• Information Security Professionals…

    Leidos (Annapolis Junction, MD)
    …Information Systems Security Officers ( ISSO ) and Information Systems Security Engineers ( ISSE ) will support our Leidos-led Prime Programs supporting the ... Security Professionals for programs in our **National Security Sector's (NSS) Cyber & Analytics Business...education will be considered if they have extensive relevant ISSO or ISSE experience DoD 8570 Certification… more
    Leidos (10/18/25)
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  • Information System Security Engineer…

    Applied Research Solutions (Dayton, OH)
    **Description** ARS is currently looking for an Information System Security Engineer ( ISSE ). Our desire is to build a team of highly qualified professionals that ... ACAS, Azure Automation, STIG/SCAP, and other enterprise capabilities. The Information Systems Security Engineer ( ISSE ) shall perform, or review, technical … more
    Applied Research Solutions (09/04/25)
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  • Information Systems Security Engineer…

    Nightwing (Sterling, VA)
    …peer recognition and reward system, and performance-based bonuses **Information Systems Security Engineer ( ISSE ) (Open)** Nightwing seeks a cybersecurity ... Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission...+ DoDD 8570/8140 IAM Level 2 professional certification (eg, Security +, CISSP, CISSM, etc.) + Prior ISSM/ ISSO more
    Nightwing (08/27/25)
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  • Information System Security Engineer…

    Excentium (Philadelphia, PA)
    …Inc. is a Service-Disabled Veteran owned small business that provides Cyber Security Engineering, Information Assurance (IA), management, Certification and ... Information System Security Engineer ( ISSE ) II Summary Title:Information...during fielding of new technology, to include providing Navy Cyber Security Impact, Security Evaluation,… more
    Excentium (10/01/25)
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  • Information Systems Security Engineer…

    Leidos (Laurel, MD)
    …**Senior Information Systems Security Engineer ( ISSE )** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our talented ... team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...accreditation documentation. Work with up to eight (8) other ISSO and ISSE 's within a team environment.… more
    Leidos (11/18/25)
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  • Cleared Information Systems Security

    Virtual Service Operations (Lorton, VA)
    …providing enterprise services and cyber network defense capabilities. As an ISSE , you will be responsible for conducting security assessments, engineering ... Cleared Information Systems Security Engineer ( ISSE ) L3 * Lorton,...compliance gaps. + Engineer unique cybersecurity solutions to support Cyber Threat and Defensive Operations. + Automate security more
    Virtual Service Operations (10/04/25)
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  • Cleared Senior Information Systems Security

    Virtual Service Operations (Lorton, VA)
    …services and cyber network defense capabilities. As aSenior Information System Security Engineer ( ISSE ), you will provide expert engineering support to ... Cleared Senior Information Systems Security Engineer ( ISSE ) L4 * Lorton,...security posture trends and report findings to the ISSM/ ISSO . + Recommend cybersecurity measures based on significant threats… more
    Virtual Service Operations (11/09/25)
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  • Information Systems Security Engineer…

    BAE Systems (Sterling, VA)
    …Systems Security Officer ( ISSO ) to monitor and maintain the programs security posture. The ISSE will work in coordination with fellow members of the ... to work independently and build relationships with technical reps across divisions, comfortable with cyber security and able to brief issues to the customer +… more
    BAE Systems (09/19/25)
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  • Information Systems Security Engineer…

    Lockheed Martin (Orlando, FL)
    …CCISO, etc\.\) * Hands on experience in information system security engineering \( ISSE \) or a comparable cyber security role, specifically supporting ... **Description:** Lockheed Martin is seeking a seasoned **Classified Cyber Security Technologist** to join an...Type 1/Commercial Solutions for Classified \(CSfC\) encryption\. * Prior ISSM/ ISSO experience leading teams of ISSOs to meet program… more
    Lockheed Martin (10/25/25)
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  • Information System Security Officer…

    Lockheed Martin (Hanover, MD)
    **Description:** Lockheed Martin is a pioneer in cyber security -partnering, innovating, and building cutting edge solutions\. Our talented employees tackle the ... Professional **Business Unit:** RMS **Relocation Available:** Possible **Career Area:** Cyber Security Governance and Risk Compliance **Type:** Full\-Time… more
    Lockheed Martin (10/18/25)
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  • Information Systems Security Officer…

    General Dynamics Information Technology (Herndon, VA)
    …Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Cyber and IT Risk Management **Skills:** Information Security ,Information Technology ... **Job Description:** Own the opportunity as an Information Systems Security Officer ( ISSO ) and help ensure the...close collaboration with a small team of ISSOs and ISSE to support the customers critical systems + Ensure… more
    General Dynamics Information Technology (09/10/25)
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  • Cyber Software Engineer - SIGINT Systems

    Lockheed Martin (Hanover, MD)
    …engineering * Systems engineering * Cyber researchers \(Capabilities Analyst, etc\) * System Security \( ISSO / ISSE / ISSM\) * Technical writer * Test ... use of advanced electronics to undermine our way of life\. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and… more
    Lockheed Martin (09/25/25)
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  • Cyber Security Analyst

    ManTech (Herndon, VA)
    MANTECH seeks a motivated, career and customer-oriented ** Cyber Security Analyst** to join our team **onsite** in **Herndon, VA or Reston, VA** in support of a ... customer's accreditation process for ATO + Work closely with Security Engineers to ensure security solutions are... protocols to drive tasking and ensure compliance + ISSE / ISSO tasking in support of documenting and… more
    ManTech (11/19/25)
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  • Senior Cyber Risk Manager (Splunk Engineer)

    The MITRE Corporation (Mclean, VA)
    … posture, and policy changes. + Previous experience operating as a SCI/SAP ISSO , ISSE , System Administrator, or ISSM. + Strong analytical and problem-solving ... then choose MITRE - and make a difference with us. The Information System Security Department (R311) within the Global Security Services Division (R300) is… more
    The MITRE Corporation (11/08/25)
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  • Information System Security Engineer

    CAE USA INC (Arlington, TX)
    …development, advancement and having fun! Summary CAE is seeking information System Security Engineers ( ISSE ) for providing technical expertise and support to ... implementation and testing of our Program's Cybersecurity Requirements. The ISSE is involved in most cyber -related technical...ISSE understands and helps define system architecture. The ISSE understands the security requirements and the… more
    CAE USA INC (10/24/25)
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  • DevSecOps Security Principal

    Lockheed Martin (Orlando, FL)
    …test plans for new system designs\. This position requires interfacing with Industrial Security , Classified Cyber Security , Classified IT, Engineering & ... cloud IT implementations, developing, and executing test cases and providing general cyber security support in accordance with policies, procedures, standards… more
    Lockheed Martin (11/19/25)
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  • Intel Security Specialist

    TekSynap (Virginia Beach, VA)
    …Information System Security Engineer ( ISSE ) or Information System Security Officer ( ISSO ). + Provide clear, actionable risk reduction recommendations to ... Developing and managing POA&M entries. + Supporting RMF Step 5 authorizations as an ISSE or ISSO . + Communicating risk reduction strategies to stakeholders. +… more
    TekSynap (10/01/25)
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  • Intel Security Specialist with TS and SCI…

    Watershed Security (Virginia Beach, VA)
    …Step 5 authorizations in the ISSE capacity or Information System Security Officer ( ISSO ) capacity + Communicating risk reduction recommendations to ... JOB DESCRIPTION Watershed Security , is a Veteran Owned Small Business with...vulnerability and threat analysis; and be experienced as an ISSO or ISSE . REQUIRED QUALIFICATIONS + Bachelor… more
    Watershed Security (09/27/25)
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  • Senior Information System Security Officer

    The MITRE Corporation (Mclean, VA)
    …from security threats. The candidate will perform tasks such as ensuring cyber security is baked into the design of new/existing operational environments; ... Security Controls Traceability Matrix (SCTM). As the senior ISSO , maintain operational security posture to ensure...policy changes. + Previous experience operating as a SCI/SAP ISSO , ISSE , System Administrator, or ISSM. +… more
    The MITRE Corporation (11/11/25)
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  • Information Systems Security Engineer…

    Huntington Ingalls Industries (Honolulu, HI)
    Security Engineer at our Honolulu, Hawaii location. The Information Systems Security Engineer ( ISSE ) is responsible for the implementation, monitoring, and ... SCAP benchmarks, configuration checklists, and manual validation + Coordinate with NETOPS, ISSO /ISSM, and virtualization teams to ensure that security controls… more
    Huntington Ingalls Industries (11/18/25)
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