• Principal Endpoint Security Systems…

    Leidos (Bethesda, MD)
    …has a new and exciting opportunity a **Principal Endpoint Security Systems Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (08/29/25)
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  • Transport Engineer

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …secure voice, data, and digital messaging transmission across DODIN's sophisticated network infrastructure. The Transport Engineer will collaborate with various ... with DoD regulations, standards, and policies. Maintain a strong focus on network security and integrity. Qualifications/Experience: + Active TS /SCI clearance +… more
    Competitive Range Solutions, LLC (11/06/25)
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  • Splunk Security Engineer

    Leidos (Suitland, MD)
    …turn your skills into real-world impact? Join **Leidos** as a **Splunk Security Engineer ** in Suitland, MD and be at the forefront of mission-critical cybersecurity. ... **Splunk SOAR** and standard DoD products such as Trellix ePO, Tanium, Cisco (FirePower, ISE, Email Gateways, AMP, switch/routers), Palo Alto Firewalls, Microsoft… more
    Leidos (11/11/25)
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  • Systems Engineer 4

    M. C. Dean (Annapolis Junction, MD)
    …in electrical, engineering, and cybersecurity industries. We are seeking a **System Engineer 4** to join our **Security and Electronic Systems (SES)** business Unit. ... including US Citizenship, for access to classified information; **active** **DoD TS /SCI w/ polygraph clearance is required** **Position / Candidate Requirements** +… more
    M. C. Dean (08/30/25)
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  • Linux Systems Administrator

    CACI International (Fort Meade, MD)
    …or NiFi. * Experience with integrated processing environments such as a Storage Area Network . * Configure Cisco / Palo Alto Switches Firewalls * Knowledgeable ... Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to… more
    CACI International (10/29/25)
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  • Software, CNO, Systems Administration…

    Belay Technologies (Annapolis Junction, MD)
    …Networking protocols (TCP/IP, DNS, DHCP), Cisco , routing and switching, network security. Experience Level: Mid-Senior level Software Engineer (Levels 0 ... frameworks (NIST, ISO 27001), risk management, compliance auditing. Experience Level: Mid-Senior level Network Engineer Overview: The Network Engineer more
    Belay Technologies (11/13/25)
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