• Information Security Professionals…

    Leidos (Annapolis Junction, MD)
    …National Security!** Information Systems Security Officers ( ISSO ) and Information Systems Security Engineers ( ISSE ) will support our Leidos-led Prime ... Laurel, Columbia, Annapolis Junction, Linthicum and Ft. Meade, MD. ** ISSO Job Summary:** The Information System Security...customer security suite **Clearance Required: Must have an active TS / SCI with Polygraph.** CONMD KQW If you're… more
    Leidos (10/18/25)
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  • ISSO / ISSE , TS / SCI

    General Dynamics Information Technology (Bethesda, MD)
    …ID:** RQ211291 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... your opportunity to make a personal impact as an ISSO / ISSE supporting customer activities. GDIT is your...security policies and guidance. + **Security Clearance Level** : TS / SCI with active polygraph + **Location** :… more
    General Dynamics Information Technology (12/11/25)
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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 ... ISSE / ISSO Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA)...exciting job waiting for you! Requirements + Active Clearance: TS / SCI with Polygraph?is required + Education: Positions… more
    Athenix Solutions Group, LLC (10/23/25)
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  • Information System Security Officer…

    Lockheed Martin (Hanover, MD)
    …technical and non technical audiences\. **Basic Qualifications:** All candidates must possess a Final Top Secret Clearance w/ SCI and a Full Scope Polygraph\. ... security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know**… more
    Lockheed Martin (10/18/25)
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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 ... accreditation documentation. Work with up to eight (8) other ISSO and ISSE 's within a team environment....for a bachelor's degree. + **Security Clearance** : Active TS / SCI with Polygraph required to be considered… more
    Leidos (11/18/25)
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  • ISSE

    Lentech, Inc (Hanover, MD)
    …high-profile intelligence community clients. We currently have a unique opportunity for an ISSE /IA/ ISSO with expertise in Information Systems Security to ... of highly skilled INFOSEC engineers and technologists. Clearance: Current TS / SCI Poly JOB FUNCTIONS AND RESPONSIBILITIES: This...include, but not limited to) activities: As a talented ISSE , you will bring your skills with experience and… more
    Lentech, Inc (11/12/25)
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  • Information Systems Security Officer…

    Athenix Solutions Group, LLC (Annapolis Junction, MD)
    …or enclave's information assurance program Requirements **All openings require a TS / SCI with polygraph clearance to start.** The Level 1 Information ... of: System Administrator (SA), Information System Security Officer ( ISSO ), Information System Security Engineer ( ISSE ), Information Technology… more
    Athenix Solutions Group, LLC (11/07/25)
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  • Information System Security Engineer…

    TekSynap (Washington, DC)
    …a federal agency. The team provides Information Systems Security Officer ( ISSO ), Information Systems Security Engineer ( ISSE ), and Information ... support Information System Engineering performed by the Information System Security Engineer ( ISSE ) includes the...improvement. **REQUIRED QUALIFICATIONS** + Mandatory: Must hold an active TOP SECRET clearance with the ability to… more
    TekSynap (11/30/25)
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  • Information Systems Security Officer…

    CGI Technologies and Solutions, Inc. (Columbia, MD)
    ** Information Systems Security Officer TS / SCI with Poly REQUIRED** **Category:** Cyber Security **Main location:** United States, Maryland, Columbia ... **Position ID:** J1225-1121 **Employment Type:** Full Time **Position Description:** Seeking an Information Systems Security Officer ( ISSO ) with a proven track… more
    CGI Technologies and Solutions, Inc. (12/17/25)
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  • Senior Information System Security Officer

    The MITRE Corporation (Mclean, VA)
    …RMF, NIST SP 800-53, J-SIG, STIGs, and SCAP Compliance Checker. + Experience supporting Sensitive Compartmented Information ( SCI ) and/or Special Access ... combination of related education and work experience. + Active Top Secret clearance with SCI ...and policy changes. + Previous experience operating as a SCI /SAP ISSO , ISSE , System Administrator,… more
    The MITRE Corporation (12/18/25)
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  • Senior Cyber Risk Manager (Splunk Engineer)

    The MITRE Corporation (Mclean, VA)
    …or a PhD; or equivalent combination of related education and work experience. + Active Top Secret clearance with SCI eligibility. Ability to obtain and ... and policy changes. + Previous experience operating as a SCI /SAP ISSO , ISSE , System Administrator,...year from the date of hire, the following clearance(s): Top Secret / SCI Work Location Type:… more
    The MITRE Corporation (11/08/25)
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  • Modernization Accelerator: 2025 Hiring Alert…

    Lockheed Martin (Hanover, MD)
    …as an external hire\! \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph Seeking multiple levels of ... * Cyber researchers \(Capabilities Analyst, etc\) * System Security \( ISSO / ISSE / ISSM\) * Technical...Skills:** * Familiar with RF algorithm development **Clearance Level:** TS / SCI w/Poly SP **Other Important Information more
    Lockheed Martin (09/25/25)
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  • Cyber Software Engineer - SIGINT Systems

    Lockheed Martin (Hanover, MD)
    …as an external hire\! \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph Seeking multiple levels of ... * Cyber researchers \(Capabilities Analyst, etc\) * System Security \( ISSO / ISSE / ISSM\) * Technical...degree\. Considered an expert, authority in discipline\. **Clearance Level:** TS / SCI w/Poly SP **Other Important Information more
    Lockheed Martin (09/25/25)
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  • Senior Information System Security Engineer

    General Dynamics Information Technology (Reston, VA)
    …ID:** RQ210603 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... security indoctrination with any necessarycertifications. + Security Clearance Level: TS / SCI and CI Poly + Experience with:...solving, team player + Preferred Skills: Experience as an ISSO , ISSM, ISSE , or Security Controls Assessor.… more
    General Dynamics Information Technology (11/21/25)
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  • Data Team Lead - TS / SCI w/Poly

    Parsons Corporation (Annapolis Junction, MD)
    …with NC3 mission space + AWS Cloud certifications **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for ... Information System Security Officer ( ISSO ) and Information System Security Engineer ( ISSE ) functions, manage...data governance, and experience leading data efforts + Active TS / SCI w/Poly **What Desired Skills You'll Bring:**… more
    Parsons Corporation (09/30/25)
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  • Cleared Senior Information Systems Security…

    Virtual Service Operations (Lorton, VA)
    Cleared Senior Information Systems Security Engineer ( ISSE ) L4...Travel: o Up to 10% + Security Clearance: Active Top Secret with SCI . Preferred ... take the next steps in your career as an Information Systems Security Engineer ( ISSE )? Let's chat...travel up to 10% + Must possess an active TS / SCI clearance or above + Please… more
    Virtual Service Operations (11/09/25)
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  • Cleared Information Systems Security…

    Virtual Service Operations (Lorton, VA)
    Cleared Information Systems Security Engineer ( ISSE ) L3...Travel: o Up to 10% + Security Clearance: Active Top Secret with SCI Preferred ... take the next steps in your career as an Information Systems Security Engineer ( ISSE )? Let's chat...travel up to 10% + Must possess an active TS / SCI clearance or above + Please… more
    Virtual Service Operations (10/04/25)
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  • SONAR Systems Engineering Manager 2

    Northrop Grumman (Annapolis, MD)
    …dedicated network for our Sonar Design and sustainment team in cooperation with ISSE , ISSO and network Admins. Interfacing with Government Representatives and ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At...field sites for final sell-off testing. + A current TS /SSBI/ SCI clearance to start and the ability… more
    Northrop Grumman (12/11/25)
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  • Information Systems Security Engineer…

    Nightwing (Sterling, VA)
    …work schedules, a peer recognition and reward system, and performance-based bonuses ** Information Systems Security Engineer ( ISSE ) (Open)** Nightwing seeks a ... cybersecurity professional to serve as an ISSE in Sterling, VA. The ISSE will...and thrive in a fast-paced environment **Required Skills** + TS / SCI with Poly Clearance Required + Experience… more
    Nightwing (11/25/25)
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  • National Security Sector Referrals

    Leidos (Reston, VA)
    …Engineer + Reverse Engineer/Embedded Engineer + Systems Administration - Linux + Information Security Systems Engineer/Officer ( ISSE / ISSO ) + Data Scientist ... of a degree + Clearance Preferred (and commonly required): TS / SCI with Polygraph. At **Leidos** , we...the fiscal year ended January 3, 2025. For more information , visit www.Leidos.com . **Pay and Benefits** Pay and… more
    Leidos (10/18/25)
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