• Special Security Officer (LE)

    Walden Security (Washington, DC)
    Walden Security is currently recruiting experienced a Special Security Officer . SSOs will provide armed security . **Essential Duties and ... (1) calendar year of verifiable experience as a certified law enforcement officer or its military equivalency (Master-at-Arms, CGPD, Security Forces Specialist,… more
    Walden Security (08/08/25)
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  • Program Security Officer

    Amentum (Falls Church, VA)
    …and flexible approaches that meet our clients' evolving and dynamic needs. The program security officer will perform as a Special Access Program (SAP) ... supporting compartmented programs. + US government issued TS/SCI with Polygraph security clearance required at time of application. \#sapadministrator Amentum… more
    Amentum (08/21/25)
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  • Information System Security Officer

    ManTech (Annapolis Junction, MD)
    **Mantech** seeks a motivated, career-driven, and customer-focused **Information System Security Officer (ISSO)** to join our team in **Annapolis Junction, MD** ... Infrastructure Services (EIS) organization, responsible for the delivery and security of MPO's Enterprise Information Technology (EIT)-the foundation for… more
    ManTech (07/23/25)
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  • Junior Information System Security

    Tyto Athene (Washington, DC)
    **Description** Tyto Athene is searching for a **Junior Information System Security Officer (ISSO)** to support one of our law enforcement customers in ... protected by applicable law. Submit a Referral (https://careers-gotyto.icims.com/jobs/1383/junior-information-system- security - officer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834326889) **Location** _US-DC-Washington_ **ID** _2025-1383_… more
    Tyto Athene (08/09/25)
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  • ISSO - Information System Security

    Watershed Security (Washington, DC)
    JOB DESCRIPTION Watershed Security is looking for an Experienced Information System Security Officer (ISSO) to join our growing team in Washington, DC. Be ... three (see below for more information) Analyzes and defines security requirements. Performs risk analysis and security ...Specific operational impacts of cybersecurity lapses + Active Secret Clearance required + Work is onsite in Greater DC… more
    Watershed Security (07/23/25)
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  • Information Systems Security Officer

    Spectrum Comm Inc (Falls Church, VA)
    Position Overview The Information Systems Security Officer (ISSO) is responsible for ensuring that all IT systems remain compliant with applicable cybersecurity ... IAM Level II certification required (eg, CISSP, CISM, CAP). Security Requirements + Active or interim Secret clearance... Security Requirements + Active or interim Secret clearance required at the time of hire. Benefits +… more
    Spectrum Comm Inc (08/09/25)
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  • Senior Information System Security

    Leidos (Gaithersburg, MD)
    …of the Decision Advantage Solutions Business Area, is currently seeking an Information System Security Officer (ISSO) for the Chinook Program. The ISSO will be ... **Description** Leidos National Security Sector combines technology-enabled services and mission software...(TS), using the Nessus and Tenable-ACAS vulnerability scanning tools. ** Clearance Level Required:** Top Secret with the ability to… more
    Leidos (08/20/25)
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  • Senior Information Systems Security

    Synergy ECP (Annapolis Junction, MD)
    Senior Information Systems Security Officer Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) Description We are searching for ... ongoing mission-critical operations. With high demand from our National Security customers for our talent and expertise, our employees...or IAT Level III (ie, CASP, CISSP, or Associate). CLEARANCE REQUIRED + Must be fully cleared with the… more
    Synergy ECP (08/08/25)
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  • Information Systems Security Officer

    ARSIEM (Annapolis Junction, MD)
    …have an impact on every client you work with. ARSIEM seeks an Information Systems Security Officer 2 . This position will support one of our government clients ... + Support proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies. + Maintain operational … more
    ARSIEM (07/16/25)
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  • Principal Information Systems Security

    Leidos (Annapolis Junction, MD)
    …**Leidos** has a new and exciting opportunity for a **Principal Information Systems Security Officer (ISSO)** in our **National Security Sector's (NSS) ... Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling,… more
    Leidos (06/05/25)
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