• PD Power Systems LLC (Springfield, VA)
    Mechanical Engineer /Designer Located in Springfield, VA ( Onsite ). This is not a remote or hybrid position. This position is responsible for the design and ... at our Springfield, VA office. Roles and Responsibilities Design systems and integrate the multiple systems using...problem solving abilities. Must be eligible to receive US Security Clearance Must have ability and some flexibility to… more
    Upward (08/11/25)
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  • Infinity Systems Engineering (Alexandria, VA)
    …- now, come be more with us! Job Summary: We are seeking a skilled Systems Administrator/Network Engineer to join our mission-driven team. This position offers a ... Perform systems administration on Windows and Linux platforms (updates, security , troubleshooting, management). + Maintain secure high performance KVM systems more
    DirectEmployers Association (09/30/25)
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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 ... 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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  • Cleared Senior Information Systems

    Virtual Service Operations (Lorton, VA)
    Cleared Senior Information Systems Security Engineer (ISSE) L4 * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you looking to ... take the next steps in your career as an Information Systems Security Engineer (ISSE)? Let's chat and see if we are a good match! Opportunity: We are… more
    Virtual Service Operations (10/04/25)
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  • Senior Systems Security

    TekSynap (Dahlgren, VA)
    …is seeking a **S** **enior S** **ystem** **s Security Engineer ** **.** The Senior Systems Security Engineer (SSE) serves as Key Personnel under ... + Incident Response & Continuous Monitoring **Overview** We are seeking aSenior Systems Security Engineerto join ourteamatNaval Surface Warfare Center Dahlgren… more
    TekSynap (10/31/25)
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  • Senior Security Systems

    Imagine One Technology & Management (Dahlgren, VA)
    …**for this role.** Imagine One Technology & Management, Ltd. is seeking two (2) ** Senior Security Systems Engineers** . These positions are contingent upon ... of the associated work and will be performed in Dahlgren, Virginia. The ** Senior Security Systems Engineers** will be expected to: + Author DoD Assessment… more
    Imagine One Technology & Management (09/24/25)
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  • Senior Specialist, Systems

    L3Harris (Springfield, VA)
    …land, sea and cyber domains in the interest of national security . Job Title: Senior Specialist, Systems Engineer - Strategic Planner (TS/SCI w/ CI Poly ... Description: L3Harris Technologies currently has an opening for a Senior Specialist, Systems Engineer -...of our positions require the ability to obtain a security clearance. Security clearances may only be… more
    L3Harris (10/16/25)
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  • Senior Associate Systems

    L3Harris (Springfield, VA)
    …land, sea and cyber domains in the interest of national security . Job Title: Senior Associate, Systems Engineer - Watch Officer (Active TS/SCI w/CI Poly ... Technologies is seeking a Watch Officer to support a critical National Security Program. The successful candidate will join a high-performing team of government… more
    L3Harris (10/15/25)
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  • Senior RF Communications Engineer

    KBR (Chantilly, VA)
    …most critical role - protecting our national security . We are seeking a Senior Communications Systems Engineer to provide systems engineering and ... Title: Senior RF Communications Engineer Belong. Connect....contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape… more
    KBR (11/01/25)
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  • Principal /Sr. Principal Cyber Systems

    Northrop Grumman (Fairfax, VA)
    …training to individuals and groups. **Basic Qualifications for a Senior Principal Cyber Systems Engineer :** + A security clearance is not required at the ... Cyber Systems Engineer level. **Basic Qualifications for a Principal Cyber Systems Engineer :** + A security clearance is not required at the time of… more
    Northrop Grumman (08/22/25)
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  • DS (Distribution Systems ) Engineer

    General Dynamics Information Technology (Fairfax, VA)
    …contract. These levels include DS (Distribution Systems ) Engineer , DS (Distribution Systems ) Engineer Senior , and DS (Distribution Systems ) ... meeting our clients' biggest challenges HOW A DS (Distribution Systems ) ENGINEER SENIOR WILL MAKE...Experience using MS Visio or related CAD tools * Security Clearance Level: Active DoD Secret Level Clearance required… more
    General Dynamics Information Technology (10/30/25)
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  • Senior Cyber Security

    General Dynamics Information Technology (Lanham, MD)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **Job Title: Senior Cyber Security Engineer - Security Operations Center ... Position Type: Full-Time **Introduction:** We are seeking a highly experienced and knowledgeable Senior Cyber Security Engineer to lead and support our… more
    General Dynamics Information Technology (10/15/25)
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  • Systems Engineer - Research…

    KBR (Chantilly, VA)
    …national security and shape the future of space defense. KBR is seeking a Senior Systems Engineer to support our customers in Chantilly, VA. The position ... Title: Systems Engineer - Research and Development - Senior...Senior Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology… more
    KBR (10/29/25)
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  • Senior SIGINT Systems

    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… more
    KBR (09/16/25)
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  • Senior Information System Security

    Leidos (Alexandria, VA)
    …The Digital Modernization Sector at Leidos is seeking a dynamic **Information Systems Security Engineer (ISSE)** to support cloud modernization ... and decision intelligence. We're the minds behind the mission-critical systems that keep our nation secure. **Ready to ...AWS Certified Security - Specialty, or Azure Security Engineer required. + Excellent facilitation, communication,… more
    Leidos (10/18/25)
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  • Senior OPIR Systems Engineer

    KBR (Chantilly, VA)
    Title: Senior OPIR Systems Engineer KBR is seeking a highly qualified OPIR Systems Engineer to provide Systems Engineer Technical Advisor ... (SETA) support for a USG Agency. As a Senior OPIR Systems Engineer , you...across multiple groups Clearance Requirement: + Active Top Secret/SCI security clearance with a current Polygraph Belong, Connect and… more
    KBR (09/12/25)
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  • Senior Systems Engineer

    RTX Corporation (Springfield, VA)
    …balance practices. **Location:** **Near Springfield, Virginia** **What You Will Do** + The Senior Systems Engineer provides systems engineering and ... Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US...a safer, more secure world. Raytheon is seeking a Senior Systems and Integration Engineer more
    RTX Corporation (10/14/25)
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  • Senior Information System Security

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

    ManTech (Chantilly, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Principal Cyber Security Engineer ** to join our team in the **Chantilly, VA.** ... and Event Management (SIEM) platforms, and/or Splunk + Knowledge of Linux systems administration, general operating system security practices, TCP/IP networking,… more
    ManTech (10/24/25)
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  • Senior Systems Engineer

    Leidos (Alexandria, VA)
    …Advantage Solutions Business Area, is currently seeking a highly motivated and experienced Senior Systems Engineer for the Chinook Program. The selected ... + Expert Systems Engineering Professional (ESEP), INCOSE Certified Systems Engineering Professional (ESEP), CISSP, Security + certification, or similar… more
    Leidos (10/11/25)
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