• Endpoint Security Engineer Lead

    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 ... will work with internal team members to ensure that systems are functional, secure, and scalable. The Security...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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  • Lead Windows System Administrator

    Burlington (Edgewater Park, NJ)
    **Position Overview** We're seeking a talented Lead Windows System Administrator with deep expertise in Microsoft and VMware technologies, Azure cloud services, ... key part in infrastructure projects, and ensure the ongoing security , stability, and performance of our systems ....clusters, vSAN) + Administer enterprise storage platforms + Automate system tasks using PowerShell, Azure CLI, or Terraform +… more
    Burlington (12/03/25)
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  • Classified Collaboration Center Security

    RTX Corporation (Dulles, VA)
    …performance assessments, and preparing formal performance evaluations. + Experience with national security information system related security ... + Lead and support internal self-inspections, assess compliance levels, security control assessments, training, log management systems , automated inventory… more
    RTX Corporation (12/12/25)
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  • Lead , Optical Engineering (Aerospace…

    L3Harris (Wilmington, MA)
    …and cyber domains in the interest of national security . Job Title: Lead , Optical Engineering (Aerospace Systems ) Job Code: 32140 Job Location: Wilmington, MA ... our growing team, providing critical on-site support of architecture system design and studies to support new business pursuits...our aerospace programs. Our projects span imaging and illumination systems across the UV to LWIR regions of the… more
    L3Harris (12/18/25)
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  • Senior Systems Administrator…

    Mount Sinai Health System (New York, NY)
    …management, system monitoring, upgrade, usage monitoring and reporting, system performance, security , networking and metrics, etc. The infrastructure ... and monitoring hardware and software. Experience with data and security best practices. + At least 6 years of...System is one of the largest academic medical systems in the New York metro area, with more… more
    Mount Sinai Health System (12/22/25)
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  • Lead , Thermal Mechanical Engineer (Space…

    L3Harris (Wilmington, MA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Lead , Mechanical Engineering - Thermal Analyst Job Code: 29892 ... leader across multidisciplinary teams of engineers to create the best overall system design including thermal design, analysis, and test of optical systems more
    L3Harris (10/12/25)
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  • Lead , Systems Engineering - EA ISR…

    L3Harris (Waco, TX)
    …connecting the space, air, land, sea and cyber domains in the interest of national security . Job Title: Lead , Systems Engineer - EA ISR Programs Job ... Location: Waco, TX (On-Site) Job Schedule: 1st Shift 9/80 Job Description: The Lead Systems Engineer (LSE) will be responsible for supporting the development,… more
    L3Harris (11/08/25)
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  • System Administrator II (Big-IP F5)

    Sumaria Systems, Inc. (Montgomery, AL)
    …Lifecycle Systems Engineering, Advisory & Analysis/SETA, C5ISR and Enterprise Information Technology solutions. With expertise to lead , insight to deliver ... Location: Montgomery, AL START YOUR APPLICATION (https://apply.hrmdirect.com/resumedirect/ApplyOnline/Apply.aspx?req\_id=3602547&source=3602547-CJB-0) Job Title: System Administrator II (Big-IP F5) Job Description: Information more
    Sumaria Systems, Inc. (01/01/26)
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  • Cyber Security Engineer Technical…

    Lockheed Martin (Littleton, CO)
    …the world? This new and emerging need is for a Security Operations Information System Security Manager \(ISSM\) on the SDA Transport Layer T1contract\. ... Checker \(SCC\), DISA STIGs 4\. Experience with Secure Configuration/Hardening of DoD Information Systems 5\. Experience with Intel Driven Threat Modeling,… more
    Lockheed Martin (10/04/25)
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  • Lead , Systems Engineer (Network)

    L3Harris (Greenville, TX)
    …connecting the space, air, land, sea and cyber domains in the interest of national security . Job Title: Lead , Systems Engineer Job Code: 30172 Job Location: ... Shift 9/80 Job Description: We are seeking a highly skilled and experienced Systems Engineer specializing in system networking. The ideal candidate will possess… more
    L3Harris (10/24/25)
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