• Information System Security Professionals…

    Leidos (Annapolis Junction, MD)
    …Analytics Business Area (CABA).** Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, ... + Manage security aspects of information systems and perform daily security operations . + Evaluate security solutions to ensure they meet requirements… more
    Leidos (01/06/26)
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  • Principal Endpoint Security Systems…

    Leidos (Bethesda, MD)
    …Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical ... has a new and exciting opportunity a **Principal Endpoint Security Systems Engineer** in our **National Security ...more. **Join us and make a difference in National Security !** **Job Description** This effort is seeking an experienced… more
    Leidos (11/28/25)
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  • Technical Program Manager - Incident and Change…

    Oracle (Annapolis, MD)
    …+ Influence without authority across GPS, OCI, Data Center Engineering, Regional Security Operations , IT/ Network , vendors/integrators, and compliance teams. ... Cloud Infrastructure, Data Center Engineering, Legal/Privacy, Procurement, and Regional Security Operations . **Responsibilities** + Daily Responsibilities + Lead… more
    Oracle (01/10/26)
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  • System Administrator-Linux

    Leidos (Annapolis Junction, MD)
    …Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical ... + Experience with security standards, software architectures, and Network security technologies (Multiple Domain, PKI, SSP, Vulnerability Assessment,… more
    Leidos (01/06/26)
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  • Sr. ISSE TS/SCI Poly

    Leidos (Annapolis Junction, MD)
    …Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical ... access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk… more
    Leidos (01/09/26)
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  • Senior Python Developer (SWE-3)

    Leidos (Fort Meade, MD)
    …Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical ... Leave, and much more. **Join us and make a difference in National Security !** **Job Summary:** Our LOE program provides our customer's Operations organization… more
    Leidos (01/06/26)
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  • Senior Lead Network Information…

    Lumen (Annapolis, MD)
    …to management, operations , and executive leadership. + Recommend new network security policy, standards, best practices, and system configuration standards. ... requirements and recommendations for risk mitigation related to network security . + Consult as a ...Strong teamwork and communication skills to collaborate with development, operations , and security teams. Ability to instill… more
    Lumen (01/13/26)
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  • Network Security Administrator

    CACI International (Columbia, MD)
    …infrastructure and any processes related to the systems. - Provide support to network security boundaries including day-to-day operations , monitoring and ... Network Security Administrator Job Category: Information... Network Security Administrator Job Category: Information Technology Time Type:...None Type of Travel: None * * * The Network Security System Administrator will work within… more
    CACI International (12/25/25)
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  • Network Operations Manager

    Leidos (Bethesda, MD)
    …+ Provide on-site support to the health agency in MD. + Lead network operations team, provide technical guidance, assign tasks, and monitor team ... network inventory details). + Ensure customer visibility into network operations through dashboards and reporting. +... network monitoring tools. + Domain expertise with network security and compliance documentation. + Strong… more
    Leidos (12/30/25)
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  • Sr. Network Security Engineer

    CACI International (Columbia, MD)
    Sr. Network Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... Sr. Network Engineer will work within the Network Security Implementation and Sustainment (NSIS) Services...system engineering and dataflow efforts to ensure proper mission operations with minimum down time. + Facilitates implementation of… more
    CACI International (11/25/25)
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