• Sr Principal Systems Engineer

    Northrop Grumman (Melbourne, FL)
    …in a STEM discipline with 4 years of experience. + Must have an **active DoD Secret clearance** or higher (with a background investigation completed within the ... and software configuration throughout development lifecycle + Already possess an Active DoD TS Clearance + Already possess an Active Program Specific SAP… more
    Northrop Grumman (10/28/25)
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  • Secure Infrastructure Design Developer (Senior/…

    RTX Corporation (Richardson, TX)
    …with the ability to convey complex technical concepts to non-technical stakeholders. + Active DoD Top Secret clearance. Some of our competitive benefits ... Design and Networking team is seeking a Solution Design Engineer for an on-site role based in Richardson, TX....is 100% onsite in Richardson, TX, and requires a DoD Secret clearance. Top … more
    RTX Corporation (11/12/25)
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  • Systems Integrator

    SAIC (Arlington, VA)
    …(CISSO), or Certified Secure Software Lifecycle Professional (CSSLP). An active SECRET clearance, with eligibility for Top Secret /SCI, is required ... with DoD security protocols and operational standards by leveraging software bill of materials (SBOMs) and proper configuration practices. This contingent… more
    SAIC (01/16/26)
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  • Network Engineer , Journeyman

    SMX (Patuxent River, MD)
    …in a technical or scientific field from an accredited college or university + Active DoD Secret Clearance with ability to obtain and maintain a higher level if ... Network Engineer , Journeyman (4724)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent...Allies and Partner nations with FMS cases + Performs software acquisition functions, requirements management, design and develop … more
    SMX (01/07/26)
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  • Network Engineer - Decentralized Services…

    Red Gate Group (Arlington, VA)
    …excellence and employee wellbeing. The Red Gate Group is seeking a Network Engineer to provide on-site support to the Advanced Resilience portfolio in the area ... should possess technical expertise and experience in network engineering of DOD classified networks, notably the design, implementation, operations, and maintenance… more
    Red Gate Group (11/22/25)
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  • Senior Specialist, Info Security Systems…

    L3Harris (Broomfield, CO)
    …of prior related experience. + Must have active Secret security clearance, TS /SCI preferred. + DoD 8140.03 IAT Level 3 certification Preferred Additional ... (SAPP). + Experience with A&A package processing in eMASS and Xacta. + Experience in DoD software selection and approval processes for COTS, GOTS and FOSS. +… more
    L3Harris (11/12/25)
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  • Senior Information Systems Security Officer

    AeroVironment (Jessup, MD)
    …local internal equity as well as alignment with market data. **Clearance Level** Top Secret with Poly **ITAR Requirement:** _T_ _his position requires access ... in compliance with Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF). + Assists with the management of… more
    AeroVironment (12/17/25)
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  • Sentinel - Sr Principal Engineer…

    Northrop Grumman (Roy, UT)
    …Security Engineering Team (SSE) is seeking a highly motivated and qualified Sr. Principal Software Engineer to serve as a System Security Software Assurance ... to program plans, goals, objectives, and milestones to for Software & Hardware Assurance + Participate in a variety...be a US Citizen with an active US Government DoD Secret security clearance at time of… more
    Northrop Grumman (01/14/26)
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  • R&D RFIC Design Engineer , Hybrid

    Sandia National Laboratories (Albuquerque, NM)
    …convincing evidence of quality designs. + LabVIEW, MATLAB, and C++ programming experience. + Active DOD TS or DOE Q level clearance. About Our Team: The Advance ... and Microsystems department (5255) seeks an R&D Microwave and Sensor Engineer to design, fabricate, test, qualify, and deliver custom-designed microwave components.… more
    Sandia National Laboratories (01/07/26)
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  • Systems Engineer

    KBR (Chantilly, VA)
    Title: Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to ... future of space defense. KBR is seeking a Systems Engineer (SE) to support the SSPO Systems Engineering and...completeness across the acquisition + Leverage a variety of software tools including DOORS, and perform analysis and automation… more
    KBR (12/31/25)
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