• Principal Elasticsearch Systems Engineer

    Leidos (Bethesda, MD)
    …opportunity for a **Principal** **Elasticsearch Systems Engineer** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our ... Leave, and much more. **Join us and make a difference in National Security !** **Job Summary** The Principal Elasticsearch Systems Engineer role provides support… more
    Leidos (10/30/25)
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  • Model Based Systems Engineer

    SAIC (El Segundo, CA)
    **Description** SAIC is seeking a **Model Based Systems Engineer** , specialized in Systems of Systems (SoS) Architectures, in **El Segundo, CA** , to ... provide systems engineering, mission architecting and analysis support to the...system architectures and plans + Must have an in-scope security background investigation (T5), adjudicated for SCI eligibility and… more
    SAIC (12/24/25)
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  • Senior Radar Systems Engineer

    SAIC (Crane, IN)
    **Description** SAIC is seeking a highly qualified and experienced **RADAR Systems Engineer** for an immediate opening with the SENSE + INTERDICTION (SENSEI) Counter ... Unmanned Aerial Systems (CUAS)/Counter Unmanned Systems (CUxS) Research and...capabilities that meet operational requirements. + Provide specific, detailed information for selection of the most efficient solution to… more
    SAIC (12/23/25)
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  • Ground Systems Engineer

    SAIC (Chantilly, VA)
    systems , integrating MBSE tools into a digital thread to connect siloed information systems . + Leverage digital twin technologies and modeling and simulation ... Systems Engineer to work on complex projects crucial to our national security objectives. They will provide Systems Engineering and Technical Advisory (SETA)… more
    SAIC (12/13/25)
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  • Space Systems Advanced Development Chief…

    SAIC (El Segundo, CA)
    **Description** **JOB DESCRIPTION:** SAIC is seeking a Space Systems Advanced Development Chief Engineer to join our MSEIT team in El Segundo, CA. You will join the ... MILSATCOM Systems Engineering team to help shape the next generation...prototype hardware and software. + Must have an in-scope security background investigation (S or TS), and SCI eligible… more
    SAIC (12/12/25)
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  • Senior Systems Enterprise Architect

    SAIC (Chantilly, VA)
    …architecture that provides global, persistent, real-time surveillance and activity-based intelligence information . As a Systems Enterprise Architect, you will ... **Description** **JOB DESCRIPTION:** SAIC is seeking a Senior Systems Enterprise Architect with a strong desire to...+ Must be a US Citizen with active TS/SCI security clearance with CI polygraph. + Understanding of the… more
    SAIC (12/06/25)
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  • Senior Ground Segment Systems Engineer

    SAIC (El Segundo, CA)
    …to the US Space Force (USSF) in developing, deploying, and sustaining a National Security Space system within the Space Systems Command Space Domain Awareness ... will do on the job: + Help shape various systems architecting and engineering activities such as system requirements...ability to obtain and maintain access to Sensitive Compartmented Information and Special Programs and be willing to consent… more
    SAIC (12/05/25)
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  • Principal Systems Engineer

    SAIC (Colorado Springs, CO)
    **Description** SAIC seeks a highly experienced and energetic Principal Systems Engineer to support the US Space Force, Space Systems Command, in performing ... government customer, the SAIC Program Manager, and the Chief Engineer, the Systems Engineer is responsible for responsive and coherent planning, development and… more
    SAIC (12/03/25)
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  • C2 Systems Analyst IV

    Linchpin Solutions, Inc. (Quantico, VA)
    …vary depending on the employee's position, date of hire, and contract terms. Cyber Security Message Linchpin Solutions follows a specific recruiting practice to ... Service/coalition partners Requirements Education & Certifications + Bachelor's degree in Information Technology, Systems Engineering, or related field +… more
    Linchpin Solutions, Inc. (11/22/25)
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  • Mid-Career Cybersecurity Technologist

    Lockheed Martin (Littleton, CO)
    …continuous cyber support for our classified environments\. The Rotary and Mission Systems \(RMS\) Classified Cyber Security organization is seeking a ... Classified Cyber Security professional to deliver automated, sustainable, and consistent ...security objectives, Operational objectives, Risk mitigation strategies for information systems \- Demonstratable experience working with… more
    Lockheed Martin (10/11/25)
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