• Cyber Security Operations…

    System One (Springfield, VA)
    Job Title: Cyber Security Operations Specialist / Intrusion Detection (Top Secret/SCI) SHIFT WORK Location: Springfield, Virginia Type: Direct Hire Contractor ... Work Model: Onsite Security Clearance: Active Top Secret/SCI Cyber Security Operations Specialist Springfield, VA or St. Louis TS/SCI Supporting NGA… more
    System One (08/08/25)
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  • Senior Cyber Security SIEM…

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Senior Cyber Security SIEM Specialist ** to join our team in the DC, Maryland, and Virginia ... In this role you will be an expert in Security Information and Event Management (SIEM) systems, responsible for...solutions to protect DHS's networks and information systems from cyber threats. **Responsibilities include, but are not limited to:**… more
    ManTech (06/03/25)
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  • Senior Cyber Security SME

    Steampunk (Mclean, VA)
    …for taking on new challenges. **Contributions** The **ISSO Team Lead** serves as a Lead Cyber Security Specialist and will perform level III ISSO and/or ISSO ... ISSOs within the program area areproperly trainedon ISSO activities. + Providing security -relatedexpertiseand mentorship to junior ISSOs within the program area.… more
    Steampunk (07/02/25)
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  • Collection Management (Operations…

    Masego (Springfield, VA)
    …we recognize and award your hard work. Description We are looking for a Junior -level TS/SCI-cleared Collection Manager to join our team. In this role you will ... first phase GEOINT work + Previous experience with collection capabilities and methods Security Clearance Requirement: + Active TS/SCI with a current CI Poly Shift… more
    Masego (08/14/25)
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  • Marketing & Communications Senior…

    M. C. Dean (Vienna, VA)
    …and/or corporate communications programs on behalf of the department. The senior specialist will manage strategic initiatives, coaching junior staff, and ... Dean** is Building Intelligence(R). We design, build, operate, and maintain cyber -physical solutions for the nation's most recognizable mission critical facilities,… more
    M. C. Dean (08/27/25)
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  • Specialist , Systems Engineering

    L3Harris (Ashburn, VA)
    …air, land, sea and cyber domains in the interest of national security . Job Title: Specialist , Systems Engineering Job Code: 26987 Job Location: Ashburn, ... VA Job Description: As the Specialist , Systems Integration Engineer, you will be responsible for...and production processes and develop mitigation strategies. + Mentor junior engineers and provide technical guidance and training +… more
    L3Harris (08/08/25)
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  • Senior Level Test and Exercise Specialist

    ManTech (Herndon, VA)
    …the development and execution of comprehensive testing strategies for our network security systems, cyber security capabilities, ensuring the reliability, ... **ManTech** seeks a motivated, career and customer-oriented **Senior Level Test and Exercise Specialist ** to join our team in the **DC, Maryland, and Virginia (DMV)… more
    ManTech (08/21/25)
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  • Advanced Manufacturing Technical Specialist

    Guidehouse (Mclean, VA)
    …that cover smart manufacturing, additive manufacturing, composites, highly conductive materials, cyber security for manufacturing, and materials for harsh ... (DoD) customers across the globe. The Advanced Manufacturing Technical Specialist position is for an Associate Director that will...simultaneously. + Demonstrates the ability to mentor and guide junior team members in execution of their duties. +… more
    Guidehouse (07/18/25)
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  • Senior Sustainability & Resilience Engineer/…

    Parsons Corporation (Centreville, VA)
    …75 years of experience, Parsons is uniquely qualified to deliver cyber /converged security , technology-based intellectual property, and other innovative services ... Parsons is looking for an amazingly talented **Senior** **Sustainability & Resilience Engineer/ Specialist ** to join our team! In this role you will have the… more
    Parsons Corporation (07/04/25)
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  • ​​T2 AS&W Analyst - Night Back ​

    Leidos (Ashburn, VA)
    …+ Bachelor's degree in computer science, engineering, Information Technology (IT), Cyber Security , or related field.Additional years of experience and ... at minimum ONE of the following certifications:** + CompTIA Cyber Security Analyst (CySA+) + CEH -...EC-Council Certified Incident Handler + ECSS - EC-Council Certified Security Specialist + ECES - EC-Council Certified… more
    Leidos (06/27/25)
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