• Principal Systems Engineer

    Applied Research Solutions (Bedford, MA)
    **Description** Applied Research Solutions is seeking a full-time Principal Innovation Engineer providing support to the Command, Control, Communications, and Battle ... in many different focus areas. C3BM's main efforts are Architecture and Systems Engineering (ASE), Operational Response Team (ORT), and multiple mission integration… more
    Applied Research Solutions (12/24/25)
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  • Senior Principal Platform Architect…

    ServiceNow, Inc. (Denver, CO)
    …of the Fortune 500(R). Our intelligent cloud-based platform seamlessly connects people, systems , and processes to empower organizations to find smarter, faster, and ... . Knowledge of data modeling, CMDB design, data strategies, platform security , and integration. . Cloud application technology experience . Familiarity with… more
    ServiceNow, Inc. (01/14/26)
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  • Principal Enterprise Endpoint…

    RTX Corporation (Richardson, TX)
    …Status Requirements:** The ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as only US citizens are ... eligible for a security clearance ** Security Clearance:** DoD Clearance: Secret...is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers… more
    RTX Corporation (11/19/25)
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  • Principal Specialist, Security

    RTX Corporation (Westford, MA)
    …solves tough, meaningful problems that create a safer, more secure world. The Senior Security Analyst will help develop, administer and maintain the program's ... **Date Posted:** 2025-12-16 **Country:** United States of America **Location:** HMA03: ISR Systems - Westford HO 7 Technology Park Drive, Westford, MA, 01886 USA… more
    RTX Corporation (12/17/25)
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  • Principal Systems Specialist

    SOLUTE Careers (Mount Laurel Township, NJ)
    Sigma Defense is seeking a highly skilled Principal Systems Specialist to join our team in Mount Laurel, NJ. Equal Opportunity Employer/Veterans/Disabled: Sigma ... Defense Systems is an Equal Opportunity Employer. All qualified applicants...or have the ability to obtain an active Secret security clearance or higher. + Clearance will be sponsored… more
    SOLUTE Careers (01/16/26)
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  • Principal Contracts Administrator

    BAE Systems (Nashua, NH)
    …like a team you want to be a part of? Come build your career with BAE Systems . The Precision Guidance & Sensing Solutions (PGSS) product line has an opening for a ... Principal Contract Administrator in support of the Terminal High...one of the world s largest Aerospace, Defense and Security Company s, we look to recruit and retain… more
    BAE Systems (01/16/26)
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  • Master Planner (Scheduler) Principal

    BAE Systems (Broomfield, CO)
    **Job Description** Working as a Master Program Planner at BAE Space and Mission Systems (SMS) is an exciting opportunity to become part of a high-tech team of ... will work from our beautiful Colorado location. A Master Program Planner Principal applies extensive expertise and has full knowledge of related disciplines.… more
    BAE Systems (01/09/26)
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  • Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …and evaluate vendor products, services, and suggestions. + Adhere to strict Information Systems security guidelines in all cases. + Maintain security ... Digital Office (CIDO) organization is seeking a highly experienced ** Senior Linux Server Admin** to join its dynamic team...networked and standalone computers as directed by the Information Systems Security Manager (ISSM). + Prepare … more
    Northrop Grumman (01/07/26)
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  • Principal Systems Engineer…

    Sierra Nevada Company, LLC (Plano, TX)
    …airborne command-and-control fleet. We need you! We are seeking a highly skilled Senior Systems Cybersecurity Engineer with a strong background in cybersecurity ... The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in...it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation … more
    Sierra Nevada Company, LLC (12/17/25)
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  • Principal IT Security Engineer (AI…

    Robert Half Technology (San Francisco, CA)
    Description We are seeking a senior security leader to shape how artificial intelligence changes our threat landscape, security architecture, and internal ... applications. This role operates at the intersection of security architecture, detection engineering, adversary simulation, and applied AI. The ideal candidate is an… more
    Robert Half Technology (01/21/26)
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