• Systems Engineer

    BAE Systems (Manchester, NH)
    …or experience with Agile Systems Engineering + Active United States security clearance , Top Secret, SCI Eligible **Pay Information** Full-Time Salary Range: ... **Job Description** Ready to make a difference? BAE Systems is looking Systems Engineering Leads...Year with PHD + Possess an Active US Government security clearance (with ability to possess TS)… more
    BAE Systems (11/07/25)
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  • Systems Engineering Section Manager

    BAE Systems (Nashua, NH)
    …100% of the time **Required Education, Experience, & Skills** + Active DoD Secret security clearance . + Bachelor's degree in a technical field such as ... Software, or Electrical Engineering. + Active DoD Top Secret security clearance . + Additional technical depth in...(EA) or Electronic Support Measures (ESM) + Model Based Systems Engineering (MBSE) experience. + System Performance Modeling more
    BAE Systems (11/07/25)
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  • Associate Systems Engineer

    The MITRE Corporation (Bedford, MA)
    …eligibility requirements, you must be a US Citizen to be considered for a security clearance . + This position requires a minimum of 50% hybrid on-site ... This position provides challenging opportunities to apply and expand one's systems architecture, modeling and tradespace analysis skills. Specific areas… more
    The MITRE Corporation (12/14/25)
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  • Junior Information Systems Security

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Junior Information Systems Security Officer (ISSO)** in our **National Security ... Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and … more
    Leidos (12/04/25)
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  • Sr Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …Validation (V&V) principles + The ability to obtain and maintain a Top Secret US Security Clearance is required + Systems Engineering Expertise: + Proven ... SNC is on the lookout for a Systems Engineer with expertise in sensor systems...ability to obtain and maintain a Top Secret US Security Clearance . US Citizenship status is required… more
    Sierra Nevada Company, LLC (09/24/25)
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  • Principal / Senior Principal Systems

    Northrop Grumman (Redondo Beach, CA)
    …position is contingent upon acquiring and maintaining a US Government security clearance per customers' requirements.** **Basic Qualifications for Principal ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Polygraph TRAVEL: Yes, 10% of the...our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,… more
    Northrop Grumman (11/25/25)
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  • Senior Principal Systems Engineer…

    RTX Corporation (Mckinney, TX)
    …US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship ... required, as only US citizens are eligible for a security clearance ​ ** Security Clearance...Test Plans, Instruction manuals, etc.) + Experience with System Modeling Language (SysML) and Model-Based Systems Engineering… more
    RTX Corporation (11/04/25)
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  • Lead, Systems Engineering

    L3Harris (Clifton, NJ)
    …by law. Please be aware many of our positions require the ability to obtain a security clearance . Security clearances may only be granted to US citizens. In ... sea and cyber domains in the interest of national security . Job Title: Lead, Systems Engineering Job...systems based on analysis and testing results. System Modeling and Simulation Lead Functions: + Develop, maintain, and… more
    L3Harris (10/22/25)
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  • Engineer Senior SIGINT Mission Systems

    BAE Systems (Fairborn, OH)
    …requirements. + You will be expected to develop new tools and algorithms for mission systems modeling and data analysis. + As a team member,you will contribute ... has the ability to be filled in 2 BAE Systems SMS locations: Boulder, Colorado or Fairborn, Ohio.** **What...US Department of Education. + A current, active TS/SCI security clearance is required. + Experience with… more
    BAE Systems (12/13/25)
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  • Systems Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    …with modeling and simulation in a defense or national security environment + Experience with computational analysis, Monte Carlo simulations, multi-physics ... modeling , model-based systems engineering (MBSE), or agent-based modeling +...Clearance : Applicants selected will be subject to a security investigation and may need to meet eligibility requirements… more
    BOOZ, ALLEN & HAMILTON, INC. (11/19/25)
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