• System Engineer

    CACI International (Sarasota, FL)
    System Engineer Job Category: Engineering Time Type: Full time Minimum...+ Must be a US citizen with an active Top Secret /SCI DoD Security clearance with ... Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel...* **The Opportunity:** Join our team as a System Engineer and play a pivotal role in shaping the… more
    CACI International (12/20/25)
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  • Systems Engineer Sr.

    Lockheed Martin (Cape Canaveral, FL)
    …interact with system/ segment developers to ensure mission requirements are satisfied * Top Secret Security clearance ** Security Clearance Statement:** ... Space is a critical domain, connecting our technologies, our security and our humanity\. While others view space as...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information … more
    Lockheed Martin (01/17/26)
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  • Systems Engineer

    Lockheed Martin (Cape Canaveral, FL)
    …interface with numerous peers as part of the daily program operations * DoD Interim Top Secret Security Clearance; US Citizenship required * Ability to ... Space is a critical domain, connecting our technologies, our security and our humanity\. While others view space as...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information … more
    Lockheed Martin (11/05/25)
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  • Systems Engineer Sr. Staff

    Lockheed Martin (Cape Canaveral, FL)
    …affordability * Proposal preparation and negotiation experience * Top Secret clearance; US Citizenship Required ** Security Clearance Statement:** This ... Space is a critical domain, connecting our technologies, our security and our humanity\. While others view space as...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information … more
    Lockheed Martin (01/20/26)
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  • Survivability Engineer

    Lockheed Martin (Cape Canaveral, FL)
    …debris \(MMOD\) risk assessments via statistical and computational methods * Active Top Secret Clearance ** Security Clearance Statement:** This position ... Knowledgeable in Electronics and /or semiconductor physics * Active SECRET security clearance with the ability to...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information … more
    Lockheed Martin (01/08/26)
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  • Sr. Specialist/Specialist, Integration/Test…

    L3Harris (Palm Bay, FL)
    …iterative software development processes (Agile, SCRUM, Kanban) + Active Secret or Top Secret or TS /SCI clearance Preferred Additional Skills: + ... the space, air, land, sea and cyber domains in the interest of national security . Job Title: Sr. Specialist/Specialist, Ground System Integration & Test Engineer … more
    L3Harris (12/11/25)
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  • Senior Data Engineer Architecture C4ISR

    SOS International LLC (Tampa, FL)
    Tampa, FL, USA Full-time FLSA Status: Exempt Clearance Requirement: Top Secret /SCI **Company Description** Founded in 1989, SOSi is among the largest private, ... tailored solutions, tested leadership, and trusted results to enable national security missions worldwide. **Job Description** Overview This position is contingent… more
    SOS International LLC (11/21/25)
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  • Virtual Simulation Lab Engineer / Principal…

    Northrop Grumman (Melbourne, FL)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Systems has an opening for a Virtual Simulation Lab Engineer to join our team of qualified, diverse individuals....and Linux systems + Must have an **active DoD Top Secret ** clearance with a background investigation… more
    Northrop Grumman (12/02/25)
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  • Senior Scientist, Systems Engineer

    L3Harris (Melbourne, FL)
    …+ Ability to work autonomously and with others to resolve technical issues + Active Top Secret Security Clearance. Preferred Additional Skills: + Current US ... sea and cyber domains in the interest of national security . Job Title: Senior Scientist, Systems Engineer ...Government Top Secret //SCI Security Clearance +… more
    L3Harris (12/24/25)
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  • GNC Modeling & Simulation Staff Engineer

    Lockheed Martin (Orlando, FL)
    … clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression ... **Description:** Lockheed Martin is a global security and aerospace company that employs approximately 114,000...and interpersonal skills **Desired Skills:** * Active US DoD Top Secret clearance * Experience operating in… more
    Lockheed Martin (01/06/26)
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