• Cyber Security Implementation…

    CACI International (Springfield, VA)
    Cyber Security Implementation Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... cybersecurity infrastructure and applications running on Windows and Linux operating systems + Engineer and implement cybersecurity solutions leveraging cloud… more
    CACI International (11/14/25)
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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 **Chantilly, VA.** This role ... include but are not limited to:** + You will engineer , design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment... systems + Knowledge of Windows and Linux systems , general operating system security practices, TCP/IP… more
    ManTech (12/13/25)
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  • OPIR Systems Engineer

    KBR (Chantilly, VA)
    Title: OPIR Systems Engineer KBR is seeking a highly qualified OPIR Systems Engineer . GED delivers mission-critical capabilities that enable a plan and ... into useful information distributed to IC and DoD users. As a Senior OPIR Systems Engineer , you will be responsible for providing Joint Intelligence Community… more
    KBR (10/28/25)
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  • OPIR Systems Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Chantilly, VA)
    OPIR Systems Engineer The Opportunity: At a certain...You Have: + 2+ years of experience with national security satellite systems for SIGINT or GEOINT + ... to take on the toughest challenges in Satellite Mission Management? As a OPIR Systems Engineer on our team, you'll translate your customer's IT needs and… more
    BOOZ, ALLEN & HAMILTON, INC. (12/30/25)
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  • Software Development Engineer II, Amazon…

    Amazon (Herndon, VA)
    …out of one of the following locations: Herndon,VA,US As a Software Development Engineer II in the Amazon Foundational Security Services (AFSS) organization at ... AWS, you will have the opportunity to shape the future of AWS's security and foundational infrastructure. We provide the critical infrastructure that powers Amazon's… more
    Amazon (12/13/25)
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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 will be responsible for...across multiple groups Clearance Requirement: + Active Top Secret/SCI security clearance with a current Polygraph Belong, Connect and… more
    KBR (12/11/25)
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  • Integrated Naval Combat Systems

    HII (Virginia Beach, VA)
    …Type: Full Time/Salaried/Exempt Anticipated Salary Range: $68,050.00 - $90,001.60 Security Clearance: Secret Level of Experience: Mid This opportunity resides ... with Global Security (GS). Mission Technologies' Global Security (GS)...fleet. With a holistic approach to life-cycle maritime defense systems -from small watercraft to submarines, surface combatants and aircraft… more
    HII (12/12/25)
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  • Systems Engineer

    CACI International (King George, VA)
    Systems Engineer Job Category: Engineering Time...and able to obtain and maintain a Secret Level Security Clearance. (US Citizenship is required to obtain a ... Engineers to work onsite in Dahlgren, Virginia. As the Systems Engineer , you will be supporting the... security clearance from the DoD.) Active Secret … more
    CACI International (12/29/25)
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  • Principal Systems Engineer

    Northrop Grumman (Chantilly, VA)
    …+ Participate in test events This requisition will be filled at the **Principal Systems Engineer ** level. **Basic Qualifications for Principal Systems ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (12/19/25)
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  • Sr Systems Engineer / Integration…

    Lockheed Martin (Suffolk, VA)
    …hub where mission\-focused technologies are developed, tested, and integrated\. **The Work** As a Systems Engineer Sr\., you'll play a vital role in enabling the ... **What We're Doing** At Lockheed Martin Rotary and Mission Systems , we're building the future of national security...mission experimentation\. **Who You Are** You are a skilled systems engineer with a hands\-on approach to… more
    Lockheed Martin (10/04/25)
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