• Zscaler (Washington, DC)
    …looking for a Staff Information Security Engineer who will operate as a vulnerability management engineer inside the US Federal IL6 (SCIF) environment. ... Top Secret (TS) clearance (must be maintained) + 5+ years in Vulnerability Management , or Security Engineering within restricted/SCIF environments, including… more
    DirectEmployers Association (11/22/25)
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  • Applied Research Solutions (Washington, DC)
    **Description** ARS is looking for a Senior Platform Engineer . As a Platform Engineer , you will play a crucial role in automating and optimizing our DevOps ... our awards and recognition program, and personalized attention from ARS Senior Managers.?? **Responsibilities:** + Infrastructure Management + Deploy Azure… more
    DirectEmployers Association (12/10/25)
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  • Zscaler (Mclean, VA)
    …to the Senior Manager of Information Security Engineering to operate as a vulnerability management engineer inside the US Federal IL6 (SCIF) environment. ... years of experience with one or more of the following: + Vulnerability Management + Experience with Tenable.sc/Nessus Manager or equivalents + Experience with… more
    DirectEmployers Association (01/06/26)
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  • Infinity Systems Engineering (Alexandria, VA)
    …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 ... responsibilities, including network infrastructure management (switch deployment & configuration) and system administration in a classified environment. The ideal… more
    DirectEmployers Association (11/25/25)
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  • AeroVironment (Arlington, VA)
    …the Linux System Administrator is to support the full life-cycle management of 24x7 mission-focused infrastructure hosting tailored mission applications and ... 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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  • AeroVironment (Jessup, MD)
    **Worker Type** Regular **Job Description** **Summary** The Senior Information Systems Security Officer will provide aid to the program, organization, system, or ... with Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF). + Assists with the management of security… more
    DirectEmployers Association (12/18/25)
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  • Senior Vulnerability

    Cisco (Washington, DC)
    …improve-by turning data into action and vulnerabilities into opportunities for growth As a Senior Vulnerability Management Engineer , your work will go ... passionate about making a real difference in cybersecurity? At Cisco, our Vulnerability Management team (part of Splunk Global Security) is at the forefront of… more
    Cisco (12/30/25)
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  • Senior Computer Network Defense (CND)…

    V2X (Springfield, VA)
    …challenges with integrity, respect, responsibility, and professionalism. We are hiring for a Senior Computer Network Defense (CND) Engineer with an active TS/SCI ... location. Our positions are required to be onsite. The Senior Computer Network Defense (CND) Engineer tests,...is not limited to, Splunk, Security Information and Event Management (SIEM) products, vulnerability scanning tools as… more
    V2X (12/12/25)
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  • Information Systems Security Engineer

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …policies, regulations, and standards, such as NIST, RMF, and ICD 503. * Vulnerability Management : Conducting vulnerability scans, analyzing results, and ... **Information Systems Security Engineer (ISSE) - Senior ** **Category:** Cyber...\#CGIintelligencecareers \#MARSCareers **Skills:** + English + Security Architecture + Vulnerability Management (IAVM) **What you can expect from… more
    CGI Technologies and Solutions, Inc. (12/26/25)
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  • Senior SOAR Engineer

    Chenega Corporation (Oakton, VA)
    **Req ID:** 38668 **Summary** ** Senior SOAR Engineer ** **Oakton, VA** Are you ready to enhance your skills and build your career in a rapidly evolving business ... national security and economic interests of our nation. SecuriGence is seeking a talented Senior Solutions Engineer to help contribute to our success. Come help… more
    Chenega Corporation (12/23/25)
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  • Senior Cloud Engineer

    Leidos (Arlington, VA)
    **Description** The Leidos Digital Modernization Sector is seeking a highly capable Senior Cloud Engineer to spearhead cloud initiatives for the DHS CISA in ... + Tackles large security projects, both of a technical and compliance nature. The senior cloud engineer is expected to tackle difficult technical issues and… more
    Leidos (01/06/26)
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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 ... + Tackles large security projects, both of a technical and compliance nature. The senior cloud engineer is expected to tackle difficult technical issues and… more
    Tetrad Digital Integrity LLC (12/31/25)
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  • Senior Security Engineer

    SAIC (Washington, DC)
    …junior engineers and team members on best practices for security and vulnerability management in cloud environments. + Document security controls, ... **Description** We are seeking a skilled Security Engineer with extensive experience in vulnerability remediation at the operating system (OS) level to join our… more
    SAIC (12/19/25)
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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 ... the vulnerabilities. The ability to explain the exploit to senior level management is key to success...adversary emulation and the validation of detective, defensive, and vulnerability controls + Plan and oversee external red team… more
    CoStar Realty Information, Inc. (11/24/25)
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  • Senior Sales Engineer - SLED, Mid…

    Proofpoint (Washington, DC)
    …partners that play a critical role in our sales process every single day. As a Senior Sales Engineer working with accounts in the SLED space, you will be one ... an exciting time to be at Proofpoint! + The Senior Sales Engineer is the Technical Lead...provide valuable customer insight and real-world experiences to Product Management , Marketing and Product Development (Engineering) teams to help… more
    Proofpoint (12/25/25)
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  • Senior Endpoint Engineer

    CACI International (Arlington, VA)
    …- ITIL v3 or v4 certification - MCSE Certified - STIG Policy experience - Vulnerability Management experience - Cloud Management experience - AVD ... Senior Endpoint Engineer Job Category: Information...experience. In this role, you will work across endpoint management and server operations teams driving automation through scripting… more
    CACI International (12/20/25)
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  • Senior Solutions Engineer

    Chenega Corporation (Arlington, VA)
    **Req ID:** 38550 **Summary** ** Senior Solutions Engineer ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly evolving ... security and economic interests of our nation. SecuriGence is seeking a talented ** Senior Solutions Engineer ** to help contribute to our success. Come help… more
    Chenega Corporation (12/20/25)
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  • FLEX Senior DDI Network Engineer

    Marriott (Bethesda, MD)
    …per hour **Expiration Date:** 01/06/2026 This is a temporary position. **Job Description** The Senior Network Engineer for DDI team, will be part of Network ... Reliability Engineering (NRE) team. Seeking a highly skilled DDI Engineer with strong operational and engineering expertise in Infoblox or equivalent technologies.… more
    Marriott (10/24/25)
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  • Senior Systems Engineer

    CACI International (Annapolis Junction, MD)
    Senior Systems Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... of Travel Required: None Type of Travel: None * * * **The Opportunity:** Senior Systems Engineer with strong design experience related to network engineering,… more
    CACI International (10/21/25)
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  • Senior Information Systems Cyber…

    The MITRE Corporation (Mclean, VA)
    …and make a difference with us. Department Summary: The Cybersecurity Risk Management Department (R311) within the Global Security Services Division (R300) is looking ... to fill a Senior Information Systems Security Officer position, with a focus on classified environments. The selected candidate will support multiple sponsors by… more
    The MITRE Corporation (12/18/25)
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