• Computational Electromagnetics Software

    Lockheed Martin (Fort Worth, TX)
    …programming languages, particularly Modern Fortran, C, and/or C\+\+ \- Ability to obtain Top Secret Clearance **Desired Skills:** \- 1\+ years of experience in ... Transformation development roadmap\. We are seeking a mid\-career CEM software developer to join our team\. This role is...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (12/10/25)
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  • Lead , Systems Engineering (SIGINT/COMINT)

    L3Harris (Greenville, TX)
    …Active SECRET clearance required at the time of hire with the ability to obtain a Top Secret with SCI. + Must be able to successfully pass an FAA Class 3 ... domains in the interest of national security. Job Title: Lead , Systems Engineer (SIGINT/COMINT) Job Code: 30387...for working with the Customer, other Systems Engineers, and Software engineers to design, implement, and test new functionality.… more
    L3Harris (10/26/25)
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  • Senior Principal Systems Engineer

    RTX Corporation (Mckinney, TX)
    …ABET approved college or university. + Active and transferable US government issued Top Secret security clearance + Experience in technical writing (eg, System ... only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current **Raytheon Company, Managed by Collins Aerospace** At Collins… more
    RTX Corporation (11/04/25)
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  • Senior Principal Electrical Engineer

    RTX Corporation (Richardson, TX)
    …US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret Joining Collins Aerospace isn't just about finding a job; ... in Richardson, TX with analog and VLF/LF-design experience. The Senior Principal Electrical Engineer is a lead position responsible for clean sheet and upgrade… more
    RTX Corporation (11/12/25)
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  • Sr Principal Systems Engineer

    RTX Corporation (Richardson, TX)
    …only US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret **Are you looking to make a meaningful, positive impact ... to recapitalize with the next-generation capabilities. As our next **Senior** **Principal Systems Engineer ** we will provide the training and tools to help grow the… more
    RTX Corporation (11/01/25)
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  • KBR DoD SkillBridge Internship - Multiple Roles…

    KBR (Houston, TX)
    …of Roles Engineering & Technical + Electrical & Instrumentation Designer + Big Data Systems Engineer ( TS /SCI clearance) + Lead Flight Engineer + Aircraft ... IT, logistics, or business operations Preferred Qualifications + Existing Secret or Top Secret /SCI clearance...+ Cybersecurity Analyst + Mission IT Support roles + Software Engineer (Clearance required) Program & Project… more
    KBR (11/22/25)
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  • Sr IT Systems Engineer - Pub SEC

    Lumen (San Antonio, TX)
    …upgrades **What We Look For in a Candidate** Basic Qualifications: + **Requires a Top Secret /SCI clearance** + On-call after hours/on-call support as required + ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...and shape the future. **The Role** The IT Systems Engineer II provides advanced Tier II support by troubleshooting… more
    Lumen (12/10/25)
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  • AI Research Engineer Staff (hybrid, Grand…

    Lockheed Martin (Grand Prairie, TX)
    …* Experience leading other engineers or small teams * Familiarity with transitioning prototype software to production * Top Secret // SCI Clearance ... that provide discriminating capability to our customers\. With a strong focus on software engineering and computer science, this role is perfect for someone who is… more
    Lockheed Martin (10/25/25)
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  • Senior Systems Engineer (Onsite)

    RTX Corporation (Richardson, TX)
    …by Collins Aerospace** Collins Aerospace is looking for a talented **Senior Systems Engineer ** **with an active TS /SCI clearance** to work onsite in Richardson, ... the program: sustainment, infrastructure and/or modernization. + You will work with the Lead Systems Engineer to ensure the overall system execution is reliable,… more
    RTX Corporation (12/03/25)
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  • Senior Systems Engineer - NC3 Programs…

    RTX Corporation (Richardson, TX)
    …issued security clearance is required prior to start date with the ability to obtain Top Secret after start. + US citizenship is required, as only US citizens ... citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current **Are you looking to make a...military aircraft recapitalization programs. As our next **Senior Systems Engineer ** and as a member of our team, you… more
    RTX Corporation (10/09/25)
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