• Information System Security

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …+ Assist system administrators in approved maintenance procedures. + Direct information system security inspections, tests, and reviews. Ensure ... to evaluate the security posture of program systems . + Ensure all system security...+ Ensure the development and implementation of an effective information system security education, training,… more
    Kratos Defense & Security Solutions, Inc. (09/19/25)
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  • Space Systems Cyber Security

    General Atomics (Englewood, CO)
    …our cutting-edge space systems solutions. **DUTIES AND RESPONSIBILITIES:** Serve as an Information Systems Security Engineer (ISSE) for one or more ... commercial, and academic mission requirements. We're seeking a Space Systems Cyber Security Engineer to join our...+ Security requirements: Capture, refine, and integrate information security requirements into system more
    General Atomics (10/29/25)
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  • Information System Security

    Lockheed Martin (Boulder, CO)
    …the security team, program, and government customers to perform as an Information Systems Security Officer \(ISSO\) in Boulder, Colorado\. Classified ... Key Responsibilities of this role includes: \- Oversee day\-to\-day information system security operations including...a plan of actions and milestones \(POA&M\) with the Information Systems Security Manager \(ISSM\)… more
    Lockheed Martin (10/29/25)
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  • Information System Security

    Lockheed Martin (Colorado Springs, CO)
    …looking for an individual to serve as a Classified Cyber Security Senior / Information System Security Officer \(ISSO\) and join our team's efforts in ... candidates should be knowledgeable of information technology security principles, various computer/network operating systems , and... disciplines and how they impact and interact with information system security ** Security more
    Lockheed Martin (11/02/25)
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  • Senior Information Systems

    RTX Corporation (Aurora, CO)
    …that create a safer, more secure world. Our cybersecurity team is seeking a ** Information Systems Security Officer (ISSO)** to support our team **100% ... + This position will report directly to the Aurora Information Systems Security Manager (ISSM)...and Linux) **Qualifications We Prefer** + Experience with various information system security assessment/hardening resources… more
    RTX Corporation (11/18/25)
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  • Senior Specialist, Info Security

    L3Harris (Broomfield, CO)
    …domains in the interest of national security . Job Title: Senior Specialist, Information Security Systems Engineer Job Code: 31061 Job Location: ... integration of systems and networks to maintain system security . Works closely with Government customers...managing RMF body of evidence documents (eg, System Security Plan (SSP), Security more
    L3Harris (11/12/25)
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  • Senior Information Security Engineer

    Lumen (Denver, CO)
    …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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  • Systems Administrator Level 2

    Northrop Grumman (Aurora, CO)
    information on all classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM). + Support the Cyber ... 6/3-ICD 503, RMF , STIG, JAFAN, or JSIG information system environments + Solid understanding of...of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and STIGs… more
    Northrop Grumman (10/22/25)
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  • Cyber Security Engineer

    Lockheed Martin (Boulder, CO)
    …vulnerability analysis, and mitigation planning\. * Define, analyze, and validate security design constraints and ensure compliance with RMF /NIST 800‑53 ... cyber policies\. * Collaborate with engineers, architects, and developers to integrate security into system designs and verify compliance through cyber‑test &… more
    Lockheed Martin (10/11/25)
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  • Systems Administrator (Level 2 or 3)

    Northrop Grumman (Aurora, CO)
    information on all classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM). + Support the Cyber ... 6/3-ICD 503, RMF , STIG, JAFAN, or JSIG information system environments + Solid understanding of...of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and STIGs… more
    Northrop Grumman (11/06/25)
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