• 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 ... and employs robust development, test and production environments. Our team of security engineers support enhancements to system security architecture and cyber… more
    Leidos (12/15/25)
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  • IT Project Lead

    TekSynap (Washington, DC)
    …agency. The team provides Information Systems Security Officer (ISSO), Information Systems Security Engineer ( ISSE ), and Information Systems Security ... data. **REQUIRED QUALIFICATIONS** + Mandatory: Must hold an active TOP SECRET clearance with the ability to...AUTHORIZATION/ SECURITY CLEARANCE** + S. Citizen + Active Top Secret clearance required **OTHER DUTIES** Please… more
    TekSynap (11/30/25)
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  • National Security Sector Referrals

    Leidos (Reston, VA)
    Engineer /Embedded Engineer + Systems Administration - Linux + Information Security Systems Engineer /Officer ( ISSE /ISSO) + Data Scientist + Systems ... **Leidos** has new and exciting opportunities in our **National Security Sector's** **(NSS) Cyber & Analytics Business Area (CABA)**...common opportunities are in the following areas: + Software Engineer / Developer: Java, Python, AI/ML + DevOps … more
    Leidos (10/18/25)
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  • Information Systems Security

    TekSynap (Washington, DC)
    **Responsibilities & Qualifications** **REQUIRED QUALIFICATIONS** + **Mandatory Active Top - Secret Clearance with a CI Poly** + 8-10 years proventrack ... vision, depth perception, and ability to adjust focus. **WORK AUTHORIZATION/ SECURITY CLEARANCE** Citizenship: US Citizenship Clearance requirement: TS /SCI,… more
    TekSynap (11/06/25)
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  • Information Systems Security

    Parsons Corporation (Fort Belvoir, VA)
    …+ Experience in engineering cross-domain solutions ** Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this ... **Job Description:** Parsons is looking for an amazingly talented ** ISSE ** to join our team! Your role will include...treatment decisions **What Required Skills You'll Bring:** + Active TS /SCI clearance + BA/BS in Information Security more
    Parsons Corporation (12/25/25)
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  • Senior Information System Security

    General Dynamics Information Technology (Reston, VA)
    …RQ210603 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... information systems and network architectures as an Information System Security Engineer at GDIT. Here, you'll tailor...of security indoctrination with any necessarycertifications. + Security Clearance Level: TS /SCI and CI Poly… more
    General Dynamics Information Technology (11/21/25)
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  • Senior Cyber Risk Manager (Splunk Engineer

    The MITRE Corporation (Mclean, VA)
    … Services Division (R300) is looking to fill a Senior Information Systems Security Engineer position, with a focus on classified environments. The selected ... a PhD; or equivalent combination of related education and work experience. + Active Top Secret clearance with SCI eligibility. Ability to obtain and maintain a… more
    The MITRE Corporation (11/08/25)
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  • Information Systems Security

    Amentum (Columbia, MD)
    We are seeking a Information Systems Security Engineer LV3 for a prime contract that is based out of our Columbia, MD office. **Responsibilities:** + Participate ... as the primary security engineering representative on engineering teams for the design,...requirements **Requirements:** + Twenty (20) years experience as an ISSE on programs and contracts of similar scope, type,… more
    Amentum (11/12/25)
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  • Program Security Engineer

    SAIC (Chantilly, VA)
    Security Officers (CPSO) and Information System Security Engineers ( ISSE ). **Qualifications** + Must possess an active TS /SCI clearance with Polygraph. ... & integration and more. This position is for Program Security Engineer for a large, multi-year contract...**Desired Qualifications:** + Experience working in an ISSM or ISSE role. + Experience working in a PSO role… more
    SAIC (12/23/25)
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  • Information Systems Security

    ARSIEM (Annapolis Junction, MD)
    …have an impact on every client you work with. ARSIEM seeks an Information Systems Security Engineer 3 . This position will support one of our government clients ... in Annapolis Junction, MD. Responsibilities + Perform or review technical security assessments of computing environments to identify points of vulnerability and… more
    ARSIEM (10/14/25)
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