• Scientist, Information Security Systems Engineer…

    L3Harris (Palm Bay, FL)
    …Qualifications: + Bachelor's Degree and a minimum of 12 years of prior relevant ISSE experience. Graduate Degree and a minimum of 10 years of prior related ... experience. In lieu of a degree, minimum of 16 years of prior related experience. + Minimum of Collateral Secret security clearance required + Professional experience with RMF (Risk Management Framework) required + Must be able to obtain and maintain a DOD… more
    L3Harris (12/27/25)
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  • Classified Systems Information Systems Security…

    ANSER (Arlington, VA)
    …Qualifications: + Active TS/SCI clearance + 8+ years of experience as an ISSO, ISSE , or ISSM + 5+ years of experience in systems/network administration within a ... secure environment. + Strong familiarity with RMF, NIST 800-53, and other DoD cybersecurity compliance standards. + Experience with Windows Server, Active Directory, GPOs, and system hardening. + Proficiency in network protocols and services: TCP/IP, DNS,… more
    ANSER (12/27/25)
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  • Cyber Systems Engineer / Principal Cyber Systems…

    Northrop Grumman (Melbourne, FL)
    …based on the audience. * Serve as a Cyber Security engineer ( ISSE ) supporting high-level technical and practical expertise. * This position requires practical ... experience in developing and implementing a security baseline and must be able to communicate their significance and relevancy in a clear, detailed manner. Basic Qualifications: * **Cyber Systems Engineer** : Bachelor of Science degree in a STEM (Science,… more
    Northrop Grumman (12/23/25)
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  • Senior Mechanical Engineer - Machine Design…

    RTX Corporation (Richardson, TX)
    …global market. The Collins Aerospace Mission Systems Integrated Strategic Solutions ( ISSE ) engineering team is seeking a self-motivated Senior Mechanical Engineer ... that thrives in the design, development, and integration of dynamic electro-mechanical systems and controls involving items such as pulleys, gear boxes, sensors, motors, actuators and hydraulic pumps. The selected candidate will also work closely with other… more
    RTX Corporation (12/23/25)
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  • Systems Engineer II - NC3 Programs

    RTX Corporation (Richardson, TX)
    …**Systems Engineer II** and as a member of our Integrated Strategic Solutions Engineering ( ISSE ) team, you will be provided with the training and tools to help grow ... the skills you will need to become a subject matter expert (SME) in the systems engineering lifecycle. You will learn from the best and brightest in the communications and nuclear deterrence domain working at Collins Aerospace. This position is for… more
    RTX Corporation (12/23/25)
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  • Information System Security Engineer, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Lexington, MA)
    …Engineer, Senior Key Role: Maintain responsibility for all Information Systems Security Engineer ( ISSE ) duties in support of Department of Defense ( DoD ) Risk ... Management Framework ( RMF ) and Intelligence Community Directive ( ICD ) 503. Leverage knowledge of National Institute of Standards and Technology ( NIST ) Spe cia l Publication 800-53 security controls and the Committee on National Security Systems… more
    BOOZ, ALLEN & HAMILTON, INC. (12/22/25)
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  • SP28 Cybersecurity Project Manager

    Amentum (Crane, IN)
    …monitoring contractors for compliance in SSP contracts. + Coordinate with the ISSO, ISSE , and other stakeholders to ensure the systems security is in alignment with ... the Navy Risk Management Framework (RMF). + Manage across the portfolio by reaching out and interfacing with multiple programs. + Handle Critical Program Information (CPI) in compliance with SSP Regulations. + Develop recommendations to prime contractors and… more
    Amentum (12/21/25)
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  • ISSO

    SAIC (Chantilly, VA)
    …+ **7+ years of Information Security experience. Preferrable as an ISSO, ISSE , or DAOR.** + **Demonstrated experience implementing the RMF process, applying NIST ... 800‑53 controls, and developing/maintaining certification and accreditation documentation.** + **Experience with ICD‑503 RMF implementation within the Intelligence Community.** + **Prior experience supporting cybersecurity operations or compliance within the… more
    SAIC (12/20/25)
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  • Information Systems Security Officer

    CACI International (High Point, NC)
    …as an Information System Security Manager (ISSM), Information Systems Security Engineer ( ISSE ), and/or Information Systems Security Officer (ISSO). + At least five ... years of continuous recent experience performing information systems security and/or cybersecurity roles in IT projects and obtaining ATO/ATC. + At least five years of continuous recent experience in DoD enterprise Mission Assurance Support Service (eMASS). +… more
    CACI International (12/18/25)
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  • Senior Information System Security Officer

    The MITRE Corporation (Mclean, VA)
    …and policy changes. + Previous experience operating as a SCI/SAP ISSO, ISSE , System Administrator, or ISSM. + Strong analytical and problem-solving skills, with ... the ability to develop innovative solutions. + Experience mentoring junior staff and fostering a collaborative team environment. + Familiarity with insider threat programs and strategies for mitigating insider risks. + Expertise in conducting cybersecurity… more
    The MITRE Corporation (12/18/25)
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