• Senior Information Systems Security…

    Leidos (MD)
    **Description** As a Senior Information Security Systems Engineer ( ISSE ) you will join a small team of security engineers providing Information Assurance ... expertise and advice to our customer. **Primary Responsibilities:** The Senior ISSE shall deliver and lead threat-informed...and compliance of its content **CLEARANCE REQUIRED** : Active TS / SCI with polygraph. US Citizenship required. CCA… more
    Leidos (06/27/25)
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  • ISSE w/ TS / SCI w/Poly

    Watershed Security (Vienna, VA)
    JOB DESCRIPTION Watershed Security is seeking a qualified Information System Security Engineer, Senior , in a law enforcement environment and providing subject ... to NIST and FBI Security policy. REQUIRED QUALIFICATIONS + Must have a TS / SCI with Counterintelligence Polygraph + Demonstrated expertise in systems security… more
    Watershed Security (08/08/25)
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  • Sr. ISSE TS / SCI Poly

    Leidos (Annapolis Junction, MD)
    …where you can thrive, keep reading! Leidos has an exciting opportunity for a Senior Security Engineer to join a high performing agile team using the Scaled Agile ... with geographically distributed components. + Identifying and implementing appropriate information security architectures and functionality to ensure uniform application… more
    Leidos (06/16/25)
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  • Information Systems Security Engineer…

    Systems Technologies, Inc. (Hanover, MD)
    …SYSTEMS SECURITY ENGINEER ( ISSE ) The company is seeking junior, mid-level, and senior Information Systems Security Engineers ( ISSE ) to provide SETA ... Information Systems Security Engineer ( ISSE ) Location...Advanced Security Practitioner (CASP+) SECURITY CLEARANCE . Active DoD Top Secret / SCI clearance required TRAVEL… more
    Systems Technologies, Inc. (06/03/25)
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  • ISSE

    SAIC (Fort Meade, MD)
    …delivering mission excellence on programs of national importance. SAIC is hiring a Senior Information Systems Security Engineers ( ISSE ) in **Fort Meade, ... and implement secure networking, computing, and enclave environments. **Qualifications** + Active TS / SCI with polygraph clearance. + Fourteen years of IA System… more
    SAIC (08/07/25)
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  • ISSE (Hybrid)

    Huntington Ingalls Industries (Columbia, MD)
    …during the interview process. Job Description Enlighten is looking for an Information Systems Security Engineer ( ISSE ). Candidate will perform system or ... Enlighten, honored as a Top Workplace from USA Today, is a leader...assigned. Minimum Qualifications + Security Clearance - A current TS / SCI level US Government clearance is required;… more
    Huntington Ingalls Industries (08/08/25)
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  • ISSE / ISSO

    Athenix Solutions Group, LLC (Annapolis Junction, MD)
    …established Information Assurance standards and regulations. In addition, the ISSE /ISSO will recommend and oversee the application of mitigation strategies to ... ISSE / ISSO Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) *ACS Description...exciting job waiting for you! Requirements + Active Clearance: TS / SCI with Polygraph?is required + Education: Positions… more
    Athenix Solutions Group, LLC (07/24/25)
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  • Senior Information Systems Security…

    RTX Corporation (Cambridge, MA)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret Senior Information Systems Security Manager ... in Cambridge, MA. have a great opportunity for a Senior Information Systems Security Manager (Sr. ISSM)...controls/requirements with government Contracting Activities + Possess an active TS / SCI with current poly US security clearance.… more
    RTX Corporation (07/30/25)
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  • Information System Security Manager III

    Global Resource Solutions (Arlington, VA)
    …and Military Compartment efforts. The position will provide "day-to-day" support for Collateral, Sensitive Compartmented Information ( SCI ) and Special ... detail orientated, and talented individual for the position of Information System Security Manager (ISSM) III. Job Description: Summary:...of the date of hire. Security Requirements: + Current Top Secret Clearance with SCI more
    Global Resource Solutions (07/22/25)
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  • Senior Information System Security…

    ManTech (Quantico, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Information System Security Engineer ( ISSE )** to join our team in **Quantico, VA.** ... **Responsibilities include, but are not limited to:** + Identify information protection needs for an IS and Network Environment....Requirements:** + Must have a current/active Top Secret clearance with eligibility to obtain SCI .… more
    ManTech (08/13/25)
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  • Senior Information System Security…

    ManTech (Chantilly, VA)
    ManTech is seeking a motivated, career and customer-oriented ** Senior Information System Security Engineer ( ISSE )** to join our team **in Chantilly, VA.** ... **Responsibilities include, but are not limited to:** + Identify information protection needs for an IS and Network Environment....Requirements:** + Must have a current/active Top Secret security clearance with eligibility to obtain SCI more
    ManTech (07/03/25)
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  • Sr Systems Security Engineer

    Sierra Nevada Company, LLC (Beavercreek, OH)
    …and more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US ... to juggle priorities on-the-fly + CASP+, CISSP, or CSSLP Certification + **Active TS clearance with SCI eligibility required** **Qualifications We Prefer:** +… more
    Sierra Nevada Company, LLC (07/31/25)
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  • Engineer Senior Information System…

    BAE Systems (Broomfield, CO)
    … security clearance is required with ability to obtain and maintain a TS / SCI . + Knowledge of information security principles, practices, technologies, ... may be available based on position level and/or job specifics. **Engineer Senior Information System Security** **114373BR** EEO Career Site Equal Opportunity… more
    BAE Systems (07/16/25)
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  • Senior Principal Information Systems…

    Concurrent Technologies Corporation (Columbia, MD)
    Senior Principal Information Systems Security Engineer Concurrent Technologies Corporation Client Site - Columbia, MD area Minimum Clearance Required: TS / ... Fullscope Poly Clearance Level Must Be Able to Obtain: TS / SCI with Fullscope Poly CTC stays ahead...our clients' toughest challenges. As a part of the Information Technology (IT) Division, you will be strengthening our… more
    Concurrent Technologies Corporation (08/07/25)
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  • Information Systems Manager

    ManTech (Doral, FL)
    …team in **Doral, FL.** **Responsibilities include but are not limited to:** + The Senior Information System Security Engineer ( ISSE ) is responsible for ... security controls are integrated into system designs + The Senior Information System Security Engineer ( ISSE...is desired. **Clearance Requirements:** + Must have an active TS / SCI clearance. **Physical Requirements:** + Must be… more
    ManTech (07/24/25)
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  • Senior Cyber Security Engineer

    ManTech (Reston, VA)
    …PowerShell) to support security operations **Clearance Requirements:** + Must have active TS / SCI with Polygraph **Physical Requirements:** + Must be able to ... MANTECH seeks a motivated, career and customer-oriented ** Senior Cyber** **Security Engineer** to join our team...the new Modern Data Platform (MDP) transformation + Support ISSE /ISSO tasking, including the documentation and navigation of the… more
    ManTech (08/20/25)
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  • Mid/ Senior Information Systems…

    Belay Technologies (Annapolis Junction, MD)
    …to 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. ... conducting security verification testing of relevant type 1 devices. Preferred Qualifications: + TS / SCI Clearance with polygraph within the last 6 yrs. + Must… more
    Belay Technologies (08/07/25)
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  • Senior IT Security Analyst

    KBR (Tinker AFB, OK)
    …similar CS tools + CISCO ASA 5512, CISCO Switches/Routers + Ability to obtain a TS / SCI clearance Belong, Connect and Grow at KBRAt KBR, we are passionate about ... Title: Senior IT Security Analyst Belong. Connect. Grow. with...days possible and must be able to obtain a SECRET clearance. Roles and Responsibilities + Technical security guidance… more
    KBR (07/23/25)
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  • Cybersecurity Engineer

    General Atomics (Rome, NY)
    …You will collaborate with IT, development, and management teams to safeguard sensitive information . If you are passionate about cybersecurity and ready ... North Point Defense is seeking a skilled and motivated Information System Security Engineer ( ISSE ) to join...level 1 certification is a plus. + Active DoD TS / SCI clearance is a plus; ability to… more
    General Atomics (08/23/25)
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  • Information System Security Engineer

    CACI International (Albuquerque, NM)
    …Job Category: Security Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel Required: None Type of ... This position is considered a mission-critical role. As an Information Systems Security Engineer ( ISSE ) supporting SpRCO,...discipline. + Minimum of ten years experience. + DoD TS / SCI clearance. + Experience in understanding computer… more
    CACI International (06/02/25)
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