• Sr. Scientist, Systems Engineer

    L3Harris (Greenville, TX)
    …+ Travel up to 10% of the time. + Ability to obtain and maintain a Top Secret with SCI. Clearance. + Other duties as assigned by Supervisor. Qualifications: + ... technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job...be a US Citizen. Preferred Additional Skills: + Active Top Secret with SCI. #LI-AH1 L3Harris Technologies… more
    L3Harris (11/01/25)
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  • Sr. Specialist, Systems Engineer (Avionics)

    L3Harris (Greenville, TX)
    …an Active Secret clearance at the time of hire with the ability to attain Top Secret with SCI. + Must be a US citizen. Preferred Additional Skills: + ... technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job...DOORS/Jira. + FAA Compliance and Certification experience. + Active Top Secret with SCI. #LI-AH1 L3Harris Technologies… more
    L3Harris (09/24/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …active Secret clearance at the time of hire with the ability to obtain a Top Secret with SCI. + Must be a US Citizen. Preferred Additional Skills: + Active ... technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job... Top Secret with SCI. + CI Poly.… more
    L3Harris (11/01/25)
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  • Sr. Specialist, Information Security Systems…

    L3Harris (Plano, TX)
    …and TOC-L. + Active Secret clearance or higher; eligibility for Top Secret /SCI preferred. + Excellent communication skills for interfacing technical and ... Schedule: 9/80 Job Description: We are seeking a skilled Cyber Security Engineer to support the Battle...collaborating with government stakeholders to obtain Interim Authority to Test (IATT) for the integrated C2 prototype. The ideal… more
    L3Harris (10/23/25)
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  • Software Quality Engineer Opportunities…

    Lockheed Martin (Grand Prairie, TX)
    …Media, Corrective Action, Preventive Action, Root Cause Analysis\) **Desired Skills:** * Active DoD Secret or Top Secret Clearance * Defense or Aerospace ... and Risk Management Framework \(RMF\) * Experience with embedded security solutions, cyber security concepts for Test Equipment, and security protocol design… more
    Lockheed Martin (08/29/25)
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  • Sr. Associate, Systems Engineer

    L3Harris (Greenville, TX)
    Secret Clearance at the time of hire with the ability to obtain a Top Secret with SCI. Preferred Additional Skills: + Coursework and/or experience in systems ... technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job...interest of national security. Job Title: Sr. Associate, Systems Engineer Job Code : 29383 Job Location: Greenville, TX… more
    L3Harris (10/01/25)
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  • Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …of aircraft RF and satellite communications systems, or cryptographic equipment. + Must have an active Top Secret with SCI at the time of hire. + Must be a US ... deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Specialist, Systems… more
    L3Harris (11/08/25)
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  • Lead, Software Engineer

    L3Harris (Greenville, TX)
    …scripting languages such as Bash and Python. Preferred Additional Skills: + Active US Top Secret /SCI clearance. + Experience in Design Patterns and Frameworks. + ... technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job...the interest of national security. Job Title: Lead, Software Engineer Job Code: 30612 Job Location: Greenville, TX Schedule:… more
    L3Harris (11/05/25)
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  • Sr. Spec, Systems Engineer (Avionics)

    L3Harris (Waco, TX)
    …Clearance at the time of hire with the ability to obtain and maintain a DoD Top Secret with (SCI) Security Clearance. . Must be a US Citizen. #LI-AH1 L3Harris ... Engineer (SE) to support requirement development, design, development, test , and integration of complex, specialized hardware/software systems installed on… more
    L3Harris (10/03/25)
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  • DevOps Engineer II

    Sierra Nevada Company, LLC (Plano, TX)
    …. **IMPORTANT NOTICE:** This position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship status is required as this ... We are seeking an Experienced DevSecOps Engineer to support development and integration of next-generation...critical part in instantiating and managing a Integration, Development, Test and Training Environment (IDT2E) to support unifying data… more
    Sierra Nevada Company, LLC (10/22/25)
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