• Information Security System Engineer

    L3Harris (Greenville, TX)
    …employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security . Job Title: ... On-site) Schedule: 9/80 Job Description: L3Harris Technologies is seeking an Information Security Systems Engineer to join our Sensor Infrastructure team. The… more
    L3Harris (01/10/26)
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  • Security Engineer (Platform…

    Guidehouse (Huntsville, AL)
    **Job Family** **:** IT Cyber Security **Travel Required** **:** Up to 10% **Clearance Required** **:** Active Top Secret (TS) Guidehouse is seeking a ... Security Engineer to join our Technology / AI and Data team, supporting mission-critical initiatives for Defense and Security clients. In this role, you… more
    Guidehouse (01/01/26)
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  • Engineer II - Information System…

    BAE Systems (Broomfield, CO)
    **Job Description** This position is for a System Security Engineer (SSE) to provide security engineering support within BAE Systems, Inc. Space & Mission ... Systems Sector. The SSE supports ongoing programs by managing cyber requirements, validating technical security implementations, and supporting Assessment &… more
    BAE Systems (11/28/25)
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  • Information Systems Security

    ManTech (Annapolis Junction, MD)
    **MANTECH** seeks a motivated, career and customer-oriented **Information Systems Security Engineer (ISSE)** to join our team in the **Annapolis Junction, MD.** ... but are not limited to:** + Participate as a security engineer representative on teams for the...Qualifications:** + Prior ISSE experience with a Department of Defense (DoD) customer. + Experience with Splunk dashboards and… more
    ManTech (11/19/25)
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  • Physical Security Engineer 4

    M. C. Dean (Chantilly, VA)
    …leaders in electrical, engineering, and cybersecurity industries. We are seeking a **Physical Security Engineer 4** to join our ** Security and Electronic ... is Building Intelligence. We design, build, operate, and maintain cyber -physical solutions for the nation's most mission-critical facilities, secure environments,… more
    M. C. Dean (10/23/25)
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  • Vulnerability Research and Reverse Engineer

    Nightwing (Indialantic, FL)
    …services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability ... services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability… more
    Nightwing (01/13/26)
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  • Android Mobile Reverse Engineer / Dev

    Nightwing (Palm Bay, FL)
    …services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability ... services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability… more
    Nightwing (11/25/25)
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  • Systems Engineer

    Huntington Ingalls Industries (Springfield, VA)
    …Technologies division is dedicated to delivering cutting-edge solutions that advance national security and defense objectives. This position is part of our ... Type: Full Time/Salaried/Exempt Anticipated Salary Range: $102,831.00 - $154,000.00 Security Clearance: TS/SCI Level of Experience: Mid This opportunity resides… more
    Huntington Ingalls Industries (01/20/26)
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  • Software Engineer 3

    Nightwing (Annapolis Junction, MD)
    …services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability ... services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability… more
    Nightwing (11/08/25)
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  • Software Test Engineer - Multiple Levels

    Huntington Ingalls Industries (Columbia, MD)
    …Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $63,292.00 - $154,090.00 Security Clearance: Ability to Obtain Level of Experience: Mid This ... a business group within HII's Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems. HII works within… more
    Huntington Ingalls Industries (12/20/25)
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