• Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …considered with the ability to obtain a Top Secret with SCI Job Description: Mid-Senior level Systems Engineer to perform data analysis in tactical data link ... the interest of national security. Job Title: Sr. Specialist, Systems Engineer - COMMS & Datalink Job...Data Link (eg Link16, CMF, etc.) or other communcation systems in single and Multi- Level Security environments.… more
    L3Harris (11/01/25)
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  • Principal Engineer , Systems

    RTX Corporation (Cedar Rapids, IA)
    …cost constraints; and perform architectural explorations. + Decompose customer specifications and system level requirements into sub- system and piece part ... d/b/a Collins Aerospace has an opening for a Principal Engineer , Systems Engineering in Cedar Rapids, IA....multiple subsystem functional areas. + Must possess at least 2 years of experience with performing system more
    RTX Corporation (12/09/25)
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  • Systems Engineer

    Lockheed Martin (Littleton, CO)
    …hiring levels 2 \-5\. If you are interested in joining LM and working as a Systems Engineer , please apply to this requisition\. - - - **What does this role ... systems \. * Experience developing and managing technical baselines, system architectures, and interface control documents \(ICDs\)\. * Proficiency with… more
    Lockheed Martin (11/02/25)
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  • Principal/Sr. Principal Engineer RF…

    Northrop Grumman (Beavercreek, OH)
    …and materials. **_**This role may be filled at_** **Principal RF Microwave Design Engineer ** **_( Level 3) or Sr. Principal RF Microwave Design Engineer_** **_( ... Level 4)._** **Basic Qualifications for Principal RF Microwave Design Engineer ( Level 3):** + Bachelor's degree Electrical Engineering or Physics with 5 years… more
    Northrop Grumman (10/30/25)
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  • Systems Engineer II

    RTX Corporation (Woburn, MA)
    …that create a safer, more secure world. Raytheon is looking for a **Radar Systems Engineer II** to support the Missile Defense Sensors (MDS) department. The ... skills + Experience with MS Office Suite + Experience with system level requirements development, documentation and maintenance and/or requirements… more
    RTX Corporation (10/31/25)
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  • Specialist, Info Security Systems

    L3Harris (Broomfield, CO)
    …domains in the interest of national security. Job Title: Specialist, Information Security Systems Engineer Job Code: 31060 Job Location: Boulder/North Denver, CO ... to the architecture, design, development, evaluation and integration of systems and networks to maintain system security....experience, or + Graduate Degree and a minimum of 2 years of prior related experience or + In… more
    L3Harris (11/12/25)
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  • Senior MBSE Systems Engineer

    CACI International (Sterling, VA)
    Senior MBSE Systems Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of ... of Travel: None * * * **The Opportunity:** Join CACI as a Model-Based Systems Engineer (MBSE) and contribute to a dynamic counter-unmanned aircraft systems more
    CACI International (11/18/25)
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  • Systems Engineer - CONOPS & Mission…

    Lockheed Martin (Sunnyvale, CA)
    …with knowledge of space, missile and launch systems at the component through system level * Experience developing space system CONOPS, ICDs, fault ... critical national capabilities\. As a **CONOPS and Mission Operations Engineer ** , you will: * Define the concept of...link\. **Basic Qualifications:** * Experience with one or more systems engineering functions including: a\) System trade… more
    Lockheed Martin (12/25/25)
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  • Information Systems Security…

    ARSIEM (Annapolis Junction, MD)
    …to have an impact on every client you work with. ARSIEM seeks an Information Systems Security Engineer 3 . This position will support one of our government ... security designs. + Design, develop, implement and integrate Cybersecurity and security systems and system components, including those for networking, computing,… more
    ARSIEM (10/14/25)
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  • Systems Engineer II

    RTX Corporation (Marlborough, MA)
    …you thrive in dynamic environments? Raytheon is seeking a talented and motivated **Principal Systems Engineer ** to join our team within the Systems ... or Pelham NH.** **What You Will Do:** In this Systems Engineer role, you will support the...Develop requirements and algorithms, concepts of operations, and define system interfaces. + Lead Testing Efforts: Develop and implement… more
    RTX Corporation (12/09/25)
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