• Network Security Firewall Engineer

    ThermoFisher Scientific (Frederick, MD)
    …experience in cybersecurity + Certifications are not required but encouraged: Certified Information Systems Security Professional, CompTIA Network+, ... Location/Division Specific Information Discover Impactful Work: The Network Security Engineer has global responsibility for supporting solutions crafted… more
    ThermoFisher Scientific (12/04/25)
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  • ISSE (Hybrid)

    Huntington Ingalls Industries (Columbia, MD)
    …Enlighten is looking for an Information Systems Security Engineer (ISSE). Candidate will perform system or network designs that encompass multiple ... + Will use vulnerability management systems , automated security scanning tools, and system accreditation record...+ Must be able to grasp new concepts, facilitate information exchanges for data gathering, and collaborate with diverse… more
    Huntington Ingalls Industries (11/06/25)
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  • Data Team Lead - TS/SCI w/Poly

    Parsons Corporation (Annapolis Junction, MD)
    …to** oversee our Information System Security Officer (ISSO) and Information System Security Engineer (ISSE) functions, manage the overall ... cloud data architecture, and lead a team of system engineers focused on acquiring sensitive cyber data feeds....skills, as well as expertise in cloud technologies, data security protocols, and project management. + Adept at problem-solving,… more
    Parsons Corporation (12/30/25)
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  • Lead System Security Engineer

    Guidehouse (Bethesda, MD)
    …**4. Process Maturity** + Document and maintain the SA&A lifecycle workflow, integrating security into the system development lifecycle per NIST SP 800-37. + ... develop a matrix of cybersecurity responsibilities for each FISMA system . **6. Review** + Conduct security control...functional tests. + 3+ years of experience as IT system administrator or engineer . Experience can include:… more
    Guidehouse (11/19/25)
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  • System Engineer - IA Systems

    CACI International (Annapolis Junction, MD)
    System Engineer - IA Systems Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... and tracking throughout the development cycle to ensure supportability for security certification. ** Systems Engineer Level 4** **Responsibilities:**… more
    CACI International (11/19/25)
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  • System Security Engineer

    Guidehouse (Bethesda, MD)
    …**4. Process Maturity** + Document and maintain the SA&A lifecycle workflow, integrating security into the system development lifecycle per NIST SP 800-37. + ... develop a matrix of cybersecurity responsibilities for each FISMA system . **6. Review** + Conduct security control... Center). + 1+ years of experience as IT system administrator or engineer . Experience can include:… more
    Guidehouse (11/19/25)
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  • Principal Endpoint Security Systems

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity a **Principal Endpoint Security Systems Engineer ** in our **National Security Sector's ... **Job Description** This effort is seeking an experienced endpoint security systems engineer to join...the fiscal year ended January 3, 2025. For more information , visit www.Leidos.com . **Pay and Benefits** Pay and… more
    Leidos (11/28/25)
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  • Senior System Engineer

    System One (Towson, MD)
    Senior Systems & Platform Engineer (Primary IT) Location: Fully Remote Type: 6-Month Contract-to-Hire Contact: ###@altaits.com Role Purpose As the Senior ... Systems & Platform Engineer , you will be...and platform reliability. Your mission is to oversee performance, security , cost, automation, and incident response. You will translate… more
    System One (01/01/26)
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  • IT034 Principal Systems Engineer

    ADNET Systems, Inc. (Greenbelt, MD)
    **IT034 Principal Systems Engineer - Cloud Engineer ** ADNET is seeking a Principal Systems Engineer - Cloud Engineer to join our dynamic team ... building next-generation cloud computing infrastructure for scientific research. The Cloud Systems Engineer will serve as a critical liaison between the Science… more
    ADNET Systems, Inc. (01/07/26)
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  • Secret Senior ISSE

    Insight Global (Belcamp, MD)
    …an ISSE to support a large Army program. We are seeking a highly skilled Information Systems Security Engineer (ISSE) to lead hands-on implementation ... of configuration management (CM) tools and security controls in a hybrid cloud environment. This role is 75% technical execution and 25% documentation, with a… more
    Insight Global (11/20/25)
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