• NIPRNet / SIPRNet Administrator

    Applied Research Associates, Inc. (Eglin AFB, FL)
    …accreditation artifacts (SSP, POA&M, SAR, eMASS entries) and coordinate with the ISSM for CAO and PPSM workflows + Perform continuous monitoring using ACAS/SCAP ... scans (or equivalent) and remediate findings to maintain compliance + Document all configurations, run‑books, and standard operating procedures; keep network diagrams and system inventories current + Provide support for SIPRNet users accessing the VDI… more
    Applied Research Associates, Inc. (11/21/25)
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  • Senior Information System Security Engineer

    General Dynamics Information Technology (Reston, VA)
    …problem solving, team player + Preferred Skills: Experience as an ISSO, ISSM , ISSE, or Security Controls Assessor. Experience with Special Access Programs (SAPs) ... and Intelligence Community. + Location: On Customer Site + US Citizenship Required GDIT IS YOUR PLACE: + 401K with company match + Comprehensive health and wellness packages + Internal mobility team dedicated to helping you own your career + Professional… more
    General Dynamics Information Technology (11/21/25)
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  • Systems Security Engineer III

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …Current/Active Secret US Security Clearance is required **Qualifications We Prefer:** + ISSM CAP, CISSP, or CISM Certification + ISSE CAP, CISSP-ISSEP Certification ... + ISSO Security+, CISA, or CASP+ Certification + MCSE, Linux, and/or CCNP Security Certification At Sierra Nevada Company, LLC (SNC) we deliver customer-focused technology and best-of-breed integrations in the aerospace and defense sectors. SNC has been… more
    Sierra Nevada Company, LLC (11/20/25)
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  • Principal Linux Systems Administrator - Polygraph

    Northrop Grumman (Linthicum Heights, MD)
    …and standalone computers as directed by the Information Systems Security Manager ( ISSM ). + Prepare security documentation for input to Computer Security. + Report ... project status as required for all recurring and non-recurring efforts. + Work under minimal direction and independently determine and develop approach to solutions. _If you are ready to solve complex problems in a dynamic environment, apply today!_ **Basic… more
    Northrop Grumman (11/19/25)
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  • Security Incident Analyst (SiA) - TS/SCI…

    General Dynamics Information Technology (Norfolk, VA)
    …Computer Network Defense Center (DCNDC) and Information Systems Security Managers ( ISSM ) for situational awareness and tracking purposes. SIA then manages, ... coordinates, and reports mitigation actions in order to sanitize agency assets prior to resolving cases. HOW A SECURITY INCIDENT ANALYST WILL MAKE AN IMPACT + Manage network computer and system security incidents relating to data spills, misclassifications,… more
    General Dynamics Information Technology (11/18/25)
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  • Information Systems Security Engineer (Engineer…

    Huntington Ingalls Industries (Honolulu, HI)
    …benchmarks, configuration checklists, and manual validation + Coordinate with NETOPS, ISSO/ ISSM , and virtualization teams to ensure that security controls are ... properly deployed and sustained + Assist with incident response preparation by enforcing audit log configurations and system event monitoring + Prepare for and participate in cybersecurity inspections and ATO validation efforts + Maintain technical… more
    Huntington Ingalls Industries (11/18/25)
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  • Linux / AWS Systems Administrator 3/4 - Polygraph

    Northrop Grumman (Morrisville, NC)
    …(networked and standalone) as directed by the Information Systems Security Manager ( ISSM ), with completed work reviewed from a long-term perspective for desired ... results. + Design and implement environment monitoring and alerting tools to track trends in pod issues, proposing and leading software or infrastructure improvements to development leads. + Support and coordinate administration across multiple networks,… more
    Northrop Grumman (11/15/25)
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  • Information Systems Security Officer

    ManTech (Camp Pendleton, CA)
    …Manager (SSM)/Special Security Representative (SSR) and Information Systems Security Manager ( ISSM ) to oversee the secure installations and operations of systems ... across multiple security domains and in accordance with policies, directives, and best practices. + Establishes and satisfies complex system-wide information security requirements based upon the analysis of user, policy, regulatory, and resource demands.… more
    ManTech (11/15/25)
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  • Network Support Specialist

    EPS Corporation (Sumter, SC)
    …and perform firmware/software maintenance. . Manage account administration, work with the ISSM , and assist in network problem detection and resolution. . Ensure ... compliance with COMSEC policies and AFCENT circuit standards. . Document network performance and support accreditation and security assistance site visits. . Respond to emergency outages per escalation protocols. . Develop and submit a Network Support Monthly… more
    EPS Corporation (11/14/25)
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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …networked and standalone computers as directed by the Information Systems Security Manager ( ISSM ). + Support the Cyber Security team. + Report on project status as ... required for all recurring and non-recurring efforts. **Basic Qualifications:** + Bachelor's degree with 8 years of IT experience; Master's degree with 6 years of IT experience; Associate degree with 10 years of IT experience; OR a HS Diploma / GED with 12… more
    Northrop Grumman (11/13/25)
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