• Systems Engineer III - Model Based Systems…

    Sierra Nevada Company, LLC (Plano, TX)
    …and mission critical success. The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it ... and integration across multiple programs + Define and document system architecture requirements and ensure traceability to system models + Collaborate with… more
    Sierra Nevada Company, LLC (01/08/26)
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  • Sr. SOAR Engineer- Splunk SOAR/Phantom | Remote,…

    Optiv (Austin, TX)
    …continental US_ We are seeking a highly skilled and experienced Senior Security Orchestration, Automation, and Response (SOAR) Engineer to join our managed services ... Senior SOAR Engineer, you will play a pivotal role in enhancing our clients' security posture by managing client SOAR solutions. Your expertise will help automate … more
    Optiv (12/06/25)
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  • Lead, Systems Engineer

    L3Harris (Greenville, TX)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Lead , Systems Engineer Job Code: 32705 Job Location: Greenville, TX ... physical architectures incorporating voice, video, and data capability across multiple security domains. + Create System Block Diagrams. + Review and evaluate… more
    L3Harris (01/15/26)
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  • Open Source Architect

    Insight Global (Fort Worth, TX)
    …OSPO strategy. The architect will work closely with IT, product teams, security , compliance, and executive leadership to ensure that OSS adoption accelerates ... Strategic Program Leadership Define and drive the OSS transformation roadmap, aligning architecture decisions with business objectives and OSPO vision. Serve as the… more
    Insight Global (01/14/26)
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  • Privileged Access Management (PAM) Infrastructure…

    Citigroup (Irving, TX)
    …tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine ... We'll enable growth and progress together. **About the Team:** The **Chief Information Security Office (CISO)** is home to deeply talented colleagues that work to… more
    Citigroup (01/08/26)
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  • Network/Systems Architect (Remote)

    GovCIO (Austin, TX)
    …good security practices in data center, platform and infra architecture , design and development to implement secure solutions. **Qualifications** Bachelor's with ... (or commensurate experience) Required Skills and Experience + Extensive Data Center architecture and design experience + Data Center rack and stack experience +… more
    GovCIO (01/16/26)
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  • Systems Engineer Sr. - Orlando, FL or Dallas

    Lockheed Martin (Grand Prairie, TX)
    …& Requirements Engineer, you will be responsible for: * Developing a system architecture using MBSE techniques * Developing models for current and future system ... Supporting internal and external design reviews * Performing system architecture design using SysML based tools * Performing trade...candidate must have the ability to obtain a Secret Security Clearance\. An Interim Secret Clearance is required to… more
    Lockheed Martin (11/06/25)
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  • Senior Software Developer-Mac/iOS

    Oracle (Austin, TX)
    …software architecture . + Conduct code reviews, threat modelling, and security assessments to proactively identify and address vulnerabilities. + Stay informed on ... and LDAP. + Deep understanding of Windows and macOS internals, including system architecture , low-level APIs, and built-in security features such as BitLocker,… more
    Oracle (12/21/25)
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  • Project Manager

    CACI International (San Antonio, TX)
    …integration. * Oversee cross-functional teams delivering solutions that enhance security , interoperability, and scalability across enterprise and cloud environments. ... * Drive adoption of Zero Trust security principles, ensuring secure access and data protection across networks, systems, and applications. * Manage initiatives that… more
    CACI International (11/20/25)
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  • FDE Lead Engineer (GCP)

    TEKsystems (Dallas, TX)
    …on GCP. * Familiarity with CI/CD pipelines, infrastructure automation, and security best practices. * Contributions to open-source projects, published research, or ... story-there's never been a more exciting time to join us. Skills Architecture , Cloud, google cloud, Design, Solution architecture , Development, Enterprise … more
    TEKsystems (01/15/26)
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