• 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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  • 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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  • 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, as ... 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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  • Sr. Scientist, Systems Engineer

    L3Harris (Greenville, TX)
    …Scientist, Systems Engineer that is a proven leader and SIGINT technical subject matter expert . The applicant's duties will include product development, ... interest of national security. Job Title: Sr. Scientist, Systems Engineer Job Code: 30671 Job Location: Greenville, TX (On-Site)...the time. + Ability to obtain and maintain a Top Secret with SCI. Clearance. + Other… more
    L3Harris (11/01/25)
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  • Lead Systems Engineer

    ManTech (Chantilly, VA)
    …+ Leadership & Mentoring: Lead technical projects, mentor junior engineers, and act as a subject matter expert ( SME ). + Providing server/operating system ... is seeking a motivated, career and customer-oriented Lead Systems Engineer to join our team in Chantilly, VA. This...technical projects, mentor junior engineers, and act as a subject matter expert ( SME more
    ManTech (12/17/25)
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  • UC Engineer - Principal

    Amentum (Fort Meade, MD)
    …etc. * Cisco Certified Network Professional (CCNP) - Collaboration certification * Subject Matter Expert of Cisco Unified Communications Manager (CUCM), ... to data flow, security policies, and interoperability **Requirements:** * Subject Matter Expert in UC...up to 20% **Clearance Required:** * Must have active Top Secret clearance with SCI eligibility **Minimum… more
    Amentum (12/09/25)
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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, as ... 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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  • System Administrator

    Parsons Corporation (Colorado Springs, CO)
    …Information (SCI) and Special Access Program (SAP) activities. **"What You'll Be Doing"** + Provides Subject Matter Expert ( SME ) support to Tier 1 ... create game changing space solutions by teaming highly respected subject matter experts with brilliant technologists. Do...accredited university with minimum 8 years of experience + Top Secret ( TS ) security clearance… more
    Parsons Corporation (11/14/25)
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  • Consulting Systems Engineer - Ship…

    Northrop Grumman (Baltimore, MD)
    …the best work of your career. The Surface Ship Construction & Sensor Installation Subject Matter Expert provides technical leadership and expertise across ... shared mission, we'll support you of expanding your personal network and developing skills, whether you are new to...related technical fields. + A current / active DoD Top Secret Clearance or higher + Prior… more
    Northrop Grumman (12/19/25)
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