• 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. + ... Owner, etc.) and develop a matrix of cybersecurity responsibilities for each FISMA system . **6. Review** + Conduct security control assessments through an… more
    Guidehouse (11/19/25)
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  • Sr OT Systems Security Engineer

    Exelon (Owings Mills, MD)
    …Are you in? **Primary Purpose** **PRIMARY PURPOSE OF POSITION** The Sr OT Systems Security Engineer (OTSSE) will support implementation of the Operational ... leadership. Verify and update security engineering documentation reflecting the application/ system security design features. Verify minimum security … more
    Exelon (11/13/25)
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  • Senior Information Systems…

    ManTech (Fort Washington, MD)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Information Systems Security Officer (ISSO)** to join our team in Fort Washington, MD. ... The ideal candidate will have a deep understanding of implementing various security measures to protect an organization's computer systems and networks.… more
    ManTech (11/01/25)
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  • Systems Security and Network…

    BOOZ, ALLEN & HAMILTON, INC. (Lexington Park, MD)
    …as an Operating System Administrator, Systems Engineer, Requirements Analyst, Information Systems Security Officer, Information Systems ... enterprises. + Perform risk and vulnerability assessments in network, system , and application areas. + Leverage big data analytics... Security Manager, or Information Systems Security Engineer + Experience with Microsoft… more
    BOOZ, ALLEN & HAMILTON, INC. (11/17/25)
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  • Information Security Analyst Advisor

    General Dynamics Information Technology (Annapolis Junction, MD)
    … posture for an information system or program to ensure information systems security policies, standards, and procedures are established and ... to include system upgrades. + Propose, coordinate, implement, and enforce information systems security policies, standards, and methodologies. + Develop… more
    General Dynamics Information Technology (10/09/25)
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  • System Administrator IV

    Gama-1 Technologies (Silver Spring, MD)
    …ensuring compliance with federal security frameworks (eg, NIST 800-53, FISMA, RMF ). + Oversee patch management, system updates, and configuration baselines ... GCP). + Implement and maintain system security controls,...AWS Certified SysOps Administrator. + Experience supporting federal IT systems , including compliance with FISMA, NIST, or RMF… more
    Gama-1 Technologies (11/20/25)
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  • Sr. Principal Windows/VMware Systems…

    Northrop Grumman (Baltimore, MD)
    …with vendors and evaluate vendor products, services, and suggestions. + Adhere to strict Information Systems security guidelines in all cases. + Maintain ... 6/3-ICD 503, RMF , STIG, JAFAN, or JSIG information system environments. + Experience with the...classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM).… more
    Northrop Grumman (11/01/25)
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  • Senior Information Security Engineer

    Lumen (Annapolis, MD)
    …to candidates based anywhere in the US **The Main Responsibilities** + Perform as an Information Systems Security Officer (ISSO) for government systems + ... with both FISMA and DoD policy. Responsibilities include developing RMF documentation ( System Security Plan,...incidents + Report all cybersecurity incidents to the program Information Systems Security Managers (ISSM)… more
    Lumen (11/13/25)
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  • Information Assurance - Emissions…

    Noblis (Bethesda, MD)
    …requirements. + Collaborate with security and engineering teams to support system accreditation under RMF (Risk Management Framework) with EMSEC controls. + ... and mitigation of compromising emanations (TEMPEST). You will work closely with information assurance, systems engineering, and facilities teams to secure … more
    Noblis (10/14/25)
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  • Information Security Analyst

    Imagine One Technology & Management (Lexington Park, MD)
    …qualifications: + Bachelor's degree + CNSSI 4012-Senior Systems Managers/4013- System Administrators/4014- Information Systems Security Officers ... + Experience reviewing RMF documentation such as system categorization, Security Plan, Implementation Plan, ...*Retired + CASP+ GSLC + CSSLP + NEC 741A Information System Security Manager +… more
    Imagine One Technology & Management (09/01/25)
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