• IT Infrastructure Systems Engineer

    SAIC (Chantilly, VA)
    …security and cross-domain solutions. **Qualifications** **Required Qualifications:** + **Active Top Secret /SCI clearance with Polygraph.** + Bachelor's and ... an **active TS /SCI security clearance with Polygraph.** The IT Infrastructure Mission Engineer will serve as the subject matter expert (SME) and System… more
    SAIC (08/07/25)
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  • Sr Systems Security Engineer

    Sierra Nevada Company, LLC (Beavercreek, OH)
    …more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security ... this is the opportunity for you! As a Sr Systems Security Engineer , you will be using...to work well along other senior engineers, subject matter expert /architects as well as other system technicians in a… more
    Sierra Nevada Company, LLC (07/31/25)
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  • Information Technology Systems

    Parsons Corporation (Colorado Springs, CO)
    …teaming highly respected subject matter experts with brilliant technologists. Are you an experienced Systems Engineer looking to grow your skillset and work on a ... Amazon Web Services (AWS), Microsoft Azure **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this position.​… more
    Parsons Corporation (06/13/25)
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  • Systems Engineer Senior

    CACI International (Washington, DC)
    …with military grade communication systems and security protocols + Active Top Secret /SCI clearance + Relevant certifications such as CISSP, CCNP, or ... Systems Engineer Senior Job Category: Information...with at least 5 years focusing on complex communication systems + Expert knowledge of network architectures,… more
    CACI International (07/02/25)
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  • Lead, Systems Engineer

    L3Harris (Greenville, TX)
    …sea and cyber domains in the interest of national security. Job Title: Lead, Systems Engineer Job Code: 25792 Job Location: Greenville, TX (On-Site) Job ... Schedule: 1st Shfit 9/80 Job Description: The Lead Systems Engineer (SE) will be responsible for...DoD Clearance with abilty to obtain and maintain a Top Secret with SCI. + Current Secruity+… more
    L3Harris (07/16/25)
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  • Lead, Info Security Systems Engineer

    L3Harris (Palm Bay, FL)
    …solutions, trades, costs, implementation, system impacts, and effectiveness. + Ability to obtain Top Secret clearance preferred, active TS /SCI Clearance is ... of national security. Job Title: High Assurance Device Certification Engineer ( Secret Security Clearance) Job Code: 24471...5200.39 for the identification and protection of CPI. + Engineer trustworthy and secure systems in accordance… more
    L3Harris (06/13/25)
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  • Principal Systems / Cyber Security…

    RTX Corporation (Cedar Rapids, IA)
    …issued security clearance is required prior to start date with the ability to obtain Top Secret after start. + DOD 8570.01-M IASAE Level II or Level III ... nation and our products.** We are seeking a Principal Systems / Cyber Security Engineer to function...we prefer:** + Active and transferable US Government DoD TOP SECRET level clearance + Familiar with… more
    RTX Corporation (07/02/25)
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  • Systems Engineer

    SAIC (Colorado Springs, CO)
    **Description** **DESCRIPTION:** SAIC is seeking a Senior Systems Engineer to provide Systems Engineering and Technical Advisory (SETA) services in a ... dynamic, multi-organizational environment in **Colorado Springs, CO** . Active Top Secret /SCI clearance with current polygraph is required to start and must be… more
    SAIC (08/07/25)
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  • Principal / Sr. Principal RF Microwave Design…

    Northrop Grumman (Linthicum Heights, MD)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...clearance to meet business needs **Preferred Qualifications:** + Active Top Secret / SCI security clearance +… more
    Northrop Grumman (08/08/25)
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  • Cyber Software Test Engineer /Principal…

    Northrop Grumman (Chantilly, VA)
    …theories, concepts, and techniques **Preferred Qualifications for both levels:** + Active Top Secret /SCI security clearance + Software development experience. + ... is seeking a candidate to fill a **Software Test Engineer / Principal Software Test Engineer ** position....are operated globally. The team provides 24/7/365 subject matter expert (SME) support to ensure the systems more
    Northrop Grumman (08/09/25)
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