• Senior System Administrator - Network Security

    St. George Tanaq Corporation (Suitland, MD)
    …goals. + Provide IT Security support to the Information System Security Officer ( ISSO ) and System Owner (SO) working closely with System Administrators and other ... security staff within the USCB. + Support ISSO with continuous monitoring and risk-profiling activities. + Create and package evidence and artifacts for TCO-managed… more
    St. George Tanaq Corporation (11/18/25)
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  • Functional Analyst 2- TS/SCI with Poly

    Amentum (Columbia, MD)
    …Security Plans (SSPs) in conjunction with Delegated + Authorizing Officials (DAOs), ISSO 's, and System Owners. + Review and update organizational documentation that ... Security Plans (SSPs) in conjunction with Delegated + Authorizing Officials (DAOs), ISSO 's, and System Owners. + Review and update organizational documentation that… more
    Amentum (11/12/25)
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  • Systems Administrator Expert

    General Dynamics Information Technology (Annapolis Junction, MD)
    …performance + Communicate and coordinate with the Information System Security Officer ( ISSO ) and Information System Owner (ISO) regarding system changes as part of ... of Action & Milestones (POA&M)as directed and coordinate completion status with the ISSO to reflect status within the Source System of Record for Security… more
    General Dynamics Information Technology (11/08/25)
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  • Information System Security Engineer - GRC/FedRAMP…

    Guidehouse (Suitland, MD)
    …as the Authorizing Official, system owners, Information System Security Officers ( ISSO ), by highlighting potential threats and vulnerabilities that could impact ... risks. + Perform RMF assessment and engage with System Owners and ISSO , providing guidance of evidence needed for security controls, and documenting findings… more
    Guidehouse (10/24/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    …Yes/No + Communicate and coordinate with the Information System Security Officer ( ISSO ) and Information System Owner (ISO) regarding system changes as part of ... Action & Milestones (POA&M) as directed and coordinate completion status with the ISSO to reflect status within the Source System of Record for Security… more
    Synergy ECP (10/22/25)
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  • Information Security Analyst Advisor

    General Dynamics Information Technology (Annapolis Junction, MD)
    …Authority for ISs under their control. + Ten (10) years experience as an ISSO on programs and contracts of similar scope, type, and complexity is required. ... Level I or higher is required. Four (4) years of additional experience as an ISSO may be substituted for a bachelor's degree. GDIT IS YOUR PLACE: * Full-flex work… more
    General Dynamics Information Technology (10/09/25)
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  • RMF Cybersecurity Analyst - TS/SCI with CI Poly

    ENS Solutions (College Park, MD)
    …to Operate (ATO). + Acting as an appointed Information System Security Officer ( ISSO ) for IC cyber systems being developed by the engineering team. + Reporting, ... ATO to the Operations branch and the assignment of an operations ISSO . + Researching remediation options for vulnerabilities identified for systems under development… more
    ENS Solutions (09/27/25)
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  • Information Security Compliance Specialist

    Tactibit Technologies LLC (Suitland, MD)
    …overall cybersecurity program support to the Information System Security Officer ( ISSO ) and System Owner (SO) + Provide security documentation support including ... documenting the implementation details of security controls in System Security Plans + Identify and recommend technical or policy changes to improve security + Plan, coordinate, and review technical artifacts to demonstrate the effectiveness of security… more
    Tactibit Technologies LLC (12/25/25)
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  • Information Systems Security Officer

    SMX (Patuxent River, MD)
    …SMX is seeking a highly motivated Journeyman Information Systems Security Officer ( ISSO ) with demonstrated experience to support the development phase of a project ... relative to software supporting aircraft and weapons systems. You will join a team of highly driven, supportive, and skilled professionals engaged in supporting across the NAVAIR community. **Essential Duties & Responsibilities** + Plan, implement, upgrade,… more
    SMX (12/24/25)
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  • Senior Information Systems Security Officer

    AeroVironment (Jessup, MD)
    …years of related work experience - at least 7 years of experience as an ISSO supporting IC or DoD programs and contracts of similar scope, type, and complexity + ... DoD 8570 compliance with IAM Level II or IAT Level III (ie, CASP, CISSP, or Associate) + An active TS/SCI with polygraph **Salary Range: $120,000 - $175,000** The AV pay range for this job level is a general guideline only and not a guarantee of compensation… more
    AeroVironment (12/17/25)
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