• Senior Security Engineer (AI…

    Justworks (New York, NY)
    Senior Security Engineer (AI Security...Your Success Profile What You Will Work On + Research AI treads, AI threat landscape, AI vulnerabilities and ... right in. Who You Are Justworks is looking for an experienced, hands-on Senior Security Engineer specializing in AI who will drive and execute the company's AI… more
    Justworks (10/25/25)
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  • Senior Security Researcher

    Microsoft Corporation (Redmond, WA)
    …companies in the world. The Microsoft Threat Intelligence Center (MSTIC) is seeking a Senior Security Researcher looking to hone their skills. MSTIC provides ... their workflow and analytic problems and turning those into large-scale analytics. Security Research IC4 - The typical base pay range for this role across… more
    Microsoft Corporation (12/24/25)
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  • Senior Security Assistant

    Applied Research Solutions (Dayton, OH)
    **Description** Applied Research Systems has an exciting new role for a Senior Security Assistant to provide support to the Command, Control, Communications, ... accordance with DoD and Air Force regulations for those filling the role of security assistant. All positions at Applied Research Solutions are subject to… more
    Applied Research Solutions (12/17/25)
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  • Senior Security Systems Engineer…

    Imagine One Technology & Management (Dahlgren, VA)
    …role.** Imagine One Technology & Management, Ltd. is seeking four (4) ** Senior Security Systems Engineers** with specific experience working with ... award of the associated work and will be performed in Dahlgren, Virginia. The ** Senior Security Systems Engineers** will be expected to: + Author DoD Assessment… more
    Imagine One Technology & Management (12/30/25)
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  • Senior Security Researchers

    Microsoft Corporation (Redmond, WA)
    …where everyone can thrive at work and beyond._ **Responsibilities** As a Senior Security Researcher , you will: + Research emerging attack vectors and ... AI/LLM frameworks. + Experience in vulnerability analysis and exploit development. **\#MSFTSecurity** Security Research IC3 - The typical base pay range for… more
    Microsoft Corporation (11/26/25)
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  • Senior Security Engineer - Edge…

    Microsoft Corporation (Redmond, WA)
    …improvements to the Chromium project to make the web safer for everyone. As a ** Senior Security Engineer in Edge Browser,** you will be expected to have ... anomaly detection + OR equivalent experience. + Experience with relevant security research along with relevant CVEs (if available) ideally in browser… more
    Microsoft Corporation (12/19/25)
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  • Senior Security Systems Engineer…

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

    Robert Half Technology (Spanish Fork, UT)
    Description We are looking for a highly skilled Senior Security Engineer to join our team. In this role, you will play a pivotal part in ensuring the security ... This position requires a hands-on approach to developing and implementing security solutions, mentoring team members, and responding proactively to emerging threats.… more
    Robert Half Technology (01/03/26)
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  • Senior Security Administrator

    Nightwing (Annapolis Junction, MD)
    …the intelligence community, defense, civil, and commercial markets. Nightwing is seeking a ** Senior Security Administrator** who will play a critical role in ... include cyber space operations, cyber defense and resiliency, vulnerability research , ubiquitous technical surveillance, data intelligence, lifecycle mission enablement,… more
    Nightwing (12/29/25)
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  • Senior Cyber Security Specialist,…

    Southern California Edison (Rosemead, CA)
    Join the Clean Energy Revolution Become a Senior Cyber Security Specialist, Threat Hunt at Southern California Edison (SCE) and build a better tomorrow. In this ... secure from emerging threats and cyber actors. As a Senior Cyber Security Specialist, Threat Hunt, your...will be primarily responsible for not only conducting continuous research on emerging threats and threat actor activity but… more
    Southern California Edison (01/02/26)
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  • Senior Information Security Systems…

    Leidos (MD)
    **Description** **Program Summary** As a Senior Information Security Systems Engineer (ISSE) you will join a small team of security engineers providing ... security gaps, and provide recommended mitigation strategy. + Research and evaluate candidate emerging technologies to determine cybersecurity effectiveness. +… more
    Leidos (11/26/25)
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  • Senior Network Security Engineer

    CACI International (Columbia, MD)
    Senior Network Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... * * **Exciting Opportunity: Join Our Team as a Senior Network Security Engineer!** Are you passionate...improvements. + Evaluate current systems and annotate vulnerabilities. + Research and analyze various products for feasibility. + Provide… more
    CACI International (12/12/25)
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  • IT Senior Architect, Security

    Eversource Energy (Westwood, MA)
    …business needs\) or should the policy change\. Role and Scope of Position: The Senior IT Security Architect for Operational Technology \( Senior ITSA\-OT\) ... application and infrastructure needs, and translates these needs into security requirements\. + Runs and manages research ...and technical experience with at least 2 years in senior level roles related to broad or multiple areas… more
    Eversource Energy (12/04/25)
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  • Senior Offensive Security Engineer…

    FocusKPI Inc. (Mountain View, CA)
    security (AWS, GCP, Azure) and containerized environments. + Background in security research , published CVEs, CTF experience, blog posts, or conference ... FocusKPI is seeking a Senior Offensive Security Engineer (Web &...AI/ML or LLM-based systems, or strong motivation with demonstrated research in this area. + Proficiency in at least… more
    FocusKPI Inc. (01/10/26)
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  • Senior Offensive Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Offensive Security Engineer Job Description **Offensive Security Engineer** **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of ... 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 Electronic Security Engineer…

    M. C. Dean (Atlanta, GA)
    …leaders in electrical, engineering, and cybersecurity industries. We are seeking a ** Senior Electronic Security ** **Engineer** to join our ** Security ... With over 7,000 employees, our capabilities span electrical, electronic security , telecommunications, life safety, automation and controls, audiovisual, and IT… more
    M. C. Dean (12/24/25)
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  • Senior AI Security Engineer

    Mastercard (O'Fallon, MO)
    …help people, businesses and governments realize their greatest potential._ **Title and Summary** Senior AI Security Engineer As an Information Security ... and Innovation: Stay abreast of advancements in AI security and data science, conduct research , and contribute to innovative security solutions. -… more
    Mastercard (01/09/26)
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  • Senior Defensive Security Engineer…

    Silvus Technologies (Los Angeles, CA)
    …US Department of Defense. THE OPPORTUNITY Silvus is seeking a **_Senior Defensive Security Engineer - Embedded Systems_** who will report to the Director of Software ... systems from potential threats by designing and implementing robust security measures, conducting security assessments, and ensuring...is NOT a guarantee. It is based on market research and peer data, and will vary depending on… more
    Silvus Technologies (01/05/26)
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  • Senior Network Security Engineer

    CACI International (Columbia, MD)
    Senior Network Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... Local * * * **Exciting Opportunity for Network Engineers: Join Our Elite Network Security Team!** Are you a seasoned Network Engineer looking to take your career to… more
    CACI International (12/06/25)
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  • Senior Network Security Engineer II

    Imagine One Technology & Management (Virginia Beach, VA)
    …Warfare Center Dahlgren Division (NSWCDD). We are looking for Senior Network Security Engineers to provide research and engineering services for Navy Surface ... Users are required to have and maintain a final adjudicated Tier 5 security investigation with an IT level-1 designation in Joint Personnel Adjudication System… more
    Imagine One Technology & Management (12/01/25)
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