• AI Software Engineer ( junior

    Lockheed Martin (Fort Worth, TX)
    …* Experience leading other engineers or small teams * Familiarity with transitioning prototype software to production * Top Secret // SCI Clearance ... our customers in the field\. What you'll be doing: * Developing software products that implement Artificial Intelligence to provide discriminating capability to our… more
    Lockheed Martin (10/25/25)
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  • Senior Software Quality Assurance…

    RTX Corporation (Richardson, TX)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** Top Secret - Current Collins Aerospace, an RTX company, is a leader ... and support the implementation of improvement activities + Mentor and train junior Software Quality/Process Assurance engineers + Participate in product… more
    RTX Corporation (12/17/25)
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  • Scientist, Software Engineer

    L3Harris (Greenville, TX)
    …as Git and SVN. Preferred Additional Skills: + Active US Top Secret /SCI clearance. + Demonstrated experience with software configuration management tools (eg ... in the interest of national security. Job Title: Scientist, Software Engineer Job Code: 30613 Job Location:...development process. + Mentor and provide technical guidance to junior engineers. Qualifications: + Active US Secret more
    L3Harris (11/07/25)
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  • Lead, Software Engineer

    L3Harris (Greenville, TX)
    …sea and cyber domains in the interest of national security. Job Title: Lead, Software Engineer Job Code: 30612 Job Location: Greenville, TX Schedule: 9/80 Job ... Description: L3Harris is currently seeking a Lead, Software Engineer to join our team. This...Bash and Python. Preferred Additional Skills: + Active US Top Secret /SCI clearance. + Experience in Design… more
    L3Harris (11/05/25)
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  • Senior Mechanical Engineer - Electronics…

    RTX Corporation (Richardson, TX)
    …only US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret Job Description Collins Aerospace, an RTX company, is a ... team is seeking a highly motivated Senior Level Mechanical Engineer that is passionate about the development of electronics...+ Active possession of an active US government issued Secret or Top Secret clearance.… more
    RTX Corporation (12/09/25)
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  • Principal Mechanical Engineer - Machine…

    RTX Corporation (Richardson, TX)
    …only US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret Collins Aerospace, an RTX company, is a leader in ... (ISSE) engineering team is seeking a self-motivated Principal Mechanical Engineer that thrives in the design, development, and integration...Prefer:** + Possession of an active US government issued Secret or Top Secret clearance.… more
    RTX Corporation (10/29/25)
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  • Senior Software Development Engineer

    Oracle (Austin, TX)
    …thrives, providing the connective tissues and purpose-built solutions. We are seeking a ** Software Development Engineer (SDE)** to join ASC team within the ... + **Mentorship and Leadership** : Operating independently, you mentor junior engineers, promoting best practices in software ...requires a US Citizens while possessing and maintaining a TS /SCI eligibility with poly required + BS or MS… more
    Oracle (12/12/25)
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  • 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 ... positioned to build relationships and cross collaborate with other junior and senior software developers, CEM codes...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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  • 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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  • Cyber Systems Security Engineer - Level 2

    Lockheed Martin (Fort Worth, TX)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of ... right munitions to accomplish their missions\. Seeking well\-rounded experienced engineer with strong background in real\-time and heterogeneous laboratory… more
    Lockheed Martin (11/13/25)
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