• Information System Security Engineer (ISSE)…

    TekSynap (Washington, DC)
    …to perform the essential functions. **WORK AUTHORIZATION/SECURITY CLEARANCE** + S. Citizen + Active Top Secret clearance required **OTHER DUTIES** Please ... **Responsibilities & Qualifications** **Required Qualifications** + **Security Clearance** + Must hold an active ** Top Secret clearance** with the ability to… more
    TekSynap (12/24/25)
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  • Information System Security Engineer (ISSE)…

    TekSynap (Washington, DC)
    …in support of continuous process improvement. **REQUIRED QUALIFICATIONS** + Mandatory: Must hold an active TOP SECRET clearance with the ability to obtain an ... to perform the essential functions. **WORK AUTHORIZATION/SECURITY CLEARANCE** + S. Citizen + Active Top Secret clearance required **OTHER DUTIES** Please… more
    TekSynap (11/30/25)
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  • Senior Information System Security Officer

    Zantech (Washington, DC)
    …Security Clearance: + US Citizenship and the ability to obtain and maintain an active Top Secret /SCI or higher clearance, per contract requirements. ... response activities for assigned systems + Provide cybersecurity guidance to senior leadership + Mentor junior ISSO staff + Works across all active call… more
    Zantech (12/24/25)
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  • Senior Information Systems Security Officer…

    Leidos (Annapolis Junction, MD)
    …**This position is eligible for a 15k sign on bonus!** **Job Summary:** The ** Senior ISSO ** plays a vital role in securing and maintaining the integrity ... **Leidos** has a new and exciting opportunity for a ** Senior Information Systems Security Officer ( ISSO )** in...CISSP, or Associate). + **Clearance Requirement:** **Must hold an active TS /SCI with Polygraph.** **KQW** **conmd** If… more
    Leidos (12/02/25)
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  • Cybersecurity - Senior Information System…

    The Boeing Company (Herndon, VA)
    …relocation based on candidate eligibility. **Security Clearance** This position requires an active US Top Secret /SCI Security Clearance (US Citizenship ... to obtain access to Sensitive Compartmented Information (SCI) Programs + Active Full Scope Polygraph **Preferred Qualifications (Desired Skills/Experience):** + 5+… more
    The Boeing Company (12/25/25)
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  • Senior Information System Security Officer

    ManTech (Washington, DC)
    …other cyber discipline **Clearance Requirements:** + Must be a US Citizen and have a current/ active Top Secret clearance with SCI eligibility + Program may ... **MANTECH** seeks a motivated, career and customer-oriented ** Senior Information System Security Officer ( ISSO )**...and customer-oriented ** Senior Information System Security Officer ( ISSO )** to join our team in **Washington, DC** .… more
    ManTech (12/11/25)
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  • Information System Security Representative (ISSR)…

    CGI Technologies and Solutions, Inc. (Washington, DC)
    …CGI Federal is currently looking for an Information Systems Security Representative - Sr. with active Top Secret clearance to support a large project for a ... controlled systems being decommissioned, in coordination with the SO, ISSO , and ISSR. **Required qualifications to be successful in...**Required qualifications to be successful in this role:** * Active Top Secret clearance with… more
    CGI Technologies and Solutions, Inc. (12/24/25)
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  • Senior System Administrator

    Synergy ECP (Columbia, MD)
    Senior System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Company Description: Synergy ECP is a Service Disabled ... security hardening, patching, and monitoring status. Position also will support ISSO and ISSEs in obtaining and maintaining security certification and accreditation.… more
    Synergy ECP (10/15/25)
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  • Information System Security Manager (ISSM)

    KBR (Bethesda, MD)
    senior level agreements etc. Required Skills and Experience: + Security Clearance Requirements: Active TS /SCI and willingness to sit for a poly upon request. ... and milestones (POA&Ms). + Monitor system status updates and report to senior leadership. + Create monthly executive reports, vulnerability reports. + Monthly… more
    KBR (12/13/25)
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  • Authorization & Accreditation (A&A) Program Lead…

    ICF (Alexandria, VA)
    …and documentation development is required. + Must have experience leading A&A or ISSM/ ISSO teams through system authorization or reauthorization cycles. + Active ... proven ability to interface with AOs, SCA personnel, and senior leadership. **\#ICFNS** **Working at ICF** ICF is a...needed reasonable accommodations. Read more about workplace discrimination righ ts or our benefit offerings which are included in… more
    ICF (10/31/25)
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