• AeroVironment (Jessup, MD)
    **Worker Type** Regular **Job Description** **Summary** The Senior Information Systems Security Officer will provide aid to the program, organization, system, or ... followed. + Manage changes to system and assesses the security impact of those changes. + Perform vulnerability...missile systems. Founded in 1971 by celebrated physicist and engineer , Dr. Paul MacCready, we've been at the leading… more
    DirectEmployers Association (12/18/25)
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  • Infinity Systems Engineering (Alexandria, VA)
    …with industry standards, company policies, and regulatory requirements. + Conduct network vulnerability assessments and respond to security threats. + Support ... be more with us! Job Summary: We are seeking a skilled Systems Administrator/Network Engineer to join our mission-driven team. This position offers a broad scope of… more
    DirectEmployers Association (11/25/25)
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  • AeroVironment (Arlington, VA)
    …strong foundation in Linux system and network administration with a security -focusedmindset and contributes to the continuous improvement of Network Operations ... and breadth while supporting high-impact missions and advancing toward more senior network and solution engineering roles. **Position Responsibilities:** + Establish… more
    DirectEmployers Association (12/24/25)
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  • Senior Vulnerability Management…

    Cisco (Annapolis Junction, MD)
    …improve-by turning data into action and vulnerabilities into opportunities for growth As a Senior Vulnerability Management Engineer , your work will go far ... making a real difference in cybersecurity? At Cisco, our Vulnerability Management team (part of Splunk Global Security... Vulnerability Management team (part of Splunk Global Security ) is at the forefront of protecting the technologies… more
    Cisco (12/30/25)
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  • Information Systems Security

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Information Systems Security Engineer (ISSE) - Senior ** **Category:** Cyber Security **Main location:** United States, Virginia, Arlington **Position ... highly collaborative team to deliver state-of-the-art capabilities. The Information System Security Engineer (ISSE) designs, implements, and manages security more
    CGI Technologies and Solutions, Inc. (12/26/25)
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  • Senior Offensive Security

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Offensive Security Engineer Job Description **Offensive Security Engineer ** **Overview** CoStar Group (NASDAQ: CSGP) is a leading global ... an invaluable edge in real estate. Evolve our offensive security capabilities to test our internal and external facing...the vulnerabilities. The ability to explain the exploit to senior level management is key to success in this… more
    CoStar Realty Information, Inc. (11/24/25)
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  • Senior Principal Offensive Security

    Oracle (Annapolis, MD)
    **Job Description** Job Description **Offensive Security Engineer ** Oracle Cloud Infrastructure Group The Oracle Cloud Infrastructure (OCI) Offensive Security ... security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability...us! Our ideal candidate is a hardworking and hands-on engineer who cares about security and improves… more
    Oracle (12/20/25)
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  • Security Software Engineer

    MongoDB (Washington, DC)
    We are hiring an experienced Security Software Engineer (Staff or Senior ) for our Infrastructure Security team to design and build scalable security ... into systems behaviour. + Develop APIs, automation, and tooling that manage security posture at scale (CSPM, vulnerability management, workload identity) and… more
    MongoDB (01/16/26)
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  • Senior Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Security Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate ... candidate will have experience implementing, using and updating standard security software in the areas of vulnerability ... section grows, so will the tools and the ** Senior Security Engineer ** will be… more
    CoStar Realty Information, Inc. (10/24/25)
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  • Security Engineer

    Tetrad Digital Integrity LLC (Arlington, VA)
    …threats and vulnerabilities in this digital age. TDI has an immediate need for a Security Engineer for a customer on a highly visible and strategic Cybersecurity ... Task Order. The Security Engineer will need to be a...ensure timely remediation and patching. + Develop and implement vulnerability management processes, including change controls and security more
    Tetrad Digital Integrity LLC (01/08/26)
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  • Security Engineer (Wiz and TVM…

    Leidos (Arlington, VA)
    **Description** Leidos has an immediate need for a Security Engineer for a customer on a highly visible and strategic Cybersecurity Task Order. The Security ... teams to ensure timely remediation and patching. + Develop and implement vulnerability management processes, including change controls and security exceptions. +… more
    Leidos (11/25/25)
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  • Information System Security Engineer

    TekSynap (Washington, DC)
    …:Services to support Information System Engineering performed by the Information System Security Engineer (ISSE) includes the following activities: + Lead, ... process improvement. **Overview** We are seeking an Information System Security Engineer (ISSE) to join our team...(ISSR) experts as a service through ISaaS to deliver vulnerability , compliance, and risk management services as part of… more
    TekSynap (12/24/25)
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  • Information System Security Engineer

    TekSynap (Washington, DC)
    …:Services to support Information System Engineering performed by the Information System Security Engineer (ISSE) includes the following activities: + Lead, ... + Teamwork **Overview** We are seeking an Information System Security Engineer (ISSE) to join our team...(ISSR) experts as a service through ISaaS to deliver vulnerability , compliance, and risk management services as part of… more
    TekSynap (11/30/25)
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  • Senior Information Systems Security

    Belay Technologies (Laurel, MD)
    …2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior Information Systems Security Engineer (ISSE) to join our intel team. ... The ISSE shall perform, or review, technical security assessments of computing environments to identify points of vulnerability , non-compliance with established… more
    Belay Technologies (12/08/25)
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  • Nucleus Security Engineer

    Leidos (Arlington, VA)
    senior leadership. + Process Improvement: Develop and maintain vulnerability management documentation (policies, procedures, playbooks) and automate processes ... Minimum of [e.g., 2-4] years of experience in IT security , with a focus on vulnerability management or security operations. + Technical Proficiency:… more
    Leidos (11/25/25)
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  • Systems and Network Security

    BOOZ, ALLEN & HAMILTON, INC. (Arlington, VA)
    Systems and Network Security Engineer The Opportunity: Are you looking for an opportunity to advance your experience in cyber and risk management that will ... in safeguarding their information management systems? As a systems security and network security engineer ,...technology and market trends to further research and develop security solutions. Using your experience in vulnerability more
    BOOZ, ALLEN & HAMILTON, INC. (01/13/26)
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  • Senior Platform Engineer

    Applied Research Solutions (Washington, DC)
    **Description** We are seeking a Senior Platform Engineer to lead the design, implementation, and maintenance of our secure DevSecOps platform infrastructure ... and validated according to DoD and USAF policy + Integrate automated security scanning, vulnerability assessment, and compliance checking throughout deployment… more
    Applied Research Solutions (01/16/26)
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  • Senior Cloud Engineer

    Tetrad Digital Integrity LLC (Arlington, VA)
    …threats and vulnerabilities in this digital age. We are seeking a highly capable Senior Cloud Engineer to spearhead cloud initiatives for our customer. In this ... while ensuring best practices across architecture, development, deployment, and security . The Security Cloud Engineer ...projects, both of a technical and compliance nature. The senior cloud engineer is expected to tackle… more
    Tetrad Digital Integrity LLC (12/31/25)
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  • Senior Cyber Engineer

    Nightwing (Washington, DC)
    …team that supports challenging, meaningful work that is vital to our national security , apply today! ** Senior Cyber Engineer ** Cyber Offense and ... customers in the intelligence community, defense, civil, and commercial markets. ** Senior Cyber Engineer ** Nightwing provides technically advanced full-spectrum… more
    Nightwing (01/09/26)
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  • Senior Specialist, Software Development…

    L3Harris (Washington, DC)
    …connecting the space, air, land, sea and cyber domains in the interest of national security . Job Title: Senior Specialist, Senior Mobile Security ... DC (Hybrid) Job Description: Working at Trenchant means working alongside the best security researchers and product engineers from across the security research… more
    L3Harris (01/06/26)
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