• IT Systems Engineer

    ManTech (Chantilly, VA)
    …(SAN), clustering, and backup technologies. + Experience and proficiency with systems engineering concepts, principles, theories, and system modeling tools, ... **MANTECH** seeks a motivated, career and customer-oriented **IT Systems Engineer** to join our team in **Chantilly, VA.** **Responsibilities include but are not… more
    ManTech (12/20/25)
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  • Guidance, Navigation, & Control Engineer (Senior,…

    Lockheed Martin (Sunnyvale, CA)
    …with Matlab/Simulink and model development * C/C\+\+ and/or Matlab programming experience Security Clearance / Work Authorization: * To meet requirements of ... is required to start employment\. Applicants must possess a currently active Secret security clearance to be considered qualified\. * Selected candidates will be… more
    Lockheed Martin (12/11/25)
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  • Principal Engineer, Systems Engineering

    RTX Corporation (Melbourne, FL)
    …Type:** Unspecified **U.S. Citizen, US Person, or Immigration Status Requirements:** ** Security Clearance :** Rockwell Collins Inc. d/b/a Collins Aerospace has ... an opening for a Principal Engineer, Systems Engineering in Melbourne, FL. National and international required up to two times per year to attend industry seminars.… more
    RTX Corporation (12/09/25)
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  • Principal Engineer, Systems Engineering

    RTX Corporation (Cedar Rapids, IA)
    …Type:** Unspecified **U.S. Citizen, US Person, or Immigration Status Requirements:** ** Security Clearance :** Rockwell Collins Inc. d/b/a Collins Aerospace has ... an opening for a Principal Engineer, Systems Engineering in Cedar Rapids, IA. Joining Collins Aerospace isn't just about finding a job; it's about embarking on a… more
    RTX Corporation (12/09/25)
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  • Ground Systems Engineer

    Stratos Solutions (Chantilly, VA)
    Job Title: Ground Systems Engineer Location: Chantilly, VA Minimum Clearance Requirements: TS/SCI with Poly Position Summary: Stratos Solutions is seeking a ... highly skilled Ground Systems Engineer to support the development and management of...document system and software requirements, including performance, reliability, and security specifications. + Manage the development process, including working… more
    Stratos Solutions (12/04/25)
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  • Systems , Integration, and Test (SEIT)…

    Leidos (Huntsville, AL)
    …Must be a US Citizen and be able to obtain a DoD Secret security clearance with Leidos. Preferred Qualifications + Experience deriving and managing requirements. ... **Description** The Defense Systems Sector, is seeking a talented ** Systems...program's SEIT needs throughout its design life cycle, including modeling system behavior, documentation support, performing requirements verification and… more
    Leidos (12/03/25)
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  • Combat-Fire Control, Weapons, Platform…

    Rite-Solutions Inc. (Newport, RI)
    …Program Manager + U. S. Citizenship and an active Department of Defense security clearance . Previous Experience in the following elements/technical areas is ... + Support/perform modeling , simulation and prototyping for enhanced and new systems + Provide recommendations for process improvements to existing systems … more
    Rite-Solutions Inc. (10/24/25)
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  • Engineer - Image Processing, Control…

    MIT Lincoln Laboratory (Lexington, MA)
    …investigation and must be able to obtain and maintain a Secret level DoD security clearance . MIT Lincoln Laboratory is an Equal Employment Opportunity (EEO) ... integration and data fusion. + Familiarity with MATLAB, Python, or other modeling /simulation tools. + Experience with optical systems (FPAs, lasers, lenses,… more
    MIT Lincoln Laboratory (10/03/25)
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  • IT Systems Architect

    SOS International LLC (Fort Huachuca, AZ)
    Fort Huachuca, Arizona, USA Full-time FLSA Status: Exempt Clearance Requirement: Top Secret/SCI **Company Description** Founded in 1989, SOSi is among the largest ... tailored solutions, tested leadership, and trusted results to enable national security missions worldwide. **Job Description** **_**This Position is Contingent Upon… more
    SOS International LLC (12/09/25)
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  • Antenna Engineer

    Precise Systems, Inc. (Crane, IN)
    … Clearance : SECRET Must be able to obtain and maintain a Secret security clearance . Due to the sensitivity of customer-related requirements, US Citizenship is ... expertise in the design, development, and test of radar antenna systems , the modeling and measurement of antenna near-field and far-field RF antenna patterns;… more
    Precise Systems, Inc. (11/30/25)
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