior ISSO will help… more
    KBR (10/15/25)
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  • Senior Information System…

    Leidos (Chantilly, VA)
    … Center, or a comparable commercial or GOTs product. + Active Certified Information Systems Security Professional (CISSP) certification or ISACA Certified ... and activities The ISSO also manages and enforces government and corporate information security policies, provides training, and educates end users and… more
    Leidos (10/10/25)
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  • Senior Cloud Systems Administrator

    BAE Systems (Sterling, VA)
    **Job Description** We are looking for a highly skilled Senior Cloud Systems Administrator to join our visible technical program driving the Model Based ... incentives may be available based on position level and/or job specifics. ** Senior Cloud Systems Administrator** **115946BR** EEO Career Site Equal Opportunity… more
    BAE Systems (09/09/25)
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  • Senior Systems Engineer (potential…

    BAE Systems (Sterling, VA)
    …Other incentives may be available based on position level and/or job specifics. ** Senior Systems Engineer (potential travel)** **117888BR** EEO Career Site Equal ... provides engineering, integration and sustainment support for critical military platforms and systems . Intelligence & Security provides services and products to… more
    BAE Systems (10/31/25)
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  • Senior Information System…

    ManTech (Quantico, VA)
    …years. Master's and 3 years. + Hold one of the following certifications: Certified Information Systems Security Professional (CISSP), Global Information ... **MANTECH** seeks a motivated, career and customer-oriented ** Senior Information System Security ...SAA package to the FBI Authorizing Official for a security ATO decision. Supporting developmental and operational systems more
    ManTech (08/13/25)
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  • Senior Information System…

    ManTech (Quantico, VA)
    …14 years. + Hold at least one of the following certifications: Certified Information Systems Security Professional (CISSP) (or Associate), CompTIA Advanced ... **MANTECH** seeks a motivated, career and customer-oriented ** Senior Information System Security Engineer (ISSE)** to join our team in **Quantico, VA.**… more
    ManTech (08/13/25)
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  • Senior Information System…

    ManTech (Quantico, VA)
    …following Information Assurance Management (IAM) Level III certifications: Certified Information Systems Security Professional (CISSP), Global ... **MANTECH** seeks a motivated, career and customer-oriented ** Senior Information System Security Officer (ISSO)** to join our team in **Quantico, VA.**… more
    ManTech (10/21/25)
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  • RMF Cyber Security Analyst Senior

    SAIC (Quantico, VA)
    …have the following qualifications: + Bachelor's degree in Information Technology, Information Systems Management, Cyber Security , or another related ... Business Group of SAIC is seeking a RMF Cyber Security Analyst Senior to support a transformational...designated oversight authority on the accreditation of classified facilities, information systems , and the insider threat program.… more
    SAIC (10/23/25)
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  • Senior Systems Administrator…

    General Dynamics Information Technology (Quantico, VA)
    …Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a ** Senior Systems Administrator** with GDIT. A career in enterprise IT ... or suspected criminal, terrorism, sabotage, espionage and subversive activities. **HOW OUR SENIOR SYSTEMS ADMINISTRATOR WILL MAKE AN IMPACT:** + Administer,… more
    General Dynamics Information Technology (08/09/25)
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  • Senior Security Manager

    Leidos (Chantilly, VA)
    **Description** The Leidos Security Operations is seeking a proven, experienced security professional for a Senior Security Manager, to lead a ... is an incredible opportunity to apply your leadership and security experience in leading a team of security...prevent unauthorized access to company and government facilities or information . *The applicant must have a proven ability to… more
    Leidos (10/28/25)
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  • Senior Principal Cyber Security

    ManTech (Chantilly, VA)
    …Knowledge of Certification & Accreditation processes + Knowledge of DoD policy and technical security guidance to information systems + DoD Directive 8570.1 ... **ManTech** seeks a motivated, career and customer-oriented ** Senior Principal Cyber Security Engineer** to...of experience in a cyber role + Experience with Security Information and Event Management (SIEM) platforms,… more
    ManTech (10/24/25)
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  • Senior Cyber Security Detections…

    ManTech (Chantilly, VA)
    …include but are not limited to:** + Formulating and publishing custom Security Information and Event Management (SIEM) tool content and IDS/IPS ... **MANTECH** seeks a motivated, career and customer-oriented ** Senior Cyber Security Detections Engineer** to...signatures to address threats + Performing security event and incident correlation using information more
    ManTech (10/21/25)
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  • Senior SIGINT Systems Engineer

    KBR (Chantilly, VA)
    Title: Senior SIGINT Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape...the future of space defense. KBR is seeking a Senior SIGINT Systems Engineer to be part… more
    KBR (09/16/25)
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