• Endpoint Security Engineer

    Leidos (Arlington, VA)
    **Description** Leidos has an immediate need for a lead Endpoint Security Engineer for a customer on a highly visible and strategic Cybersecurity Task Order. ... The Security Engineer will need to be a self-starter with excellent...ensure full coverage across all endpoints. + Incident Response: Lead and participate in the investigation and response to… more
    Leidos (11/25/25)
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  • Senior CrowdStrike Falcon Endpoint Security…

    AIG (Reston, VA)
    …way we help customers to manage risk. Join us as a Senior CrowdStrike Falcon Endpoint Security Engineer to play your part in that transformation. It's an ... you will create an impact The Senior CrowdStrike Falcon Endpoint Security Engineer will be part of...IT teams across different organizations in the company to lead security tool integrations, perform ongoing tuning of these… more
    AIG (10/24/25)
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  • Endpoint Security Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    Endpoint Security Engineer Key Role: Design, deploy, manage, and operationalize enterprise endpoint data protection controls as a Trellix Endpoint Data ... program with visibility across security leadership, risk, and operational teams. Lead enterprise deployment, configuration, tuning, and maintenance of Trellix … more
    BOOZ, ALLEN & HAMILTON, INC. (12/30/25)
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  • Trellix Endpoint DLP Engineer

    ENS Solutions (Reston, VA)
    …and operationalize enterprise endpoint data protection controls as a Trellix Endpoint Data Loss Prevention (DLP) Engineer . Serve as the technical owner ... program with visibility across security leadership, risk, and operational teams. Lead enterprise deployment, configuration, tuning, and maintenance of Trellix … more
    ENS Solutions (12/13/25)
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  • Lead Data Loss Prevention (DLP) Security…

    CoStar Realty Information, Inc. (Arlington, VA)
    Lead Data Loss Prevention (DLP) Security Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and ... we need more dedicated engineers. We are hiring a ** Lead DLP Engineer ** to design, scale, and...Exchange Online, SharePoint Online, OneDrive, Teams, Power BI, and Endpoint DLP on managed devices. + Design and implement… more
    CoStar Realty Information, Inc. (11/04/25)
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  • Senior Systems Engineer (Hybrid)

    CareFirst (Reston, VA)
    …+ Collaborate with IT and security teams to implement best practices for endpoint management. + Copilot Engineering + Engineer and configure Microsoft Copilot ... working parameters for hardware/software compatibility. We are looking for a Systems Engineer to manage and support enterprise endpoints and drive the integration of… more
    CareFirst (01/09/26)
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  • VOIP Engineer Lead

    CACI International (Chantilly, VA)
    VOIP Engineer Lead Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of ... Opportunity:** CACI is looking for a Cisco Call Manager Engineer Lead to support our DoD customer...and operate an enterprise ITSM solution, enterprise service desk, endpoint management and security solution, as well as CONUS/OCONUS… more
    CACI International (01/07/26)
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  • Lead Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Lead Security Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate ... security section grows, so will the tools and the ** Lead Security Engineer ** will be the person...remediate discovered deficiencies, and develop and improve network and endpoint security configuration procedures + Participate in 24x7 on-call… more
    CoStar Realty Information, Inc. (10/24/25)
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  • Cyber AI and Automation Lead

    Tyto Athene (Reston, VA)
    …Submit a Referral (https://careers-gotyto.icims.com/jobs/1564/cyber-ai-and-automation- lead - engineer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834326889) ... **Description** Tyto Athene is searching for a **Cyber Engineering Lead ** to lead our internal cyber AI and automation product development program. This role is… more
    Tyto Athene (11/05/25)
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  • Lead PP&C Engineer

    Robert Half Technology (Reston, VA)
    Description We are looking for a Lead PP& C Engineer to oversee the design, configuration, and management of advanced Microsoft 365 environments in Reston, ... configure scalable Microsoft 365 environments to enhance organizational efficiency. * Lead the integration of AI-driven tools, including Copilot, to modernize… more
    Robert Half Technology (01/07/26)
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  • Federal Security Platforms Lead (Principal…

    Zscaler (Mclean, VA)
    …the future of cybersecurity. We are looking for a Federal Security Platforms Lead (Principal Information Security Engineer ) to join our Enterprise Security team. ... QA, version control, and false-positive reduction + Define telemetry requirements and lead onboarding for cloud, endpoint , identity, and network sources to… more
    Zscaler (01/11/26)
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  • Network Cybersecurity Engineer (Palo/Cisco)

    General Dynamics Information Technology (Falls Church, VA)
    …**Experience:** 5 + years of related experience **Job Description:** **CYBERSECURITY ENGINEER SENIOR / ANALYST** Advance your career while impacting our national ... security in cyber as a Cybersecurity Engineer Senior at GDIT. Here, technologists have many paths to grow a meaningful career supporting cyber missions and… more
    General Dynamics Information Technology (01/07/26)
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  • Senior IT DevOps Engineer

    Steampunk (Mclean, VA)
    **Overview** At **Steampunk** , we don't just solve IT problems-we engineer bold, future-ready solutions that empower our people and our clients to thrive. We're ... looking for a **Senior IT DevOps Engineer ** who's not only a Microsoft technology expert but also a trusted mentor, customer champion, and innovation catalyst. This… more
    Steampunk (12/02/25)
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  • Network Access Control Engineer Senior

    General Dynamics Information Technology (Alexandria, VA)
    …while impacting our national security in cyber as a **Network Access Control Engineer Senior** at GDIT. Here, technologists have many paths to grow a meaningful ... We are seeking a highly skilled and experienced **Network Access Control Engineer Senior** with specialized knowledge in Cisco Identity Services Engine (ISE), Cisco… more
    General Dynamics Information Technology (01/13/26)
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  • Chief Engineer - Enterprise IT

    CACI International (Chantilly, VA)
    Chief Engineer - Enterprise IT Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage ... * **The Opportunity:** CACI is looking for a Chief Engineer to provide technical leadership and subject matter expertise...work with the program Technical Director, Chief Architect, and Lead Engineering Program Manager, to lead the… more
    CACI International (01/02/26)
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  • Senior Sales Engineer - SLED, Mid Market…

    Proofpoint (Reston, VA)
    …part of. It's an exciting time to be at Proofpoint! + The Senior Sales Engineer is the Technical Lead for the Proofpoint Pre-Sales process, including: + ... 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 of the most important… more
    Proofpoint (12/25/25)
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  • Cyber Security Engineer IV

    SOS International LLC (Reston, VA)
    …security missions worldwide. **Job Description** SOSi is seeking an experienced Cybersecurity Engineer to join our team at SOS International in Reston, VA. This ... Microsoft 365/Azure, and multi-cloud environments (AWS, GCP, OCI). You will engineer , implement, and continuously improve controls that protect CUI/FCI and other… more
    SOS International LLC (12/31/25)
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  • Network Engineer (SME)

    BAE Systems (Herndon, VA)
    …to succeed. We are all about trust, camaraderie and a shared ambition to lead the world in defense technologies and national security services. We offer flexible ... are seeking a Subject Matter Expert (SME) Level Network Engineer with a minimum of 16 years' of experience...skills, and a proactive approach to maintaining and optimizing endpoint validation. Responsibilities: + Subject Matter Expert (SME) Level… more
    BAE Systems (11/07/25)
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  • Senior Splunk Engineer

    Chenega Corporation (Oakton, VA)
    **Req ID:** 38603 **Summary** **Senior Splunk Engineer ** **Oakton, VA** Are you ready to enhance your skills and build your career in a rapidly evolving business ... and take your career to the next level! The **Senior Splunk Engineer ** is responsible for developing, maintaining, and optimizing the enterprise SIEM infrastructure… more
    Chenega Corporation (12/12/25)
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  • Senior Software Engineer

    Chenega Corporation (Arlington, VA)
    **Req ID:** 38797 **Summary** **Senior Software Engineer ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly evolving ... level! We are seeking a highly skilled and experienced **Senior Software Engineer ** to contribute to the design and development of scalable classified/unclassified… more
    Chenega Corporation (01/06/26)
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