• Principal/ Sr Principal Engineer Embedded…

    Northrop Grumman (San Antonio, TX)
    …and the Agile software development process + An active DoD Secret clearance. **Sr. Principal Crypto Software Engineer Basic Qualifications:** + Bachelor's ... + Experience using Jira/Bitbucket/Git and the Agile software development process + An active DoD Secret clearance....+ Familiarity with Green Hills AdaMulti + Current active Secret or Top Secret Clearance… more
    Northrop Grumman (10/28/25)
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  • Sr Principal Systems Software Engineer

    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 ... all technical solutions are robust, scalable, and aligned with mission and business objectives. The Senior Principal Software Engineer provides strategic… more
    Sierra Nevada Company, LLC (11/14/25)
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  • Sr Software Systems Engineer

    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 ... The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and… more
    Sierra Nevada Company, LLC (11/01/25)
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  • Sr Principal Systems Engineer

    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 ... The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and… more
    Sierra Nevada Company, LLC (11/20/25)
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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 + ... **About Lumen** Lumen connects the world. We are igniting business growth by connecting people, data and applications -...trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to… more
    Lumen (11/20/25)
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  • Principal Systems Software Engineer

    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 ... The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and… more
    Sierra Nevada Company, LLC (11/18/25)
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  • Staff Engineer Embedded Software

    Northrop Grumman (San Antonio, TX)
    …Hills AdaMulti + Familiarity with Static Analysis and Unit Testing + Current active Top Secret Clearance + Current active SAP clearance + Currently engaged in ... join our team as a Staff Embedded Crypto Software Engineer based out of Annapolis Junction, MD, Chantilly, VA...+ Experience using Jira/Bitbucket/Git and the Agile software development process + Active (DoD) Secret level security… more
    Northrop Grumman (10/28/25)
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  • Lead, Project Engineer

    L3Harris (Waco, TX)
    …Secret Security Clearance with the ability to obtain and maintain a DoD Top Secret (SCI) Security Clearance, which requires US Citizenship. + Demonstrated ... Job Description: L3Harris is actively seeking a Lead Project Engineer (PE) to support the bid and execution of...Documenting and approval of program plans + Ensuring life-cycle process adherence + Risk identification and management + Customer… more
    L3Harris (10/30/25)
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  • Sr. Mechanical Engineer - Electronics…

    RTX Corporation (Richardson, TX)
    …tools. **Qualifications We Prefer:** + Active possession of an active US government issued Secret or Top Secret clearance. + Practical experience in design ... citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret Collins Aerospace, an RTX company, is a leader in technologically… more
    RTX Corporation (10/26/25)
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  • Principal Systems Engineer - NC3 Programs…

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