• Principal Systems Software Analyst…

    Serco (Fort Leavenworth, KS)
    …Description** SERCO is seeking a motivated professional to join our team as a ** Principal Systems Software Analyst** (SSA). The location of this position is at ... and perform systems integration tests between the simulation and tactical systems . The System Software Analyst prepare, build, and maintain domains, … more
    Serco (12/14/25)
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  • Principal Solution Architect - National…

    Leidos (Reston, VA)
    …**Large Development Program Experience:** Proven leadership experience in technical planning, system design, and full life cycle systems engineering ... **Description** The National Security Sector at Leidos has an exciting and...Leidos has an exciting and strategic opening for a ** Principal Solution Architect & Innovation Lead** to work in… more
    Leidos (11/25/25)
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  • Principal GPU Systems Engineer

    Oracle (Santa Clara, CA)
    …Oracle hardware platform development engineering is seeking a highly driven GPU Platform System Engineer at the Principal Engineer level. The GPU System ... and is working to build out the next generation of Cloud and Enterprise systems , with record breaking-performance, security , and world class quality, using the… more
    Oracle (11/25/25)
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  • Sr Principal Systems Engineer…

    RTX Corporation (Richardson, TX)
    …framework. + Experience with the Cross-Domain Solution (CDS) information assurance system . + Experience with Model Based Systems Engineering concepts and ... a program to recapitalize with the next-generation capabilities. As our next **Senior** ** Principal Systems Engineer** we will provide the training and tools to… more
    RTX Corporation (11/01/25)
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  • Security Principal Researcher

    ManpowerGroup (Durham, NC)
    …client, a leading organization in the technology and security sector, is seeking a Principal Security Researcher to join their team. As a Principal ... proactive mindset which will align successfully in the organization. **Job Title:** Principal Security Researcher **Location: Remote** **Pay Range:** Target pay… more
    ManpowerGroup (09/19/25)
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  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …tough, meaningful problems that create a safer, more secure world. ** Principal System Administrator** in infrastructure Workplace Services, collaborates with ... many teams to support fast-paced, critical programs with classified information system capabilities. Success in this role...security clearance. + Must have experience with Linux systems administration + Experience with one of the following:… more
    RTX Corporation (12/05/25)
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  • Senior Principal Test Systems

    RTX Corporation (Tucson, AZ)
    …or 8 years of professional experience and an advanced STEM degree. As a Senior Principal Systems Engineer, you are accountable for the systems approach for ... more secure world. This position is for a Senior Principal Test Systems Engineer with at least...of the Department of Defense, handles and adjudicates the security clearance process. More information about … more
    RTX Corporation (11/12/25)
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  • Principal Computer Systems Analyst

    Northrop Grumman (Roy, UT)
    …Troubleshoot issues with team members, suppliers, customers, and vendors. + Adhere to strict Information Systems security guidelines. + Maintain security ... part of history, they're making history. Northrop Grumman Defense Systems is seeking a Principal Computer ...computers in a classified environment as directed by the Information Systems Security Manager (ISSM).… more
    Northrop Grumman (12/10/25)
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  • Responsible Principal Systems

    RTX Corporation (Tucson, AZ)
    Systems Engineering and Test Capabilities (SE&TC) organization is currently hiring a ** Principal Systems Engineer, Responsible Systems Engineer (RSE) - ... and partner with multi-disciplines to shape innovative solutions for our customers. The Principal Systems Engineer is a technical role contributing directly to… more
    RTX Corporation (12/09/25)
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  • Principal Security Engineer - GenAI…

    The Hartford (Chicago, IL)
    …integrating secure model development, deployment, and monitoring practices. + Certified Information Systems Security Professional (CISSP), Certified ... team that is charged with designing, implementing and maintaining modernized and advanced information security capabilities. As the Principal Security more
    The Hartford (11/19/25)
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