• Associate Systems Engineer

    The MITRE Corporation (Shrewsbury, NJ)
    …most challenging Systems Engineering problems. This is an opportunity a Systems Engineer who is highly motivated, innovative, and proactive. This position ... or obtain, within one year from the date of hire, the following clearance(s): Top Secret Salary compensation range and midpoint: $75,500 - $94,500 - $113,500… more
    The MITRE Corporation (12/22/25)
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  • Senior Security Systems Engineer

    Cydecor, Inc. (Dahlgren, VA)
    …to Excellence, what separates us. Job Description: Cydecor is seeking a Senior Security Systems Engineer to support cybersecurity and systems engineering for ... Environment (CE) training within six (6) months of hire. Security Clearance: + Active Top Secret or higher required (SCI eligibility preferred). + Any Validator… more
    Cydecor, Inc. (12/21/25)
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  • Enterprise Systems Engineer

    Noblis (Chantilly, VA)
    Responsibilities Noblis ESI is seeking an **Enterprise Systems Engineer ** with a national space enterprise and ground systems engineering background to work ... partners and other DoD/IC customers Required Qualifications + Must have an active Top Secret /SCI clearance with a Counter-Intelligence Polygraph + US Citizenship… more
    Noblis (12/19/25)
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  • Model Based Systems Engineer SME

    KBR (Colorado Springs, CO)
    Title: Model Based Systems Engineer SME KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers ... Travel Requirements: Minimal + Working Hours: Standard Required Qualifications: + Active DoD Top Secret clearance and ability to obtain a Special Compartmented… more
    KBR (12/18/25)
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  • Modernization Systems Engineer - SE0

    Lockheed Martin (Hanover, MD)
    …used for contingent offers\. \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph SE0: * A High School ... systems engineering experience OR * A Bachelor's degree in Systems Engineer , Computer Science, Information Systems , Engineering Science, Engineering… more
    Lockheed Martin (12/10/25)
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  • Senior Ground Segment Systems

    SAIC (El Segundo, CA)
    **Description** SAIC is seeking you, our latest experienced Senior Ground Segment Systems Engineer to support to the US Space Force (USSF) in developing, ... sustaining a National Security Space system within the Space Systems Command Space Domain Awareness and Combat Power (SSC/SZ)...experience in lieu of degree). + Requires an active Top Secret clearance with the ability to… more
    SAIC (12/05/25)
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  • Sr Principal Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …(https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret US Security Clearance. US Citizenship ... with internal teams, SMEs, program management, customer representatives, and subcontractors. The Systems Architect works closely with the Chief Engineer and the… more
    Sierra Nevada Company, LLC (12/03/25)
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  • Software Systems Engineer

    Space Dynamics Laboratory (Albuquerque, NM)
    …The Space Dynamics Laboratory (SDL) Strategic Military Space Division is seeking an Software Systems Engineer with expertise to serve as liaison for the customer ... & Military Space Division delivers advanced satellite and sensor systems that support the Department of Defense and the...be a US citizen and have an active DoD Top Secret Security Clearance and be SAP… more
    Space Dynamics Laboratory (11/28/25)
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  • Senior Systems Engineer

    Leidos (Gaithersburg, MD)
    …Solutions Business Area, is currently seeking a highly motivated and experienced Senior Systems Engineer for the Chinook Program. The selected candidate will ... lead systems engineering activities across the enterprise to help the...St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able… more
    Leidos (11/22/25)
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  • Enterprise Systems Engineer - Data

    Noblis (Bethesda, MD)
    Responsibilities Noblis is seeking an experienced Enterprise Systems Engineer with a data focus to work in a dynamic mission-oriented environment within ... in enterprise architecture and data management. **Enterprise Architecture & Systems Design:** + Design and implement enterprise-level data replication...Must be a US citizen and have an active Top Secret Clearance with SCI and Polygraph.… more
    Noblis (11/19/25)
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