• Senior Information Systems Security

    Leidos (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...(RMF) and conducting cybersecurity risk assessments + Expertise in network technology and systems security engineering. Experience… more
    Leidos (06/27/25)
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  • Security Engineer

    CACI International (College Park, MD)
    Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... We are looking for a proactive and experienced Technical Security Engineer to join our cybersecurity team....hands-on coding projects 2. Proficiency in Linux operating system, network security , including firewalls, VPNs, IDS/IPS, and… more
    CACI International (06/11/25)
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  • Network Engineer II

    Sierra Nevada Company, LLC (Hagerstown, MD)
    …variety of network related tools, concepts, technologies, best practices and security procedures + Hands-on expertise with network hardware, protocols, and ... and contribute to the development of state-of-the-art systems that enhance national security and provide critical intelligence. Our Hagerstown facility is a hub of… more
    Sierra Nevada Company, LLC (07/21/25)
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  • Security Engineer

    Leidos (Camp Springs, MD)
    …your resume with us today! **POSITION SUMMARY:** Leidos is seeking an experienced Security Engineer . The ideal candidate will bring deep knowledge and hands-on ... mission systems and infrastructure. + Working knowledge of HBSS, SIEM tools, and network security monitoring. + Experience writing SSPs, POA&Ms, and supporting… more
    Leidos (06/06/25)
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  • Security Content Engineer

    BlueVoyant (College Park, MD)
    …insights. You'll work closely with internal teams and customers to enhance security operations through innovative content engineering. Key Responsibilities + ... Security Content Engineer Location: United States...etc.) + Experience in digital forensics and blue team operations + Solid understanding of network protocols… more
    BlueVoyant (05/21/25)
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  • Information Systems Security

    DarkStar Intelligence LLC (Linthicum, MD)
    Information Systems Security Engineer (ISSE) Level 2 Position Summary DarkStar Intelligence is seeking an Information Systems Security Engineer (ISSE) ... an active Top Secret/SCI clearance and Full-Scope Polygraph. The Information Systems Security Engineer (ISSE) shall perform, or review, technical security more
    DarkStar Intelligence LLC (07/18/25)
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  • FLEX Cloud Infrastructure Security

    Marriott (Bethesda, MD)
    …N **Position Type** Management This is a temporary position. CLOUD INFRASTRUCTURE SECURITY AUTOMATION ENGINEER . Experience in securing Windows and Linux ... Access Management (IAM) principles at scale JOB SUMMARY The Cloud Infrastructure Security Automation Engineer represents a challenging opportunity to lead,… more
    Marriott (07/16/25)
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  • Sr. Information Systems Security

    Themis Insight (Linthicum Heights, MD)
    …and Military expertise to every case. We are hiring a Sr. Information Systems Security Engineer (ISSE) to work in Linthicum Heights, MD. Position location is ... on central MD client's needs. Required: TS/SCI with a Polygraph The Information Systems Security Engineer (ISSE) shall perform, or review, technical security more
    Themis Insight (07/09/25)
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  • Cyber Security Engineer

    Leidos (Bethesda, MD)
    **Description** Leidos has an exciting opening for you, our next **TS/SCI Cyber Security Engineer ** working across several Task Orders under the DOMEX Technology ... values innovation, collaboration, and professional development. As a Cyber Security Engineer , your job will be to...hardware and software systems + Experience developing and reviewing security concept of operations , systems security more
    Leidos (07/11/25)
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  • Information Systems Security

    ARSIEM (Columbia, MD)
    …every client you work with. ARSIEM is currently looking for an Information Systems Security Engineer 2 to participate as a security engineering ... Qualifications + A minimum of 14 years of experience as an Information System Security Engineer (ISSE) on programs and contracts of similar scope, type, and… more
    ARSIEM (07/10/25)
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