• Principal Systems Engineer - NC3 Programs…

    RTX Corporation (Richardson, TX)
    …with the training and tools to help grow the skills you will need to become a subject matter expert ( SME ) in the systems engineering lifecycle. You will ... will support technical proposal preparation and/or serve as a subject matter expert in non-advocate,...prior to start date with the ability to obtain Top Secret after start. + Experience with… more
    RTX Corporation (01/10/26)
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  • Associate Technical Fellow - Software

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …the accountability to ensure successful execution of the program plan. + Nationally recognized subject matter expert and highly respected within the customer ... Software will report directly to the Sr. Chief Engineer in this role and will work closely with...execution. + The ability to obtain and maintain a Top Secret Security Clearance is required. Learn… more
    Sierra Nevada Company, LLC (12/17/25)
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  • Principal Systems Engineer (Onsite)

    RTX Corporation (Tucson, AZ)
    …is currently hiring a **Principal Systems Engineer - Jumping Cholla Systems Engineering (SE) Subject Matter Expert ( SME )** to join our Tucson, AZ ... engineering life cycle while interfacing with a variety of engineering disciplines, subject matter experts, chief engineers, chief technologists, the customer,… more
    RTX Corporation (11/22/25)
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  • Cisco Identity Services Engineer

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    …network security requirements and implement perimeter security changes + Serve as a subject matter expert in coordinating and troubleshooting with customers, ... **Overview** **CISCO IDENTITY SERVICES ENGINEER /ADMINISTRATOR (RDTE)** Bowhead has an immediate opening for...REQUIREMENTS:** Must currently hold a security clearance at the Top Secret level. US Citizenship is a… more
    UIC Government Services and the Bowhead Family of Companies (12/18/25)
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  • Information System Security Engineer (ISSE)…

    TekSynap (Huntsville, AL)
    …Government customers. The Information System Security Engineer (ISSE) is the Subject Matter Expert for identifying security risks and contributing ... Qualifications** + **Security Clearance** + Must hold an active ** Top Secret clearance** with the ability to...Serve as a principal technical advisor on cybersecurity, bringing subject - matter expertise to risk analysis, incident response,… more
    TekSynap (12/24/25)
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  • Information System Security Engineer (ISSE)…

    TekSynap (Huntsville, AL)
    …Government customers. The Information System Security Engineer (ISSE) is the Subject Matter Expert for identifying security risks and contributing ... support of continuous process improvement. **REQUIRED QUALIFICATIONS** + Mandatory: Must hold an active TOP SECRET clearance with the ability to obtain an SCI +… more
    TekSynap (11/30/25)
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  • Sr. Principal Air Vehicle System Test…

    Northrop Grumman (NJ)
    …future. The FSR will be embedded with a US Navy unit and be the system subject matter expert , providing training on the system hardware and software ... has an opening for a **Air Vehicle System Test Engineer - Engineering Field Service Representative** (FSR) to join...location after the initial 24-month assignment. + Active DoD Top Secret clearance that is in-scope or… more
    Northrop Grumman (01/01/26)
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  • Cyber Security Engineer

    CACI International (High Point, NC)
    …of cybersecurity operations and overall security posture + Functions as a cybersecurity subject matter expert on DoD accreditation strategies, Army ... Cyber Security Engineer Job Category: Information Technology Time Type: Full...Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of… more
    CACI International (12/19/25)
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  • System Test Engineer

    Northrop Grumman (Patuxent River, MD)
    …River, MD. The FSR will be embedded with a US Navy unit and be the system subject matter expert , providing training on the system hardware and software , ... has an opening for a **Air Vehicle System Test Engineer - Engineering Field Service Representative (FSR)** to join...time for business needs **Preferred Qualifications:** + Active in-scope Top Secret /SCI DoD security clearance at time… more
    Northrop Grumman (10/23/25)
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  • Chief Engineer

    SAIC (Hampton, VA)
    …regulations. **Key Responsibilities:** 1. Technical Leadership: + Serve as the technical authority and subject matter expert ( SME ) for the AOC Falconer ... balancing competing priorities in high-stakes environments. **Clearance Requirements:** + Active Secret clearance required; Top Secret /SCI eligibility… more
    SAIC (01/06/26)
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