• Sr . ISSE TS/SCI Poly

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Sr . 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 Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At **Leidos** , we offer… more
    Leidos (11/15/25)
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  • Sr . ISSE TS/SCI Poly

    Leidos (Annapolis Junction, MD)
    …up front. Unfortunately, no exceptions. Leidos has an exciting opportunity for a Senior Security Engineer to join a high performing agile team using the Scaled ... Agile Framework (SAFe) methodology to support a fast-paced, complex program! Program execution follows DEVOPS best practices and employs robust development, test and production environments. Our team of security engineers support enhancements to system… more
    Leidos (09/15/25)
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  • Secret Senior ISSE

    Insight Global (Belcamp, MD)
    Job Description A client of Insight Global is seeking an ISSE to support a large Army program. We are seeking a highly skilled Information Systems Security Engineer ... ( ISSE ) to lead hands-on implementation of configuration management (CM)...working prototype with usage documentation by twelve months. The ISSE will collaborate closely with developers, security engineers, and… more
    Insight Global (11/20/25)
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  • ISSE Senior - with TS/SCI Poly

    Amentum (Columbia, MD)
    …the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior ISSE ** to join our team of passionate individuals in **Columbia, MD** . ... a direct impact on the Nation's security and intelligence mission. As the Senior ISSE on a dynamic team, you will perform technical security assessments of… more
    Amentum (10/14/25)
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  • Information Systems Security Engineer…

    Systems Technologies, Inc. (Hanover, MD)
    …SECURITY ENGINEER ( ISSE ) The company is seeking junior, mid-level, and senior Information Systems Security Engineers ( ISSE ) to provide SETA support in ... Information Systems Security Engineer ( ISSE ) Location Hanover, MD Job Setting On-site Job...of experience + Mid-level: 5 years of experience + Senior : 7 years of experience DESIRED QUALIFICATIONS + Information… more
    Systems Technologies, Inc. (12/02/25)
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  • Information Systems Security Engineer…

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Information Systems Security Engineer ( ISSE )** in our **National Security Sector's ... Work with up to eight (8) other ISSO and ISSE 's within a team environment. + **Qualifications** : Twenty...+ **Qualifications** : Twenty (20) years' experience as an ISSE . Bachelor's degree in computer science, Information Assurance, Information… more
    Leidos (11/18/25)
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  • ISSE (Hybrid)

    Huntington Ingalls Industries (Columbia, MD)
    …Job Description Enlighten is looking for an Information Systems Security Engineer ( ISSE ). Candidate will perform system or network designs that encompass multiple ... and be flexible to accommodate any schedule changes as needed. #LI-KB2 #Mid- Senior Level Essential Job Responsibilities + Will create, review and edit authorization… more
    Huntington Ingalls Industries (11/06/25)
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  • ISSE / ISSO

    Athenix Solutions Group, LLC (Annapolis Junction, MD)
    ISSE / ISSO Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) *ACS Description Athenix Solutions Group is looking for Information ... with established Information Assurance standards and regulations. In addition, the ISSE /ISSO will recommend and oversee the application of mitigation strategies to… more
    Athenix Solutions Group, LLC (10/23/25)
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  • Senior Information Systems Security…

    Belay Technologies (Laurel, MD)
    …2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior Information Systems Security Engineer ( ISSE ) to join our intel team. The ... Assurance (IA) standards and regulations, and recommend mitigation strategies. The ISSE validates and verifies system security requirements definitions and analysis… more
    Belay Technologies (12/08/25)
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  • Mid/ Senior System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …similar scope, type, and complexity within the federal Government is required. + Senior Level: Fifteen (15) years of experience in programs and contracts of similar ... (eg IAVA, Version updates) + Excellent communications skills + Working with the ISSE and the accreditation of the system, handling Service desk tickets and heading… more
    Belay Technologies (11/19/25)
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  • Mid/ Senior Information Systems Security…

    Belay Technologies (Annapolis Junction, MD)
    …Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies is Mid/ Senior Information Systems Security Engineer ( ISSE ) to join our intel team. The ... selected candidate will have numerous responsibilities from day to day drawn from a wide array of activities. The strongest candidates will have experience working in these areas: + Validating and verifying system security requirements and establishing system… more
    Belay Technologies (11/06/25)
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  • Information Systems Security Engineer - Principal

    Amentum (Fort Meade, MD)
    …the front and back end of new products and processes. **Responsibilities:** The ** Senior Information Systems Security Engineer ( ISSE )** shall deliver and lead ... presenting technical information to both technical and non-technical audiences to include senior stakeholders * Expertise in the Risk Management Framework (RMF) and… more
    Amentum (10/23/25)
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  • Information System Security Officer (ISSO)

    Lockheed Martin (Hanover, MD)
    …applicable regulations\. \- Provide security briefings and status reports to senior leadership and stakeholder groups\. \- Ensure configuration management \(CM\) and ... ATO packages and to sustain system authorizations\. **Desired Skills:** Relevant ISSO/ ISSE experience within the Intelligence Community\. Knowledge of the Defense… more
    Lockheed Martin (10/18/25)
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