• Information System Security Engineer

    BEAT LLC (Linthicum Heights, MD)
    Security Engineer (ISSE) Location: Fort Belvoir, VA (hybrid) Clearance: Top Secret SCI Certification: CompTIA Security + or higher Salary: $185k ... - $200k Job Description BEAT is looking for a Security Engineer /Architect. Candidate will be required to...working knowledge of TCP/IP suite of protocols and services, computer architectures, and network topologies is required. + Experience… more
    BEAT LLC (12/09/25)
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  • Modernization Cyber Network Engineer - NE1

    Lockheed Martin (Hanover, MD)
    …used for contingent offers\. \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph NE1: * A High School ... use of advanced electronics to undermine our way of life\. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the… more
    Lockheed Martin (10/10/25)
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  • Capabilities Development Engineer

    General Dynamics Information Technology (Hanover, MD)
    …RQ207029 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... you're ready to lead the world. What you'll experience: - Technologies that aren't just top -notch, they're often top - secret - A team of bold thinkers… more
    General Dynamics Information Technology (12/10/25)
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  • Maritime Systems Mechanical Engineer

    Johns Hopkins Applied Physics Laboratory (Laurel, MD)
    … level security clearance by your start date and can ultimately obtain a Top Secret level clearance. If selected, you will be subject to a government ... our team at APL! We are seeking a Mechanical Engineer to support the advancement of maritime systems for...Have experience leading project teams. + Have an active Top Secret level clearance. #LI-AG1 About Us… more
    Johns Hopkins Applied Physics Laboratory (12/25/25)
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  • Modernization Software Engineer - SWE1

    Lockheed Martin (Hanover, MD)
    …used for contingent offers\. \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph SWE1: * A High School ... to undermine our way of life\. As a cyber security professional at Lockheed Martin, you'll protect the networks...software engineering experience OR * A Bachelor's degree in Computer Science or related discipline from an accredited college… more
    Lockheed Martin (10/10/25)
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  • Embedded Software Engineer

    Leidos (Linthicum, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Embedded Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... required. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission...more. **Join us and make a difference in National** ** Security !** **Embedded Software Engineer :** Leidos is seeking… more
    Leidos (10/14/25)
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  • Senior Network Security Engineer

    CACI International (Columbia, MD)
    Senior Network Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph ... of Travel: Local * * * **Exciting Opportunity: Join Our Team as a Senior Network Security Engineer !** Are you passionate about network security and eager to… more
    CACI International (12/12/25)
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  • Senior Network Security Engineer

    CACI International (Columbia, MD)
    Senior Network Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph ... next level? We are seeking a highly skilled Network Security Engineer to join our dynamic Network...allocations. **_Education and Experience:_** + **Clearance:** An active NSA TS /SCI with Polygraph. + **Experience:** 15 years as a… more
    CACI International (12/06/25)
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  • Information Systems Security

    CACI International (Fort Meade, MD)
    Information Systems Security Engineer (Multiple Levels) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI ... of Travel: Local * * * CACI is looking for talented **Information Systems Security Engineer (ISSE)** around the Fort Meade, Maryland area. **As an**… more
    CACI International (12/18/25)
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  • Security Engineer (RMF)

    CACI International (Frederick, MD)
    Security Engineer (RMF) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... Type of Travel: Local * * * **The Opportunity:** We are seeking a skilled Security Engineer (RMF) to support the Defense Intelligence Agency (DIA) at the… more
    CACI International (12/09/25)
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