• Senior Information Systems

    RTX Corporation (Aurora, CO)
    …create a safer, more secure world. Our cybersecurity team is seeking a ** Information Systems Security Officer (ISSO)** to support our team **100% onsite** at ... etc.) + Relevant Experience Considered in any combination: + Cybersecurity , systems security or hardening + Information Technology + Experience with SCI… more
    RTX Corporation (01/08/26)
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  • Senior Systems Security Engineer

    TekSynap (Dahlgren, VA)
    …of secure IT systems . This positionis responsible forperforming cybersecurity architecture reviews, system hardening, and vulnerability remediation to ... TheTekSynap is seeking a **S** **enior S** **ystem** **s Security Engineer** **.** The Senior Systems Security Engineer (SSE) serves as Key Personnel under the… more
    TekSynap (10/31/25)
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  • Senior Security Systems Engineer…

    Cydecor, Inc. (Dahlgren, VA)
    …what separates us. Job Description: Cydecor is seeking a Senior Security Systems Engineer to support cybersecurity and systems engineering for US ... systems to be certified and accredited. + Research and apply Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs) and… more
    Cydecor, Inc. (12/21/25)
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  • Cloud Information Systems Security…

    CGI Technologies and Solutions, Inc. (Washington, DC)
    **Cloud Information Systems Security Officer (ISSO) - Senior ** **Category:** Cyber Security **Main location:** United States, District of Columbia, ... are required. CGI Federal is currently looking for a Senior -level Cloud Information Systems Security...Bachelor's or advanced degree in Information Technology, Cybersecurity , Computer Science, Information Systems ,… more
    CGI Technologies and Solutions, Inc. (12/24/25)
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  • Senior Information Systems

    Applied Research Solutions (Bedford, MA)
    **Description** ARS is seeking a Senior Information Systems Security Engineer (ISSE) candidate located at Hanscom, AFB. Applied Research Solutions (ARS) is ... procedures to ensure the reliability of and accessibility to information systems and to prevent and defend...systems . + Review and assess architectures and recommend cybersecurity strategies to developmental and legacy system more
    Applied Research Solutions (01/06/26)
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  • Senior Information Systems

    Watershed Security (Philadelphia, PA)
    Cybersecurity and Government Contracting experiencing. Watershed is looking for a Senior Information Systems Security Officer (ISSO) to support the ... vulnerability and threat assessments to identify and mitigate risks to information systems . + Lead cyber-incident-response efforts, including isolating affected… more
    Watershed Security (01/02/26)
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  • Senior Information System

    ManTech (Washington, DC)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Information System Security Representative (ISSR)** to join our team in **Washington, ... Master's and 3 years. + Hold one of the following certifications: Certified Information Systems Security Professional (CISSP), Global Information Security… more
    ManTech (12/05/25)
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  • Senior SCADA Systems Engineer…

    Nammo Defense Systems, Inc (Mesa, AZ)
    Senior SCADA Systems Engineer - Operational Technology Nammo Defense Systems , Inc., a defense contractor, is the primary USA operation of the Nammo Group ... carbon fiber tubes and composite aerospace structures. JOB OVERVIEW: We are seeking a Senior SCADA & Data Systems Engineer to join our operations technology… more
    Nammo Defense Systems, Inc (01/09/26)
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  • Senior Control Systems

    Concurrent Technologies Corporation (HI)
    SENIOR CONTROL SYSTEMS ENGINEER/INSPECTOR SME Concurrent Technologies Corporation MCB Hawaii Minimum Clearance Required: Secret Clearance Level Must Be Able to ... ERS Division is seeking a qualified and proactive candidate to provide Information Technology (IT), Operational Technology (OT) and Cybersecurity support. The… more
    Concurrent Technologies Corporation (01/17/26)
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  • Senior Information System

    Tyto Athene (Washington, DC)
    **Description** Tyto Athene is hiring a ** Senior Information System Security Officer (ISSO)** to support one of our law enforcement customers in Washington, ... protected by applicable law. Submit a Referral (https://careers-gotyto.icims.com/jobs/1630/ senior - information - system -security-officer/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834326889) **Location** _US-DC-Washington_… more
    Tyto Athene (12/27/25)
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