• Information System Security Engineer (ISSE)…

    TekSynap (Washington, DC)
    …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 (Washington, DC)
    …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 (11/16/25)
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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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  • Senior RF/Electrical Engineer (Vaxcom)

    Parsons Corporation (Chantilly, VA)
    Engineer ** to join our team! In this role you will get to **serve as the Subject Matter Expert ( SME ) on Electronic Warfare (EW) for a large, complex ... **Experience in foreign field operations.** **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for… more
    Parsons Corporation (11/26/25)
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  • Senior Windows Engineer

    CACI International (Mclean, VA)
    …ensure compliance with established standards, policies and configurations guidelines. + Recognized as subject matter expert in job area typically through ... Senior Windows Engineer Job Category: Engineering Time Type: Full time...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (12/18/25)
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  • Senior RF/Antenna Engineer

    CACI International (Fairfax, VA)
    Senior RF/Antenna Engineer Job Category: Engineering Time Type: Full time...proposals. + Serve in a consulting role as a Subject Matter Expert ( SME ... * * * **The Opportunity:** As a Senior RF/Antenna Engineer , you will lead the development and analysis of...and measured RF data. + Hands on experience with network analyzers, spectrum analyzers, and power meters. + Knowledge… more
    CACI International (12/25/25)
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  • Senior Cybersecurity Engineer

    ManTech (Washington, DC)
    …authorization + Provide cybersecurity Risk Management Framework (RMF) support + Serve as a subject matter expert in the validation of the implementation of ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Cybersecurity Engineer ** to join our team working in the **Washington,...a US Citizen and possess an active or current Top Secret clearance. **Physical Requirements:** + Must… more
    ManTech (10/30/25)
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  • Facility Operations Center Technical Team Lead,…

    Amazon (Arlington, VA)
    …opportunities. - Establish performance benchmarks and conduct audits to drive effectiveness. - Subject matter expert for data center infrastructure. - Work ... and conducting assessments. The TTL serves as a FOC expert technical resource in data center critical infrastructure, operations,...US citizen and currently possess and maintain an active Top Secret security clearance with SCI eligibility.… more
    Amazon (10/18/25)
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  • Cybersecurity Engineer 6

    M. C. Dean (Chantilly, VA)
    …secure systems for A&A and Continuous Monitoring support. + Serve as the security subject matter expert for the A&A and Continuous Monitoring processes. ... at MC Dean, you will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and technology systems; and deliver… more
    M. C. Dean (11/28/25)
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  • Senior Principal Offensive Security…

    Oracle (Washington, DC)
    …identifying areas of risk or opportunities for improvement and piloting them + Be a subject matter expert in at least one business-critical area (eg ... **Job Description** Job Description **Offensive Security Engineer ** Oracle Cloud Infrastructure Group The Oracle Cloud...Java, + Tearing apart an undocumented file format or network protocol + Coming up with novel techniques to… more
    Oracle (12/20/25)
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