• 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 ... * * CACI is looking for talented **Information Systems Security Engineer (ISSE)** around the Fort Meade,...termination points for VPNs, and a working knowledge of software TLS security . + Able to maintain… more
    CACI International (12/18/25)
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  • Principal Endpoint Security Systems…

    Leidos (Bethesda, MD)
    …degree. + **To be considered must have an active TS/SCI with polygraph security clearance ** **Preferred Qualifications** + Experience with Cisco Secure Endpoint ... has a new and exciting opportunity a **Principal Endpoint Security Systems Engineer ** in our **National .... Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software more
    Leidos (11/28/25)
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  • Chief Software Engineer

    Leidos (Odenton, MD)
    **Description** **Leidos is seeking a Chief Software Architect to join the CTO team for a complex, large-scale DoD program. In this role, you will be responsible for ... enterprise software architecture across multiple contracts/task orders, lead architecture governance,...requirements and translate them into solutions to ensure the security , scalability, and sustainability of all systems; Translating system… more
    Leidos (01/09/26)
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  • Cyber Software Engineer - SIGINT…

    Lockheed Martin (Hanover, MD)
    …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 ... We are seeking professionals interested in a variety of responsibilities including; * Software development * Software engineering * Systems engineering * Cyber… more
    Lockheed Martin (01/08/26)
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  • Cyber Security Engineer (SME)

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for Cyber Security Engineer SME in our **National Security Sector's (NSS) Cyber & Analytics ... the customer's information systems and networks from potential cyber-attacks. The Cyber Security Engineer must display an excellent understanding of technology… more
    Leidos (11/28/25)
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  • AI/ML Security Integration Engineer

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking an AI/ML Security Integration Engineer with an active TS/SCI clearance with a Poly, to configuring, fine-tuning, and ... the compliance automation platform function effectively while meeting stringent security requirements for federal deployments, including classified and air-gapped… more
    BigBear.ai (01/17/26)
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  • Software Engineer (SWE)

    CACI International (Fort Meade, MD)
    Software Engineer (SWE) Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... applied cyber concepts research. You will be creating hardware and software component design specifications and use appropriate industry standard development… more
    CACI International (12/25/25)
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  • Senior Information Systems Security

    Leidos (Linthicum, MD)
    …related field with a minimum of 14 years of experience as an Information Systems Security Engineer (ISSE) or System Engineer on programs and/or contracts ... **Description** As a Senior Information Security Systems Engineer (ISSE) you will... engineering. Experience in identifying, researching, characterizing, and documenting security weaknesses related to operating systems, software more
    Leidos (12/14/25)
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  • Modernization Software Engineer

    Lockheed Martin (Hanover, MD)
    …We are seeking professionals interested in a variety of responsibilities including; * Software development / Software engineering For a complete list that ... to undermine our way of life\. As a cyber security professional at Lockheed Martin, you'll protect the networks...Diploma or GED plus eight \(8\) years of general software engineering experience OR * Bachelor's degree in Computer… more
    Lockheed Martin (01/16/26)
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  • Information Systems Security

    Belay Technologies (Laurel, MD)
    …2020 and a finalist in 2021! Belay Technologies is seeking an Information Systems Security Engineer (Level 2/3) to join our intel team. The ​Information Systems ... Security Engineer ﴾ISSE﴿ Skill Level 3 will...(3) of the following areas: + Knowledge of current security tools + hardware/ software security more
    Belay Technologies (11/19/25)
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